* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ui-bg-deep: rgba(15, 16, 19, 0.8);
    --ui-bg-panel: rgba(27, 25, 22, 0.46);
    --ui-bg-panel-strong: rgba(30, 27, 24, 0.7);
    --ui-line-soft: rgba(255, 246, 231, 0.08);
    --ui-line-mid: rgba(236, 217, 189, 0.18);
    --ui-text-main: rgba(255, 248, 238, 0.94);
    --ui-text-soft: rgba(235, 224, 209, 0.72);
    --ui-text-dim: rgba(197, 186, 171, 0.54);
    --ui-accent-gold: #ddb986;
    --ui-accent-gold-strong: #f2d3a4;
    --ui-accent-cool: #a8c5ea;
    --ui-accent-amber: #f4c98a;
    --ui-accent-ice: #d9ecff;
    --ui-shadow: 0 22px 60px rgba(3, 4, 7, 0.34);
    --ui-shadow-soft: 0 14px 32px rgba(5, 6, 10, 0.24);
    --ui-shadow-panel: 0 28px 76px rgba(6, 8, 12, 0.34);
    --ui-inset-glow: inset 0 1px 0 rgba(255, 251, 244, 0.12);
    --ui-safe-top: clamp(16px, 1.05vw, 24px);
    --ui-safe-side: clamp(16px, 1.05vw, 24px);
    --ui-panel-gap: clamp(14px, 0.85vw, 22px);
    --ui-panel-radius: clamp(18px, 1.15vw, 24px);
    --ui-panel-padding: clamp(18px, 1.25vw, 28px);
    --ui-section-padding: clamp(14px, 0.95vw, 18px);
    --ui-sidebar-width: clamp(272px, 15.8vw, 340px);
    --ui-right-panel-width: clamp(300px, 17.4vw, 360px);
    --ui-preview-width: clamp(176px, 12.4vw, 256px);
    --ui-preview-height: clamp(132px, 9.25vw, 192px);
    --session-userbar-height: 0px;
    --session-userbar-width: 0px;
    --session-userbar-clear-bottom: 0px;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 18%, rgba(221, 185, 134, 0.05), transparent 28%),
        radial-gradient(circle at 82% 26%, rgba(112, 156, 220, 0.06), transparent 26%),
        radial-gradient(circle at 50% 100%, rgba(24, 42, 66, 0.36), transparent 36%),
        linear-gradient(180deg, #05070c 0%, #010205 100%);
    color: var(--ui-text-main);
    letter-spacing: 0.012em;
    text-rendering: optimizeLegibility;
}

#app {
    width: 100vw;
    height: 100vh;
    position: relative;
    isolation: isolate;
}

#app::before,
#app::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

#app::before {
    background:
        linear-gradient(118deg, transparent 18%, rgba(255, 187, 112, 0.045) 36%, transparent 56%),
        linear-gradient(300deg, transparent 16%, rgba(126, 171, 238, 0.035) 32%, transparent 52%);
    filter: blur(68px);
    opacity: 0.5;
    transform: scale(1.08);
}

#app::after {
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 190, 120, 0.04), transparent 24%),
        radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.04), transparent 34%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.18));
    filter: blur(16px);
    opacity: 0.36;
}

#webgl-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    touch-action: none;
}

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(118deg, transparent 10%, rgba(213, 171, 80, 0.12) 34%, transparent 56%),
        linear-gradient(300deg, transparent 18%, rgba(213, 171, 80, 0.08) 34%, transparent 52%),
        radial-gradient(circle at 24% 28%, rgba(255, 219, 171, 0.12), transparent 24%),
        linear-gradient(145deg, #11100d 0%, #070707 44%, #14120f 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-content {
    text-align: center;
    padding: 48px 54px;
    border-radius: 28px;
    background:
        linear-gradient(180deg, rgba(29, 28, 31, 0.8), rgba(17, 18, 24, 0.6)),
        radial-gradient(circle at top, rgba(255, 229, 191, 0.1), transparent 34%);
    border: 1px solid rgba(255, 237, 214, 0.1);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.loading-content::after {
    content: 'IMMERSIVE SHOWCASE';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 247, 232, 0.08);
    border: 1px solid rgba(255, 236, 211, 0.14);
    color: var(--ui-accent-ice);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.22em;
}

.loading-content h1 {
    font-family: 'Georgia', 'Times New Roman', 'Songti SC', serif;
    font-size: 3.2rem;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #fff6ea 0%, #e5be8a 46%, #a7c5eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    animation: glow 3s ease-in-out infinite;
}

.loading-content p {
    color: var(--ui-text-soft);
    letter-spacing: 0.08em;
    line-height: 1.7;
}

.loading-bar {
    width: 320px;
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
    margin: 22px auto 18px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 0 1px rgba(255, 238, 217, 0.06);
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, #8fb5dc 0%, #f1d5a8 52%, #fff2de 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 999px;
    box-shadow: 0 0 24px rgba(241, 213, 168, 0.45);
}

.loading-text {
    font-size: 1.2rem;
    color: var(--ui-accent-gold-strong);
    font-weight: 600;
}

@keyframes glow {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
}

.glass-panel {
    background:
        linear-gradient(180deg, rgba(255, 251, 245, 0.08), rgba(255, 255, 255, 0.018)),
        var(--ui-bg-panel);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--ui-line-mid);
    border-radius: var(--ui-panel-radius);
    box-shadow: var(--ui-shadow-panel), var(--ui-inset-glow);
}

.panel-collapsible {
    transition:
        width 0.26s ease,
        height 0.26s ease,
        max-height 0.26s ease,
        min-height 0.26s ease,
        padding 0.26s ease,
        opacity 0.26s ease,
        transform 0.26s ease;
}

.panel-toggle-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 20;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(255, 239, 219, 0.16);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 252, 246, 0.12), rgba(255, 255, 255, 0.04)),
        rgba(13, 14, 18, 0.74);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.panel-toggle-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.34);
}

.panel-toggle-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    margin: -6px 0 0 -4px;
    border-right: 2px solid rgba(255, 248, 236, 0.92);
    border-bottom: 2px solid rgba(255, 248, 236, 0.92);
    transform: rotate(45deg);
    transition: transform 0.22s ease, margin 0.22s ease;
}

.panel-collapsible:not(.panel-collapsed) > .panel-toggle-btn::before {
    margin-top: -2px;
    transform: rotate(225deg);
}

#sidebar-left.panel-collapsed,
#panel-right.panel-collapsed {
    width: 54px !important;
    min-width: 54px;
    height: 54px;
    min-height: 54px;
    max-height: 54px;
    padding: 10px;
    overflow: hidden;
}

#floorplan-container.panel-collapsed {
    width: 54px !important;
    min-width: 54px;
    height: 54px !important;
    min-height: 54px;
}

#sidebar-left.panel-collapsed::before,
#panel-right.panel-collapsed::before,
#floorplan-container.panel-collapsed::before,
#floorplan-container.panel-collapsed::after {
    opacity: 0;
}

#sidebar-left.panel-collapsed::after {
    opacity: 0;
}

#sidebar-left.panel-collapsed > :not(.panel-toggle-btn),
#panel-right.panel-collapsed > :not(.panel-toggle-btn),
#floorplan-container.panel-collapsed > :not(.panel-toggle-btn) {
    opacity: 0;
    pointer-events: none;
}

#floorplan-container.panel-collapsed {
    overflow: hidden;
    cursor: default;
}

#floorplan-container.panel-collapsed:hover {
    transform: none;
    border-color: rgba(255, 238, 217, 0.18);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.36);
}

#sidebar-left {
    position: absolute;
    top: var(--ui-safe-top);
    left: var(--ui-safe-side);
    width: min(var(--ui-sidebar-width), calc(100vw - var(--ui-safe-side) * 2));
    height: auto;
    max-height: calc(100vh - var(--ui-safe-top) * 2);
    overflow-y: hidden;
    overflow-x: hidden;
    z-index: 100;
    padding: var(--ui-panel-padding);
    background:
        linear-gradient(180deg, rgba(255, 246, 229, 0.08), rgba(255, 255, 255, 0.015)),
        rgba(20, 19, 18, 0.58);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid rgba(255, 237, 214, 0.1);
    border-radius: var(--ui-panel-radius);
    box-shadow:
        0 22px 60px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 248, 236, 0.06);
}

#sidebar-left,
#panel-right,
#camera-view,
#floorplan-container,
.modal-content,
.loading-content {
    position: relative;
}

#sidebar-left,
#panel-right,
#camera-view,
#floorplan-container {
    contain: paint;
}

#sidebar-left::before,
#panel-right::before,
#camera-view::before,
#floorplan-container::before,
.modal-content::before,
.loading-content::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    pointer-events: none;
}

#sidebar-left::before,
#panel-right::before,
.loading-content::before {
    background:
        linear-gradient(180deg, rgba(255, 251, 244, 0.1), transparent 18%),
        radial-gradient(circle at top right, rgba(168, 197, 234, 0.14), transparent 38%);
    opacity: 0.8;
}

#sidebar-left::after {
    content: '';
    position: absolute;
    top: 18px;
    bottom: 18px;
    right: 10px;
    width: 1px;
    background: linear-gradient(180deg, rgba(255, 230, 198, 0.16), transparent 18%, transparent 82%, rgba(168, 197, 234, 0.18));
    pointer-events: none;
    opacity: 0.9;
}

#sidebar-left::-webkit-scrollbar {
    width: 4px;
}

#sidebar-left::-webkit-scrollbar-track {
    background: transparent;
}

#sidebar-left::-webkit-scrollbar-thumb {
    background: rgba(221, 185, 134, 0.3);
    border-radius: 2px;
}

.sidebar-section {
    position: relative;
    z-index: 0;
    margin-bottom: clamp(16px, 1vw, 24px);
    padding: var(--ui-section-padding);
    background:
        linear-gradient(180deg, rgba(255, 249, 240, 0.05), rgba(255, 255, 255, 0.01)),
        rgba(255, 255, 255, 0.018);
    border-radius: clamp(14px, 0.9vw, 18px);
    border: 1px solid rgba(255, 241, 224, 0.06);
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.03);
}

.sidebar-section.is-elevated {
    z-index: 40;
}

.sidebar-section:hover {
    background:
        linear-gradient(180deg, rgba(255, 247, 232, 0.08), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.028);
    border-color: rgba(255, 228, 197, 0.11);
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 250, 241, 0.05);
}

.sidebar-section h3 {
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--ui-text-main);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-section h3::before {
    content: '';
    width: 3px;
    height: 14px;
    background: linear-gradient(180deg, var(--ui-accent-gold-strong) 0%, var(--ui-accent-cool) 100%);
    border-radius: 2px;
}

.sidebar-section h3::after {
    content: '';
    width: 8px;
    height: 8px;
    margin-left: auto;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 201, 138, 0.72) 0%, rgba(244, 201, 138, 0) 72%);
    box-shadow: 0 0 10px rgba(244, 201, 138, 0.2);
}

.app-brand-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
}

.app-brand-section::before,
.app-brand-section::after {
    display: none;
}

.app-brand-logo {
    width: clamp(54px, 4.8vw, 78px);
    height: clamp(54px, 4.8vw, 78px);
    object-fit: contain;
    border-radius: 18px;
    filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.34));
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-top: 10px;
}

.nav-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 100%;
    padding: 8px 10px;
    border: 1px solid rgba(242, 211, 164, 0.18);
    border-radius: 10px;
    background:
        linear-gradient(135deg, rgba(255, 244, 229, 0.08), rgba(171, 198, 232, 0.04)),
        rgba(255, 255, 255, 0.03);
    color: #fff9ef;
    font-size: 0.76rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: all 0.25s ease;
    cursor: pointer;
}

.nav-link-btn:hover {
    background:
        linear-gradient(135deg, rgba(255, 245, 229, 0.16), rgba(168, 197, 234, 0.1)),
        rgba(255, 255, 255, 0.05);
    border-color: rgba(242, 211, 164, 0.32);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.nav-link-btn:active {
    transform: translateY(0);
}
}

.loading-brand-logo {
    width: 86px;
    height: 86px;
    margin: 0 auto 16px;
    display: block;
}

.lighting-section {
    display: grid;
    gap: 10px;
}

.brightness-control {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
}

.brightness-level-btn {
    min-height: 34px;
    border: 1px solid rgba(255, 239, 219, 0.11);
    border-radius: 12px;
    background:
        linear-gradient(180deg, rgba(255, 250, 243, 0.08), rgba(255, 255, 255, 0.018)),
        rgba(255, 255, 255, 0.028);
    color: var(--ui-text-soft);
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
}

.brightness-level-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.26);
    color: var(--ui-text-main);
}

.brightness-level-btn.is-active {
    color: #15120e;
    border-color: rgba(255, 236, 211, 0.42);
    background: linear-gradient(135deg, rgba(244, 211, 165, 0.96), rgba(255, 242, 220, 0.98));
    box-shadow: 0 10px 22px rgba(244, 201, 138, 0.18);
}

.brightness-status {
    color: var(--ui-text-dim);
    font-size: 0.72rem;
    line-height: 1.45;
}

.upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: rgba(221, 185, 134, 0.42);
    background: rgba(255, 242, 223, 0.08);
    transform: scale(1.02);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.upload-area p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* 模型选择器样式 - 精致版 */
.model-selector {
    margin-bottom: 0;
    position: relative;
    z-index: 30;
}

.style-switcher {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.style-switcher-empty {
    width: 100%;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 239, 219, 0.08);
    color: var(--ui-text-dim);
    font-size: 0.74rem;
}

.style-switcher-tag {
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 239, 219, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--ui-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.style-switcher-tag:hover {
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.22);
    color: var(--ui-text-main);
}

.style-switcher-tag.is-active {
    color: #141920;
    border-color: transparent;
    background: linear-gradient(135deg, rgba(244, 211, 165, 0.96), rgba(255, 242, 220, 0.98));
    box-shadow: 0 10px 24px rgba(244, 201, 138, 0.22);
}

.model-select {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
}

.model-select::-ms-expand {
    display: none;
}

.model-select-trigger {
    position: relative;
    width: 100%;
    min-height: 54px;
    padding: 16px 50px 16px 16px;
    background:
        linear-gradient(180deg, rgba(255, 250, 243, 0.08), rgba(255, 255, 255, 0.018)),
        rgba(255, 255, 255, 0.028);
    border: 1px solid rgba(255, 240, 218, 0.1);
    border-radius: 14px;
    color: var(--ui-text-main);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, transform 0.25s ease;
    box-shadow: inset 0 1px 0 rgba(255, 252, 247, 0.08);
}

.model-select-trigger:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(221, 185, 134, 0.22);
    box-shadow: 0 10px 22px rgba(12, 10, 8, 0.16);
}

.model-select-trigger:focus-visible,
.model-selector.is-open .model-select-trigger {
    outline: none;
    border-color: rgba(242, 211, 164, 0.34);
    background-color: rgba(255, 252, 246, 0.06);
    box-shadow: 0 14px 28px rgba(16, 12, 8, 0.18);
}

.model-select-trigger::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 18px;
    width: 9px;
    height: 9px;
    border-right: 2px solid rgba(242, 211, 164, 0.86);
    border-bottom: 2px solid rgba(242, 211, 164, 0.86);
    transform: translateY(-62%) rotate(45deg);
    transition: transform 0.22s ease;
}

.model-selector.is-open .model-select-trigger::after {
    transform: translateY(-38%) rotate(-135deg);
}

.model-select-trigger-text {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-select-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    padding: 8px;
    background:
        linear-gradient(180deg, rgba(26, 26, 30, 0.98), rgba(16, 18, 24, 0.98));
    border: 1px solid rgba(255, 236, 211, 0.14);
    border-radius: 16px;
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.4);
    z-index: 220;
}

.model-selector.is-open .model-select-menu {
    display: block;
}

#sidebar-left.dropdown-open .gesture-guide {
    pointer-events: none;
}

.model-select-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: min(320px, 42vh);
    overflow-y: auto;
}

.model-select-option {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid transparent;
    border-radius: 12px;
    background:
        linear-gradient(180deg, rgba(255, 248, 238, 0.05), rgba(255, 255, 255, 0.015)),
        rgba(255, 255, 255, 0.02);
    color: var(--ui-text-main);
    text-align: left;
    font-size: 0.88rem;
    line-height: 1.35;
    cursor: pointer;
    transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.model-select-option:hover,
.model-select-option:focus-visible {
    outline: none;
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.22);
    background:
        linear-gradient(180deg, rgba(255, 248, 238, 0.09), rgba(255, 255, 255, 0.03)),
        rgba(255, 255, 255, 0.04);
}

.model-select-option.is-active {
    border-color: rgba(242, 211, 164, 0.32);
    background:
        linear-gradient(135deg, rgba(255, 245, 227, 0.14), rgba(168, 197, 234, 0.08)),
        rgba(255, 255, 255, 0.05);
    color: #fffaf1;
}

.model-select-empty {
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--ui-text-dim);
    font-size: 0.84rem;
    text-align: left;
    background: rgba(255, 255, 255, 0.02);
}

/* 管理后台链接 - 精致版 */
.admin-link {
    margin-top: 0;
    padding: 0;
    border-top: none;
    background: transparent;
    border: none;
}

.admin-link:hover {
    background: transparent;
    border-color: transparent;
}

.admin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 10px;
    padding: 14px 16px;
    background:
        linear-gradient(135deg, rgba(255, 244, 229, 0.1), rgba(171, 198, 232, 0.05)),
        rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(242, 211, 164, 0.18);
    border-radius: 14px;
    color: var(--ui-text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
    width: 100%;
    overflow: hidden;
}

.admin-btn:hover {
    background:
        linear-gradient(135deg, rgba(255, 245, 229, 0.18), rgba(168, 197, 234, 0.12)),
        rgba(255, 255, 255, 0.05);
    border-color: rgba(242, 211, 164, 0.32);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
}

.admin-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 250, 241, 0.16) 48%, transparent 100%);
    transform: translateX(-120%);
    transition: transform 0.55s ease;
}

.admin-btn:hover::before {
    transform: translateX(120%);
}

.admin-btn span {
    font-size: 1.1rem;
    line-height: 1;
}

.model-list {
    margin-top: 15px;
    max-height: 200px;
    overflow-y: auto;
}

.model-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.model-item:hover {
    background: rgba(255, 242, 223, 0.08);
    transform: translateX(5px);
}

.model-item.active {
    background: rgba(255, 242, 223, 0.12);
    border-left: 3px solid var(--ui-accent-gold);
}

.model-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.model-name {
    flex: 1;
    font-size: 0.85rem;
    color: #fff;
}

.gesture-guide {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    counter-reset: gesture-step;
}

.gesture-item {
    counter-increment: gesture-step;
    position: relative;
    background:
        linear-gradient(180deg, rgba(255, 252, 248, 0.06), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.035);
    padding: 12px 10px 11px;
    border-radius: 14px;
    text-align: center;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 239, 219, 0.06);
    box-shadow: inset 0 1px 0 rgba(255, 252, 247, 0.05);
    overflow: hidden;
}

.gesture-item::after {
    content: counter(gesture-step, decimal-leading-zero);
    position: absolute;
    top: 8px;
    right: 10px;
    color: rgba(255, 244, 228, 0.16);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.gesture-item:hover {
    background:
        linear-gradient(180deg, rgba(255, 250, 242, 0.12), rgba(255, 255, 255, 0.035)),
        rgba(255, 255, 255, 0.08);
    border-color: rgba(221, 185, 134, 0.16);
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.gesture-item.dual-hand {
    background: rgba(168, 197, 234, 0.06);
    border: 1px solid rgba(168, 197, 234, 0.14);
}

.gesture-item.dual-hand:hover {
    background: rgba(168, 197, 234, 0.1);
    border-color: rgba(168, 197, 234, 0.24);
}

.gesture-icon {
    font-size: 1.55rem;
    margin-bottom: 8px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.gesture-item p {
    font-size: 0.7rem;
    color: var(--ui-text-soft);
    line-height: 1.3;
}

.gesture-hint-text {
    grid-column: 1 / -1;
    text-align: center;
    padding: 10px;
    background: rgba(255, 244, 229, 0.05);
    border-radius: 12px;
    margin-top: 4px;
    border: 1px solid rgba(255, 237, 214, 0.08);
}

.gesture-hint-text small {
    color: var(--ui-text-dim);
    font-size: 0.7rem;
}

/* 视觉效果控制 */
.effect-controls {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
}

.effect-item {
    display: flex;
    align-items: center;
}

.effect-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.effect-label:hover {
    background: rgba(255, 255, 255, 0.1);
}

.effect-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--ui-accent-gold);
}

.effect-label span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

#panel-right {
    position: absolute;
    top: var(--ui-safe-top);
    right: var(--ui-safe-side);
    width: min(var(--ui-right-panel-width), calc(100vw - var(--ui-safe-side) * 2));
    max-height: calc(100vh - var(--ui-safe-top) * 2);
    overflow-y: hidden;
    z-index: 100;
    padding: var(--ui-panel-padding);
    background:
        linear-gradient(180deg, rgba(255, 243, 223, 0.1), rgba(255, 255, 255, 0.018)),
        rgba(20, 18, 17, 0.6);
    border-color: rgba(255, 230, 198, 0.14);
    overscroll-behavior: contain;
}

#panel-right::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background:
        radial-gradient(circle at top center, rgba(255, 226, 183, 0.14), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 16%);
    opacity: 0.9;
}

.panel-content::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 84px;
    height: 84px;
    background:
        linear-gradient(135deg, rgba(255, 232, 196, 0.18), transparent 62%),
        radial-gradient(circle at top right, rgba(168, 197, 234, 0.16), transparent 56%);
    filter: none;
    pointer-events: none;
    opacity: 0.5;
}

.panel-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 11px;
    margin-bottom: 16px;
    border-radius: 999px;
    border: 1px solid rgba(242, 211, 164, 0.2);
    background:
        linear-gradient(135deg, rgba(255, 247, 232, 0.14), rgba(168, 197, 234, 0.08)),
        rgba(255, 245, 229, 0.06);
    color: var(--ui-accent-gold-strong);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    box-shadow: inset 0 1px 0 rgba(255, 249, 240, 0.12);
}

.panel-content h2 {
    font-family: 'Georgia', 'Times New Roman', 'Songti SC', serif;
    font-size: 1.86rem;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #fff7ec 0%, #efcf9d 52%, #c7a26c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.045em;
}

.panel-content {
    position: relative;
    display: flex;
    flex-direction: column;
}

.panel-content h2::after {
    content: '';
    display: block;
    width: 78px;
    height: 1px;
    margin-top: 12px;
    background: linear-gradient(90deg, rgba(242, 211, 164, 0.82), rgba(242, 211, 164, 0.18));
}

.panel-lead {
    margin-bottom: 20px;
    padding: 0 0 16px;
    border-bottom: 1px solid rgba(255, 236, 211, 0.06);
    color: var(--ui-text-dim);
    font-size: 0.84rem;
    line-height: 1.8;
    letter-spacing: 0.04em;
}

.description {
    margin-bottom: 20px;
    line-height: 1.6;
    color: var(--ui-text-soft);
    font-size: 0.93rem;
    padding: 16px 18px 18px;
    border-radius: 20px;
    background:
        linear-gradient(180deg, rgba(255, 249, 239, 0.06), rgba(255, 255, 255, 0.015)),
        rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 238, 217, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 252, 247, 0.05);
}

.description::before {
    content: 'SCENE NOTE';
    display: inline-flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 247, 232, 0.06);
    border: 1px solid rgba(255, 236, 211, 0.08);
    color: var(--ui-accent-amber);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.2em;
}

.description p {
    max-width: 32ch;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.feature-item {
    background:
        linear-gradient(180deg, rgba(255, 252, 247, 0.06), rgba(255, 255, 255, 0.016)),
        rgba(255, 255, 255, 0.038);
    padding: 15px 15px 16px;
    border-radius: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 238, 217, 0.06);
    color: var(--ui-text-main);
    min-height: 88px;
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
    box-shadow: inset 0 1px 0 rgba(255, 252, 247, 0.05);
}

.feature-item:hover {
    transform: translateY(-3px);
    border-color: rgba(242, 211, 164, 0.22);
    background:
        linear-gradient(180deg, rgba(255, 250, 242, 0.12), rgba(255, 255, 255, 0.03)),
        rgba(255, 255, 255, 0.065);
    box-shadow: 0 18px 28px rgba(0, 0, 0, 0.16);
}

.feature-item:nth-child(1) .feature-icon {
    color: #ffe6bd;
}

.feature-item:nth-child(2) .feature-icon {
    color: #ffe0a8;
}

.feature-item:nth-child(3) .feature-icon {
    color: #d7ebff;
}

.feature-item:nth-child(4) .feature-icon {
    color: #f4d7ff;
}

.feature-icon {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    margin-top: 2px;
    border-radius: 12px;
    background:
        linear-gradient(135deg, rgba(255, 247, 233, 0.16), rgba(168, 197, 234, 0.14)),
        rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 235, 210, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 252, 247, 0.08);
}

.feature-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-copy strong {
    font-size: 0.84rem;
    font-weight: 600;
    color: #fff8ef;
}

.feature-copy small {
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--ui-text-dim);
}

.panel-actions {
    margin-top: clamp(16px, 1vw, 22px);
    padding-top: 0;
    position: relative;
    bottom: auto;
    background: transparent;
    padding-bottom: 0;
    display: grid;
    gap: 12px;
}

    .panel-actions::before {
        content: '';
        display: block;
        height: 1px;
        margin-bottom: 14px;
    background: linear-gradient(90deg, rgba(255, 236, 211, 0.08), rgba(242, 211, 164, 0.24), rgba(168, 197, 234, 0.08));
}

.reset-btn {
    width: 100%;
    padding: 13px 16px;
    border: none;
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 242, 220, 0.26), rgba(168, 197, 234, 0.18)),
        rgba(255, 255, 255, 0.05);
    color: #fff9f0;
    font-size: 0.98rem;
    border: 1px solid rgba(242, 211, 164, 0.32);
    cursor: pointer;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.06em;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 250, 241, 0.12);
}

.reset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.26), inset 0 1px 0 rgba(255, 250, 241, 0.16);
    border-color: rgba(242, 211, 164, 0.48);
    background:
        linear-gradient(135deg, rgba(255, 245, 227, 0.32), rgba(168, 197, 234, 0.22)),
        rgba(255, 255, 255, 0.06);
}

.reset-btn:active {
    transform: translateY(0);
}

.showcase-btn {
    width: 100%;
    min-height: 52px;
    padding: 13px 16px;
    border: 1px solid rgba(255, 211, 152, 0.34);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 183, 112, 0.22), rgba(128, 170, 255, 0.18)),
        rgba(255, 255, 255, 0.04);
    color: #fff8ef;
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow:
        0 16px 34px rgba(0, 0, 0, 0.24),
        inset 0 1px 0 rgba(255, 245, 229, 0.14);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease, color 0.28s ease;
}

.showcase-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 214, 160, 0.5);
    background:
        linear-gradient(135deg, rgba(255, 191, 120, 0.28), rgba(142, 181, 255, 0.22)),
        rgba(255, 255, 255, 0.05);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.28),
        0 0 32px rgba(255, 177, 92, 0.12),
        inset 0 1px 0 rgba(255, 247, 234, 0.18);
}

.showcase-btn.is-active {
    border-color: rgba(255, 216, 168, 0.66);
    background:
        linear-gradient(135deg, rgba(255, 183, 102, 0.42), rgba(116, 160, 255, 0.26)),
        rgba(255, 255, 255, 0.08);
    box-shadow:
        0 22px 46px rgba(0, 0, 0, 0.3),
        0 0 36px rgba(255, 181, 97, 0.22),
        inset 0 1px 0 rgba(255, 248, 236, 0.24);
}

.gesture-toggle-btn {
    width: 100%;
}

.gesture-toggle-btn.is-active {
    border-color: rgba(255, 214, 160, 0.52);
    background:
        linear-gradient(135deg, rgba(255, 191, 120, 0.24), rgba(142, 181, 255, 0.2)),
        rgba(255, 255, 255, 0.06);
    box-shadow:
        0 18px 34px rgba(0, 0, 0, 0.24),
        0 0 28px rgba(255, 177, 92, 0.12),
        inset 0 1px 0 rgba(255, 247, 234, 0.18);
}

#camera-view {
    position: absolute;
    bottom: var(--ui-safe-top);
    right: var(--ui-safe-side);
    width: var(--ui-preview-width);
    height: var(--ui-preview-height);
    border-radius: clamp(16px, 1vw, 20px);
    overflow: hidden;
    z-index: 100;
    border: 1px solid rgba(255, 240, 220, 0.18);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.36);
    background: rgba(16, 16, 19, 0.7);
    transform-origin: bottom right;
}

#camera-view::before {
    content: 'GESTURE FEED';
    top: 10px;
    left: 10px;
    right: auto;
    bottom: auto;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(11, 13, 18, 0.56);
    border: 1px solid rgba(255, 237, 214, 0.14);
    color: var(--ui-accent-ice);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    font-weight: 600;
    box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.08);
}

#camera-view::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(255, 244, 228, 0.12);
    border-radius: 12px;
    pointer-events: none;
    z-index: 1;
}

#webcam-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

#gesture-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(-1);
}

.camera-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(11, 11, 14, 0.9));
    backdrop-filter: none;
}

.gesture-indicator {
    font-size: 0.85rem;
    color: #fff9ef;
    text-align: center;
    margin-bottom: 8px;
    padding: 6px 8px;
    background: rgba(255, 241, 219, 0.12);
    border: 1px solid rgba(242, 211, 164, 0.18);
    border-radius: 999px;
    backdrop-filter: none;
}

.confidence-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ui-accent-cool), var(--ui-accent-gold-strong));
    width: 0%;
    transition: width 0.3s ease;
}

.gesture-hint {
    position: absolute;
    bottom: calc(var(--ui-safe-top) + var(--ui-preview-height) + var(--ui-panel-gap));
    right: var(--ui-safe-side);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    background:
        linear-gradient(135deg, rgba(255, 243, 223, 0.2), rgba(170, 197, 233, 0.16)),
        rgba(22, 23, 28, 0.76);
    padding: clamp(10px, 0.9vw, 13px) clamp(16px, 1.25vw, 20px);
    border-radius: 999px;
    z-index: 100;
    animation: none;
    border: 1px solid rgba(242, 211, 164, 0.24);
    box-shadow: var(--ui-shadow-soft);
    max-width: min(36vw, 420px);
    backdrop-filter: none;
    overflow: hidden;
}

.gesture-hint[hidden] {
    display: none !important;
}

.gesture-hint span {
    font-size: 0.9rem;
    color: #fff8ef;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
}

.retry-camera-btn {
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid rgba(255, 236, 211, 0.18);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(244, 211, 165, 0.94), rgba(255, 241, 220, 0.96));
    color: #121318;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(244, 201, 138, 0.2);
    transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
}

.retry-camera-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(244, 201, 138, 0.24);
}

.retry-camera-btn:disabled {
    opacity: 0.68;
    cursor: not-allowed;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: rgba(221, 185, 134, 0.38);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(221, 185, 134, 0.56);
}

/* 平面图展示 */
#floorplan-container {
    position: absolute;
    bottom: var(--ui-safe-top);
    left: calc(var(--ui-safe-side) + var(--ui-sidebar-width) + var(--ui-panel-gap));
    width: var(--ui-preview-width);
    height: var(--ui-preview-height);
    z-index: 100;
    border-radius: clamp(16px, 1vw, 20px);
    overflow: hidden;
    border: 1px solid rgba(255, 238, 217, 0.18);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.36);
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(16, 16, 19, 0.76);
}

#floorplan-container:hover {
    transform: translateY(-2px) scale(1.03);
    border-color: rgba(242, 211, 164, 0.42);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.4);
}

#floorplan-container::before {
    content: 'PLAN VIEW';
    top: 10px;
    left: 10px;
    right: auto;
    bottom: auto;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(11, 13, 18, 0.56);
    border: 1px solid rgba(255, 237, 214, 0.14);
    color: var(--ui-accent-amber);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    font-weight: 600;
    box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.08);
}

#floorplan-container::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(255, 244, 228, 0.12);
    border-radius: 12px;
    pointer-events: none;
    z-index: 1;
}

.floorplan-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

#floorplan-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease, filter 0.45s ease;
}

#floorplan-container:hover #floorplan-thumb {
    transform: scale(1.04);
    filter: saturate(1.05) contrast(1.04);
}

.floorplan-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 12px;
    background: linear-gradient(transparent, rgba(11, 11, 14, 0.9));
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: none;
    gap: 10px;
}

.floorplan-index {
    font-size: 0.8rem;
    color: #fffaf1;
    background: rgba(255, 244, 228, 0.16);
    padding: 4px 9px;
    border-radius: 999px;
    border: 1px solid rgba(242, 211, 164, 0.18);
}

.floorplan-hint {
    font-size: 0.75rem;
    color: var(--ui-text-soft);
}

/* 平面图模态框 */
#floorplan-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 50% 24%, rgba(255, 227, 188, 0.08), transparent 24%),
        rgba(6, 6, 8, 0.94);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#floorplan-modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: min(72vw, 1280px);
    height: min(74vh, 860px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 1.4vw, 28px) clamp(22px, 1.6vw, 32px) clamp(42px, 3vw, 56px);
    border-radius: 28px;
    background:
        linear-gradient(180deg, rgba(28, 28, 31, 0.8), rgba(10, 10, 12, 0.44)),
        radial-gradient(circle at top, rgba(255, 228, 190, 0.08), transparent 32%);
    border: 1px solid rgba(255, 237, 214, 0.08);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

#floorplan-large {
    max-width: 100%;
    max-height: calc(100% - 80px);
    object-fit: contain;
    border-radius: 18px;
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.4);
}

.modal-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.nav-btn {
    min-width: 92px;
    height: 44px;
    padding: 0 18px;
    border: none;
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 247, 233, 0.16), rgba(168, 197, 234, 0.12)),
        rgba(255, 246, 232, 0.12);
    color: #fff9ef;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 237, 214, 0.12);
}

.nav-btn:hover {
    background: rgba(242, 211, 164, 0.24);
    transform: translateY(-2px);
}

#modal-index {
    font-size: 1.1rem;
    color: #fff;
    min-width: 60px;
    text-align: center;
}

.close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 246, 232, 0.12);
    color: #fff9ef;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 237, 214, 0.12);
}

.close-btn:hover {
    background: rgba(255, 100, 100, 0.8);
    transform: rotate(90deg);
}

.modal-hint {
    position: absolute;
    bottom: 16px;
    color: var(--ui-text-soft);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    text-align: center;
}

@media (max-width: 960px) {
/* 手势光标 */
.gesture-hint {
        right: var(--ui-safe-side);
        bottom: calc(var(--ui-safe-side) + clamp(108px, 21vw, 132px) + var(--ui-panel-gap));
        max-width: calc(100vw - var(--ui-safe-side) * 2);
        padding: 10px 14px;
    }

    .gesture-hint span {
        font-size: 0.82rem;
    }

    .retry-camera-btn {
        width: 100%;
        justify-content: center;
    }

    .modal-content {
        width: calc(100vw - 32px);
        height: min(72vh, 620px);
        padding: 18px 18px 44px;
    }
}

@media (max-height: 900px) {
    :root {
        --ui-safe-top: 14px;
        --ui-safe-side: 14px;
        --ui-panel-gap: 12px;
        --ui-preview-width: clamp(160px, 11vw, 210px);
        --ui-preview-height: clamp(118px, 8.25vw, 156px);
    }

    #sidebar-left,
    #panel-right {
        max-height: calc(100vh - var(--ui-safe-top) * 2);
    }

    #panel-right {
        padding: clamp(16px, 1vw, 22px);
    }

    .panel-lead,
    .description {
        margin-bottom: 14px;
    }

    .features {
        gap: 10px;
    }

    .feature-item {
        min-height: 76px;
    }

    .entry-guide {
        padding: 16px;
        align-items: flex-start;
    }

    .entry-guide-card {
        padding: 24px 26px;
    }

    .entry-guide-hero {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .entry-guide-aside {
        padding: 16px 14px;
    }

    .entry-guide-title {
        font-size: 1.4rem;
    }

    .entry-guide-points {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 12px;
    }

    .entry-guide-journey {
        margin-top: 12px;
        padding: 12px 14px;
    }

    .entry-guide-journey-steps {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .entry-guide-actions {
        margin-top: 16px;
    }

    .entry-guide-btn {
        min-height: 40px;
        padding: 0 16px;
    }
}

@media (max-height: 780px) {
    #panel-right {
        max-height: min(38vh, 280px);
    }

    .features {
        grid-template-columns: 1fr;
    }
}

/* 版本提示样式 */
.version-tooltip-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-top: 8px;
}

.version-badge {
    display: inline-block;
    padding: 4px 10px;
    background: linear-gradient(135deg, rgba(168, 197, 234, 0.82) 0%, rgba(221, 185, 134, 0.92) 100%);
    color: #16161b;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 12px;
    cursor: help;
    transition: all 0.3s ease;
    border: 1px solid rgba(242, 211, 164, 0.32);
}

.version-badge:hover {
    background: linear-gradient(135deg, rgba(179, 205, 236, 0.92) 0%, rgba(242, 211, 164, 0.98) 100%);
    transform: scale(1.05);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.version-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(0, 4, 6, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 236, 211, 0.14);
    border-radius: 12px;
    padding: 16px;
    min-width: 280px;
    max-width: 350px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.version-tooltip-container:hover .version-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

.version-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: rgba(0, 4, 6, 0.95);
}

.tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.tooltip-title {
    font-size: 1rem;
    font-weight: bold;
    color: #fff;
}

.tooltip-version {
    font-size: 0.85rem;
    color: #fff5e8;
    font-weight: bold;
    background: rgba(221, 185, 134, 0.18);
    padding: 2px 8px;
    border-radius: 4px;
}

.tooltip-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(221, 185, 134, 0.46), transparent);
    margin: 12px 0;
}

.tooltip-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tooltip-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.tooltip-value {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

.tooltip-notes {
    margin-top: 8px;
}

.tooltip-notes-title {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-weight: bold;
}

.tooltip-notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tooltip-notes li {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
    line-height: 1.4;
}

.tooltip-notes li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--ui-accent-gold);
    font-weight: bold;
}

/* 模型切换进度条 - 流光加载中 */
.model-switch-progress {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9998;
    display: none;
    pointer-events: none;
}

.model-switch-progress.active {
    display: flex;
}

.model-switch-progress .progress-container {
    position: relative;
    background:
        linear-gradient(180deg, rgba(255, 245, 229, 0.1), rgba(255, 255, 255, 0.02)),
        rgba(16, 16, 19, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 236, 211, 0.16);
    border-radius: 24px;
    padding: 32px 48px;
    min-width: 280px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
    text-align: center;
    animation: progressFadeIn 0.3s ease;
    overflow: hidden;
}

.model-switch-progress .progress-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(255, 228, 188, 0.12), transparent 32%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 16%);
    pointer-events: none;
}

.model-switch-progress .progress-container::after {
    content: '';
    position: absolute;
    top: 18px;
    left: 18px;
    right: 18px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 236, 211, 0.18), transparent);
    pointer-events: none;
}

@keyframes progressFadeIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.model-switch-progress .progress-label {
    font-size: 1.1rem;
    color: var(--ui-text-main);
    margin-bottom: 18px;
    font-weight: 500;
    letter-spacing: 0.12em;
}

.model-switch-progress .progress-label::after {
    content: 'SCENE TRANSITION';
    display: block;
    margin-top: 10px;
    color: var(--ui-text-dim);
    font-size: 0.62rem;
    letter-spacing: 0.28em;
}

/* 流光进度条 */
.model-switch-progress .progress-bar-streaming {
    position: relative;
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 20px;
}

/* 流光主体 */
.model-switch-progress .progress-stream {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 40%;
    background: linear-gradient(90deg, 
        transparent 0%,
        #aac6e7 20%,
        #f3d7ab 50%,
        #aac6e7 80%,
        transparent 100%);
    border-radius: 2px;
    animation: streamFlow 1.5s ease-in-out infinite;
    box-shadow: 0 0 12px rgba(243, 215, 171, 0.35);
}

@keyframes streamFlow {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(250%);
    }
}

/* 流光光晕 */
.model-switch-progress .progress-glow {
    position: absolute;
    top: 50%;
    left: 0;
    height: 20px;
    width: 100%;
    transform: translateY(-50%);
    background: radial-gradient(ellipse at center, 
        rgba(243, 215, 171, 0.24) 0%,
        transparent 70%);
    animation: glowPulse 1.5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

/* 加载中点点动画 */
.model-switch-progress .progress-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.model-switch-progress .progress-dots span {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #aac6e7 0%, #f3d7ab 100%);
    border-radius: 50%;
    animation: dotBounce 1.4s ease-in-out infinite both;
    box-shadow: 0 0 12px rgba(243, 215, 171, 0.35);
}

.model-switch-progress .progress-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.model-switch-progress .progress-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotBounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.model-switch-progress .progress-status {
    font-size: 0.85rem;
    color: var(--ui-text-soft);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.entry-guide {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 9997;
    background: radial-gradient(circle at center, rgba(9, 10, 15, 0.18), rgba(9, 10, 15, 0.42));
}

.entry-guide.is-visible {
    display: flex;
}

.entry-guide-card {
    width: min(920px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    padding: 32px 34px;
    overflow-y: auto;
    background:
        linear-gradient(180deg, rgba(255, 245, 229, 0.12), rgba(255, 255, 255, 0.02)),
        rgba(16, 16, 19, 0.88);
    border: 1px solid rgba(255, 236, 211, 0.16);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
    text-align: left;
}

.entry-guide-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
    gap: 22px;
    align-items: stretch;
}

.entry-guide-main {
    min-width: 0;
}

.entry-guide-aside {
    padding: 20px 18px;
    border-radius: 20px;
    background:
        linear-gradient(180deg, rgba(255, 247, 232, 0.08), rgba(255, 255, 255, 0.03)),
        rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 236, 211, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.04);
}

.entry-guide-aside-title,
.entry-guide-journey-title {
    margin-bottom: 14px;
    color: var(--ui-text-main);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.entry-guide-subtitle {
    margin-bottom: 14px;
    color: var(--ui-text-dim);
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.entry-guide-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 12px;
    margin-bottom: 16px;
    border-radius: 999px;
    background: rgba(255, 245, 229, 0.08);
    border: 1px solid rgba(255, 236, 211, 0.14);
    color: var(--ui-accent-ice);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.entry-guide-title {
    margin: 0 0 12px;
    font-size: clamp(1.4rem, 1.8vw, 1.9rem);
    line-height: 1.35;
    color: var(--ui-text-main);
}

.entry-guide-description {
    margin: 0;
    line-height: 1.8;
    color: var(--ui-text-soft);
    font-size: 0.98rem;
}

.entry-guide-meta {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 236, 211, 0.08);
    color: var(--ui-text-dim);
    font-size: 0.85rem;
    line-height: 1.7;
}

.entry-guide-stats {
    display: grid;
    gap: 10px;
}

.entry-guide-stat {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 236, 211, 0.08);
}

.entry-guide-stat-label {
    display: block;
    color: var(--ui-text-dim);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.entry-guide-stat-value {
    display: block;
    margin-top: 6px;
    color: var(--ui-text-main);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
}

.entry-guide-points {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.entry-guide-point {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 236, 211, 0.08);
}

.entry-guide-point strong {
    display: block;
    margin-bottom: 4px;
    color: var(--ui-text-main);
    font-size: 0.92rem;
}

.entry-guide-point span {
    display: block;
    color: var(--ui-text-soft);
    font-size: 0.84rem;
    line-height: 1.7;
}

.entry-guide-journey {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 236, 211, 0.08);
}

.entry-guide-journey-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.entry-guide-step {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 236, 211, 0.06);
}

.entry-guide-step span {
    color: var(--ui-accent-gold-strong);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.entry-guide-step em {
    color: var(--ui-text-soft);
    font-size: 0.86rem;
    font-style: normal;
    line-height: 1.7;
}

.entry-guide-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.entry-guide-btn {
    min-width: 160px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 236, 211, 0.12);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease, opacity 0.24s ease;
}

.entry-guide-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.entry-guide-btn:disabled {
    cursor: not-allowed;
    opacity: 0.62;
}

.entry-guide-btn.primary {
    color: #101116;
    background: linear-gradient(135deg, #f4d3a5 0%, #fff1dc 100%);
    box-shadow: 0 12px 30px rgba(244, 201, 138, 0.26);
}

.entry-guide-btn.secondary {
    color: var(--ui-text-main);
    background: rgba(255, 255, 255, 0.06);
}

.entry-guide-footnote {
    margin-top: 16px;
    color: var(--ui-text-dim);
    font-size: 0.8rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .entry-guide {
        align-items: flex-end;
        padding: 16px;
    }

    .entry-guide-card {
        width: 100%;
        padding: 22px 20px;
        border-radius: 22px;
    }

    .entry-guide-hero,
    .entry-guide-points,
    .entry-guide-journey-steps {
        grid-template-columns: 1fr;
    }

    .entry-guide-actions {
        flex-direction: column;
    }

    .entry-guide-btn {
        width: 100%;
    }
}

.cache-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cache-status {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff4df;
}

.cache-summary,
.cache-note {
    line-height: 1.6;
    color: rgba(255, 244, 227, 0.74);
}

.cache-summary {
    font-size: 0.82rem;
}

.cache-note {
    margin: 0;
    font-size: 0.75rem;
    color: rgba(196, 220, 246, 0.72);
}

.cache-progress {
    position: relative;
    height: 7px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 240, 216, 0.08);
    opacity: 0;
    transform: scaleY(0.92);
    transition: opacity 0.24s ease, transform 0.24s ease;
}

.cache-progress.is-visible {
    opacity: 1;
    transform: scaleY(1);
}

.cache-progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(242, 211, 164, 0.9), rgba(168, 197, 234, 0.92));
    box-shadow: 0 0 16px rgba(242, 211, 164, 0.28);
    transition: width 0.24s ease;
}

.cache-btn {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(242, 211, 164, 0.24);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(255, 243, 223, 0.22), rgba(168, 197, 234, 0.16)),
        rgba(255, 255, 255, 0.04);
    color: #fff9ef;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease, opacity 0.24s ease;
}

.cache-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.42);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
}

.cache-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

body.device-tablet {
    --ui-safe-top: 12px;
    --ui-safe-side: 12px;
    --ui-panel-gap: 10px;
    --ui-panel-padding: 14px;
    --ui-section-padding: 12px;
    --ui-sidebar-width: clamp(236px, 27vw, 292px);
    --ui-right-panel-width: clamp(244px, 28vw, 304px);
    --ui-preview-width: clamp(144px, 16vw, 188px);
    --ui-preview-height: clamp(104px, 11vw, 136px);
}

body.device-tablet #sidebar-left,
body.device-tablet #panel-right {
    padding: 14px;
    overflow-y: hidden;
    overscroll-behavior: none;
}

body.device-tablet #sidebar-left {
    max-height: calc(100vh - var(--ui-safe-top) * 2);
}

body.device-tablet #panel-right {
    max-height: calc(100vh - var(--ui-safe-top) * 2 - var(--ui-preview-height) - 18px);
}

body.device-tablet .sidebar-section {
    margin-bottom: 10px;
    padding: 12px;
}

body.device-tablet .sidebar-section:last-child {
    margin-bottom: 0;
}

body.device-tablet .sidebar-section h3 {
    margin-bottom: 10px;
    font-size: 0.8rem;
}

body.device-tablet .model-select-trigger {
    min-height: 44px;
    padding: 12px 42px 12px 14px;
    font-size: 0.84rem;
}

body.device-tablet .cache-status {
    font-size: 0.84rem;
}

body.device-tablet .gesture-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

body.device-tablet .gesture-item {
    padding: 10px 8px;
    border-radius: 14px;
}

body.device-tablet .gesture-icon {
    font-size: 1.28rem;
    margin-bottom: 6px;
}

body.device-tablet .gesture-item p,
body.device-tablet .gesture-hint-text small,
body.device-tablet .cache-summary,
body.device-tablet .cache-note {
    font-size: 0.68rem;
}

body.device-tablet .admin-btn {
    min-height: 42px;
    padding: 11px 13px;
    font-size: 0.82rem;
}

body.device-tablet .panel-content h2 {
    font-size: 1.42rem;
    margin-bottom: 12px;
}

body.device-tablet .panel-eyebrow {
    margin-bottom: 10px;
    font-size: 0.64rem;
}

body.device-tablet .panel-lead {
    margin-bottom: 12px;
    padding-bottom: 12px;
    font-size: 0.76rem;
    line-height: 1.65;
}

body.device-tablet .description {
    margin-bottom: 12px;
    padding: 12px 14px 14px;
    font-size: 0.84rem;
}

body.device-tablet .description p {
    max-width: none;
}

body.device-tablet .features {
    gap: 9px;
}

body.device-tablet .feature-item {
    min-height: 70px;
    padding: 10px 12px;
    border-radius: 14px;
}

body.device-tablet .feature-icon {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 0.96rem;
}

body.device-tablet .feature-copy strong {
    font-size: 0.78rem;
}

body.device-tablet .feature-copy small {
    font-size: 0.66rem;
}

body.device-tablet .panel-actions {
    margin-top: 12px;
}

body.device-tablet .panel-actions::before {
    margin-bottom: 10px;
}

body.device-tablet .reset-btn,
body.device-tablet .cache-btn,
body.device-tablet .gesture-toggle-btn,
body.device-tablet .showcase-btn,
body.device-tablet .retry-camera-btn {
    min-height: 42px;
    font-size: 0.82rem;
}

body.device-tablet #camera-view {
    width: var(--ui-preview-width);
    height: var(--ui-preview-height);
    right: var(--ui-safe-side);
    bottom: var(--ui-safe-side);
}

body.device-tablet .camera-overlay {
    padding: 9px 10px 10px;
}

body.device-tablet .gesture-indicator {
    font-size: 0.74rem;
    margin-bottom: 6px;
    padding: 5px 6px;
}

body.device-tablet #floorplan-container {
    width: var(--ui-preview-width);
    height: var(--ui-preview-height);
    bottom: var(--ui-safe-side);
}

body.device-tablet .gesture-hint {
    right: calc(var(--ui-safe-side) + var(--ui-preview-width) + 10px);
    bottom: var(--ui-safe-side);
    max-width: min(28vw, 280px);
    border-radius: 18px;
    padding: 10px 12px;
}

body.device-tablet .gesture-hint span {
    font-size: 0.76rem;
}

body.device-tablet .modal-content {
    width: min(90vw, 1080px);
    height: min(78vh, 800px);
}

body.device-tablet.tablet-portrait {
    --ui-sidebar-width: clamp(224px, 28vw, 268px);
    --ui-right-panel-width: clamp(232px, 29vw, 280px);
    --ui-preview-width: clamp(136px, 15vw, 170px);
    --ui-preview-height: clamp(100px, 10vw, 124px);
}

body.device-tablet.tablet-portrait #sidebar-left,
body.device-tablet.tablet-portrait #panel-right {
    padding: 12px;
}

body.device-tablet.tablet-portrait .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

body.device-tablet.tablet-portrait .feature-item {
    min-height: 64px;
}

body.device-tablet.tablet-portrait .gesture-hint {
    max-width: min(22vw, 210px);
}

body.device-tablet.tablet-landscape {
    --ui-sidebar-width: clamp(248px, 23vw, 300px);
    --ui-right-panel-width: clamp(256px, 24vw, 316px);
}

body.platform-ipad.tablet-portrait #panel-right {
    width: min(clamp(248px, 34vw, 308px), calc(100vw - var(--ui-safe-side) * 2));
    max-height: min(52vh, 480px);
}

body.platform-ipad.tablet-portrait #sidebar-left {
    width: min(clamp(236px, 31vw, 292px), calc(100vw - var(--ui-safe-side) * 2 - clamp(248px, 34vw, 308px) - 16px));
    max-height: calc(100vh - var(--ui-safe-top) * 2);
    overflow-y: auto;
}

body.device-tablet #sidebar-left[data-fit-level="1"] {
    padding: 12px;
}

body.device-tablet #sidebar-left[data-fit-level="1"] .sidebar-section {
    margin-bottom: 8px;
    padding: 10px;
}

body.device-tablet #sidebar-left[data-fit-level="1"] .gesture-guide {
    gap: 6px;
}

body.device-tablet #sidebar-left[data-fit-level="1"] .gesture-item {
    padding: 8px 6px;
}

body.device-tablet #sidebar-left[data-fit-level="1"] .gesture-item p,
body.device-tablet #sidebar-left[data-fit-level="1"] .gesture-hint-text small,
body.device-tablet #sidebar-left[data-fit-level="1"] .cache-summary,
body.device-tablet #sidebar-left[data-fit-level="1"] .cache-note {
    font-size: 0.64rem;
}

body.device-tablet #sidebar-left[data-fit-level="2"],
body.device-tablet #sidebar-left[data-fit-level="3"] {
    padding: 10px;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .sidebar-section,
body.device-tablet #sidebar-left[data-fit-level="3"] .sidebar-section {
    margin-bottom: 7px;
    padding: 9px;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .sidebar-section h3,
body.device-tablet #sidebar-left[data-fit-level="3"] .sidebar-section h3 {
    margin-bottom: 8px;
    font-size: 0.75rem;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .model-select-trigger,
body.device-tablet #sidebar-left[data-fit-level="3"] .model-select-trigger {
    min-height: 40px;
    padding: 10px 38px 10px 12px;
    font-size: 0.78rem;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .gesture-guide,
body.device-tablet #sidebar-left[data-fit-level="3"] .gesture-guide {
    gap: 5px;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .gesture-item,
body.device-tablet #sidebar-left[data-fit-level="3"] .gesture-item {
    padding: 7px 5px;
    border-radius: 12px;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .gesture-icon,
body.device-tablet #sidebar-left[data-fit-level="3"] .gesture-icon {
    font-size: 1.12rem;
    margin-bottom: 4px;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .gesture-item p,
body.device-tablet #sidebar-left[data-fit-level="2"] .gesture-hint-text small,
body.device-tablet #sidebar-left[data-fit-level="2"] .cache-summary,
body.device-tablet #sidebar-left[data-fit-level="2"] .cache-note,
body.device-tablet #sidebar-left[data-fit-level="3"] .gesture-item p,
body.device-tablet #sidebar-left[data-fit-level="3"] .gesture-hint-text small,
body.device-tablet #sidebar-left[data-fit-level="3"] .cache-summary,
body.device-tablet #sidebar-left[data-fit-level="3"] .cache-note {
    font-size: 0.6rem;
    line-height: 1.35;
}

body.device-tablet #sidebar-left[data-fit-level="2"] .cache-btn,
body.device-tablet #sidebar-left[data-fit-level="2"] .admin-btn,
body.device-tablet #sidebar-left[data-fit-level="3"] .cache-btn,
body.device-tablet #sidebar-left[data-fit-level="3"] .admin-btn {
    min-height: 38px;
    font-size: 0.76rem;
}

body.device-tablet #panel-right[data-fit-level="1"] {
    padding: 12px;
}

body.device-tablet #panel-right[data-fit-level="1"] .panel-content h2 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

body.device-tablet #panel-right[data-fit-level="1"] .panel-lead {
    margin-bottom: 10px;
    padding-bottom: 10px;
    font-size: 0.72rem;
}

body.device-tablet #panel-right[data-fit-level="1"] .description {
    margin-bottom: 10px;
    padding: 10px 12px 12px;
    font-size: 0.8rem;
}

body.device-tablet #panel-right[data-fit-level="1"] .features {
    gap: 7px;
}

body.device-tablet #panel-right[data-fit-level="1"] .feature-item {
    min-height: 64px;
    padding: 8px 10px;
}

body.device-tablet #panel-right[data-fit-level="1"] .feature-copy strong {
    font-size: 0.74rem;
}

body.device-tablet #panel-right[data-fit-level="1"] .feature-copy small {
    font-size: 0.62rem;
}

body.device-tablet #panel-right[data-fit-level="2"],
body.device-tablet #panel-right[data-fit-level="3"] {
    padding: 10px;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-eyebrow,
body.device-tablet #panel-right[data-fit-level="3"] .panel-eyebrow {
    margin-bottom: 8px;
    padding: 5px 10px;
    font-size: 0.58rem;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-content h2,
body.device-tablet #panel-right[data-fit-level="3"] .panel-content h2 {
    font-size: 1.18rem;
    margin-bottom: 8px;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-content h2::after,
body.device-tablet #panel-right[data-fit-level="3"] .panel-content h2::after {
    width: 72px;
    margin-top: 8px;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-lead,
body.device-tablet #panel-right[data-fit-level="3"] .panel-lead {
    margin-bottom: 8px;
    padding-bottom: 8px;
    font-size: 0.66rem;
    line-height: 1.5;
}

body.device-tablet #panel-right[data-fit-level="2"] .description,
body.device-tablet #panel-right[data-fit-level="3"] .description {
    margin-bottom: 8px;
    padding: 8px 10px 10px;
    font-size: 0.72rem;
    line-height: 1.45;
}

body.device-tablet #panel-right[data-fit-level="2"] .description::before,
body.device-tablet #panel-right[data-fit-level="3"] .description::before {
    margin-bottom: 6px;
    padding: 3px 8px;
    font-size: 0.54rem;
}

body.device-tablet #panel-right[data-fit-level="2"] .features,
body.device-tablet #panel-right[data-fit-level="3"] .features {
    gap: 6px;
}

body.device-tablet #panel-right[data-fit-level="2"] .feature-item,
body.device-tablet #panel-right[data-fit-level="3"] .feature-item {
    min-height: 58px;
    padding: 7px 9px;
    border-radius: 12px;
}

body.device-tablet #panel-right[data-fit-level="2"] .feature-icon,
body.device-tablet #panel-right[data-fit-level="3"] .feature-icon {
    width: 26px;
    height: 26px;
    flex-basis: 26px;
    font-size: 0.82rem;
}

body.device-tablet #panel-right[data-fit-level="2"] .feature-copy strong,
body.device-tablet #panel-right[data-fit-level="3"] .feature-copy strong {
    font-size: 0.68rem;
}

body.device-tablet #panel-right[data-fit-level="2"] .feature-copy small,
body.device-tablet #panel-right[data-fit-level="3"] .feature-copy small {
    font-size: 0.56rem;
    line-height: 1.35;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-actions,
body.device-tablet #panel-right[data-fit-level="3"] .panel-actions {
    margin-top: 8px;
}

body.device-tablet #panel-right[data-fit-level="2"] .panel-actions::before,
body.device-tablet #panel-right[data-fit-level="3"] .panel-actions::before {
    margin-bottom: 6px;
}

body.device-tablet #panel-right[data-fit-level="2"] .reset-btn,
body.device-tablet #panel-right[data-fit-level="2"] .showcase-btn,
body.device-tablet #panel-right[data-fit-level="3"] .reset-btn,
body.device-tablet #panel-right[data-fit-level="3"] .showcase-btn {
    min-height: 38px;
    padding: 10px 12px;
    font-size: 0.74rem;
}

body.platform-pc .gesture-guide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.platform-pc #sidebar-left {
    max-height: calc(100vh - var(--ui-safe-top) * 2);
}

body.platform-pc #sidebar-left[data-fit-level="1"] {
    padding: 16px;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .sidebar-section {
    margin-bottom: 12px;
    padding: 12px;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .sidebar-section h3 {
    margin-bottom: 10px;
    font-size: 0.74rem;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .model-select-trigger {
    min-height: 48px;
    padding: 12px 44px 12px 14px;
    font-size: 0.84rem;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .cache-status {
    font-size: 0.84rem;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .cache-summary,
body.platform-pc #sidebar-left[data-fit-level="1"] .cache-note {
    font-size: 0.68rem;
    line-height: 1.45;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .gesture-guide {
    gap: 6px;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .gesture-item {
    padding: 8px 6px;
    border-radius: 12px;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .gesture-icon {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .gesture-item p,
body.platform-pc #sidebar-left[data-fit-level="1"] .gesture-hint-text small {
    font-size: 0.62rem;
    line-height: 1.3;
}

body.platform-pc #sidebar-left[data-fit-level="1"] .cache-btn,
body.platform-pc #sidebar-left[data-fit-level="1"] .admin-btn {
    min-height: 42px;
    font-size: 0.8rem;
}

body.platform-pc #sidebar-left[data-fit-level="2"],
body.platform-pc #sidebar-left[data-fit-level="3"] {
    padding: 12px;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .sidebar-section,
body.platform-pc #sidebar-left[data-fit-level="3"] .sidebar-section {
    margin-bottom: 8px;
    padding: 10px;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .sidebar-section h3,
body.platform-pc #sidebar-left[data-fit-level="3"] .sidebar-section h3 {
    margin-bottom: 8px;
    font-size: 0.7rem;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .model-select-trigger,
body.platform-pc #sidebar-left[data-fit-level="3"] .model-select-trigger {
    min-height: 40px;
    padding: 10px 38px 10px 12px;
    font-size: 0.76rem;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .cache-status,
body.platform-pc #sidebar-left[data-fit-level="3"] .cache-status {
    font-size: 0.78rem;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .cache-summary,
body.platform-pc #sidebar-left[data-fit-level="2"] .cache-note,
body.platform-pc #sidebar-left[data-fit-level="3"] .cache-summary,
body.platform-pc #sidebar-left[data-fit-level="3"] .cache-note {
    font-size: 0.6rem;
    line-height: 1.35;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .gesture-guide,
body.platform-pc #sidebar-left[data-fit-level="3"] .gesture-guide {
    gap: 5px;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .gesture-item,
body.platform-pc #sidebar-left[data-fit-level="3"] .gesture-item {
    padding: 7px 5px;
    border-radius: 11px;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .gesture-icon,
body.platform-pc #sidebar-left[data-fit-level="3"] .gesture-icon {
    font-size: 1rem;
    margin-bottom: 4px;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .gesture-item p,
body.platform-pc #sidebar-left[data-fit-level="2"] .gesture-hint-text small,
body.platform-pc #sidebar-left[data-fit-level="3"] .gesture-item p,
body.platform-pc #sidebar-left[data-fit-level="3"] .gesture-hint-text small {
    font-size: 0.54rem;
    line-height: 1.25;
}

body.platform-pc #sidebar-left[data-fit-level="2"] .cache-btn,
body.platform-pc #sidebar-left[data-fit-level="2"] .admin-btn,
body.platform-pc #sidebar-left[data-fit-level="3"] .cache-btn,
body.platform-pc #sidebar-left[data-fit-level="3"] .admin-btn {
    min-height: 36px;
    font-size: 0.72rem;
}

body.platform-pc #sidebar-left[data-fit-level="4"] {
    padding: 10px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .sidebar-section {
    margin-bottom: 7px;
    padding: 8px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .sidebar-section h3 {
    margin-bottom: 7px;
    font-size: 0.66rem;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .model-select-trigger {
    min-height: 36px;
    padding: 8px 34px 8px 11px;
    font-size: 0.7rem;
    border-radius: 12px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .cache-status {
    font-size: 0.74rem;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .cache-summary {
    font-size: 0.54rem;
    line-height: 1.25;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .cache-note,
body.platform-pc #sidebar-left[data-fit-level="4"] .gesture-hint-text {
    display: none;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .gesture-guide {
    gap: 4px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .gesture-item {
    padding: 6px 4px;
    border-radius: 10px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .gesture-icon {
    font-size: 0.92rem;
    margin-bottom: 3px;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .gesture-item p {
    font-size: 0.5rem;
    line-height: 1.2;
}

body.platform-pc #sidebar-left[data-fit-level="4"] .cache-btn,
body.platform-pc #sidebar-left[data-fit-level="4"] .admin-btn {
    min-height: 34px;
    padding: 8px 10px;
    font-size: 0.68rem;
}

body.platform-pc #panel-right[data-fit-level="1"] {
    padding: 16px;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-eyebrow {
    margin-bottom: 12px;
    padding: 5px 10px;
    font-size: 0.62rem;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-content h2 {
    font-size: 1.56rem;
    margin-bottom: 12px;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-content h2::after {
    margin-top: 10px;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-lead {
    margin-bottom: 14px;
    padding-bottom: 12px;
    font-size: 0.76rem;
    line-height: 1.62;
}

body.platform-pc #panel-right[data-fit-level="1"] .description {
    margin-bottom: 14px;
    padding: 12px 14px 14px;
    font-size: 0.82rem;
    line-height: 1.52;
}

body.platform-pc #panel-right[data-fit-level="1"] .description::before {
    margin-bottom: 8px;
    font-size: 0.56rem;
}

body.platform-pc #panel-right[data-fit-level="1"] .features {
    gap: 8px;
}

body.platform-pc #panel-right[data-fit-level="1"] .feature-item {
    min-height: 72px;
    padding: 10px 11px 11px;
    border-radius: 14px;
}

body.platform-pc #panel-right[data-fit-level="1"] .feature-icon {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 0.92rem;
}

body.platform-pc #panel-right[data-fit-level="1"] .feature-copy strong {
    font-size: 0.76rem;
}

body.platform-pc #panel-right[data-fit-level="1"] .feature-copy small {
    font-size: 0.64rem;
    line-height: 1.34;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-actions {
    margin-top: 10px;
    gap: 10px;
}

body.platform-pc #panel-right[data-fit-level="1"] .panel-actions::before {
    margin-bottom: 10px;
}

body.platform-pc #panel-right[data-fit-level="1"] .reset-btn,
body.platform-pc #panel-right[data-fit-level="1"] .gesture-toggle-btn,
body.platform-pc #panel-right[data-fit-level="1"] .showcase-btn {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 0.82rem;
}

body.platform-pc #panel-right[data-fit-level="2"],
body.platform-pc #panel-right[data-fit-level="3"] {
    padding: 13px;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-eyebrow,
body.platform-pc #panel-right[data-fit-level="3"] .panel-eyebrow {
    margin-bottom: 10px;
    padding: 4px 9px;
    font-size: 0.56rem;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-content h2,
body.platform-pc #panel-right[data-fit-level="3"] .panel-content h2 {
    font-size: 1.34rem;
    margin-bottom: 10px;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-content h2::after,
body.platform-pc #panel-right[data-fit-level="3"] .panel-content h2::after {
    width: 68px;
    margin-top: 8px;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-lead,
body.platform-pc #panel-right[data-fit-level="3"] .panel-lead {
    margin-bottom: 10px;
    padding-bottom: 9px;
    font-size: 0.68rem;
    line-height: 1.48;
}

body.platform-pc #panel-right[data-fit-level="2"] .description,
body.platform-pc #panel-right[data-fit-level="3"] .description {
    margin-bottom: 10px;
    padding: 10px 11px 11px;
    font-size: 0.72rem;
    line-height: 1.42;
    border-radius: 16px;
}

body.platform-pc #panel-right[data-fit-level="2"] .description::before,
body.platform-pc #panel-right[data-fit-level="3"] .description::before {
    margin-bottom: 6px;
    padding: 3px 8px;
    font-size: 0.5rem;
}

body.platform-pc #panel-right[data-fit-level="2"] .features,
body.platform-pc #panel-right[data-fit-level="3"] .features {
    gap: 6px;
}

body.platform-pc #panel-right[data-fit-level="2"] .feature-item,
body.platform-pc #panel-right[data-fit-level="3"] .feature-item {
    min-height: 58px;
    padding: 8px 9px 9px;
    border-radius: 12px;
}

body.platform-pc #panel-right[data-fit-level="2"] .feature-icon,
body.platform-pc #panel-right[data-fit-level="3"] .feature-icon {
    width: 26px;
    height: 26px;
    flex-basis: 26px;
    font-size: 0.8rem;
    border-radius: 10px;
}

body.platform-pc #panel-right[data-fit-level="2"] .feature-copy strong,
body.platform-pc #panel-right[data-fit-level="3"] .feature-copy strong {
    font-size: 0.68rem;
}

body.platform-pc #panel-right[data-fit-level="2"] .feature-copy small,
body.platform-pc #panel-right[data-fit-level="3"] .feature-copy small {
    font-size: 0.56rem;
    line-height: 1.28;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-actions,
body.platform-pc #panel-right[data-fit-level="3"] .panel-actions {
    margin-top: 8px;
    gap: 8px;
}

body.platform-pc #panel-right[data-fit-level="2"] .panel-actions::before,
body.platform-pc #panel-right[data-fit-level="3"] .panel-actions::before {
    margin-bottom: 8px;
}

body.platform-pc #panel-right[data-fit-level="2"] .reset-btn,
body.platform-pc #panel-right[data-fit-level="2"] .gesture-toggle-btn,
body.platform-pc #panel-right[data-fit-level="2"] .showcase-btn,
body.platform-pc #panel-right[data-fit-level="3"] .reset-btn,
body.platform-pc #panel-right[data-fit-level="3"] .gesture-toggle-btn,
body.platform-pc #panel-right[data-fit-level="3"] .showcase-btn {
    min-height: 38px;
    padding: 9px 10px;
    font-size: 0.74rem;
}

body.platform-pc #panel-right .feature-item:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, rgba(242, 211, 164, 0.28), rgba(168, 197, 234, 0.24));
}

body.platform-ipad {
    --ui-safe-top: 14px;
    --ui-safe-side: 14px;
    --ui-panel-gap: 10px;
    --ui-panel-padding: 14px;
    --ui-section-padding: 12px;
    --platform-ipad-camera-width: clamp(148px, 19vw, 196px);
    --platform-ipad-camera-height: clamp(110px, 14vw, 144px);
    --platform-ipad-floorplan-width: clamp(156px, 18vw, 208px);
    --platform-ipad-floorplan-height: clamp(118px, 14vw, 154px);
    --platform-ipad-side-panel-width: clamp(272px, 26vw, 340px);
}

body.platform-ipad #model-cache-section,
body.platform-ipad .admin-link {
    display: none;
}

body.platform-ipad #sidebar-left {
    width: min(clamp(248px, 25vw, 316px), calc(100vw - var(--ui-safe-side) * 2 - var(--platform-ipad-side-panel-width) - 24px));
    max-height: calc(100vh - var(--ui-safe-top) * 2);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding-right: 12px;
}

body.platform-ipad #panel-right {
    left: auto;
    right: var(--ui-safe-side);
    top: calc(var(--ui-safe-side) + var(--platform-ipad-floorplan-height) + 16px);
    bottom: auto;
    width: min(var(--platform-ipad-side-panel-width), calc(100vw - var(--ui-safe-side) * 2));
    max-height: min(58vh, 520px);
    padding: 12px;
    background:
        linear-gradient(180deg, rgba(255, 243, 223, 0.08), rgba(255, 255, 255, 0.016)),
        rgba(18, 16, 15, 0.52);
    border-color: rgba(255, 230, 198, 0.1);
}

body.platform-ipad .features {
    grid-template-columns: 1fr;
    gap: 8px;
}

body.platform-ipad #camera-view {
    top: var(--ui-safe-side);
    right: var(--ui-safe-side);
    bottom: auto;
    width: var(--platform-ipad-camera-width);
    height: var(--platform-ipad-camera-height);
}

body.platform-ipad #floorplan-container {
    left: auto;
    right: var(--ui-safe-side);
    top: var(--ui-safe-side);
    bottom: auto;
    width: var(--platform-ipad-floorplan-width);
    height: var(--platform-ipad-floorplan-height);
}

body.platform-ipad .gesture-hint {
    top: calc(var(--ui-safe-side) + var(--platform-ipad-camera-height) * 2 + 24px);
    right: var(--ui-safe-side);
    bottom: auto;
    max-width: var(--platform-ipad-camera-width);
    border-radius: 22px;
    padding: 12px 14px;
}

body.platform-ipad .gesture-hint span {
    font-size: 0.78rem;
    line-height: 1.45;
}

body.platform-ipad .platform-switcher {
    padding: 8px 10px;
}

body.platform-ipad .platform-switcher-link {
    min-height: 32px;
    padding: 0 12px;
    font-size: 0.76rem;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left {
    top: 18px;
    left: 18px;
    width: min(292px, calc(100vw - 36px));
    max-height: calc(100vh - 36px);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .app-brand-section {
    display: none;
}

body[data-bundle-view="true"].platform-ipad #floorplan-container {
    top: auto;
    left: auto;
    right: 18px;
    bottom: 18px;
    width: min(260px, 29vw);
    height: 156px;
}

body[data-bundle-view="true"].platform-ipad #camera-view,
body[data-bundle-view="true"].platform-ipad .gesture-hint {
    display: none;
}

body[data-bundle-view="true"].platform-ipad #panel-right {
    display: none;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .sidebar-section {
    margin-bottom: 6px;
    padding: 8px 9px;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .sidebar-section:last-child {
    margin-bottom: 0;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .sidebar-section h3 {
    margin-bottom: 6px;
    font-size: 0.64rem;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .model-select-trigger {
    min-height: 38px;
    padding: 8px 34px 8px 10px;
    font-size: 0.74rem;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .brightness-control {
    gap: 4px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .brightness-level-btn {
    min-height: 28px;
    border-radius: 10px;
    font-size: 0.72rem;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .brightness-status {
    font-size: 0.58rem;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item {
    min-height: 70px;
    padding: 8px 6px;
    border-radius: 12px;
    background:
        linear-gradient(180deg, rgba(255, 252, 248, 0.08), rgba(255, 255, 255, 0.025)),
        rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 239, 219, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.05);
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item p,
body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-hint-text small {
    font-size: 0.5rem;
    line-height: 1.2;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item p {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item p strong {
    font-size: 0.56rem;
    font-weight: 700;
    color: var(--ui-text-main);
    letter-spacing: 0.04em;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item p small {
    font-size: 0.44rem;
    color: var(--ui-text-dim);
    line-height: 1.15;
    text-align: center;
}

body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-icon {
    width: 28px;
    height: 28px;
    margin: 0 auto 4px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    background: linear-gradient(135deg, rgba(244, 211, 165, 0.2), rgba(168, 197, 234, 0.16));
    color: var(--ui-accent-gold-strong);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

body[data-bundle-view="true"].platform-ipad .floorplan-wrapper,
body[data-bundle-view="true"].platform-ipad #floorplan-container {
    border-radius: 22px;
}

body[data-bundle-view="true"].platform-ipad .floorplan-wrapper {
    height: 100%;
}

body[data-bundle-view="true"].platform-ipad #floorplan-thumb {
    height: 100%;
    object-fit: cover;
}

body[data-bundle-view="true"].platform-ipad #floorplan-container .floorplan-overlay {
    padding: 10px 12px;
}

body[data-bundle-view="true"].platform-ipad #floorplan-container .floorplan-index {
    font-size: 0.9rem;
}

body[data-bundle-view="true"].platform-ipad #floorplan-container .floorplan-hint {
    font-size: 0.66rem;
}

body[data-bundle-view="true"].platform-ipad .gesture-item-action {
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

body[data-bundle-view="true"].platform-ipad .gesture-item-action:hover {
    border-color: rgba(242, 211, 164, 0.22);
    background:
        linear-gradient(180deg, rgba(255, 249, 240, 0.12), rgba(255, 255, 255, 0.035)),
        rgba(255, 255, 255, 0.05);
    box-shadow: 0 12px 22px rgba(0, 0, 0, 0.16);
}

body[data-bundle-view="true"].platform-ipad .gesture-item-action:active,
body[data-bundle-view="true"].platform-ipad .gesture-item-action.is-active {
    transform: scale(0.98);
    border-color: rgba(242, 211, 164, 0.28);
    background:
        linear-gradient(180deg, rgba(255, 249, 240, 0.1), rgba(255, 255, 255, 0.03)),
        rgba(255, 255, 255, 0.055);
}

body[data-bundle-view="true"].platform-ipad .bundle-quick-actions {
    margin-top: 8px;
}

body[data-bundle-view="true"].platform-ipad .bundle-quick-btn {
    width: 100%;
    min-height: 38px;
    border: 1px solid rgba(255, 239, 219, 0.14);
    border-radius: 14px;
    background:
        linear-gradient(180deg, rgba(255, 250, 243, 0.12), rgba(255, 255, 255, 0.025)),
        rgba(255, 255, 255, 0.04);
    color: var(--ui-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.68rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

body[data-bundle-view="true"].platform-ipad .bundle-quick-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(244, 201, 138, 0.22);
    color: var(--ui-accent-gold-strong);
    font-size: 0.66rem;
}

body[data-bundle-view="true"].platform-ipad .bundle-quick-copy {
    color: var(--ui-text-main);
}

@media (max-width: 980px) {
    body[data-bundle-view="true"].platform-ipad #sidebar-left {
        width: min(268px, calc(100vw - 24px));
        left: 12px;
        top: 12px;
        max-height: calc(100vh - 24px);
    }

    body[data-bundle-view="true"].platform-ipad #floorplan-container {
        right: 12px;
        width: min(260px, 34vw);
        min-width: 150px;
        height: 156px;
        bottom: 12px;
    }

    body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-guide {
        gap: 6px;
    }

    body[data-bundle-view="true"].platform-ipad #sidebar-left .gesture-item {
        min-height: 66px;
        padding: 7px 6px;
    }
}

body.platform-ipad .panel-content h2 {
    font-size: 1.16rem;
    margin-bottom: 8px;
}

body.platform-ipad .panel-lead {
    font-size: 0.68rem;
    margin-bottom: 8px;
    padding-bottom: 8px;
    line-height: 1.5;
}

body.platform-ipad .description {
    margin-bottom: 8px;
    padding: 8px 10px 10px;
    font-size: 0.72rem;
    line-height: 1.46;
}

body.platform-ipad .feature-item {
    min-height: 54px;
    padding: 8px 10px;
    border-radius: 13px;
}

body.platform-ipad .feature-icon {
    width: 26px;
    height: 26px;
    flex-basis: 26px;
    font-size: 0.82rem;
}

body.platform-ipad .feature-copy strong {
    font-size: 0.68rem;
}

body.platform-ipad .feature-copy small {
    font-size: 0.56rem;
    line-height: 1.34;
}

body.platform-ipad .panel-actions {
    margin-top: 8px;
    gap: 8px;
}

body.platform-ipad .panel-actions::before {
    margin-bottom: 6px;
}

body.platform-ipad .reset-btn,
body.platform-ipad .showcase-btn {
    min-height: 38px;
    padding: 10px 12px;
    font-size: 0.74rem;
}

body.platform-ipad .description::before {
    margin-bottom: 6px;
    padding: 3px 8px;
    font-size: 0.54rem;
}

body.has-session-userbar.platform-pc #panel-right {
    top: calc(var(--session-userbar-clear-bottom) + 14px);
    max-height: calc(100vh - var(--session-userbar-clear-bottom) - var(--ui-safe-top) - 14px);
}

body.has-session-userbar.platform-ipad #camera-view {
    top: calc(var(--session-userbar-clear-bottom) + 12px);
}

body.has-session-userbar.platform-ipad #floorplan-container {
    top: calc(var(--session-userbar-clear-bottom) + 12px);
}

body.has-session-userbar.platform-ipad #panel-right {
    top: calc(var(--session-userbar-clear-bottom) + var(--platform-ipad-floorplan-height) + 20px);
    max-height: calc(100vh - var(--session-userbar-clear-bottom) - var(--platform-ipad-floorplan-height) - 34px);
}

body.has-session-userbar.platform-ipad .gesture-hint {
    top: calc(var(--session-userbar-clear-bottom) + var(--platform-ipad-camera-height) * 2 + 36px);
}

@media (max-width: 1200px) {
    body.has-session-userbar.platform-pc #panel-right {
        top: calc(var(--session-userbar-clear-bottom) + 12px);
        max-height: calc(100vh - var(--session-userbar-clear-bottom) - var(--ui-safe-top) - 12px);
    }
}

.panorama-hotspot-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 90;
}

.panorama-hotspot-label {
    position: absolute;
    left: 0;
    top: 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1px solid rgba(227, 187, 119, 0.35);
    border-radius: 999px;
    padding: 7px 12px;
    background: rgba(12, 16, 24, 0.78);
    color: #f6dfb1;
    font-size: 11px;
    line-height: 1;
    white-space: nowrap;
    pointer-events: auto;
    cursor: pointer;
    backdrop-filter: blur(8px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
    animation: panoramaHotspotFloat 2.8s ease-in-out infinite;
}

.panorama-hotspot-label:hover {
    background: rgba(18, 24, 34, 0.9);
    transform: scale(1.03);
}

.panorama-hotspot-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #fff7d6, #e3bb77 55%, #b4832b 100%);
    box-shadow: 0 0 0 4px rgba(227, 187, 119, 0.15), 0 0 18px rgba(227, 187, 119, 0.45);
    flex: 0 0 auto;
    animation: panoramaHotspotPulse 1.8s ease-in-out infinite;
}

.panorama-hotspot-text {
    display: inline-block;
}

@keyframes panoramaHotspotPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 4px rgba(227, 187, 119, 0.15), 0 0 18px rgba(227, 187, 119, 0.45);
    }
    50% {
        transform: scale(1.18);
        box-shadow: 0 0 0 6px rgba(227, 187, 119, 0.12), 0 0 24px rgba(227, 187, 119, 0.58);
    }
}

@keyframes panoramaHotspotFloat {
    0%, 100% {
        margin-top: 0;
    }
    50% {
        margin-top: -4px;
    }
}

@media (max-width: 860px) {
    .panorama-hotspot-label {
        gap: 6px;
        padding: 6px 10px;
        font-size: 10px;
    }

    .panorama-hotspot-dot {
        width: 8px;
        height: 8px;
    }
}

.panorama-viewer-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at top, rgba(181, 141, 81, 0.14), transparent 34%),
        linear-gradient(180deg, rgba(3, 6, 11, 0.94), rgba(3, 6, 11, 0.98));
    z-index: 22000;
    backdrop-filter: blur(12px);
}

.panorama-viewer-overlay.is-visible {
    display: flex;
}

.panorama-viewer-shell {
    width: min(1280px, 100%);
    height: min(820px, calc(100vh - 48px));
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid rgba(227, 187, 119, 0.2);
    border-radius: 24px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(18, 24, 35, 0.96), rgba(6, 9, 15, 0.98)),
        linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 42%);
    box-shadow: 0 28px 96px rgba(0, 0, 0, 0.48);
}

.panorama-viewer-overlay.is-fullscreen,
.panorama-viewer-overlay.is-fullscreen-fallback {
    padding: 0;
}

.panorama-viewer-overlay.is-fullscreen .panorama-viewer-shell,
.panorama-viewer-overlay.is-fullscreen-fallback .panorama-viewer-shell {
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
}

.panorama-viewer-head,
.panorama-viewer-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(14px);
}

.panorama-viewer-head {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.panorama-viewer-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.panorama-viewer-eyebrow {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.24em;
    color: rgba(227, 187, 119, 0.72);
}

.panorama-viewer-hint,
.panorama-viewer-foot-copy {
    color: rgba(243, 246, 251, 0.68);
    font-size: 13px;
    line-height: 1.5;
    text-align: right;
}

.panorama-viewer-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #f3f6fb;
}

.panorama-viewer-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    background:
        radial-gradient(circle at center, rgba(35, 46, 61, 0.14), transparent 34%),
        #05070b;
}

.panorama-viewer-stage canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.panorama-viewer-status {
    position: absolute;
    left: 18px;
    bottom: 18px;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid rgba(227, 187, 119, 0.24);
    background: rgba(8, 12, 18, 0.74);
    color: #f3f6fb;
    font-size: 12px;
    pointer-events: none;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.panorama-viewer-foot {
    position: absolute;
    right: max(22px, env(safe-area-inset-right, 0px) + 18px);
    bottom: max(22px, env(safe-area-inset-bottom, 0px) + 18px);
    left: auto;
    padding: 0;
    background: none;
    backdrop-filter: none;
    border: 0;
    pointer-events: none;
}

.panorama-viewer-foot-copy {
    display: none;
}

.panorama-viewer-exit {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    padding: 0 18px;
    border: 1px solid rgba(235, 198, 133, 0.28);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(17, 22, 31, 0.92), rgba(8, 11, 17, 0.96)),
        rgba(8, 11, 17, 0.92);
    color: #f7f8fb;
    cursor: pointer;
    pointer-events: auto;
    box-shadow:
        0 18px 36px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.panorama-viewer-exit:hover {
    transform: translateY(-1px);
    border-color: rgba(235, 198, 133, 0.46);
    box-shadow:
        0 22px 42px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.panorama-viewer-exit:active {
    transform: translateY(0);
}

.panorama-viewer-exit-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.panorama-viewer-exit-shortcut {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(247, 248, 251, 0.84);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.panorama-viewer-overlay[data-platform='pad'] .panorama-viewer-exit {
    min-height: 58px;
    padding: 0 20px;
}

.panorama-viewer-overlay[data-platform='pad'] .panorama-viewer-hint {
    max-width: 240px;
}

@media (max-width: 860px) {
    .panorama-viewer-overlay {
        padding: 0;
    }

    .panorama-viewer-shell {
        width: 100%;
        height: 100%;
        border: 0;
        border-radius: 0;
    }

    .panorama-viewer-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding: 16px 16px 12px;
    }

    .panorama-viewer-hint {
        text-align: left;
        max-width: none;
    }

    .panorama-viewer-foot {
        right: max(14px, env(safe-area-inset-right, 0px) + 10px);
        bottom: max(14px, env(safe-area-inset-bottom, 0px) + 10px);
    }

    .panorama-viewer-exit {
        min-height: 56px;
        padding: 0 18px;
    }
}

.bundle-quick-actions {
    margin-top: 10px;
}

.bundle-quick-btn {
    width: 100%;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(255, 239, 219, 0.14);
    border-radius: 14px;
    background:
        linear-gradient(180deg, rgba(255, 250, 243, 0.12), rgba(255, 255, 255, 0.025)),
        rgba(255, 255, 255, 0.04);
    color: var(--ui-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.74rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.bundle-quick-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(242, 211, 164, 0.24);
}

.bundle-quick-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(244, 201, 138, 0.22);
    color: var(--ui-accent-gold-strong);
    font-size: 0.66rem;
}

.bundle-quick-copy {
    color: var(--ui-text-main);
}

body.platform-mobile {
    --ui-safe-top: max(12px, env(safe-area-inset-top, 0px) + 8px);
    --ui-safe-side: max(12px, env(safe-area-inset-left, 0px) + 12px);
    --ui-mobile-bottom-safe: max(12px, env(safe-area-inset-bottom, 0px) + 12px);
    --ui-panel-gap: 10px;
    --ui-panel-padding: 12px;
    --ui-section-padding: 10px;
    --ui-mobile-top-panel-max: min(24vh, 192px);
    --ui-mobile-bottom-panel-max: min(28vh, 244px);
    --ui-mobile-floorplan-width: min(148px, 38vw);
    --ui-mobile-floorplan-height: 104px;
}

body.platform-mobile #sidebar-left {
    top: auto;
    left: var(--ui-safe-side);
    right: var(--ui-safe-side);
    bottom: var(--ui-mobile-bottom-safe);
    width: auto;
    max-height: none;
    padding: 8px;
    overflow: hidden;
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(24, 24, 27, 0.88), rgba(14, 15, 19, 0.92)),
        rgba(15, 16, 19, 0.88);
}

body.platform-mobile #sidebar-left > .panel-toggle-btn,
body.platform-mobile #floorplan-container > .panel-toggle-btn {
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
}

body.platform-mobile #sidebar-left.panel-collapsed,
body.platform-mobile #floorplan-container.panel-collapsed {
    width: 46px !important;
    min-width: 46px;
    height: 46px !important;
    min-height: 46px;
    max-height: 46px;
    padding: 8px;
}

body.platform-mobile #sidebar-left::after {
    display: none;
}

body.platform-mobile #sidebar-left .app-brand-section {
    flex-direction: row;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
}

body.platform-mobile #sidebar-left .app-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 12px;
}

body.platform-mobile #sidebar-left .nav-links {
    width: auto;
    margin-top: 0;
}

body.platform-mobile #sidebar-left .nav-link-btn {
    min-height: 30px;
    padding: 7px 10px;
    font-size: 0.66rem;
}

body.platform-mobile #sidebar-left .sidebar-section {
    margin-bottom: 6px;
    padding: 9px 10px;
}

body.platform-mobile #sidebar-left .sidebar-section:last-child {
    margin-bottom: 0;
}

body.platform-mobile #sidebar-left .sidebar-section h3 {
    margin-bottom: 6px;
    font-size: 0.64rem;
}

body.platform-mobile #sidebar-left .style-switcher {
    gap: 5px;
    max-height: none;
}

body.platform-mobile #sidebar-left .style-switcher-tag {
    min-height: 30px;
    padding: 0 10px;
    font-size: 0.66rem;
}

body.platform-mobile #sidebar-left .brightness-control {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
}

body.platform-mobile #sidebar-left .brightness-level-btn {
    min-height: 28px;
    border-radius: 9px;
    font-size: 0.66rem;
}

body.platform-mobile #sidebar-left .brightness-status {
    font-size: 0.58rem;
}

body.platform-mobile #sidebar-left .gesture-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
}

body.platform-mobile #sidebar-left .gesture-item {
    min-height: 60px;
    padding: 6px 5px;
    border-radius: 12px;
}

body.platform-mobile #sidebar-left .gesture-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
    font-size: 0.68rem;
}

body.platform-mobile #sidebar-left .gesture-item p {
    font-size: 0.52rem;
    line-height: 1.2;
}

body.platform-mobile #sidebar-left .gesture-hint-text small {
    font-size: 0.52rem;
}

body.platform-mobile #panel-right {
    top: var(--ui-safe-top);
    left: var(--ui-safe-side);
    right: var(--ui-safe-side);
    bottom: auto;
    width: auto;
    max-height: var(--ui-mobile-top-panel-max);
    padding: 10px 11px 12px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
    border-radius: 22px;
}

body.platform-mobile #panel-right::-webkit-scrollbar {
    display: none;
}

body.platform-mobile #panel-right .panel-content::after {
    width: 56px;
    height: 56px;
    opacity: 0.34;
}

body.platform-mobile #panel-right .panel-eyebrow {
    margin-bottom: 8px;
    padding: 4px 8px;
    font-size: 0.56rem;
    letter-spacing: 0.16em;
}

body.platform-mobile #panel-right .panel-content h2 {
    font-size: 0.98rem;
    margin-bottom: 6px;
}

body.platform-mobile #panel-right .panel-content h2::after {
    width: 42px;
    margin-top: 8px;
}

body.platform-mobile #panel-right .panel-lead {
    font-size: 0.66rem;
    margin-bottom: 7px;
    padding-bottom: 7px;
    line-height: 1.42;
    letter-spacing: 0.02em;
}

body.platform-mobile #panel-right .description {
    margin-bottom: 7px;
    padding: 7px 9px 8px;
    font-size: 0.64rem;
    line-height: 1.42;
}

body.platform-mobile #panel-right .description::before {
    margin-bottom: 6px;
    padding: 3px 8px;
    font-size: 0.52rem;
    letter-spacing: 0.14em;
}

body.platform-mobile #panel-right .description p {
    max-width: none;
}

body.platform-mobile #panel-right .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
}

body.platform-mobile #panel-right .feature-item {
    min-height: 44px;
    padding: 7px 8px;
    gap: 7px;
}

body.platform-mobile #panel-right .feature-icon {
    width: 22px;
    height: 22px;
    flex-basis: 22px;
    font-size: 0.64rem;
    border-radius: 9px;
}

body.platform-mobile #panel-right .feature-copy strong {
    font-size: 0.6rem;
}

body.platform-mobile #panel-right .feature-copy small {
    font-size: 0.5rem;
    line-height: 1.24;
}

body.platform-mobile #panel-right .panel-actions {
    margin-top: 8px;
    gap: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.platform-mobile #panel-right .panel-actions::before {
    margin-bottom: 6px;
    grid-column: 1 / -1;
}

body.platform-mobile #panel-right .reset-btn,
body.platform-mobile #panel-right .showcase-btn {
    min-width: 0;
    min-height: 34px;
    padding: 8px 10px;
    font-size: 0.64rem;
    letter-spacing: 0.03em;
}

body.platform-mobile #floorplan-container {
    left: auto;
    right: var(--ui-safe-side);
    top: var(--ui-safe-top);
    bottom: auto;
    width: var(--ui-mobile-floorplan-width);
    height: var(--ui-mobile-floorplan-height);
    border-radius: 18px;
    z-index: 7;
}

body.platform-mobile .floorplan-wrapper,
body.platform-mobile #floorplan-container {
    border-radius: 18px;
}

body.platform-mobile #floorplan-container::before {
    top: 8px;
    left: 8px;
    padding: 4px 8px;
    font-size: 0.54rem;
}

body.platform-mobile #floorplan-container::after {
    inset: 8px;
    border-radius: 10px;
}

body.platform-mobile #floorplan-container .floorplan-overlay {
    padding: 7px 8px;
}

body.platform-mobile #floorplan-container .floorplan-index {
    font-size: 0.64rem;
}

body.platform-mobile #floorplan-container .floorplan-hint {
    font-size: 0.5rem;
}

body.platform-mobile #camera-view,
body.platform-mobile .gesture-hint {
    display: none;
}

body.platform-mobile .bundle-quick-actions {
    margin-top: 8px;
}

body.platform-mobile .bundle-quick-btn {
    min-height: 34px;
    font-size: 0.62rem;
}

body.platform-mobile .bundle-quick-index {
    min-width: 20px;
    height: 20px;
}

body.platform-mobile #sidebar-left[data-fit-level="1"] .gesture-item {
    min-height: 54px;
}

body.platform-mobile #sidebar-left[data-fit-level="2"],
body.platform-mobile #sidebar-left[data-fit-level="3"],
body.platform-mobile #sidebar-left[data-fit-level="4"] {
    max-height: min(22vh, 188px);
}

body.platform-mobile #sidebar-left[data-fit-level="2"] .gesture-item,
body.platform-mobile #sidebar-left[data-fit-level="3"] .gesture-item,
body.platform-mobile #sidebar-left[data-fit-level="4"] .gesture-item {
    min-height: 48px;
    padding: 5px 4px;
}

body.platform-mobile #sidebar-left[data-fit-level="2"] .gesture-icon,
body.platform-mobile #sidebar-left[data-fit-level="3"] .gesture-icon,
body.platform-mobile #sidebar-left[data-fit-level="4"] .gesture-icon {
    width: 20px;
    height: 20px;
    margin-bottom: 3px;
    font-size: 0.6rem;
}

body.platform-mobile #sidebar-left[data-fit-level="2"] .gesture-item p,
body.platform-mobile #sidebar-left[data-fit-level="3"] .gesture-item p,
body.platform-mobile #sidebar-left[data-fit-level="4"] .gesture-item p,
body.platform-mobile #sidebar-left[data-fit-level="2"] .gesture-hint-text small,
body.platform-mobile #sidebar-left[data-fit-level="3"] .gesture-hint-text small,
body.platform-mobile #sidebar-left[data-fit-level="4"] .gesture-hint-text small {
    font-size: 0.48rem;
    line-height: 1.16;
}

body.platform-mobile #sidebar-left[data-fit-level="2"] .gesture-hint-text,
body.platform-mobile #sidebar-left[data-fit-level="3"] .gesture-hint-text,
body.platform-mobile #sidebar-left[data-fit-level="4"] .gesture-hint-text,
body.platform-mobile #sidebar-left[data-fit-level="3"] .bundle-quick-actions,
body.platform-mobile #sidebar-left[data-fit-level="4"] .bundle-quick-actions {
    display: none;
}

body.platform-mobile #panel-right[data-fit-level="2"] .panel-lead,
body.platform-mobile #panel-right[data-fit-level="3"] .panel-lead,
body.platform-mobile #panel-right[data-fit-level="4"] .panel-lead {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

body.platform-mobile #panel-right[data-fit-level="2"] .features,
body.platform-mobile #panel-right[data-fit-level="3"] .features,
body.platform-mobile #panel-right[data-fit-level="4"] .features {
    display: none;
}

body.platform-mobile #panel-right[data-fit-level="3"] .description,
body.platform-mobile #panel-right[data-fit-level="4"] .description {
    display: none;
}

body.platform-mobile #panel-right[data-fit-level="4"] .panel-actions {
    grid-template-columns: 1fr;
}

@media (orientation: portrait) and (max-width: 860px) {
    body.platform-mobile {
        --ui-mobile-top-panel-max: min(22vh, 176px);
        --ui-mobile-bottom-panel-max: min(27vh, 228px);
        --ui-mobile-floorplan-width: min(144px, 36vw);
        --ui-mobile-floorplan-height: 98px;
    }
}

@media (orientation: landscape) and (max-width: 960px) {
    body.platform-mobile {
        --ui-mobile-top-panel-max: min(46vh, 194px);
        --ui-mobile-bottom-panel-max: min(42vh, 236px);
        --ui-mobile-floorplan-width: min(136px, 20vw);
        --ui-mobile-floorplan-height: min(96px, 22vh);
    }

    body.platform-mobile #sidebar-left {
        top: var(--ui-safe-top);
        bottom: auto;
        left: var(--ui-safe-side);
        right: auto;
        width: min(25vw, 232px);
        padding: 6px;
        background:
            linear-gradient(180deg, rgba(23, 23, 27, 0.8), rgba(13, 14, 18, 0.86)),
            rgba(13, 14, 18, 0.82);
    }

    body.platform-mobile #sidebar-left .app-brand-section {
        gap: 6px;
        padding: 6px 7px;
    }

    body.platform-mobile #sidebar-left .app-brand-logo {
        width: 28px;
        height: 28px;
    }

    body.platform-mobile #sidebar-left .nav-link-btn,
    body.platform-mobile #sidebar-left .style-switcher-tag,
    body.platform-mobile #sidebar-left .brightness-level-btn {
        min-height: 26px;
        font-size: 0.58rem;
    }

    body.platform-mobile #sidebar-left .sidebar-section {
        margin-bottom: 4px;
        padding: 6px 7px;
    }

    body.platform-mobile #sidebar-left .sidebar-section h3 {
        margin-bottom: 4px;
        font-size: 0.56rem;
    }

    body.platform-mobile #sidebar-left .brightness-control {
        gap: 3px;
    }

    body.platform-mobile #sidebar-left .brightness-status {
        font-size: 0.54rem;
    }

    body.platform-mobile #floorplan-container {
        top: calc(var(--ui-safe-top) + 2px);
        right: var(--ui-safe-side);
    }
}

@media (max-width: 420px) {
    body.platform-mobile {
        --ui-mobile-top-panel-max: min(21vh, 168px);
        --ui-mobile-bottom-panel-max: min(26vh, 210px);
        --ui-mobile-floorplan-width: min(132px, 34vw);
    }
}