* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #1a1a2e;
    color: #fff;
    overflow: hidden;
    transition: background 0.3s, color 0.3s;
}

.app-loading-route body {
    background: #666666;
}

.app-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #666666;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.app-loading-route .app-loading-overlay,
.app-loading-overlay.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.app-loading-overlay.is-leaving {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.app-loading-spinner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.32);
    border-top-color: #ffffff;
    animation: app-loading-spin 0.78s linear infinite;
}

@keyframes app-loading-spin {
    to {
        transform: rotate(360deg);
    }
}

.landing-screen {
    position: fixed;
    inset: 0;
    z-index: 1200;
    overflow: auto;
    background:
        radial-gradient(circle at top left, rgba(215, 202, 171, 0.28), transparent 28%),
        linear-gradient(180deg, #faf8f4 0%, #f4f0e8 100%);
    color: #171717;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.landing-screen.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.landing-screen.is-entering {
    cursor: progress;
}

.landing-shell {
    min-height: 100vh;
    padding: 20px 28px 40px;
}

.landing-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.landing-topbar-actions {
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

.landing-logo {
    width: 180px;
    height: auto;
    object-fit: contain;
}

.landing-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    background: transparent;
    color: #141414;
    font-size: 18px;
    cursor: pointer;
}

.landing-login svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.language-switcher {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.language-switcher-trigger {
    position: relative;
}

.language-switcher-trigger::after {
    content: "";
    width: 0;
    height: 0;
    margin-left: 8px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform 0.2s ease;
}

.language-switcher[data-lang-switcher-open="true"] .language-switcher-trigger::after {
    transform: rotate(180deg);
}

.language-switcher-menu {
    min-width: 148px;
}

.language-switcher-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.language-switcher-item.is-active {
    background: rgba(20, 39, 91, 0.12);
    color: #14275b;
    font-weight: 600;
}

.landing-main {
    min-height: calc(100vh - 88px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.series-grid {
    width: min(1480px, calc(100% - 72px));
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 28px;
    align-items: start;
}

.series-card {
    border: none;
    background: transparent;
    text-align: center;
    cursor: pointer;
    color: inherit;
    min-width: 0;
}

.series-card-title {
    display: block;
    margin-bottom: 14px;
    font-size: clamp(15px, 1.15vw, 22px);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.series-card-image {
    display: block;
    overflow: hidden;
    background: #e7e0d5;
    box-shadow: 0 18px 44px rgba(31, 24, 12, 0.12);
}

.series-card-image img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 5;
    object-fit: cover;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.series-card:hover .series-card-image img,
.series-card:focus-visible .series-card-image img {
    transform: scale(1.03);
}

.series-card:focus-visible {
    outline: none;
}

.series-card:focus-visible .series-card-title {
    text-decoration: underline;
    text-underline-offset: 6px;
}

.series-card.is-disabled {
    cursor: default;
}

.series-card.is-disabled .series-card-image img {
    filter: saturate(0.92);
}

@media (max-width: 1280px) {
    .app-header-actions {
        gap: 8px;
    }

    .header-action-btn span {
        display: none;
    }

    .header-action-btn.language-switcher-trigger span {
        display: inline;
    }

    .landing-main {
        align-items: flex-start;
        padding-top: 60px;
    }

    .series-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .landing-shell {
        padding: 18px 18px 32px;
    }

    .landing-logo {
        width: 140px;
    }

    .landing-login {
        font-size: 16px;
    }

    .member-scheme-toolbar {
        grid-template-columns: 1fr;
    }

    .member-scheme-toolbar-actions {
        justify-content: stretch;
    }

    .member-scheme-toolbar-actions > button {
        flex: 1 1 0;
    }

    .member-code-row {
        grid-template-columns: 1fr;
    }

    .series-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .landing-main {
        padding-top: 40px;
    }

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

    .series-card-title {
        font-size: 28px;
    }
}

/* 白色背景主题 */
body.light-theme {
    background: #ffffff;
    color: #333;
}

body.light-theme header {
    background: #f5f5f5;
    border-bottom-color: #ddd;
}

body.light-theme .logo {
    color: #e94560;
}

body.light-theme .control-panel {
    background: #f5f5f5;
    border-right-color: #ddd;
    color: #333;
}

body.light-theme .panel-title {
    color: #e94560;
    border-bottom-color: #ddd;
}

body.light-theme .option-btn {
    border-color: #ddd;
    color: #333;
}

body.light-theme .option-btn:hover,
body.light-theme .option-btn.active {
    background: #e94560;
    border-color: #e94560;
    color: #fff;
}

body.light-theme .luminaire-item {
    background: #e8e8e8;
    color: #333;
}

body.light-theme .luminaire-item:hover {
    background: #d0d0d0;
}

body.light-theme .luminaire-desc {
    color: #666;
}

body.light-theme .info-panel {
    background: rgba(245, 245, 245, 0.95);
    border-color: #ddd;
    color: #333;
}

body.light-theme .info-label {
    color: #666;
}

body.light-theme .view-btn {
    background: #e8e8e8;
    color: #333;
}

body.light-theme .view-btn.active {
    background: #e94560;
    color: #fff;
}

body.light-theme .view-btn:hover {
    background: #e94560;
    color: #fff;
}

body.light-theme .btn-reset {
    background: #e8e8e8;
    color: #333;
}

body.light-theme .track-option {
    border-color: #ddd;
    background: #f9f9f9;
}

body.light-theme .track-option:hover,
body.light-theme .track-option.active {
    border-color: #e94560;
    background: #fff;
}

body.light-theme .track-option svg {
    stroke: #333;
}

body.light-theme .context-menu {
    background: #f5f5f5;
    border-color: #ddd;
    color: #333;
}

body.light-theme .canvas-container.is-2d-split::after {
    background: rgba(0, 0, 0, 0.14);
}

body.light-theme .canvas-container.is-2d3d-split::before {
    background: rgba(0, 0, 0, 0.14);
}

body.light-theme .view-2d-label {
    background: transparent;
    border-color: transparent;
    color: #333;
    box-shadow: none;
}

body.light-theme .context-menu-item:hover {
    background: #e94560;
    color: #fff;
}

body.light-theme .track-light-action-bar {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

body.light-theme .track-light-action-btn {
    background: #f3f3f3;
    color: #333;
}

body.light-theme .track-light-action-btn:hover {
    background: #e94560;
    color: #fff;
}

/* 头部 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #16213e;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
    border-bottom: 1px solid #0f3460;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #e94560;
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    padding: 8px 20px;
    border: none;
    background: #0f3460;
    color: #fff;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.view-btn.active {
    background: #e94560;
}

.view-btn:hover {
    background: #e94560;
}

.workspace-color-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.workspace-color-tool-btn {
    min-width: 126px;
}

.workspace-color-tool-icon {
    position: relative;
}

.workspace-color-swatch {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #666666;
    border: 2px solid rgba(255, 255, 255, 0.75);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.18);
    flex-shrink: 0;
}

.workspace-color-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

/* 主容器 */
.container {
    display: flex;
    height: 100vh;
    padding-top: 60px;
}

/* 左侧控制面板 */
.control-panel {
    width: 280px;
    background: #16213e;
    padding: 20px;
    overflow-y: auto;
    border-right: 1px solid #0f3460;
}

.panel-section {
    margin-bottom: 25px;
}

.panel-title {
    font-size: 14px;
    color: #e94560;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid #0f3460;
    padding-bottom: 8px;
}

.option-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.option-btn {
    padding: 10px 15px;
    border: 1px solid #0f3460;
    background: transparent;
    color: #fff;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    font-size: 12px;
}

.option-btn:hover, .option-btn.active {
    background: #e94560;
    border-color: #e94560;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.color-option:hover, .color-option.active {
    border-color: #e94560;
    transform: scale(1.1);
}

.color-black { background: #1a1a1a; }
.color-white { background: #f5f5f5; }
.color-gold { background: #d4af37; }

/* 灯具列表 */
.luminaire-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.luminaire-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #0f3460;
    border-radius: 8px;
    cursor: grab;
    transition: all 0.3s;
    user-select: none;
}

.luminaire-item:hover {
    background: #1a4a7a;
    transform: translateX(5px);
}

.luminaire-item:active {
    cursor: grabbing;
}

.luminaire-icon {
    width: 40px;
    height: 40px;
    background: #e94560;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.luminaire-info {
    flex: 1;
}

.luminaire-name {
    font-weight: bold;
    font-size: 14px;
}

.luminaire-desc {
    font-size: 11px;
    color: #888;
}

.luminaire-empty {
    padding: 14px 12px;
    border: 1px dashed rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: #aeb9d6;
    font-size: 12px;
    line-height: 1.6;
}

/* 3D画布容器 */
.canvas-container {
    flex: 1;
    position: relative;
    --two-d-split-top: 58%;
    background: #666666;
    transition: background-color 0.2s ease;
}

.workspace-loading-overlay {
    position: absolute;
    inset: 0;
    z-index: 11;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: rgba(124, 123, 120, 0.48);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.workspace-loading-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.workspace-loading-spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.28);
    border-top-color: #ffffff;
    animation: app-loading-spin 0.78s linear infinite;
}

.workspace-loading-text {
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(23, 28, 39, 0.72);
    color: #ffffff;
    font-size: 13px;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.track-light-action-bar {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 999px;
    background: rgba(13, 20, 34, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
    transform: translate(-50%, calc(-100% - 18px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 12;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}

.track-light-action-bar.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.track-light-action-bar.is-modular-actions {
    transform: translate(-50%, calc(-100% - 4px));
}

.track-light-action-btn {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    background: #24324c;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.track-light-action-btn:hover {
    background: #e94560;
    transform: translateY(-1px);
}

.track-light-action-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.modular-wire-length-panel {
    position: absolute;
    left: 50%;
    bottom: 108px;
    width: min(360px, calc(100% - 24px));
    padding: 16px;
    border: 1px solid rgba(20, 39, 91, 0.16);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 20px 44px rgba(14, 20, 40, 0.18);
    backdrop-filter: blur(16px);
    transform: translateX(-50%) translateY(12px);
    opacity: 0;
    pointer-events: none;
    z-index: 13;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.modular-wire-length-panel.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.modular-wire-length-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modular-wire-length-panel-title {
    font-size: 16px;
    font-weight: 700;
    color: #112557;
}

.modular-wire-length-panel-close {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(20, 39, 91, 0.12);
    border-radius: 50%;
    background: rgba(20, 39, 91, 0.04);
    color: #15306b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.modular-wire-length-panel-close:hover {
    transform: translateY(-1px);
    border-color: rgba(20, 39, 91, 0.24);
    background: rgba(20, 39, 91, 0.08);
}

.modular-wire-length-panel-hint {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
    color: #667085;
}

.modular-wire-length-form {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modular-wire-length-input-wrap {
    flex: 1 1 auto;
    min-width: 0;
    position: relative;
}

.modular-wire-length-input {
    width: 100%;
    height: 44px;
    padding: 0 42px 0 14px;
    border: 1px solid rgba(20, 39, 91, 0.16);
    border-radius: 14px;
    background: #ffffff;
    color: #112557;
    font-size: 15px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.modular-wire-length-input:focus {
    border-color: rgba(20, 39, 91, 0.48);
    box-shadow: 0 0 0 4px rgba(20, 39, 91, 0.08);
}

.modular-wire-length-unit {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    font-size: 13px;
    font-weight: 700;
    color: #667085;
    pointer-events: none;
}

.modular-wire-length-apply-btn {
    flex: 0 0 auto;
    min-width: 74px;
    height: 44px;
    padding: 0 16px;
    border: none;
    border-radius: 14px;
    background: #17306d;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.modular-wire-length-apply-btn:hover {
    transform: translateY(-1px);
    background: #10265b;
    box-shadow: 0 12px 24px rgba(23, 48, 109, 0.22);
}

.modular-wire-length-status {
    min-height: 18px;
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.5;
    color: #667085;
}

.modular-wire-length-status.is-error {
    color: #b42318;
}

.canvas-container.is-2d-split::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: var(--two-d-split-top);
    height: 1px;
    background: rgba(255, 255, 255, 0.22);
    pointer-events: none;
    z-index: 2;
}

.canvas-container.is-2d3d-split::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--combined-2d-width);
    width: 1px;
    background: rgba(255, 255, 255, 0.22);
    pointer-events: none;
    z-index: 2;
}

#canvas3d {
    width: 100%;
    height: 100%;
    display: block;
    outline: none;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.view-2d-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    display: none;
}

.view-2d-overlay.active {
    display: block;
}

.view-2d-label {
    position: absolute;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: 0;
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: none;
    box-shadow: none;
    display: none !important;
}

.view-2d-overlay.active .view-2d-label {
    display: none !important;
}

/* 信息面板 */
.info-panel {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(22, 33, 62, 0.9);
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid #0f3460;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.info-label {
    color: #888;
    font-size: 12px;
}

.info-value {
    color: #e94560;
    font-weight: bold;
}



/* 提示信息 */
.tooltip {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(233, 69, 96, 0.9);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.tooltip.show {
    opacity: 1;
}

.track-light-pickup-panel {
    position: absolute;
    top: 50%;
    right: 26px;
    width: 176px;
    padding: 16px 16px 14px;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.98);
    color: #1f1f1f;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transform: translateY(-50%);
    display: none;
    z-index: 6;
}

.track-light-pickup-panel.show {
    display: block;
}

.track-light-pickup-close {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #707070;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.track-light-pickup-title {
    margin-right: 20px;
    font-size: 12px;
    line-height: 1.35;
    font-weight: 700;
    color: #1f1f1f;
}

.track-light-pickup-name {
    margin-top: 6px;
    font-size: 11px;
    color: #7a7a7a;
    word-break: break-word;
}

.track-light-pickup-dragger {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-top: 12px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    cursor: grab;
}

.track-light-pickup-dragger:active {
    cursor: grabbing;
}

.track-light-pickup-canvas {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.track-light-modal[hidden] {
    display: none;
}

.track-light-modal {
    position: absolute;
    inset: 0;
    z-index: 14;
    pointer-events: auto;
}

.track-light-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 10, 18, 0.52);
    backdrop-filter: blur(4px);
    pointer-events: auto;
}

.track-light-modal-dialog {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(720px, calc(100vw - 56px));
    min-height: 320px;
    padding: 24px 26px 24px;
    background: rgba(255, 255, 255, 0.98);
    color: #171717;
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.28);
    transform: translate(-50%, -50%);
    pointer-events: auto;
}

.track-light-modal-close {
    position: absolute;
    top: 16px;
    right: 18px;
    border: none;
    background: transparent;
    color: #2b2b2b;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}

.track-light-modal-header {
    margin-bottom: 18px;
}

.track-light-modal-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: #1c3682;
}

.track-light-modal-title {
    margin-top: 8px;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.track-light-modal-subtitle {
    margin-top: 6px;
    color: #687187;
    font-size: 12px;
}

.track-light-modal-body {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
}

.member-modal[hidden] {
    display: none;
}

.member-modal {
    position: fixed;
    inset: 0;
    z-index: 1400;
    pointer-events: auto;
}

.member-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 10, 18, 0.54);
    backdrop-filter: blur(6px);
    pointer-events: auto;
}

.member-modal-dialog {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(720px, calc(100vw - 36px));
    padding: 28px 30px;
    background: rgba(255, 255, 255, 0.98);
    color: #171717;
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.28);
    border-radius: 8px;
    pointer-events: auto;
}

.member-auth-dialog {
    width: min(520px, calc(100vw - 36px));
}

.member-scheme-dialog {
    display: flex;
    flex-direction: column;
    max-height: min(82vh, 860px);
}

.member-confirm-dialog {
    width: min(460px, calc(100vw - 36px));
}

.member-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(17, 24, 38, 0.08);
    border-radius: 999px;
    background: rgba(247, 248, 251, 0.96);
    color: #2b2b2b;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.member-modal-header {
    margin-bottom: 22px;
}

.member-scheme-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-right: 52px;
}

.member-modal-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: #1c3682;
}

.member-modal-title {
    margin-top: 10px;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.member-modal-subtitle {
    margin-top: 8px;
    color: #687187;
    font-size: 13px;
}

.member-modal-form {
    display: grid;
    gap: 16px;
}

.member-field {
    display: grid;
    gap: 8px;
    font-size: 13px;
    color: #3d4456;
}

.member-input {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    border: 1px solid rgba(17, 24, 38, 0.14);
    background: #ffffff;
    color: #171717;
    outline: none;
}

.member-input:focus {
    border-color: rgba(31, 60, 147, 0.42);
}

.member-code-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 12px;
    align-items: end;
}

.member-primary-btn,
.member-secondary-btn,
.member-text-btn,
.member-scheme-item-btn {
    height: 42px;
    border: 1px solid rgba(17, 24, 38, 0.14);
    background: #ffffff;
    color: #14275b;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.member-primary-btn {
    border-color: #14275b;
    background: #14275b;
    color: #ffffff;
}

.member-primary-btn:hover,
.member-secondary-btn:hover,
.member-text-btn:hover,
.member-scheme-item-btn:hover {
    border-color: rgba(31, 60, 147, 0.38);
}

.member-primary-btn:disabled,
.member-secondary-btn:disabled,
.member-text-btn:disabled,
.member-scheme-item-btn:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

.member-text-btn {
    padding: 0 12px;
}

.member-modal-status {
    min-height: 18px;
    font-size: 13px;
    color: #687187;
}

.member-modal-status[data-status="error"] {
    color: #b42318;
}

.member-scheme-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 14px;
    padding: 16px 18px;
    border: 1px solid rgba(17, 24, 38, 0.08);
    border-radius: 8px;
    background: rgba(247, 248, 251, 0.92);
}

.member-scheme-name-field {
    min-width: 0;
}

.member-scheme-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.member-scheme-list {
    flex: 1 1 auto;
    min-height: 0;
    max-height: 420px;
    overflow: auto;
    display: grid;
    gap: 10px;
    padding-right: 2px;
}

.member-scheme-item {
    padding: 16px 18px;
    border: 1px solid rgba(17, 24, 38, 0.1);
    background: rgba(247, 248, 251, 0.96);
    border-radius: 8px;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.member-scheme-item:hover {
    border-color: rgba(20, 39, 91, 0.18);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.member-scheme-item.is-active {
    border-color: rgba(20, 39, 91, 0.4);
    background: rgba(20, 39, 91, 0.06);
}

.member-scheme-item-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.member-scheme-item-title {
    font-size: 15px;
    font-weight: 600;
    color: #101828;
}

.member-scheme-item-type,
.member-scheme-item-meta {
    font-size: 12px;
    color: #667085;
}

.member-scheme-item-meta {
    margin-top: 8px;
}

.member-scheme-item-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    justify-content: flex-end;
}

.member-scheme-item-btn {
    min-width: 72px;
    padding: 0 14px;
}

.member-confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 6px;
}

.member-confirm-actions .member-secondary-btn,
.member-confirm-actions .member-primary-btn {
    min-width: 124px;
    padding: 0 18px;
}

.member-scheme-item-btn.is-danger {
    color: #b42318;
}

.member-scheme-empty {
    padding: 30px 14px;
    border: 1px dashed rgba(17, 24, 38, 0.14);
    text-align: center;
    color: #667085;
    background: rgba(247, 248, 251, 0.82);
}

.track-light-modal-preview {
    min-height: 196px;
    padding: 16px;
    border: 1px solid rgba(28, 54, 130, 0.16);
    background: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.track-light-modal-preview-media {
    flex: 1;
    min-height: 132px;
    border: 1px solid rgba(28, 54, 130, 0.12);
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    box-shadow: none;
}

.track-light-modal-preview-image {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    background: #ffffff;
    object-fit: contain;
    filter: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
}

.track-light-modal-preview-empty {
    padding: 0 16px;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: #79829b;
    text-align: center;
    background: #ffffff;
}

.track-light-modal-preview-code {
    font-size: 36px;
    font-weight: 700;
    color: #1c3682;
    line-height: 1;
}

.track-light-modal-preview-note {
    margin-top: 4px;
    font-size: 12px;
    letter-spacing: 0.14em;
    color: #79829b;
}

.track-light-modal-grid {
    display: grid;
    gap: 14px;
}

.track-light-modal-note {
    min-height: 72px;
    padding: 12px 14px;
    border: 1px solid rgba(17, 24, 38, 0.12);
    background: #ffffff;
    display: grid;
    gap: 8px;
    align-content: start;
}

.track-light-modal-note-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: #4f5870;
    text-transform: lowercase;
}

.track-light-modal-note-text {
    min-height: 18px;
    color: #4f5870;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-line;
}

.track-light-modal-group {
    display: grid;
    gap: 8px;
}

.track-light-modal [hidden] {
    display: none !important;
}

.track-light-modal-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: #1c3682;
}

.track-light-modal-current,
.track-light-modal-option {
    min-width: 112px;
    padding: 11px 16px;
    border: 1px solid rgba(28, 54, 130, 0.2);
    background: #ffffff;
    font-size: 13px;
    color: #202536;
}

.track-light-modal-current {
    display: inline-flex;
    align-items: center;
    border-color: rgba(28, 54, 130, 0.5);
    box-shadow: inset 0 0 0 1px rgba(28, 54, 130, 0.08);
}

.track-light-modal-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.track-light-modal-empty {
    min-width: 112px;
    padding: 11px 16px;
    border: 1px dashed rgba(28, 54, 130, 0.18);
    border-radius: 16px;
    background: rgba(28, 54, 130, 0.04);
    color: rgba(28, 54, 130, 0.62);
    font-size: 12px;
    line-height: 1.4;
}

.track-light-modal-option {
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.track-light-modal-option.active,
.track-light-modal-option:hover {
    border-color: #1c3682;
    color: #1c3682;
}

.track-light-modal-add {
    position: absolute;
    right: 26px;
    bottom: 24px;
    min-width: 104px;
    padding: 14px 18px;
    border: none;
    background: #050505;
    color: #ffffff;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.track-light-modal-add:hover {
    background: #1c3682;
}

.track-light-modal-add:disabled {
    background: #aeb7cb;
    cursor: not-allowed;
}

.track-light-modal-add.is-loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.34);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: app-loading-spin 0.78s linear infinite;
}

.andromeda-glass-modal-dialog {
    max-width: 760px;
}

.modular220-bulb-modal-dialog {
    max-width: 760px;
}

.modular220-bulb-modal-dialog .track-light-modal-body {
    grid-template-columns: minmax(0, 1fr);
}

.modular220-bulb-modal-grid {
    display: grid;
    gap: 18px;
}

.track-light-modal-status {
    min-height: 44px;
    padding: 12px 14px;
    border: 1px solid rgba(28, 54, 130, 0.12);
    background: rgba(28, 54, 130, 0.05);
    color: #51607f;
    font-size: 12px;
    line-height: 1.6;
}

.andromeda-glass-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    gap: 12px;
}

.andromeda-glass-option {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    text-align: center;
}

.andromeda-glass-option-finish {
    font-size: 12px;
    letter-spacing: 0.08em;
}

.andromeda-glass-option-ref {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

/* 操作按钮 */
.modular-model-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    min-height: 64px;
    text-align: left;
}

.modular-model-option__title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.modular-model-option__meta {
    font-size: 11px;
    color: #667085;
    letter-spacing: 0.06em;
}

.action-buttons {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-reset {
    background: #0f3460;
    color: #fff;
}

.btn-finish {
    background: #e94560;
    color: #fff;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

/* 拖放指示 */
.drop-indicator {
    position: absolute;
    pointer-events: none;
    width: 60px;
    height: 60px;
    border: 2px dashed #e94560;
    border-radius: 50%;
    display: none;
    transform: translate(-50%, -50%);
}

/* 轨道结构预览 */
.track-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.track-option {
    width: 50px;
    height: 50px;
    border: 1px solid #0f3460;
    background: #0a0a1a;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.track-option:hover, .track-option.active {
    border-color: #e94560;
    background: #1a1a3a;
}

.track-option svg {
    width: 35px;
    height: 35px;
    stroke: #fff;
    fill: none;
    stroke-width: 2;
}

/* 右键菜单 */
.context-menu {
    position: absolute;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 4px;
    display: none;
    z-index: 200;
    min-width: 150px;
}

.context-menu-item {
    padding: 10px 15px;
    cursor: pointer;
    transition: background 0.2s;
}

.context-menu-item:hover {
    background: #e94560;
}

body.light-theme .luminaire-empty {
    border-color: rgba(0, 0, 0, 0.12);
    color: #586078;
}

body.light-theme .track-light-modal-dialog {
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.18);
}

@media (max-width: 860px) {
    .track-light-modal-dialog {
        width: calc(100vw - 28px);
        min-height: auto;
        padding: 24px 18px 86px;
    }

    .track-light-modal-body {
        grid-template-columns: 1fr;
    }

    .track-light-modal-preview {
        min-height: 140px;
    }

    .track-light-modal-preview-media {
        min-height: 180px;
    }

    .track-light-modal-add {
        left: 18px;
        right: 18px;
        width: calc(100% - 36px);
    }
}

/* 2026-04-19 布局重构：左侧工作区 / 右侧配置面板 */
:root {
    --app-bg: #f2f0eb;
    --workspace-bg: #9d9b98;
    --workspace-overlay: rgba(255, 255, 255, 0.84);
    --panel-bg: #fbfaf7;
    --panel-border: #1f3c93;
    --panel-border-soft: rgba(31, 60, 147, 0.18);
    --panel-text: #18306f;
    --panel-text-muted: #6d7489;
    --panel-shadow: 0 18px 52px rgba(16, 23, 43, 0.08);
    --toolbar-bg: rgba(255, 255, 255, 0.92);
    --toolbar-shadow: 0 12px 34px rgba(20, 28, 49, 0.12);
    --surface-white: #ffffff;
    --surface-ink: #101826;
    --accent-dark: #111111;
    --accent-blue: #1f3c93;
    --accent-blue-soft: rgba(31, 60, 147, 0.08);
    --radius-xl: 26px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
}

body {
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--app-bg);
    color: var(--surface-ink);
}

body.light-theme {
    background: var(--app-bg);
    color: var(--surface-ink);
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    background: rgba(250, 248, 244, 0.95);
    border-bottom: 1px solid rgba(20, 25, 40, 0.08);
    backdrop-filter: blur(16px);
    z-index: 100;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.app-brand-logo {
    width: 138px;
    height: auto;
    object-fit: contain;
}

.app-brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-brand-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.app-brand-subtitle {
    font-size: 11px;
    color: #70778a;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.app-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-menu-wrap {
    position: relative;
}

.header-action-btn {
    height: 42px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid rgba(17, 24, 38, 0.12);
    background: rgba(255, 255, 255, 0.9);
    color: #14275b;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.header-action-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.38);
    background: #ffffff;
}

.header-action-btn:disabled {
    opacity: 0.46;
    cursor: not-allowed;
    transform: none;
}

.header-action-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.member-account-btn {
    max-width: 220px;
}

.member-account-btn.is-logged-in {
    border-color: rgba(31, 60, 147, 0.22);
    background: rgba(20, 39, 91, 0.06);
}

.header-action-btn.is-active-scheme {
    border-color: rgba(20, 39, 91, 0.28);
    background: rgba(20, 39, 91, 0.06);
}

.member-action-text {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-icon-btn {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(17, 24, 38, 0.12);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.86);
    color: #14275b;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.header-icon-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.38);
    background: #ffffff;
}

.header-icon-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.header-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 136px;
    padding: 8px;
    border: 1px solid rgba(17, 24, 38, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
    z-index: 130;
}

.header-dropdown-item {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: #1f2937;
    text-align: left;
    cursor: pointer;
}

.header-dropdown-item:hover {
    background: rgba(20, 39, 91, 0.08);
    color: #14275b;
}

.header-action-btn.language-switcher-trigger {
    gap: 0;
    min-width: 72px;
    justify-content: center;
}

.landing-login.language-switcher-trigger {
    min-width: 64px;
    justify-content: center;
}

.container.configurator-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 16px;
    height: 100vh;
    padding: 88px 18px 18px;
}

.workspace-panel {
    position: relative;
    height: calc(100vh - 106px);
    border-radius: 28px;
    overflow: hidden;
    background:
        radial-gradient(circle at 14% 10%, rgba(255, 255, 255, 0.22), transparent 18%),
        linear-gradient(180deg, #a3a19d 0%, var(--workspace-bg) 100%);
    box-shadow: var(--panel-shadow);
}

.workspace-topbar {
    position: absolute;
    top: 16px;
    left: 18px;
    right: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 9;
    pointer-events: none;
}

.workspace-view-toggle,
.workspace-status {
    pointer-events: auto;
}

.workspace-view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

.workspace-view-toggle .view-btn {
    min-width: 56px;
    height: 42px;
    padding: 0 16px;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: #5b6274;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 6px 18px rgba(10, 18, 34, 0.08);
}

.workspace-view-toggle #btn2d3d {
    min-width: 82px;
}

.workspace-view-toggle .view-btn.active,
.workspace-view-toggle .view-btn:hover {
    background: #ffffff;
    color: #182f71;
}

.workspace-status-chip {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    background: var(--workspace-overlay);
    color: #253561;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    backdrop-filter: blur(12px);
}

.control-panel {
    width: 380px;
    height: calc(100vh - 106px);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 246, 240, 0.96));
    box-shadow: var(--panel-shadow);
    color: var(--panel-text);
    overflow: hidden;
}

.panel-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 20px 16px 24px;
}

.panel-header {
    margin-bottom: 20px;
}

.panel-header-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: #707999;
    text-transform: uppercase;
}

.panel-header-title {
    margin-top: 8px;
    font-size: 24px;
    line-height: 1.15;
    font-weight: 600;
    color: #122657;
}

.panel-section {
    margin-bottom: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(31, 60, 147, 0.22);
}

.panel-section:first-of-type {
    padding-top: 0;
    border-top: none;
}

.panel-title {
    margin-bottom: 14px;
    font-size: 13px;
    font-weight: 700;
    color: #18306f;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-bottom: none;
}

.option-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.product-type-group {
    grid-template-columns: 1fr;
}

.option-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.structure-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.option-btn {
    min-height: 48px;
    border: 1px solid rgba(31, 60, 147, 0.2);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
    color: #16306b;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.option-btn > * {
    pointer-events: none;
}

.option-btn:hover,
.option-btn.active {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.45);
    background: #ffffff;
    color: #10265b;
    box-shadow: 0 10px 22px rgba(23, 37, 84, 0.08);
}

.option-btn span {
    display: inline-flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
}

.option-card {
    min-height: 120px;
    padding: 0;
}

.option-card-copy {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    height: 100%;
    padding: 14px;
}

.option-card-title {
    display: block;
    padding: 0;
    font-size: 13px;
    font-weight: 700;
    justify-content: flex-start;
}

.option-card-icon {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.option-card-icon svg {
    width: 42px;
    height: 42px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.color-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(31, 60, 147, 0.18);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.92);
}

.color-option.active {
    transform: none;
    box-shadow: 0 0 0 4px rgba(31, 60, 147, 0.1);
}

.luminaire-list {
    display: grid;
    gap: 10px;
}

.luminaire-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.75);
    color: #10265b;
    box-shadow: none;
}

.luminaire-item:hover {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.36);
    background: #ffffff;
    box-shadow: 0 10px 22px rgba(23, 37, 84, 0.08);
}

.luminaire-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(31, 60, 147, 0.08);
    color: #15316f;
}

.luminaire-icon svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.luminaire-thumb {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 14px;
    background: #ffffff;
    overflow: hidden;
}

.luminaire-thumb.is-empty {
    background:
        linear-gradient(145deg, rgba(241, 245, 255, 0.95), rgba(255, 255, 255, 1));
}

.luminaire-thumb-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

.luminaire-thumb-empty {
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    border: 1px dashed rgba(31, 60, 147, 0.28);
    border-radius: 10px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(238, 244, 255, 0.9));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.luminaire-item .luminaire-thumb + .luminaire-icon {
    display: none;
}

.luminaire-info {
    min-width: 0;
}

.luminaire-name {
    font-size: 14px;
    font-weight: 700;
    color: #112557;
}

.luminaire-desc {
    margin-top: 4px;
    font-size: 12px;
    color: #69728b;
}

.panel-footer {
    padding: 18px;
    border-top: 1px solid rgba(31, 60, 147, 0.16);
    background: rgba(255, 255, 255, 0.76);
}

.panel-finish-btn {
    width: 100%;
    height: 54px;
    border: none;
    border-radius: 16px;
    background: #111111;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-finish-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(17, 17, 17, 0.18);
}

.workspace-toolbar {
    position: absolute;
    left: 22px;
    right: auto;
    bottom: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 11;
    padding: 10px 12px;
    border-radius: 999px;
    background: var(--toolbar-bg);
    box-shadow: var(--toolbar-shadow);
    backdrop-filter: blur(16px);
}

.workspace-tool-btn {
    min-width: 92px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: #243354;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.workspace-tool-btn:hover,
.workspace-tool-btn.is-active {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.24);
    background: #ffffff;
}

.workspace-tool-icon {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(31, 60, 147, 0.08);
}

.workspace-tool-icon svg {
    width: 18px;
    height: 18px;
    fill: #17316d;
}

.workspace-tool-label {
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.info-panel {
    position: absolute;
    top: 84px;
    right: 22px;
    bottom: 92px;
    width: min(560px, calc(100% - 44px));
    padding: 18px;
    border: 1px solid rgba(31, 60, 147, 0.15);
    border-radius: 22px;
    background: rgba(251, 250, 247, 0.95);
    color: #12265a;
    box-shadow: 0 20px 44px rgba(14, 20, 40, 0.12);
    backdrop-filter: blur(14px);
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.info-panel.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.info-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.info-panel-heading {
    min-width: 0;
    flex: 1 1 auto;
}

.info-panel-title {
    font-size: 18px;
    font-weight: 700;
}

.info-panel-subtitle {
    margin-top: 2px;
    font-size: 12px;
    color: #70778d;
}

.info-panel-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.summary-export-btn {
    min-width: 92px;
    height: 34px;
    padding: 0 14px;
    border: 1px solid rgba(31, 60, 147, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: #15306b;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}

.summary-export-btn:hover:not(:disabled) {
    background: #ffffff;
    border-color: rgba(31, 60, 147, 0.28);
    transform: translateY(-1px);
}

.summary-export-btn:disabled {
    opacity: 0.62;
    cursor: wait;
    transform: none;
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(31, 60, 147, 0.1);
}

.info-row:last-of-type {
    border-bottom: none;
}

.info-label {
    color: #677089;
    font-size: 13px;
}

.info-value {
    color: #112557;
    font-weight: 700;
}

.summary-detail {
    margin-top: 12px;
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow: auto;
    padding-right: 2px;
}

.summary-warning,
.summary-note,
.summary-empty {
    padding: 9px 10px;
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.5;
}

.summary-warning {
    margin-bottom: 10px;
    background: rgba(245, 158, 11, 0.13);
    color: #8a5a00;
}

.summary-note,
.summary-empty {
    background: rgba(31, 60, 147, 0.07);
    color: #64708c;
}

.summary-section {
    margin-top: 14px;
}

.summary-section-title {
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 800;
    color: #15306b;
}

.summary-table {
    border: 1px solid rgba(31, 60, 147, 0.12);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.52);
}

.summary-table-head,
.summary-table-row {
    display: grid;
    grid-template-columns: minmax(72px, 0.9fr) minmax(84px, 1fr) 44px minmax(140px, 1.8fr);
    gap: 0;
}

.summary-table-head {
    background: rgba(31, 60, 147, 0.08);
    color: #53617e;
    font-size: 11px;
    font-weight: 700;
}

.summary-table-head > div,
.summary-table-cell {
    min-width: 0;
    padding: 8px 7px;
    border-right: 1px solid rgba(31, 60, 147, 0.09);
}

.summary-table-head > div:last-child,
.summary-table-cell:last-child {
    border-right: none;
}

.summary-table-row {
    border-top: 1px solid rgba(31, 60, 147, 0.09);
    font-size: 12px;
    line-height: 1.45;
}

.summary-name,
.summary-model,
.summary-remark {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.summary-name {
    color: #44516d;
    font-weight: 700;
}

.summary-model {
    color: #112557;
    font-weight: 700;
}

.summary-qty {
    text-align: center;
    color: #12265a;
    font-weight: 800;
}

.summary-remark {
    color: #64708c;
}

.track-light-pickup-panel {
    top: auto;
    left: auto;
    right: 22px;
    bottom: 104px;
    transform: none;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(31, 60, 147, 0.14);
    color: #132a61;
    box-shadow: 0 18px 40px rgba(16, 23, 43, 0.12);
}

.track-light-pickup-title {
    color: #68728d;
}

.track-light-pickup-name {
    color: #132a61;
}

.drop-indicator {
    border-radius: 50%;
}

.tooltip {
    background: rgba(17, 17, 17, 0.88);
    color: #ffffff;
    border-radius: 999px;
    padding: 10px 18px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

body.light-theme .app-header,
body.light-theme .control-panel,
body.light-theme .workspace-panel,
body.light-theme .workspace-toolbar,
body.light-theme .info-panel,
body.light-theme .luminaire-item,
body.light-theme .option-btn {
    color: inherit;
}

@media (max-width: 1200px) {
    .container.configurator-shell {
        grid-template-columns: minmax(0, 1fr) 340px;
    }

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

@media (max-width: 980px) {
    .container.configurator-shell {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(0, 1fr) auto;
        height: auto;
        min-height: 100vh;
    }

    .workspace-panel,
    .control-panel {
        height: auto;
        min-height: 52vh;
    }

    .control-panel {
        min-height: 420px;
    }
}

@media (max-width: 720px) {
    .app-header {
        height: auto;
        padding: 14px 16px;
        gap: 14px;
        flex-wrap: wrap;
    }

    .app-brand-logo {
        width: 110px;
    }

    .container.configurator-shell {
        padding: 96px 12px 12px;
        gap: 12px;
    }

    .workspace-topbar {
        top: 12px;
        left: 12px;
        right: 12px;
        gap: 10px;
        flex-wrap: wrap;
    }

    .workspace-toolbar {
        left: 12px;
        right: 12px;
        bottom: 12px;
        gap: 8px;
        justify-content: space-between;
        flex-wrap: wrap;
        border-radius: 24px;
    }

    .workspace-tool-btn {
        min-width: calc(50% - 4px);
        justify-content: flex-start;
    }

    .info-panel {
        top: 112px;
        right: 12px;
        left: 12px;
        width: auto;
        bottom: 156px;
    }

    .info-panel-header {
        align-items: stretch;
    }

    .info-panel-actions {
        align-self: flex-start;
    }

    .track-light-pickup-panel {
        left: 12px;
        right: 12px;
        width: auto;
    }

    .option-card-grid,
    .option-group {
        grid-template-columns: 1fr;
    }
}

/* 2026-04-19 第二轮布局修正：右栏加宽，分组横向滑动，底部工具栏移到工作区外 */
.container.configurator-shell {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: stretch;
}

.workspace-column {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    gap: 16px;
    padding-bottom: 0;
}

.workspace-panel {
    flex: 1;
    height: auto;
    min-height: calc(100vh - 210px);
}

.workspace-toolbar {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    align-self: flex-start;
    max-width: 100%;
    flex-wrap: nowrap;
}

.info-panel {
    bottom: 96px;
    right: 0;
}

.panel-scroll {
    padding: 22px 18px 20px;
}

.option-group,
.option-card-grid,
.luminaire-list {
    display: grid;
    flex-wrap: wrap;
    gap: 12px;
    overflow-x: hidden;
    overflow-y: visible;
    padding-bottom: 0;
    scrollbar-width: none;
}

.option-group::-webkit-scrollbar,
.option-card-grid::-webkit-scrollbar,
.luminaire-list::-webkit-scrollbar {
    display: none;
}

.option-group::-webkit-scrollbar-thumb,
.option-card-grid::-webkit-scrollbar-thumb,
.luminaire-list::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 0;
}

.product-type-group {
    display: grid;
}

.structure-grid {
    display: grid;
}

.option-group .option-btn {
    min-width: 0;
}

.product-type-group .option-btn {
    min-width: 0;
}

.option-card-grid .option-card {
    width: 100%;
}

.luminaire-list .luminaire-item {
    width: 100%;
}

.panel-section {
    overflow: hidden;
}

.workspace-tool-btn {
    min-width: 86px;
}

@media (max-width: 1380px) {
    .container.configurator-shell {
        grid-template-columns: minmax(0, 1fr) 460px;
    }
}

@media (max-width: 980px) {
    .container.configurator-shell {
        grid-template-columns: 1fr;
    }

    .workspace-panel {
        min-height: 54vh;
    }

    .info-panel {
        top: 84px;
        right: 12px;
        left: 12px;
        bottom: 96px;
        width: auto;
    }
}

@media (max-width: 720px) {
    .modular-wire-length-panel {
        bottom: 168px;
        padding: 14px;
    }

    .modular-wire-length-form {
        flex-direction: column;
        align-items: stretch;
    }

    .modular-wire-length-apply-btn {
        width: 100%;
    }

    .info-panel {
        top: 112px;
    }

    .workspace-toolbar {
        align-self: stretch;
        flex-wrap: wrap;
        border-radius: 24px;
    }

    .workspace-tool-btn {
        min-width: calc(50% - 4px);
    }

    .info-panel-header {
        flex-direction: column;
        gap: 10px;
    }

    .info-panel-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .summary-export-btn {
        width: 100%;
        min-width: 0;
    }

    .option-group,
    .option-card-grid,
    .luminaire-list {
        padding-bottom: 10px;
    }
}

/* 2026-04-19 第三轮收敛：右栏改单选表单风格，灯具仅显示型号 */
.panel-header {
    margin-bottom: 16px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
}

.panel-header-title {
    font-size: 20px;
}

.panel-header-main {
    min-width: 0;
}

.panel-header-actions {
    flex: 0 0 auto;
}

.control-panel {
    position: relative;
}

.panel-scroll {
    padding-bottom: 28px;
}

.panel-section {
    margin-bottom: 14px;
    padding-top: 12px;
}

.panel-title {
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: 0.04em;
}

#trackModelSection .panel-title {
    white-space: nowrap;
    letter-spacing: 0.12em;
}

.option-group,
.option-card-grid {
    gap: 18px;
    padding-bottom: 4px;
}

.option-group .option-btn,
.option-card-grid .option-btn {
    position: relative;
    min-width: auto;
    min-height: auto;
    flex: 0 0 auto;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
    color: #17306d;
}

.option-group .option-btn:hover,
.option-group .option-btn.active,
.option-card-grid .option-btn:hover,
.option-card-grid .option-btn.active {
    border: none;
    background: transparent;
    box-shadow: none;
    transform: none;
    color: #14275f;
}

.option-group .option-btn > span,
.option-card-grid .option-btn > span {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 20px;
    padding: 0 0 0 22px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

.option-group .option-btn > span::before,
.option-card-grid .option-btn > span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 13px;
    height: 13px;
    border: 1.5px solid rgba(31, 60, 147, 0.88);
    border-radius: 50%;
    transform: translateY(-50%);
    background: #ffffff;
}

.option-group .option-btn.active > span::after,
.option-card-grid .option-btn.active > span::after {
    content: "";
    position: absolute;
    left: 3.5px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: #1f3c93;
}

.option-card-grid .option-btn.option-card > span::before,
.option-card-grid .option-btn.option-card > span::after {
    display: none;
}

.track-subcategory-btn {
    width: 100%;
    min-height: 0;
    padding: 8px 6px;
}

#subCategoryGroup {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
}

#subCategoryGroup::-webkit-scrollbar {
    display: none;
}

.track-subcategory-btn > .track-subcategory-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 42px;
    min-height: 0;
    padding-left: 0;
    margin: 0 auto;
}

.track-subcategory-card__thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    max-width: 42px;
    border: 1px solid rgba(31, 60, 147, 0.2);
    border-radius: 12px;
    background: #ffffff;
    overflow: hidden;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.track-subcategory-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.track-subcategory-card__thumb.is-empty {
    background: #f7f8fb;
    color: #8b95ab;
    font-size: 11px;
}

.track-subcategory-card__label {
    display: none;
}

.track-subcategory-btn:hover .track-subcategory-card__thumb,
.track-subcategory-btn.active .track-subcategory-card__thumb {
    border-color: rgba(31, 60, 147, 0.98);
    background: linear-gradient(180deg, #ffffff 0%, #eef3ff 100%);
    box-shadow:
        0 0 0 3px rgba(31, 60, 147, 0.36),
        0 12px 24px rgba(31, 60, 147, 0.18);
    transform: translateY(-1px);
}

.track-subcategory-btn.active .track-subcategory-card__label {
    color: #0f2357;
}

.track-material-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.track-material-group .option-btn {
    color: #122657;
    flex: 0 0 auto;
}

.track-material-group .option-btn > span {
    min-height: 20px;
    padding: 0 2px;
}

.track-material-swatch {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid rgba(18, 38, 87, 0.22);
    box-sizing: border-box;
    display: block;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.track-material-swatch.is-black {
    background: #1a1a1a;
}

.track-material-swatch.is-white {
    background: #f5f5f5;
}

.track-material-group .option-btn:hover .track-material-swatch {
    transform: scale(1.06);
}

.track-material-group .option-btn.active .track-material-swatch {
    border-color: rgba(18, 38, 87, 0.9);
    box-shadow: 0 0 0 3px rgba(31, 60, 147, 0.14);
}

#trackModelList .track-color-item {
    min-width: 0;
}

#trackModelList .track-color-item > span {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding-left: 17px;
}

#trackModelList .track-color-item > span em {
    font-style: normal;
}

#trackModelList .track-color-item .track-material-swatch {
    display: none;
}

#trackModelList .track-color-item > span {
    justify-content: flex-start;
    gap: 0;
}

.option-card-grid .option-card {
    flex: 0 0 112px;
}

.option-card-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    padding: 0;
}

.option-card-title {
    font-size: 13px;
    font-weight: 500;
}

.option-card-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(31, 60, 147, 0.82);
    background: #ffffff;
}

.option-card-grid .option-btn.option-card.active .option-card-icon {
    border: 2px solid rgba(15, 35, 87, 1);
    box-shadow: 0 0 0 2px rgba(31, 60, 147, 0.18);
}

.option-card-icon svg {
    width: 28px;
    height: 28px;
    stroke: rgba(33, 49, 101, 0.82);
    stroke-width: 1.25;
}

.track-structure-icon-image {
    width: 30px;
    height: 30px;
    display: block;
    object-fit: contain;
}

.track-structure-icon-image.is-mirrored {
    transform: scaleX(-1);
}

.option-card-grid.structure-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 18px;
    overflow-x: visible;
    overflow-y: visible;
    padding-bottom: 0;
    scrollbar-width: none;
}

.option-card-grid.structure-grid::-webkit-scrollbar {
    display: none;
}

.option-card-grid.structure-grid .option-card {
    width: 100%;
    min-width: 0;
}

#modularCeilingTypeGroup {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 12px;
    overflow-x: visible;
    overflow-y: visible;
    padding-bottom: 0;
    scrollbar-width: none;
}

#modularCeilingTypeGroup::-webkit-scrollbar {
    display: none;
}

#modularCeilingTypeGroup .option-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
}

#modularCeilingTypeGroup .option-btn > span {
    width: 100%;
    justify-content: flex-start;
    padding-left: 0;
    padding-right: 0;
    text-align: left;
}

#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger {
    min-width: 0;
    align-items: stretch;
}

#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger > span::before,
#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger > span::after {
    display: none;
}

#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger > .modular-ceiling-type-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
    min-height: 0;
    padding: 8px;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 6px 16px rgba(22, 42, 92, 0.06);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger:hover > .modular-ceiling-type-card,
#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger.active > .modular-ceiling-type-card {
    border-color: rgba(31, 60, 147, 0.96);
    background: rgba(232, 239, 255, 0.55);
    box-shadow:
        0 0 0 3px rgba(31, 60, 147, 0.16),
        0 10px 20px rgba(31, 60, 147, 0.12);
    transform: translateY(-1px);
}

#modularCeilingTypeGroup .option-btn.modular-ceiling-type-card-trigger.active > .modular-ceiling-type-card {
    background: #ffffff;
}

.modular-ceiling-type-card__media {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid rgba(31, 60, 147, 0.08);
    background: #ffffff;
    box-sizing: border-box;
    padding: 8px;
}

.modular-ceiling-type-card__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
    box-sizing: border-box;
    transform: translateZ(0);
}

.modular-ceiling-type-card__placeholder {
    color: rgba(23, 48, 109, 0.56);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
}

.modular-ceiling-type-card__footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 22px;
    width: 100%;
    height: auto !important;
    padding: 0 !important;
}

.modular-ceiling-type-card__name {
    display: block;
    flex: 1;
    width: auto;
    min-height: auto;
    height: auto !important;
    padding: 0 !important;
    color: #17306d;
    font-size: 13px;
    font-weight: 600;
    line-height: 18px;
    text-align: center;
    white-space: normal;
}

@media (max-width: 1380px) {
    #modularCeilingTypeGroup {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    #modularCeilingTypeGroup {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1280px) {
    #controlGroup {
        grid-template-columns: 1fr;
    }
}

.option-group .option-btn > span {
    padding-right: 2px;
}

#controlGroup {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 14px;
    overflow: visible;
    padding-bottom: 0;
}

#controlGroup .option-btn {
    min-width: 0;
    width: 100%;
}

#controlGroup .option-btn > span {
    width: 100%;
    min-height: 22px;
    padding-right: 0;
    white-space: normal;
}

.control-panel .luminaire-list {
    gap: 8px;
}

.control-panel .luminaire-item {
    flex: 0 0 auto;
    min-width: 0;
    min-height: 0;
    padding: 8px;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(23, 37, 84, 0.04);
    gap: 10px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.control-panel .luminaire-item::before {
    display: none;
}

.control-panel .luminaire-item:hover,
.control-panel .luminaire-item.active,
.control-panel .luminaire-item:active {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.96);
    background: #ffffff;
    box-shadow:
        0 0 0 3px rgba(31, 60, 147, 0.28),
        0 10px 20px rgba(31, 60, 147, 0.12);
}

.control-panel .luminaire-item.active::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 2.5px solid rgba(15, 35, 87, 1);
    border-radius: 14px;
    pointer-events: none;
}

.control-panel .luminaire-icon {
    display: none;
}

.control-panel .luminaire-info {
    min-width: 0;
}

.control-panel .luminaire-name {
    font-size: 12px;
    font-weight: 600;
    color: #16306b;
    text-align: center;
}

.control-panel .luminaire-desc {
    display: none;
}

#trackLightList .luminaire-item,
#modularCeilingList .luminaire-item,
#modularLampList .luminaire-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
}

#trackLightList .luminaire-info,
#modularCeilingList .luminaire-info,
#modularLampList .luminaire-info {
    width: 100%;
}

#trackLightList .luminaire-name,
#modularCeilingList .luminaire-name,
#modularLampList .luminaire-name {
    line-height: 1.3;
    word-break: break-word;
}

.panel-finish-btn {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 122px;
    height: 50px;
    z-index: 105;
    border-radius: 0;
    box-shadow: none;
}

.floating-finish-btn:hover {
    transform: none;
    box-shadow: none;
}

@media (max-width: 980px) {
    .panel-finish-btn {
        right: 12px;
        bottom: 12px;
    }
}

/* 2026-04-19 工作区全屏模式 */
.workspace-topbar {
    justify-content: flex-end;
}

.workspace-top-actions {
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-left: auto;
}

.workspace-icon-btn {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(20, 39, 91, 0.16);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: #17306d;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(20, 39, 91, 0.12);
    backdrop-filter: blur(16px);
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.workspace-icon-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(31, 60, 147, 0.34);
    background: #ffffff;
}

.workspace-icon-btn.is-active,
.workspace-icon-btn.active {
    background: #17306d;
    color: #ffffff;
    border-color: #17306d;
}

.workspace-icon-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

body.workspace-focus-mode .container.configurator-shell {
    grid-template-columns: minmax(0, 1fr);
}

body.workspace-focus-mode .control-panel {
    display: none;
}

body.workspace-focus-mode .workspace-column {
    max-width: none;
}

body.workspace-focus-mode .workspace-panel {
    min-height: calc(100vh - 210px);
}

body.workspace-focus-mode .workspace-toolbar {
    align-self: stretch;
    justify-content: center;
}

@media (max-width: 980px) {
    body.workspace-focus-mode .workspace-toolbar {
        justify-content: space-between;
    }
}

/* 2026-04-19 右侧列表三列排布 */
#trackLightList,
#modularCeilingList,
#modularLampList {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 16px;
    overflow: visible;
    padding-bottom: 0;
    scrollbar-width: auto;
}

#trackLightList::-webkit-scrollbar,
#modularCeilingList::-webkit-scrollbar,
#modularLampList::-webkit-scrollbar {
    display: none;
}

#trackLightList .luminaire-item,
#modularCeilingList .luminaire-item,
#modularLampList .luminaire-item {
    min-width: 0;
    width: 100%;
}

#trackLightList .luminaire-empty,
#modularCeilingList .luminaire-empty,
#modularLampList .luminaire-empty {
    grid-column: 1 / -1;
}

#trackModelList {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
    scrollbar-width: auto;
}

#trackModelList::-webkit-scrollbar {
    display: none;
}

#trackModelList .luminaire-empty {
    grid-column: 1 / -1;
}

#trackModelList .luminaire-item,
#trackLightList .luminaire-item,
#modularCeilingList .luminaire-item,
#modularLampList .luminaire-item {
    width: 100%;
}

.control-panel .luminaire-thumb {
    flex: 0 0 auto;
    width: min(112px, 100%);
    max-width: 112px;
    aspect-ratio: 1 / 1;
    height: auto;
    border-radius: 12px;
}

@media (max-width: 1280px) {
    #trackLightList,
    #modularCeilingList,
    #modularLampList {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 720px) {
    #trackLightList,
    #modularCeilingList,
    #modularLampList {
        grid-template-columns: 1fr;
    }

}

/* 2026-06-07 轨道模式右侧配置项统一为正方形圆角卡片 */
#installGroup,
#subCategoryGroup,
#trackStructureGroup {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
}

#installGroup .option-btn,
#subCategoryGroup .option-btn,
#trackStructureGroup .option-btn {
    width: 100%;
    aspect-ratio: 1 / 1;
    min-width: 0;
    min-height: 0;
    padding: 7px;
    border: 1px solid rgba(31, 60, 147, 0.16);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(23, 37, 84, 0.04);
    box-sizing: border-box;
    color: #17306d;
    transform: none;
    position: relative;
}

#installGroup .option-btn:hover,
#subCategoryGroup .option-btn:hover,
#trackStructureGroup .option-btn:hover,
#installGroup .option-btn.active,
#subCategoryGroup .option-btn.active,
#trackStructureGroup .option-btn.active {
    border-color: rgba(31, 60, 147, 0.72);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(23, 37, 84, 0.04);
    transform: none;
}

#installGroup .option-btn.active::after,
#subCategoryGroup .option-btn.active::after,
#trackStructureGroup .option-btn.active::after {
    content: none;
    display: none;
}

#installGroup .option-btn > span,
#trackStructureGroup .option-btn > span {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    white-space: nowrap;
    overflow: hidden;
}

#installGroup .option-btn > span::before,
#installGroup .option-btn > span::after,
#trackStructureGroup .option-btn > span::before,
#trackStructureGroup .option-btn > span::after {
    display: none;
}

#installGroup .option-card-copy,
#trackStructureGroup .option-card-copy {
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-align: center;
}

#installGroup .option-card-icon,
#trackStructureGroup .option-card-icon {
    order: 1;
    flex: 0 0 30px;
    width: 28px;
    height: 30px;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    border-color: rgba(31, 60, 147, 0.16);
    background: #ffffff;
    overflow: hidden;
}

#installGroup .option-btn.option-card.active .option-card-icon,
#trackStructureGroup .option-btn.option-card.active .option-card-icon {
    border: 1px solid rgba(31, 60, 147, 0.16);
    box-shadow: none;
}

#installGroup .option-card-icon svg,
#trackStructureGroup .option-card-icon svg {
    display: block;
    width: 22px;
    height: 22px;
    overflow: visible;
}

#trackStructureGroup .track-structure-icon-image {
    width: 22px;
    height: 22px;
}

#installGroup .option-card-title,
#trackStructureGroup .option-card-title {
    order: 2;
    width: 100%;
    font-size: 9px !important;
    line-height: 1.08 !important;
    font-weight: 600;
    text-align: center;
    color: #17306d;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
}

#subCategoryGroup .track-subcategory-btn {
    padding: 7px;
}

#subCategoryGroup .option-btn > span {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
}

#subCategoryGroup .option-btn > span::before,
#subCategoryGroup .option-btn > span::after {
    display: none;
}

#subCategoryGroup .track-subcategory-card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

#subCategoryGroup .track-subcategory-card__thumb {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    max-width: 30px;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    border-color: rgba(31, 60, 147, 0.16);
    background: #ffffff;
    box-shadow: none;
    transform: none;
}

#subCategoryGroup .track-subcategory-btn:hover .track-subcategory-card__thumb,
#subCategoryGroup .track-subcategory-btn.active .track-subcategory-card__thumb {
    border-color: rgba(31, 60, 147, 0.72);
    background: #ffffff;
    box-shadow: none;
    transform: none;
}

#subCategoryGroup .track-subcategory-card__label {
    display: block;
    width: 100%;
    font-size: 9px !important;
    line-height: 1.08 !important;
    font-weight: 600;
    text-align: center;
    color: #17306d;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
}

@media (max-width: 720px) {
    #installGroup,
    #subCategoryGroup,
    #trackStructureGroup {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}