:root {
        color-scheme: dark;

        --bg-0: #06090d;
        --bg-1: #0a0f15;
        --bg-2: #0f1620;
        --bg-3: #141d28;

        --panel: rgba(15, 22, 31, 0.82);
        --panel-strong: rgba(18, 27, 38, 0.96);
        --panel-soft: rgba(255, 255, 255, 0.035);
        --panel-hover: rgba(255, 255, 255, 0.06);

        --line: rgba(255, 255, 255, 0.075);
        --line-strong: rgba(255, 255, 255, 0.13);
        --line-accent: rgba(93, 202, 255, 0.36);

        --text: #edf5fb;
        --text-2: #b7c5d3;
        --text-3: #778898;
        --text-4: #566575;

        --cyan: #5dcaff;
        --cyan-soft: rgba(93, 202, 255, 0.12);
        --cyan-glow: rgba(93, 202, 255, 0.28);

        --mint: #65e6bd;
        --mint-soft: rgba(101, 230, 189, 0.12);
        --mint-glow: rgba(101, 230, 189, 0.28);

        --violet: #a893ff;
        --violet-soft: rgba(168, 147, 255, 0.13);

        --amber: #f6c96b;
        --amber-soft: rgba(246, 201, 107, 0.13);

        --red: #ff7676;
        --red-soft: rgba(255, 118, 118, 0.13);

        --green: #6ee7a7;
        --green-soft: rgba(110, 231, 167, 0.12);

        --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.18);
        --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.28);
        --shadow-lg: 0 32px 80px rgba(0, 0, 0, 0.4);

        --radius-xs: 7px;
        --radius-sm: 10px;
        --radius-md: 14px;
        --radius-lg: 18px;
        --radius-xl: 24px;

        --topbar-h: 72px;
        --status-h: 38px;
        --left-w: 248px;
        --right-w: 300px;

        --ease-out: cubic-bezier(.22, .8, .22, 1);
        --ease-soft: cubic-bezier(.4, 0, .2, 1);
    }

    body[data-theme="light"] {
        color-scheme: light;

        --bg-0: #eef3f7;
        --bg-1: #f5f8fb;
        --bg-2: #ffffff;
        --bg-3: #eaf0f5;

        --panel: rgba(255, 255, 255, 0.86);
        --panel-strong: rgba(255, 255, 255, 0.98);
        --panel-soft: rgba(15, 31, 47, 0.035);
        --panel-hover: rgba(15, 31, 47, 0.055);

        --line: rgba(23, 42, 58, 0.08);
        --line-strong: rgba(23, 42, 58, 0.14);
        --line-accent: rgba(0, 128, 196, 0.27);

        --text: #13202b;
        --text-2: #43586b;
        --text-3: #74899a;
        --text-4: #98a7b4;

        --cyan: #087fb9;
        --cyan-soft: rgba(8, 127, 185, 0.09);
        --cyan-glow: rgba(8, 127, 185, 0.18);

        --mint: #0a9873;
        --mint-soft: rgba(10, 152, 115, 0.09);
        --mint-glow: rgba(10, 152, 115, 0.18);

        --shadow-sm: 0 8px 22px rgba(36, 51, 66, 0.08);
        --shadow-md: 0 18px 48px rgba(36, 51, 66, 0.12);
        --shadow-lg: 0 34px 80px rgba(36, 51, 66, 0.16);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

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

    html {
        background: var(--bg-0);
    }

    body {
        margin: 0;
        color: var(--text);
        overflow: hidden;
        font-family:
            Inter,
            ui-sans-serif,
            -apple-system,
            BlinkMacSystemFont,
            "Segoe UI",
            Roboto,
            Helvetica,
            Arial,
            sans-serif;
        background:
            radial-gradient(circle at 50% -18%, rgba(74, 160, 214, 0.16), transparent 37%),
            radial-gradient(circle at 85% 100%, rgba(101, 230, 189, 0.055), transparent 28%),
            linear-gradient(180deg, var(--bg-1), var(--bg-0));
        user-select: none;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
        -webkit-tap-highlight-color: transparent;
    }

    button,
    input,
    select,
    textarea {
        font: inherit;
    }

    button {
        color: inherit;
    }

    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
    }

    ::selection {
        color: #071018;
        background: var(--cyan);
    }

    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: transparent;
    }

    ::-webkit-scrollbar-thumb {
        border: 2px solid transparent;
        border-radius: 999px;
        background: rgba(145, 165, 184, 0.22);
        background-clip: padding-box;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: rgba(145, 165, 184, 0.35);
        background-clip: padding-box;
    }

    .app-shell {
        display: grid;
        width: 100%;
        height: 100%;
        grid-template-rows: var(--topbar-h) minmax(0, 1fr) var(--status-h);
        isolation: isolate;
    }

    .topbar {
        position: relative;
        z-index: 120;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        align-items: center;
        min-width: 0;
        height: var(--topbar-h);
        padding: 0 16px 0 18px;
        gap: 14px;
        border-bottom: 1px solid var(--line);
        background: rgba(9, 14, 20, 0.74);
        backdrop-filter: blur(20px) saturate(150%);
        -webkit-backdrop-filter: blur(20px) saturate(150%);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.018) inset;
    }

    body[data-theme="light"] .topbar {
        background: rgba(248, 251, 253, 0.84);
    }

    .brand-lockup {
        display: flex;
        align-items: center;
        min-width: 0;
        gap: 12px;
    }

    .brand-mark {
        position: relative;
        display: grid;
        width: 38px;
        height: 38px;
        place-items: center;
        flex: 0 0 auto;
        border: 1px solid rgba(93, 202, 255, 0.2);
        border-radius: 12px;
        background:
            linear-gradient(145deg, rgba(93, 202, 255, 0.15), rgba(101, 230, 189, 0.08)),
            var(--panel-soft);
        box-shadow:
            0 8px 22px rgba(0, 0, 0, 0.18),
            0 0 22px rgba(93, 202, 255, 0.07) inset;
        overflow: hidden;
    }

    .brand-mark::after {
        content: "";
        position: absolute;
        inset: 1px;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.04);
        pointer-events: none;
    }

    .brand-mark svg {
        width: 22px;
        height: 22px;
        stroke: var(--cyan);
        filter: drop-shadow(0 0 10px rgba(93, 202, 255, 0.24));
    }

    .brand-copy {
        display: grid;
        min-width: 0;
        gap: 2px;
    }

    .brand-name {
        overflow: hidden;
        font-size: 0.96rem;
        font-weight: 680;
        letter-spacing: -0.02em;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .brand-subtitle {
        overflow: hidden;
        color: var(--text-3);
        font-size: 0.69rem;
        font-weight: 550;
        letter-spacing: 0.045em;
        text-overflow: ellipsis;
        text-transform: uppercase;
        white-space: nowrap;
    }

    .topbar-center {
        display: flex;
        min-width: 0;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .presentation-chip {
        display: flex;
        min-width: 0;
        max-width: min(420px, 42vw);
        height: 38px;
        align-items: center;
        gap: 9px;
        padding: 0 12px;
        border: 1px solid var(--line);
        border-radius: 11px;
        background: var(--panel-soft);
        color: var(--text-2);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset;
    }

    .presentation-chip .status-dot {
        flex: 0 0 auto;
    }

    .presentation-chip-copy {
        display: grid;
        min-width: 0;
        gap: 1px;
    }

    .presentation-chip-title {
        overflow: hidden;
        color: var(--text);
        font-size: 0.79rem;
        font-weight: 640;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .presentation-chip-meta {
        overflow: hidden;
        color: var(--text-3);
        font-size: 0.66rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .topbar-actions {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 7px;
    }

    .divider-v {
        width: 1px;
        height: 24px;
        margin: 0 2px;
        background: var(--line);
    }

    .icon-btn,
    .tool-btn,
    .tiny-btn,
    .stage-btn,
    .primary-btn,
    .segmented-btn {
        border: 1px solid var(--line);
        cursor: pointer;
        transition:
            border-color 140ms var(--ease-soft),
            background 140ms var(--ease-soft),
            color 140ms var(--ease-soft),
            transform 120ms var(--ease-soft),
            box-shadow 140ms var(--ease-soft);
    }

    .icon-btn:hover,
    .tool-btn:hover,
    .tiny-btn:hover,
    .stage-btn:hover,
    .segmented-btn:hover {
        color: var(--text);
        border-color: var(--line-strong);
        background: var(--panel-hover);
    }

    .icon-btn:active,
    .tool-btn:active,
    .tiny-btn:active,
    .stage-btn:active,
    .primary-btn:active,
    .segmented-btn:active {
        transform: translateY(1px);
    }

    .icon-btn {
        display: grid;
        width: 38px;
        height: 38px;
        place-items: center;
        flex: 0 0 auto;
        padding: 0;
        border-radius: 10px;
        background: var(--panel-soft);
        color: var(--text-2);
    }

    .icon-btn svg {
        width: 17px;
        height: 17px;
        stroke-width: 1.8;
    }

    .icon-btn.active {
        color: var(--cyan);
        border-color: rgba(93, 202, 255, 0.3);
        background: var(--cyan-soft);
    }

    .primary-btn {
        position: relative;
        display: inline-flex;
        min-height: 38px;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 0 14px;
        border-color: rgba(93, 202, 255, 0.3);
        border-radius: 10px;
        background:
            linear-gradient(180deg, rgba(93, 202, 255, 0.17), rgba(93, 202, 255, 0.08));
        color: var(--text);
        font-size: 0.78rem;
        font-weight: 660;
        box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
        overflow: hidden;
    }

    .primary-btn:hover {
        border-color: rgba(93, 202, 255, 0.5);
        background:
            linear-gradient(180deg, rgba(93, 202, 255, 0.22), rgba(93, 202, 255, 0.11));
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
    }

    .primary-btn svg {
        width: 16px;
        height: 16px;
    }

    .primary-btn input[type="file"] {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        cursor: pointer;
        opacity: 0;
    }

    .workspace {
        position: relative;
        z-index: 2;
        display: grid;
        min-width: 0;
        min-height: 0;
        grid-template-columns: var(--left-w) minmax(0, 1fr) var(--right-w);
        overflow: hidden;
    }

    .sidebar,
    .inspector {
        position: relative;
        z-index: 30;
        display: flex;
        min-width: 0;
        min-height: 0;
        flex-direction: column;
        background: rgba(10, 15, 21, 0.62);
        backdrop-filter: blur(18px) saturate(130%);
        -webkit-backdrop-filter: blur(18px) saturate(130%);
        transition:
            width 180ms var(--ease-out),
            transform 180ms var(--ease-out),
            opacity 180ms var(--ease-out);
    }

    body[data-theme="light"] .sidebar,
    body[data-theme="light"] .inspector {
        background: rgba(245, 249, 252, 0.74);
    }

    .sidebar {
        border-right: 1px solid var(--line);
    }

    .inspector {
        border-left: 1px solid var(--line);
    }

    .panel-scroll {
        min-height: 0;
        flex: 1;
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: 14px 12px 22px;
    }

    .panel-heading {
        display: flex;
        min-height: 44px;
        align-items: center;
        justify-content: space-between;
        padding: 10px 12px 8px;
        border-bottom: 1px solid var(--line);
    }

    .panel-heading-title {
        color: var(--text-2);
        font-size: 0.7rem;
        font-weight: 680;
        letter-spacing: 0.095em;
        text-transform: uppercase;
    }

    .panel-heading-meta {
        color: var(--text-4);
        font-size: 0.65rem;
        font-weight: 600;
    }

    .panel-section {
        margin-bottom: 14px;
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        background:
            linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
            var(--panel-soft);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.015) inset;
        overflow: hidden;
    }

    .panel-section:last-child {
        margin-bottom: 0;
    }

    .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        padding: 11px 12px 9px;
    }

    .section-label {
        display: flex;
        min-width: 0;
        align-items: center;
        gap: 8px;
        color: var(--text-2);
        font-size: 0.69rem;
        font-weight: 660;
        letter-spacing: 0.035em;
    }

    .section-label svg {
        width: 14px;
        height: 14px;
        flex: 0 0 auto;
        color: var(--text-3);
        stroke-width: 1.7;
    }

    .section-caption {
        color: var(--text-4);
        font-size: 0.61rem;
    }

    .section-body {
        padding: 0 12px 12px;
    }

    .deck-card {
        display: grid;
        gap: 11px;
    }

    .deck-card-top {
        display: flex;
        min-width: 0;
        align-items: center;
        gap: 10px;
    }

    .deck-thumb {
        position: relative;
        display: grid;
        width: 56px;
        height: 36px;
        place-items: center;
        flex: 0 0 auto;
        border: 1px solid var(--line-strong);
        border-radius: 8px;
        background:
            radial-gradient(circle at 68% 24%, rgba(93, 202, 255, 0.14), transparent 40%),
            linear-gradient(145deg, #111a24, #0c131b);
        color: var(--text-3);
        font-size: 0.61rem;
        box-shadow: var(--shadow-sm);
    }

    body[data-theme="light"] .deck-thumb {
        background: linear-gradient(145deg, #ffffff, #edf3f7);
    }

    .deck-thumb::after {
        content: "";
        position: absolute;
        inset: 5px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 4px;
    }

    .deck-copy {
        display: grid;
        min-width: 0;
        gap: 3px;
    }

    .deck-name {
        overflow: hidden;
        color: var(--text);
        font-size: 0.76rem;
        font-weight: 650;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .deck-meta {
        color: var(--text-3);
        font-size: 0.64rem;
    }

    .progress-track {
        position: relative;
        width: 100%;
        height: 5px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.055);
        overflow: hidden;
    }

    .progress-value {
        width: 0%;
        height: 100%;
        border-radius: inherit;
        background: linear-gradient(90deg, var(--cyan), var(--mint));
        box-shadow: 0 0 14px var(--cyan-glow);
        transition: width 220ms var(--ease-out);
    }

    .deck-progress-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .deck-progress-row .progress-track {
        flex: 1;
    }

    .deck-progress-value {
        flex: 0 0 auto;
        color: var(--text-3);
        font-size: 0.62rem;
        font-variant-numeric: tabular-nums;
    }

    .tool-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 7px;
    }

    .tool-btn {
        display: flex;
        min-width: 0;
        min-height: 58px;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 5px;
        padding: 9px 10px;
        border-radius: 10px;
        background: transparent;
        color: var(--text-2);
    }

    .tool-btn-top {
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-between;
        gap: 6px;
    }

    .tool-btn svg {
        width: 15px;
        height: 15px;
        color: var(--text-3);
        stroke-width: 1.75;
    }

    .tool-btn-label {
        overflow: hidden;
        max-width: 100%;
        font-size: 0.67rem;
        font-weight: 630;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .tool-btn-state {
        color: var(--text-4);
        font-size: 0.58rem;
        font-weight: 650;
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }

    .tool-btn.active {
        color: var(--text);
        border-color: rgba(93, 202, 255, 0.28);
        background: var(--cyan-soft);
        box-shadow: 0 0 0 1px rgba(93, 202, 255, 0.03) inset;
    }

    .tool-btn.active svg,
    .tool-btn.active .tool-btn-state {
        color: var(--cyan);
    }

    .tool-btn.mouse-on {
        border-color: rgba(101, 230, 189, 0.3);
        background: var(--mint-soft);
    }

    .tool-btn.mouse-on svg,
    .tool-btn.mouse-on .tool-btn-state {
        color: var(--mint);
    }

    .gesture-list {
        display: grid;
        gap: 2px;
    }

    .gesture-row {
        display: grid;
        min-height: 42px;
        grid-template-columns: 32px minmax(0, 1fr) auto;
        align-items: center;
        gap: 8px;
        padding: 5px 5px;
        border-radius: 9px;
        transition: background 120ms var(--ease-soft);
    }

    .gesture-row:hover {
        background: var(--panel-hover);
    }

    .gesture-symbol {
        display: grid;
        width: 30px;
        height: 30px;
        place-items: center;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--panel-soft);
        font-size: 0.9rem;
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset;
    }

    .gesture-copy {
        display: grid;
        min-width: 0;
        gap: 1px;
    }

    .gesture-name {
        overflow: hidden;
        color: var(--text-2);
        font-size: 0.67rem;
        font-weight: 620;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .gesture-action {
        overflow: hidden;
        color: var(--text-4);
        font-size: 0.58rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .gesture-key {
        min-width: 22px;
        padding: 3px 5px;
        border: 1px solid var(--line);
        border-bottom-color: var(--line-strong);
        border-radius: 5px;
        background: rgba(255, 255, 255, 0.025);
        color: var(--text-4);
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-size: 0.54rem;
        font-weight: 650;
        text-align: center;
    }

    .stage-wrap {
        position: relative;
        z-index: 10;
        display: flex;
        min-width: 0;
        min-height: 0;
        flex-direction: column;
        overflow: hidden;
        background:
            radial-gradient(circle at 50% 40%, rgba(93, 202, 255, 0.045), transparent 45%),
            linear-gradient(180deg, rgba(255, 255, 255, 0.008), rgba(255, 255, 255, 0.002));
    }

    .stage-toolbar {
        position: relative;
        z-index: 20;
        display: flex;
        min-height: 50px;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 8px 14px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.035);
    }

    .stage-toolbar-left,
    .stage-toolbar-right {
        display: flex;
        min-width: 0;
        align-items: center;
        gap: 7px;
    }

    .stage-toolbar-title {
        overflow: hidden;
        max-width: 38vw;
        color: var(--text-2);
        font-size: 0.7rem;
        font-weight: 620;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .stage-toolbar-meta {
        color: var(--text-4);
        font-size: 0.62rem;
        font-variant-numeric: tabular-nums;
        white-space: nowrap;
    }

    .tiny-btn {
        display: inline-flex;
        min-height: 30px;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 0 9px;
        border-radius: 8px;
        background: transparent;
        color: var(--text-3);
        font-size: 0.64rem;
        font-weight: 620;
    }

    .tiny-btn svg {
        width: 13px;
        height: 13px;
    }

    .tiny-btn.active {
        color: var(--cyan);
        border-color: rgba(93, 202, 255, 0.25);
        background: var(--cyan-soft);
    }

    .stage-canvas {
        position: relative;
        display: flex;
        min-width: 0;
        min-height: 0;
        flex: 1;
        align-items: center;
        justify-content: center;
        padding: 20px 24px 24px;
        overflow: hidden;
    }

    .stage-canvas::before {
        content: "";
        position: absolute;
        inset: 22px 28px 28px;
        border: 1px dashed rgba(255, 255, 255, 0.026);
        border-radius: 22px;
        pointer-events: none;
    }

    #slideCard {
        position: relative;
        display: flex;
        width: min(100%, 1180px);
        height: min(100%, 740px);
        min-width: 0;
        min-height: 300px;
        flex-direction: column;
        border: 1px solid var(--line-strong);
        border-radius: 20px;
        background:
            radial-gradient(circle at 75% 12%, rgba(93, 202, 255, 0.07), transparent 28%),
            linear-gradient(145deg, rgba(20, 29, 40, 0.98), rgba(11, 17, 24, 0.98));
        box-shadow:
            0 30px 70px rgba(0, 0, 0, 0.36),
            0 0 0 1px rgba(255, 255, 255, 0.015) inset;
        transform: scale(1);
        transform-origin: center center;
        transition:
            transform 180ms var(--ease-out),
            border-color 180ms var(--ease-soft),
            box-shadow 180ms var(--ease-soft);
        overflow: hidden;
    }

    body[data-theme="light"] #slideCard {
        background:
            radial-gradient(circle at 75% 12%, rgba(8, 127, 185, 0.05), transparent 28%),
            linear-gradient(145deg, #ffffff, #f8fbfd);
    }

    #slideCard:hover {
        border-color: rgba(255, 255, 255, 0.16);
    }

    .slide-card-frame {
        position: absolute;
        inset: 0;
        z-index: 0;
        border-radius: inherit;
        pointer-events: none;
    }

    .slide-card-frame::before {
        content: "";
        position: absolute;
        inset: 7px;
        border: 1px solid rgba(255, 255, 255, 0.025);
        border-radius: 15px;
    }

    #slideContent {
        position: relative;
        z-index: 2;
        display: flex;
        min-width: 0;
        min-height: 0;
        flex: 1;
        align-items: center;
        justify-content: center;
        padding: 28px;
        overflow: hidden;
    }

    #slideContent > canvas:not(#drawCanvas) {
        display: block;
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
        border-radius: 6px;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.24);
    }

    #slideContent .placeholder {
        color: var(--text-3);
        font-size: 0.86rem;
        font-weight: 570;
    }

    .stage-badge-row {
        position: absolute;
        z-index: 12;
        top: 12px;
        left: 12px;
        display: flex;
        align-items: center;
        gap: 6px;
        pointer-events: none;
    }

    .stage-badge {
        display: inline-flex;
        height: 26px;
        align-items: center;
        gap: 6px;
        padding: 0 9px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 999px;
        background: rgba(6, 10, 15, 0.68);
        color: rgba(235, 244, 250, 0.78);
        font-size: 0.61rem;
        font-weight: 620;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
    }

    .stage-badge .status-dot {
        width: 6px;
        height: 6px;
    }

    .stage-dock {
        position: absolute;
        z-index: 35;
        left: 50%;
        bottom: 14px;
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 6px;
        border: 1px solid var(--line);
        border-radius: 13px;
        background: rgba(7, 11, 16, 0.72);
        box-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        transform: translateX(-50%);
    }

    body[data-theme="light"] .stage-dock {
        background: rgba(255, 255, 255, 0.78);
    }

    .stage-btn {
        display: inline-flex;
        height: 34px;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 0 10px;
        border-radius: 8px;
        background: transparent;
        color: var(--text-2);
        font-size: 0.66rem;
        font-weight: 620;
    }

    .stage-btn svg {
        width: 14px;
        height: 14px;
    }

    .stage-btn.active {
        color: var(--cyan);
        border-color: rgba(93, 202, 255, 0.26);
        background: var(--cyan-soft);
    }

    .stage-btn.mouse-on {
        color: var(--mint);
        border-color: rgba(101, 230, 189, 0.26);
        background: var(--mint-soft);
    }

    .page-control {
        display: inline-flex;
        height: 34px;
        align-items: center;
        gap: 4px;
        padding: 0 7px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.02);
    }

    .page-control button {
        display: grid;
        width: 24px;
        height: 24px;
        place-items: center;
        padding: 0;
        border: 0;
        border-radius: 6px;
        background: transparent;
        color: var(--text-3);
        cursor: pointer;
    }

    .page-control button:hover {
        color: var(--text);
        background: var(--panel-hover);
    }

    .page-control .page-number {
        min-width: 48px;
        color: var(--text-2);
        font-size: 0.62rem;
        font-weight: 650;
        font-variant-numeric: tabular-nums;
        text-align: center;
    }

    #drawCanvas {
        position: absolute;
        z-index: 5;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
    }

    #laserDot {
        position: absolute;
        z-index: 18;
        width: 12px;
        height: 12px;
        border: 2px solid rgba(255, 255, 255, 0.9);
        border-radius: 50%;
        background: #ff555f;
        opacity: 0;
        box-shadow:
            0 0 0 3px rgba(255, 85, 95, 0.16),
            0 0 22px rgba(255, 85, 95, 0.9);
        pointer-events: none;
        transform: translate(-50%, -50%);
        transition:
            opacity 80ms linear,
            width 100ms linear,
            height 100ms linear;
    }

    #laserDot.active {
        opacity: 1;
    }

    #laserDot.highlighter {
        width: 18px;
        height: 18px;
        border-color: rgba(255, 255, 255, 0.86);
        background: #57ebb8;
        box-shadow:
            0 0 0 3px rgba(87, 235, 184, 0.14),
            0 0 22px rgba(87, 235, 184, 0.85);
    }

    #zoomIndicator {
        position: absolute;
        z-index: 25;
        right: 14px;
        bottom: 14px;
        display: inline-flex;
        height: 28px;
        align-items: center;
        padding: 0 9px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: rgba(4, 8, 12, 0.68);
        color: rgba(240, 247, 252, 0.84);
        font-size: 0.6rem;
        font-weight: 640;
        font-variant-numeric: tabular-nums;
        opacity: 0;
        box-shadow: var(--shadow-sm);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        pointer-events: none;
        transition: opacity 180ms var(--ease-soft);
    }

    #zoomIndicator.show {
        opacity: 1;
    }

    #gestureStatus {
        position: absolute;
        z-index: 40;
        top: 50%;
        left: 50%;
        display: grid;
        width: 76px;
        height: 76px;
        place-items: center;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 24px;
        background: rgba(7, 12, 17, 0.68);
        font-size: 2rem;
        opacity: 0;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        pointer-events: none;
        transform: translate(-50%, -50%) scale(0.82);
        transition:
            opacity 150ms var(--ease-soft),
            transform 180ms var(--ease-out);
    }

    #gestureStatus.show {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    #toast {
        position: fixed;
        z-index: 500;
        left: 50%;
        bottom: 56px;
        display: flex;
        min-height: 38px;
        max-width: min(560px, calc(100vw - 40px));
        align-items: center;
        justify-content: center;
        padding: 8px 14px;
        border: 1px solid var(--line-strong);
        border-radius: 11px;
        background: rgba(12, 18, 25, 0.9);
        color: var(--text);
        font-size: 0.7rem;
        font-weight: 620;
        line-height: 1.4;
        opacity: 0;
        box-shadow: 0 16px 42px rgba(0, 0, 0, 0.32);
        backdrop-filter: blur(16px) saturate(140%);
        -webkit-backdrop-filter: blur(16px) saturate(140%);
        pointer-events: none;
        transform: translate(-50%, 10px);
        transition:
            opacity 170ms var(--ease-soft),
            transform 170ms var(--ease-out);
    }

    #toast.show {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    .camera-card {
        position: relative;
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        background: #030507;
        box-shadow: var(--shadow-md);
        overflow: hidden;
    }

    #pip-wrapper {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 9;
        border-radius: 0;
        overflow: hidden;
        background:
            radial-gradient(circle at 50% 30%, rgba(93, 202, 255, 0.1), transparent 50%),
            #05080b;
    }

    #pip-video {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: contain;
        transform: scaleX(-1);
        background: #030507;
    }

    #pip-overlay {
        position: absolute;
        z-index: 4;
        inset: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
    }

    .camera-vignette {
        position: absolute;
        z-index: 5;
        inset: 0;
        background:
            linear-gradient(180deg, rgba(0, 0, 0, 0.32), transparent 25%, transparent 68%, rgba(0, 0, 0, 0.46)),
            radial-gradient(circle, transparent 45%, rgba(0, 0, 0, 0.17) 100%);
        pointer-events: none;
    }

    .camera-topline {
        position: absolute;
        z-index: 8;
        top: 8px;
        left: 8px;
        right: 8px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 6px;
        pointer-events: none;
    }

    .camera-label {
        display: inline-flex;
        min-height: 22px;
        align-items: center;
        gap: 6px;
        padding: 0 7px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 999px;
        background: rgba(5, 8, 11, 0.58);
        color: rgba(255, 255, 255, 0.76);
        font-size: 0.55rem;
        font-weight: 650;
        letter-spacing: 0.03em;
        backdrop-filter: blur(8px);
    }

    .camera-label.live {
        color: #b9f5df;
    }

    .camera-label.live .status-dot {
        background: #64e6ba;
        box-shadow: 0 0 8px rgba(100, 230, 186, 0.7);
    }

    #finger-count {
        position: absolute;
        z-index: 9;
        right: 8px;
        bottom: 8px;
        display: inline-flex;
        min-height: 24px;
        align-items: center;
        gap: 5px;
        padding: 0 8px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 999px;
        background: rgba(4, 7, 10, 0.62);
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.57rem;
        font-weight: 630;
        backdrop-filter: blur(8px);
        transition: opacity 180ms var(--ease-soft);
    }

    #finger-count.hidden {
        opacity: 0;
        pointer-events: none;
    }

    .camera-footer {
        display: flex;
        min-height: 38px;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        padding: 7px 9px;
        border-top: 1px solid var(--line);
        background: var(--panel-soft);
    }

    .camera-footer-copy {
        display: grid;
        min-width: 0;
        gap: 1px;
    }

    .camera-footer-title {
        color: var(--text-2);
        font-size: 0.61rem;
        font-weight: 630;
    }

    .camera-footer-meta {
        color: var(--text-4);
        font-size: 0.54rem;
    }

    .mini-icon-btn {
        display: grid;
        width: 27px;
        height: 27px;
        place-items: center;
        padding: 0;
        border: 1px solid var(--line);
        border-radius: 7px;
        background: transparent;
        color: var(--text-3);
        cursor: pointer;
    }

    .mini-icon-btn:hover {
        color: var(--text);
        background: var(--panel-hover);
    }

    .mini-icon-btn svg {
        width: 13px;
        height: 13px;
    }

    .metric-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 7px;
    }

    .metric-card {
        display: grid;
        min-width: 0;
        min-height: 62px;
        align-content: center;
        gap: 4px;
        padding: 9px 10px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.018);
    }

    .metric-label {
        overflow: hidden;
        color: var(--text-4);
        font-size: 0.55rem;
        font-weight: 650;
        letter-spacing: 0.05em;
        text-overflow: ellipsis;
        text-transform: uppercase;
        white-space: nowrap;
    }

    .metric-value {
        overflow: hidden;
        color: var(--text);
        font-size: 0.82rem;
        font-weight: 670;
        font-variant-numeric: tabular-nums;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .metric-value.cyan {
        color: var(--cyan);
    }

    .metric-value.mint {
        color: var(--mint);
    }

    .metric-value.amber {
        color: var(--amber);
    }

    .confidence-block {
        display: grid;
        gap: 7px;
        margin-top: 9px;
    }

    .confidence-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        color: var(--text-3);
        font-size: 0.6rem;
        font-weight: 590;
    }

    .confidence-value {
        color: var(--text-2);
        font-variant-numeric: tabular-nums;
    }

    .meter {
        position: relative;
        height: 5px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.055);
        overflow: hidden;
    }

    .meter > span {
        display: block;
        width: 0%;
        height: 100%;
        border-radius: inherit;
        background: linear-gradient(90deg, var(--mint), var(--cyan));
        box-shadow: 0 0 12px var(--mint-glow);
        transition: width 130ms linear;
    }

    .control-list {
        display: grid;
        gap: 3px;
    }

    .control-row {
        display: flex;
        min-height: 39px;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 6px 3px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.035);
    }

    .control-row:last-child {
        border-bottom: 0;
    }

    .control-copy {
        display: grid;
        min-width: 0;
        gap: 1px;
    }

    .control-title {
        overflow: hidden;
        color: var(--text-2);
        font-size: 0.64rem;
        font-weight: 620;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .control-note {
        overflow: hidden;
        color: var(--text-4);
        font-size: 0.54rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .switch {
        position: relative;
        width: 34px;
        height: 20px;
        flex: 0 0 auto;
    }

    .switch input {
        position: absolute;
        width: 1px;
        height: 1px;
        opacity: 0;
        pointer-events: none;
    }

    .switch-track {
        position: absolute;
        inset: 0;
        border: 1px solid var(--line-strong);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.045);
        cursor: pointer;
        transition:
            border-color 140ms var(--ease-soft),
            background 140ms var(--ease-soft);
    }

    .switch-track::after {
        content: "";
        position: absolute;
        top: 3px;
        left: 3px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--text-3);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.24);
        transition:
            transform 150ms var(--ease-out),
            background 150ms var(--ease-soft);
    }

    .switch input:checked + .switch-track {
        border-color: rgba(93, 202, 255, 0.28);
        background: var(--cyan-soft);
    }

    .switch input:checked + .switch-track::after {
        background: var(--cyan);
        transform: translateX(14px);
    }

    .shortcut-list {
        display: grid;
        gap: 5px;
    }

    .shortcut-row {
        display: flex;
        min-height: 28px;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        color: var(--text-3);
        font-size: 0.6rem;
    }

    .shortcut-row kbd {
        min-width: 22px;
        padding: 3px 6px;
        border: 1px solid var(--line);
        border-bottom-color: var(--line-strong);
        border-radius: 5px;
        background: rgba(255, 255, 255, 0.025);
        color: var(--text-2);
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-size: 0.55rem;
        font-weight: 650;
        text-align: center;
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset;
    }

    .status-dot {
        display: inline-block;
        width: 7px;
        height: 7px;
        flex: 0 0 auto;
        border-radius: 50%;
        background: var(--text-4);
    }

    .status-dot.online {
        background: var(--green);
        box-shadow: 0 0 8px rgba(110, 231, 167, 0.62);
    }

    .status-dot.busy {
        background: var(--amber);
        box-shadow: 0 0 8px rgba(246, 201, 107, 0.58);
    }

    .status-dot.offline {
        background: var(--red);
        box-shadow: 0 0 8px rgba(255, 118, 118, 0.5);
    }

    .statusbar {
        position: relative;
        z-index: 140;
        display: grid;
        min-width: 0;
        height: var(--status-h);
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        align-items: center;
        gap: 10px;
        padding: 0 14px;
        border-top: 1px solid var(--line);
        background: rgba(8, 13, 18, 0.86);
        color: var(--text-3);
        font-size: 0.61rem;
        font-weight: 580;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }

    body[data-theme="light"] .statusbar {
        background: rgba(248, 251, 253, 0.9);
    }

    .statusbar-left,
    .statusbar-center,
    .statusbar-right {
        display: flex;
        min-width: 0;
        align-items: center;
        gap: 11px;
    }

    .statusbar-center {
        justify-content: center;
    }

    .statusbar-right {
        justify-content: flex-end;
    }

    .status-item {
        display: inline-flex;
        min-width: 0;
        align-items: center;
        gap: 6px;
        white-space: nowrap;
    }

    .status-item strong {
        color: var(--text-2);
        font-weight: 650;
    }

    .status-separator {
        width: 1px;
        height: 14px;
        background: var(--line);
    }

    .statusbar .fps {
        color: var(--cyan);
        font-variant-numeric: tabular-nums;
    }

    .statusbar .gesture-indicator {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    #hand-cursor {
        position: fixed;
        z-index: 9999;
        top: 0;
        left: 0;
        width: 20px;
        height: 20px;
        border: 2px solid var(--mint);
        border-radius: 50%;
        opacity: 0;
        box-shadow:
            0 0 0 4px rgba(101, 230, 189, 0.1),
            0 0 18px rgba(101, 230, 189, 0.44);
        pointer-events: none;
        will-change: transform, opacity;
        transition:
            opacity 160ms var(--ease-soft),
            width 100ms var(--ease-out),
            height 100ms var(--ease-out),
            border-color 100ms var(--ease-soft),
            box-shadow 100ms var(--ease-soft);
    }

    #hand-cursor::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--mint);
        transform: translate(-50%, -50%);
    }

    #hand-cursor.active {
        opacity: 1;
    }

    #hand-cursor.flash {
        border-color: #ffffff;
        box-shadow:
            0 0 0 6px rgba(255, 255, 255, 0.12),
            0 0 24px rgba(255, 255, 255, 0.7);
    }

    #hand-cursor.pinching {
        width: 16px;
        height: 16px;
        border-color: var(--amber);
        box-shadow:
            0 0 0 4px rgba(246, 201, 107, 0.12),
            0 0 18px rgba(246, 201, 107, 0.5);
    }

    #hand-cursor.dragging {
        border-style: dashed;
    }

    #hand-cursor.right-click {
        border-color: var(--red);
        box-shadow:
            0 0 0 4px rgba(255, 118, 118, 0.12),
            0 0 18px rgba(255, 118, 118, 0.5);
    }

    #errorBox {
        position: fixed;
        z-index: 10000;
        top: 86px;
        right: 18px;
        display: none;
        max-width: min(360px, calc(100vw - 36px));
        padding: 12px 14px;
        border: 1px solid rgba(255, 118, 118, 0.26);
        border-radius: 11px;
        background: rgba(50, 16, 20, 0.92);
        color: #ffdada;
        font-size: 0.68rem;
        font-weight: 590;
        line-height: 1.5;
        box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
        backdrop-filter: blur(16px);
    }

    .backdrop {
        position: fixed;
        z-index: 700;
        inset: 0;
        background: rgba(3, 6, 9, 0.48);
        opacity: 0;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        pointer-events: none;
        transition: opacity 180ms var(--ease-soft);
    }

    .backdrop.show {
        opacity: 1;
        pointer-events: auto;
    }

    .drawer {
        position: fixed;
        z-index: 760;
        top: 0;
        right: 0;
        display: flex;
        width: min(400px, calc(100vw - 24px));
        height: 100%;
        flex-direction: column;
        border-left: 1px solid var(--line-strong);
        background: var(--panel-strong);
        box-shadow: -24px 0 70px rgba(0, 0, 0, 0.28);
        transform: translateX(103%);
        transition: transform 220ms var(--ease-out);
    }

    .drawer.show {
        transform: translateX(0);
    }

    .drawer-header {
        display: flex;
        min-height: 66px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 0 16px 0 18px;
        border-bottom: 1px solid var(--line);
    }

    .drawer-title {
        display: grid;
        gap: 2px;
    }

    .drawer-title strong {
        color: var(--text);
        font-size: 0.86rem;
        font-weight: 680;
    }

    .drawer-title span {
        color: var(--text-3);
        font-size: 0.61rem;
    }

    .drawer-body {
        min-height: 0;
        flex: 1;
        overflow-y: auto;
        padding: 16px;
    }

    .settings-group {
        display: grid;
        gap: 8px;
        margin-bottom: 20px;
    }

    .settings-group-title {
        color: var(--text-3);
        font-size: 0.62rem;
        font-weight: 680;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }

    .setting-row {
        display: flex;
        min-height: 52px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 9px 10px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: var(--panel-soft);
    }

    .setting-copy {
        display: grid;
        min-width: 0;
        gap: 2px;
    }

    .setting-copy strong {
        color: var(--text-2);
        font-size: 0.67rem;
        font-weight: 640;
    }

    .setting-copy span {
        color: var(--text-4);
        font-size: 0.56rem;
        line-height: 1.35;
    }

    .select-field {
        min-width: 112px;
        height: 32px;
        padding: 0 8px;
        border: 1px solid var(--line-strong);
        border-radius: 8px;
        outline: none;
        background: var(--bg-2);
        color: var(--text-2);
        font-size: 0.62rem;
        cursor: pointer;
    }

    .modal {
        position: fixed;
        z-index: 780;
        top: 50%;
        left: 50%;
        display: grid;
        width: min(620px, calc(100vw - 32px));
        max-height: min(720px, calc(100vh - 48px));
        grid-template-rows: auto minmax(0, 1fr);
        border: 1px solid var(--line-strong);
        border-radius: 18px;
        background: var(--panel-strong);
        opacity: 0;
        box-shadow: 0 38px 100px rgba(0, 0, 0, 0.46);
        pointer-events: none;
        transform: translate(-50%, -48%) scale(0.97);
        transition:
            opacity 180ms var(--ease-soft),
            transform 190ms var(--ease-out);
        overflow: hidden;
    }

    .modal.show {
        opacity: 1;
        pointer-events: auto;
        transform: translate(-50%, -50%) scale(1);
    }

    .modal-header {
        display: flex;
        min-height: 64px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 0 16px 0 18px;
        border-bottom: 1px solid var(--line);
    }

    .modal-heading {
        display: grid;
        gap: 2px;
    }

    .modal-heading strong {
        color: var(--text);
        font-size: 0.86rem;
        font-weight: 680;
    }

    .modal-heading span {
        color: var(--text-3);
        font-size: 0.61rem;
    }

    .modal-body {
        min-height: 0;
        overflow-y: auto;
        padding: 16px;
    }

    .shortcut-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 9px;
    }

    .shortcut-card {
        display: flex;
        min-height: 54px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 10px 11px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: var(--panel-soft);
    }

    .shortcut-card-copy {
        display: grid;
        min-width: 0;
        gap: 2px;
    }

    .shortcut-card-copy strong {
        color: var(--text-2);
        font-size: 0.65rem;
        font-weight: 640;
    }

    .shortcut-card-copy span {
        color: var(--text-4);
        font-size: 0.55rem;
    }

    .shortcut-card kbd {
        flex: 0 0 auto;
        min-width: 28px;
        padding: 5px 7px;
        border: 1px solid var(--line-strong);
        border-bottom-width: 2px;
        border-radius: 7px;
        background: rgba(255, 255, 255, 0.025);
        color: var(--text-2);
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-size: 0.59rem;
        font-weight: 700;
        text-align: center;
    }

    .panel-collapsed-left .workspace {
        grid-template-columns: 0 minmax(0, 1fr) var(--right-w);
    }

    .panel-collapsed-left .sidebar {
        width: 0;
        border-right-color: transparent;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transform: translateX(-14px);
    }

    .panel-collapsed-right .workspace {
        grid-template-columns: var(--left-w) minmax(0, 1fr) 0;
    }

    .panel-collapsed-right .inspector {
        width: 0;
        border-left-color: transparent;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transform: translateX(14px);
    }

    .panel-collapsed-left.panel-collapsed-right .workspace {
        grid-template-columns: 0 minmax(0, 1fr) 0;
    }

    .pip-hidden .camera-card {
        display: none;
    }

    .compact-mode .topbar {
        --topbar-h: 60px;
    }

    .compact-mode .panel-heading {
        min-height: 38px;
    }

    .compact-mode .panel-scroll {
        padding-top: 10px;
    }

    .compact-mode .panel-section {
        margin-bottom: 10px;
    }

    .compact-mode .stage-toolbar {
        min-height: 42px;
        padding-top: 5px;
        padding-bottom: 5px;
    }

    .reduced-motion *,
    .reduced-motion *::before,
    .reduced-motion *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
    }

    @media (max-width: 1180px) {
        :root {
            --left-w: 222px;
            --right-w: 270px;
        }

        .brand-subtitle {
            display: none;
        }

        .presentation-chip {
            max-width: 300px;
        }

        .stage-canvas {
            padding-right: 18px;
            padding-left: 18px;
        }

        .stage-btn .label-desktop {
            display: none;
        }
    }

    @media (max-width: 980px) {
        .workspace {
            grid-template-columns: 0 minmax(0, 1fr) var(--right-w);
        }

        .sidebar {
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: min(286px, calc(100vw - 64px));
            border-right: 1px solid var(--line-strong);
            box-shadow: 24px 0 60px rgba(0, 0, 0, 0.28);
            opacity: 0;
            pointer-events: none;
            transform: translateX(-102%);
        }

        body:not(.panel-collapsed-left) .sidebar {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(0);
        }

        .panel-collapsed-left .workspace,
        .panel-collapsed-left.panel-collapsed-right .workspace {
            grid-template-columns: 0 minmax(0, 1fr) var(--right-w);
        }

        .topbar-center {
            justify-content: flex-start;
        }

        .presentation-chip {
            max-width: 240px;
        }

        .statusbar {
            grid-template-columns: minmax(0, 1fr) auto;
        }

        .statusbar-center {
            display: none;
        }
    }

    @media (max-width: 760px) {
        :root {
            --topbar-h: 64px;
            --right-w: 0px;
        }

        .topbar {
            grid-template-columns: auto 1fr auto;
            padding-right: 10px;
            padding-left: 10px;
        }

        .brand-copy {
            display: none;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
        }

        .presentation-chip {
            max-width: none;
        }

        .presentation-chip-meta {
            display: none;
        }

        .topbar-actions .hide-mobile {
            display: none;
        }

        .workspace,
        .panel-collapsed-left .workspace,
        .panel-collapsed-right .workspace,
        .panel-collapsed-left.panel-collapsed-right .workspace {
            grid-template-columns: 0 minmax(0, 1fr) 0;
        }

        .inspector {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(300px, calc(100vw - 54px));
            border-left: 1px solid var(--line-strong);
            box-shadow: -24px 0 60px rgba(0, 0, 0, 0.28);
            opacity: 0;
            pointer-events: none;
            transform: translateX(102%);
        }

        body:not(.panel-collapsed-right) .inspector {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(0);
        }

        .stage-toolbar {
            padding-right: 8px;
            padding-left: 8px;
        }

        .stage-toolbar-title {
            max-width: 48vw;
        }

        .stage-canvas {
            padding: 12px 10px 16px;
        }

        .stage-canvas::before {
            display: none;
        }

        #slideCard {
            min-height: 240px;
            border-radius: 14px;
        }

        #slideContent {
            padding: 16px;
        }

        .stage-dock {
            bottom: 8px;
            gap: 4px;
            max-width: calc(100vw - 22px);
        }

        .stage-btn {
            width: 32px;
            padding: 0;
        }

        .stage-btn .label-desktop,
        .stage-btn .label-tablet {
            display: none;
        }

        .page-control {
            padding: 0 4px;
        }

        .page-control .page-number {
            min-width: 42px;
        }

        .statusbar {
            padding: 0 10px;
        }

        .statusbar-left .status-item:nth-child(n+3),
        .statusbar-right .status-item:first-child {
            display: none;
        }

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

    @media (max-width: 480px) {
        .topbar-center .presentation-chip {
            border-color: transparent;
            background: transparent;
            padding-right: 4px;
            padding-left: 4px;
        }

        .presentation-chip .status-dot {
            display: none;
        }

        .topbar-actions .primary-btn {
            width: 38px;
            padding: 0;
        }

        .topbar-actions .primary-btn .btn-label {
            display: none;
        }

        .stage-toolbar-meta {
            display: none;
        }

        .stage-canvas {
            padding: 8px 6px 12px;
        }

        .statusbar-right {
            display: none;
        }

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

    

/* ===== Preserved source style block boundary ===== */

/* =========================================================
   Velos — Black / Silver visual system
   Visual-only override: layout and core UI remain unchanged.
   ========================================================= */

:root {
    color-scheme: dark;

    --bg-0: #020202;
    --bg-1: #040404;
    --bg-2: #080808;
    --bg-3: #0d0d0f;

    --panel: rgba(9, 9, 10, 0.86);
    --panel-strong: rgba(10, 10, 11, 0.97);
    --panel-soft: rgba(255, 255, 255, 0.028);
    --panel-hover: rgba(255, 255, 255, 0.065);

    --line: rgba(222, 222, 228, 0.095);
    --line-strong: rgba(232, 232, 238, 0.18);
    --line-accent: rgba(225, 225, 232, 0.34);

    --text: #f2f2f4;
    --text-2: #c6c6cb;
    --text-3: #8e8e95;
    --text-4: #626269;

    /* Existing accent variable names are retained so JS/UI state stays untouched. */
    --cyan: #d8d8dc;
    --cyan-soft: rgba(216, 216, 220, 0.10);
    --cyan-glow: rgba(230, 230, 235, 0.24);

    --mint: #bdbdc3;
    --mint-soft: rgba(198, 198, 204, 0.10);
    --mint-glow: rgba(220, 220, 226, 0.22);

    --violet: #aaaab0;
    --violet-soft: rgba(190, 190, 198, 0.10);

    --amber: #c8c8cd;
    --amber-soft: rgba(200, 200, 205, 0.10);

    --red: #dc777d;
    --red-soft: rgba(220, 119, 125, 0.12);

    --green: #d7d7dc;
    --green-soft: rgba(215, 215, 220, 0.10);

    --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.30);
    --shadow-md: 0 20px 52px rgba(0, 0, 0, 0.42);
    --shadow-lg: 0 36px 90px rgba(0, 0, 0, 0.58);
}

/* If the appearance control is used, retain the same monochrome identity. */
body[data-theme="light"] {
    color-scheme: dark;

    --bg-0: #020202;
    --bg-1: #040404;
    --bg-2: #080808;
    --bg-3: #0d0d0f;

    --panel: rgba(9, 9, 10, 0.86);
    --panel-strong: rgba(10, 10, 11, 0.97);
    --panel-soft: rgba(255, 255, 255, 0.028);
    --panel-hover: rgba(255, 255, 255, 0.065);

    --line: rgba(222, 222, 228, 0.095);
    --line-strong: rgba(232, 232, 238, 0.18);
    --line-accent: rgba(225, 225, 232, 0.34);

    --text: #f2f2f4;
    --text-2: #c6c6cb;
    --text-3: #8e8e95;
    --text-4: #626269;

    --cyan: #d8d8dc;
    --cyan-soft: rgba(216, 216, 220, 0.10);
    --cyan-glow: rgba(230, 230, 235, 0.24);

    --mint: #bdbdc3;
    --mint-soft: rgba(198, 198, 204, 0.10);
    --mint-glow: rgba(220, 220, 226, 0.22);

    --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.30);
    --shadow-md: 0 20px 52px rgba(0, 0, 0, 0.42);
    --shadow-lg: 0 36px 90px rgba(0, 0, 0, 0.58);
}

html {
    background: #020202 !important;
}

body {
    background:
        radial-gradient(circle at 52% -15%, rgba(255, 255, 255, 0.065), transparent 34%),
        radial-gradient(circle at 88% 100%, rgba(255, 255, 255, 0.025), transparent 28%),
        #020202 !important;
}

/* Blueprint grid from the landing page, now in silver. */
body::before {
    content: "";
    position: fixed;
    z-index: 0;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(225,225,232,0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(225,225,232,0.055) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.65) 65%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.65) 65%, transparent 100%);
}

.app-shell {
    position: relative;
    z-index: 1;
}

/* Consistent black-glass surfaces. */
.topbar {
    background: rgba(4, 4, 5, 0.84) !important;
    border-bottom-color: rgba(225,225,232,0.10) !important;
    box-shadow: inset 0 -1px 0 rgba(255,255,255,0.018);
}

body[data-theme="light"] .topbar {
    background: rgba(4, 4, 5, 0.84) !important;
}

.sidebar,
.inspector {
    background: rgba(5, 5, 6, 0.76) !important;
}

body[data-theme="light"] .sidebar,
body[data-theme="light"] .inspector {
    background: rgba(5, 5, 6, 0.76) !important;
}

.statusbar,
body[data-theme="light"] .statusbar {
    background: rgba(4, 4, 5, 0.90) !important;
}

.stage-wrap {
    background:
        radial-gradient(circle at 50% 40%, rgba(255,255,255,0.025), transparent 46%),
        linear-gradient(180deg, rgba(255,255,255,0.006), rgba(255,255,255,0.002)) !important;
}

.stage-canvas {
    background:
        linear-gradient(rgba(225,225,232,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(225,225,232,0.035) 1px, transparent 1px);
    background-size: 28px 28px;
}

.stage-canvas::before {
    border-color: rgba(225,225,232,0.055) !important;
}

#slideCard,
body[data-theme="light"] #slideCard {
    background:
        radial-gradient(circle at 76% 10%, rgba(255,255,255,0.045), transparent 28%),
        linear-gradient(145deg, rgba(11,11,12,.99), rgba(4,4,5,.99)) !important;
    border-color: rgba(230,230,236,0.16) !important;
    box-shadow:
        0 34px 84px rgba(0,0,0,.56),
        inset 0 0 0 1px rgba(255,255,255,.018) !important;
}

#slideCard:hover {
    border-color: rgba(235,235,240,0.25) !important;
}

.slide-card-frame::before {
    border-color: rgba(235,235,240,0.035) !important;
}

.panel-section,
.metric-card,
.setting-row,
.shortcut-card,
.presentation-chip {
    border-color: rgba(225,225,232,0.095) !important;
}

.panel-section {
    background:
        linear-gradient(180deg, rgba(255,255,255,.018), transparent),
        rgba(255,255,255,.018) !important;
}

.deck-thumb {
    background:
        radial-gradient(circle at 68% 24%, rgba(255,255,255,.065), transparent 40%),
        linear-gradient(145deg, #101011, #070708) !important;
    border-color: rgba(230,230,236,.16) !important;
}

body[data-theme="light"] .deck-thumb {
    background:
        radial-gradient(circle at 68% 24%, rgba(255,255,255,.065), transparent 40%),
        linear-gradient(145deg, #101011, #070708) !important;
}

/* Silver progress/meters instead of blue/green. */
.progress-value,
.meter > span {
    background: linear-gradient(90deg, #8f8f96, #ededf0) !important;
    box-shadow: 0 0 16px rgba(235,235,240,.20) !important;
}

/* Camera card mirrors the black/silver visual language. */
.camera-card {
    background: #020202 !important;
    border-color: rgba(225,225,232,.11) !important;
}

#pip-wrapper {
    background:
        radial-gradient(circle at 50% 30%, rgba(255,255,255,.055), transparent 50%),
        #020202 !important;
}

/* Make every inline SVG actually visible and recognizable.
   Several original SVGs used fill="none" but did not specify a stroke. */
button svg,
.primary-btn svg,
.icon-btn svg,
.tool-btn svg,
.tiny-btn svg,
.stage-btn svg,
.mini-icon-btn svg,
.section-label svg,
.brand-mark svg {
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Silver icon treatment */
.icon-btn,
.tool-btn,
.tiny-btn,
.stage-btn,
.mini-icon-btn {
    color: #a8a8af;
}

.icon-btn svg,
.tool-btn svg,
.tiny-btn svg,
.stage-btn svg,
.mini-icon-btn svg {
    filter: drop-shadow(0 0 8px rgba(255,255,255,.06));
}

.brand-mark {
    border-color: rgba(230,230,236,.18) !important;
    background:
        linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.018)),
        rgba(255,255,255,.015) !important;
    box-shadow:
        0 8px 22px rgba(0,0,0,.34),
        inset 0 0 22px rgba(255,255,255,.025) !important;
}

.brand-mark svg {
    color: #d8d8dc !important;
    stroke: currentColor !important;
    filter: drop-shadow(0 0 10px rgba(255,255,255,.12)) !important;
}

.icon-btn.active,
.tool-btn.active,
.stage-btn.active,
.tiny-btn.active {
    color: #eeeeF1 !important;
    border-color: rgba(232,232,238,.26) !important;
    background: rgba(255,255,255,.075) !important;
}

.tool-btn.mouse-on,
.stage-btn.mouse-on {
    color: #eeeeF1 !important;
    border-color: rgba(232,232,238,.26) !important;
    background: rgba(255,255,255,.075) !important;
}

.tool-btn.active svg,
.tool-btn.active .tool-btn-state,
.tool-btn.mouse-on svg,
.tool-btn.mouse-on .tool-btn-state,
.stage-btn.active,
.stage-btn.mouse-on,
.metric-value.cyan,
.metric-value.mint,
.metric-value.amber,
.statusbar .fps {
    color: #d8d8dc !important;
}

/* The primary file button keeps its prominence but becomes metallic silver. */
.primary-btn {
    border-color: rgba(235,235,240,.34) !important;
    background: linear-gradient(180deg, rgba(255,255,255,.13), rgba(255,255,255,.055)) !important;
    color: #f0f0f2 !important;
    box-shadow:
        0 10px 24px rgba(0,0,0,.30),
        inset 0 1px 0 rgba(255,255,255,.08) !important;
}

.primary-btn:hover {
    border-color: rgba(245,245,248,.52) !important;
    background: linear-gradient(180deg, rgba(255,255,255,.17), rgba(255,255,255,.075)) !important;
}

/* Silver status states; error remains red for safety/clarity. */
.status-dot.online,
.camera-label.live .status-dot {
    background: #d9d9dd !important;
    box-shadow: 0 0 9px rgba(255,255,255,.46) !important;
}

.status-dot.busy {
    background: #aaaab0 !important;
    box-shadow: 0 0 8px rgba(220,220,225,.28) !important;
}

.camera-label.live {
    color: #e4e4e7 !important;
}

/* Monochrome presenter overlays. */
.stage-badge,
.camera-label {
    border-color: rgba(230,230,236,.11) !important;
    background: rgba(3,3,4,.70) !important;
}

.stage-dock,
body[data-theme="light"] .stage-dock {
    background: rgba(3,3,4,.78) !important;
    border-color: rgba(230,230,236,.12) !important;
    box-shadow: 0 16px 42px rgba(0,0,0,.48) !important;
}

#zoomIndicator,
#gestureStatus,
#toast {
    background: rgba(4,4,5,.88) !important;
    border-color: rgba(230,230,236,.16) !important;
}

/* Functional cursor/hand tracking uses silver too. */
#hand-cursor {
    border-color: #d5d5d9 !important;
    box-shadow:
        0 0 0 4px rgba(255,255,255,.075),
        0 0 18px rgba(255,255,255,.28) !important;
}

#hand-cursor::after {
    background: #d5d5d9 !important;
}

/* Keep click/error states distinguishable. */
#hand-cursor.pinching {
    border-color: #f0f0f2 !important;
}

#hand-cursor.right-click {
    border-color: var(--red) !important;
}

/* Laser stays red because it is a semantic presentation tool.
   Highlighter becomes neutral silver-white to match the theme. */
#laserDot.highlighter {
    border-color: rgba(255,255,255,.92) !important;
    background: #d9d9de !important;
    box-shadow:
        0 0 0 3px rgba(255,255,255,.10),
        0 0 22px rgba(255,255,255,.55) !important;
}

/* Inputs and switches remain visually consistent. */
.select-field {
    background: #070708 !important;
    border-color: rgba(230,230,236,.15) !important;
    color: #c9c9ce !important;
}

.switch input:checked + .switch-track {
    border-color: rgba(235,235,240,.24) !important;
    background: rgba(255,255,255,.075) !important;
}

.switch input:checked + .switch-track::after {
    background: #ddddE1 !important;
}

/* Visible focus ring in silver. */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline-color: #d8d8dc !important;
}

::selection {
    color: #050505 !important;
    background: #d8d8dc !important;
}

/* All button icons remain legible at compact/mobile sizes. */
@media (max-width: 760px) {
    .stage-btn svg,
    .icon-btn svg,
    .primary-btn svg {
        min-width: 15px;
        min-height: 15px;
    }
}

/* ===== Preserved source style block boundary ===== */

/* ==========================================
   🚀 HIDDEN ELEMENTS (Original Rules)
   ========================================== */
[data-testid="accounts-profile-button"],
[data-testid="conversation-options-button"],
[aria-description="Share sheet"],
#modal-account-payment,
#modal-conversation-history-rate-limit,
a[href="/library"],
a[href="/Invite team members"],
a[href="/apps"],
a[href="/logout"],
a[href="/admin"],
a[href="/deep-research"] {
  display: none !important;
}

#notice_share {
  padding: 0 !important;
  overflow: hidden;
}

/* ==========================================
   🚀 COMBINED SCROLL UNLOCK (Wheel & Touch Fix)
   ========================================== */
html, body, #__next, [data-scroll-locked] {
    overflow: visible !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    padding-right: 0 !important; 
}

.flex-1.overflow-hidden, 
.react-scroll-to-bottom--css {
    overflow-y: auto !important;
    pointer-events: auto !important;
}

div[role="dialog"] ~ div[aria-hidden="true"][style*="position: fixed"] {
    display: none !important;
    pointer-events: none !important;
}/* ==========================================
   🚀 HIDDEN ELEMENTS (Original Rules)
   ========================================== */
[data-testid="accounts-profile-button"],
[data-testid="conversation-options-button"],
[aria-description="Share sheet"],
#modal-account-payment,
#modal-conversation-history-rate-limit,
a[href="/library"],
a[href="/Invite team members"],
a[href="/apps"],
a[href="/logout"],
a[href="/admin"],
a[href="/deep-research"] {
  display: none !important;
}

#notice_share {
  padding: 0 !important;
  overflow: hidden;
}

/* ==========================================
   🚀 COMBINED SCROLL UNLOCK (Wheel & Touch Fix)
   ========================================== */
html, body, #__next, [data-scroll-locked] {
    overflow: visible !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    padding-right: 0 !important; 
}

.flex-1.overflow-hidden, 
.react-scroll-to-bottom--css {
    overflow-y: auto !important;
    pointer-events: auto !important;
}

div[role="dialog"] ~ div[aria-hidden="true"][style*="position: fixed"] {
    display: none !important;
    pointer-events: none !important;
}

/* ===== Preserved source style block boundary ===== */

/* ==========================================
   🚀 HIDDEN ELEMENTS (Original Rules)
   ========================================== */
[data-testid="accounts-profile-button"],
[data-testid="conversation-options-button"],
[aria-description="Share sheet"],
#modal-account-payment,
#modal-conversation-history-rate-limit,
a[href="/library"],
a[href="/Invite team members"],
a[href="/apps"],
a[href="/logout"],
a[href="/admin"],
a[href="/deep-research"] {
  display: none !important;
}

#notice_share {
  padding: 0 !important;
  overflow: hidden;
}

/* ==========================================
   🚀 COMBINED SCROLL UNLOCK (Wheel & Touch Fix)
   ========================================== */
html, body, #__next, [data-scroll-locked] {
    overflow: visible !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    padding-right: 0 !important; 
}

.flex-1.overflow-hidden, 
.react-scroll-to-bottom--css {
    overflow-y: auto !important;
    pointer-events: auto !important;
}

div[role="dialog"] ~ div[aria-hidden="true"][style*="position: fixed"] {
    display: none !important;
    pointer-events: none !important;
}/* ==========================================
   🚀 HIDDEN ELEMENTS (Original Rules)
   ========================================== */
[data-testid="accounts-profile-button"],
[data-testid="conversation-options-button"],
[aria-description="Share sheet"],
#modal-account-payment,
#modal-conversation-history-rate-limit,
a[href="/library"],
a[href="/Invite team members"],
a[href="/apps"],
a[href="/logout"],
a[href="/admin"],
a[href="/deep-research"] {
  display: none !important;
}

#notice_share {
  padding: 0 !important;
  overflow: hidden;
}

/* ==========================================
   🚀 COMBINED SCROLL UNLOCK (Wheel & Touch Fix)
   ========================================== */
html, body, #__next, [data-scroll-locked] {
    overflow: visible !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    padding-right: 0 !important; 
}

.flex-1.overflow-hidden, 
.react-scroll-to-bottom--css {
    overflow-y: auto !important;
    pointer-events: auto !important;
}

div[role="dialog"] ~ div[aria-hidden="true"][style*="position: fixed"] {
    display: none !important;
    pointer-events: none !important;
}