:root[data-tbb-theme] {
    color-scheme: dark;
    --tbb-page-bg: #0a0b0d;
    --tbb-surface: #161a1f;
    --tbb-accent: #f1c40f;
    --tbb-accent-rgb: 241 196 15;
    --tbb-secondary: #69b4ef;
    --tbb-text: #e0e6ed;
    --tbb-muted: #a6b3c5;
    --tbb-border: #354053;
    --bg-dark: var(--tbb-page-bg);
    --bg: var(--tbb-page-bg);
    --panel-bg: var(--tbb-surface);
    --card-bg: var(--tbb-surface);
    --accent: var(--tbb-accent);
    --primary: var(--tbb-accent);
    --secondary: var(--tbb-secondary);
    --reg: var(--tbb-secondary);
    --accent-glow: rgb(var(--tbb-accent-rgb) / 25%);
    --text-main: var(--tbb-text);
    --text: var(--tbb-text);
    --text-dim: var(--tbb-muted);
    --text-muted: var(--tbb-muted);
    --muted: var(--tbb-muted);
    --border: var(--tbb-border);
}

:root[data-tbb-theme="dark-magician"] {
    --tbb-page-bg: #100b1d;
    --tbb-surface: #21162f;
    --tbb-accent: #d8afff;
    --tbb-accent-rgb: 216 175 255;
    --tbb-secondary: #eea1d3;
    --tbb-text: #f3eafa;
    --tbb-muted: #bfadcf;
    --tbb-border: #51375e;
}

:root[data-tbb-theme="blue-eyes"] {
    --tbb-page-bg: #07131f;
    --tbb-surface: #112538;
    --tbb-accent: #a8e3ff;
    --tbb-accent-rgb: 168 227 255;
    --tbb-secondary: #7fb6ff;
    --tbb-text: #e8f6ff;
    --tbb-muted: #acc4d7;
    --tbb-border: #31546e;
}

:root[data-tbb-theme="egyptian-gods"] {
    --tbb-page-bg: #191007;
    --tbb-surface: #2b2012;
    --tbb-accent: #f5ce73;
    --tbb-accent-rgb: 245 206 115;
    --tbb-secondary: #e9a27c;
    --tbb-text: #fff4da;
    --tbb-muted: #d0bea1;
    --tbb-border: #63502f;
}

:root[data-tbb-theme] body {
    background-color: var(--tbb-page-bg);
    color: var(--tbb-text);
}

:root[data-tbb-theme] h1,
:root[data-tbb-theme] h2 {
    color: var(--tbb-accent);
}

:root[data-tbb-theme] .promo-banner {
    background: linear-gradient(120deg, var(--tbb-surface), var(--tbb-page-bg));
    border-color: var(--tbb-secondary);
}

:root[data-tbb-theme] .tbb-document .container,
:root[data-tbb-theme] .option-box {
    background: var(--tbb-surface);
    border-color: var(--tbb-border);
}

:root[data-tbb-theme] .tbb-document a,
:root[data-tbb-theme] .tbb-document h1,
:root[data-tbb-theme] .tbb-document h2 {
    color: var(--tbb-accent);
}

body.tbb-card-atmosphere {
    position: relative;
    isolation: isolate;
}

.tbb-card-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    user-select: none;
    contain: strict;
}

.tbb-card-background::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 8% 24%, rgb(var(--tbb-accent-rgb) / 9%), transparent 45%),
        radial-gradient(ellipse at 94% 72%, rgb(var(--tbb-accent-rgb) / 7%), transparent 45%);
}

.tbb-background-card {
    position: absolute;
    left: var(--card-x);
    top: var(--card-y);
    width: var(--card-width);
    aspect-ratio: 268 / 391;
    opacity: 0;
    animation: tbb-card-drift var(--card-duration) ease-in-out var(--card-delay) infinite;
    will-change: transform, opacity;
}

.tbb-background-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 8px 30px rgb(0 0 0 / 35%), 0 0 18px rgb(var(--tbb-accent-rgb) / 10%);
    filter: saturate(.8) brightness(.9);
    opacity: 0;
    transition: opacity .8s ease;
}

.tbb-background-card img.is-loaded {
    opacity: 1;
}

.tbb-card-background.is-paused .tbb-background-card {
    animation-play-state: paused;
}

@keyframes tbb-card-drift {
    0% {
        opacity: 0;
        transform: translate3d(0, 45px, 0) rotate(var(--card-rotation));
    }
    20%, 65% {
        opacity: .24;
    }
    100% {
        opacity: 0;
        transform: translate3d(var(--card-drift), -65px, 0) rotate(var(--card-end-rotation));
    }
}

.tbb-site-preferences {
    position: fixed;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: max(12px, env(safe-area-inset-left));
    z-index: 20;
    max-width: calc(100vw - 24px);
    box-sizing: border-box;
    border: 1px solid var(--tbb-border);
    border-radius: 12px;
    background: var(--tbb-page-bg);
    box-shadow: 0 4px 20px rgb(0 0 0 / 25%);
    color: var(--tbb-muted);
    font: 12px/1.4 system-ui, sans-serif;
}

.tbb-appearance-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    border: 0;
    border-radius: inherit;
    background: var(--tbb-surface);
    color: var(--tbb-text);
    cursor: pointer;
    font: 600 12px/1.5 system-ui, sans-serif;
}
.tbb-appearance-trigger::before { content: '◐'; color: var(--tbb-accent); font-size: 17px; line-height: 1; }
.tbb-appearance-trigger[aria-expanded="true"] { color: var(--tbb-accent); }
.tbb-appearance-panel {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    display: grid;
    gap: 16px;
    box-sizing: border-box;
    width: 270px;
    max-width: calc(100vw - 24px);
    padding: 18px;
    border: 1px solid var(--tbb-border);
    border-radius: 12px;
    background: var(--tbb-page-bg);
    box-shadow: 0 10px 40px rgb(0 0 0 / 40%);
}
.tbb-appearance-panel[hidden] { display: none; }
.tbb-appearance-panel strong { color: var(--tbb-text); font-size: 14px; }
.tbb-appearance-panel .tbb-theme-label { justify-content: space-between; padding-left: 0; }
.tbb-appearance-panel .tbb-theme-label span { display: inline; }
.tbb-appearance-trigger:focus-visible { outline: 2px solid var(--tbb-accent); outline-offset: 3px; }

.tbb-theme-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding-left: 4px;
}

.tbb-theme-select {
    width: 146px;
    padding: 6px 4px;
    border: 1px solid var(--tbb-border);
    border-radius: 6px;
    background: var(--tbb-surface);
    color: var(--tbb-text);
    font: inherit;
    cursor: pointer;
}

.tbb-background-toggle {
    padding: 7px 11px;
    border: 1px solid var(--tbb-border);
    border-radius: 20px;
    background: var(--tbb-surface);
    color: var(--tbb-muted);
    font: 12px/1.4 system-ui, sans-serif;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}

.tbb-background-toggle:hover,
.tbb-background-toggle:focus-visible {
    border-color: var(--tbb-accent);
    color: var(--tbb-accent);
}

.tbb-background-toggle:focus-visible,
.tbb-theme-select:focus-visible,
.tbb-showcase-refresh:focus-visible {
    outline: 2px solid var(--tbb-accent);
    outline-offset: 3px;
}

@media (max-width: 700px) {
    .tbb-theme-label span {
        display: none;
    }

    .tbb-background-card {
        width: 85px;
    }
}

.tbb-showcase {
    margin: 0 0 44px;
    padding: 24px;
    border: 1px solid var(--tbb-border);
    border-radius: 14px;
    background: var(--tbb-surface);
}

.tbb-showcase-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.tbb-showcase h2 {
    margin: 0 0 8px;
    font-family: 'Orbitron', system-ui, sans-serif;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
}

.tbb-showcase p {
    margin: 0;
    color: var(--tbb-muted);
}

.tbb-showcase .tbb-eyebrow {
    margin-bottom: 8px;
    color: var(--tbb-secondary);
    font: 700 11px/1.5 system-ui, sans-serif;
    letter-spacing: 2px;
}

.tbb-showcase-refresh {
    padding: 8px 12px;
    border: 1px solid var(--tbb-border);
    border-radius: 8px;
    background: var(--tbb-page-bg);
    color: var(--tbb-text);
    cursor: pointer;
    font: 13px/1.4 system-ui, sans-serif;
}

.tbb-showcase-refresh:hover {
    border-color: var(--tbb-accent);
}

.tbb-showcase-refresh:disabled {
    cursor: wait;
    opacity: .6;
}

.tbb-pull-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(170px, 210px);
    gap: 16px;
    overflow-x: auto;
    padding: 4px 4px 14px;
    scroll-snap-type: x proximity;
}

.tbb-pull-grid:empty {
    display: none;
}

.tbb-pull {
    overflow: hidden;
    padding: 14px;
    border: 1px solid var(--tbb-border);
    border-radius: 10px;
    background: var(--tbb-page-bg);
    scroll-snap-align: start;
    overflow-wrap: anywhere;
}

.tbb-pull-art {
    display: grid;
    place-items: center;
    height: 205px;
    margin-bottom: 12px;
    border-radius: 8px;
    background: radial-gradient(ellipse, rgb(var(--tbb-accent-rgb) / 14%), transparent 75%);
    color: var(--tbb-muted);
}

.tbb-pull-art img {
    max-width: 100%;
    width: auto;
    height: 100%;
    object-fit: contain;
    border-radius: 5px;
}

.tbb-pull h3 {
    margin: 10px 0 8px;
    color: var(--tbb-text);
    font-size: 1rem;
    line-height: 1.35;
}

.tbb-pull-badge {
    display: inline-block;
    padding: 3px 7px;
    border: 1px solid var(--tbb-accent);
    border-radius: 5px;
    color: var(--tbb-accent);
    font: 700 10px/1.5 system-ui, sans-serif;
    text-transform: uppercase;
    letter-spacing: .6px;
}

.tbb-pull time {
    display: block;
    margin-top: 8px;
    color: var(--tbb-muted);
    font-size: .85rem;
}

@media (prefers-reduced-motion: reduce) {
    .tbb-background-card {
        animation: none;
        opacity: .1;
        transform: rotate(var(--card-rotation));
        will-change: auto;
    }

    .tbb-background-card img {
        transition: none;
    }

    .tbb-background-toggle {
        display: none;
    }
}