:root {
    --bg: #111;
    --panel: #171717;
    --ink: #f1f1f1;
    --muted: #9a9a9a;
    --accent: #ff7a18;
    --accent-2: #ff9b4a;
    --danger: #ff5b5b;
    --ring: rgba(255, 122, 24, .28);
    --shadow: 0 10px 30px rgba(0, 0, 0, .35)
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%;
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Noto Sans", sans-serif
}

a {
    color: var(--accent)
}

.wrap {
    display: grid;
    grid-template-rows:auto 1fr auto;
    min-height: 100%
}

header, footer {
    padding: 12px 16px
}

header {
    display: flex;
    gap: 12px;
    align-items: center;
    background: var(--panel);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 10
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px
}

.brand .logo {
    width: 28px;
    height: 28px;
    flex: 0 0 28px
}

.brand .title {
    font-weight: 800;
    letter-spacing: .2px
}

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

.grow {
    flex: 1
}

main {
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%
}

.stage {
    position: relative;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow)
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000
}

audio {
    display: none
}

.overlay {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 8px;
    pointer-events: none
}

.badge {
    pointer-events: auto;
    background: rgba(0, 0, 0, .55);
    color: var(--ink);
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 600;
    backdrop-filter: blur(4px)
}

.muted {
    color: var(--muted)
}

.controls {
    display: grid;
    gap: 8px;
    margin-top: 10px
}

.row {
    display: flex;
    gap: 8px;
    align-items: center
}

.btn {
    appearance: none;
    border: 0;
    background: #1c1c1c;
    color: var(--ink);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: var(--shadow);
    font-weight: 700;
    transition: transform .06s ease, box-shadow .2s ease, background .2s ease, outline .2s ease;
    outline: 1px solid rgba(255, 255, 255, .04)
}

.btn:hover {
    transform: translateY(-1px)
}

.btn.primary {
    background: linear-gradient(180deg, #2a2a2a, #1a1a1a);
    outline: 1px solid var(--ring);
    box-shadow: 0 0 0 2px rgba(255, 122, 24, .08) inset, var(--shadow)
}

.btn[disabled] {
    opacity: .5;
    cursor: not-allowed
}

.btn.tab {
    background: #1a1a1a
}

.btn.tab.active {
    outline: 1px solid var(--ring);
    box-shadow: 0 0 0 2px rgba(255, 122, 24, .12) inset
}

.sidebar {
    display: none
}

.small {
    font-size: 12px;
    color: var(--muted)
}

footer {
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap
}

kbd {
    background: #0e0e0e;
    border: 1px solid #262626;
    padding: 2px 6px;
    border-radius: 6px;
    font: 12px/1.2 ui-monospace, Menlo, Consolas, monospace;
    color: #ffd9bf
}

/* Spinner */
.loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: radial-gradient(closest-side, rgba(0, 0, 0, .35), rgba(0, 0, 0, 0));
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease
}

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

.ring {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, .2);
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
    box-shadow: 0 0 24px rgba(255, 122, 24, .35)
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

/* Lang switcher */
.lang {
    display: flex;
    gap: 6px;
    align-items: center
}

.chip {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid #2a2a2a;
    background: #141414;
    color: #d8d8d8;
    cursor: pointer;
    font-weight: 700
}

.chip.active {
    border-color: var(--accent);
    color: #fff
}