:root {
    color-scheme: dark;
    --background: #11131b;
    --surface: #191d29;
    --surface-raised: #242a3a;
    --surface-hover: #30394f;
    --input: #141824;
    --ink: #f3f4fa;
    --muted: #b6bed0;
    --line: #394358;
    --control-line: #647089;
    --accent: #c5b7ff;
    --accent-fill: #684bd0;
    --accent-hover: #7759dd;
    --focus: #b7a7ff;
    --error: #ffa8b0;
    --error-surface: #412630;
    --shadow: #06081099;
    --radius: 12px;
    --width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--background);
    font-family: Arial, sans-serif;
    line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

body > header {
    position: sticky;
    z-index: 5;
    top: 0;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}
body > header:not(:has(.header-inner)), .header-inner {
    max-width: var(--width);
    margin-inline: auto;
    padding: .6rem clamp(.85rem, 4vw, 2rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem 1.3rem;
}
.logo {
    color: var(--accent);
    font-size: 1.28rem;
    font-weight: 700;
    white-space: nowrap;
}
header nav { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
header nav form { margin: 0; }
.language-switch { white-space: nowrap; }
main {
    width: min(100%, var(--width));
    margin-inline: auto;
    padding: 1.4rem clamp(.85rem, 4vw, 2rem) 3rem;
}

h1, h2, p { margin-block: 0; overflow-wrap: anywhere; }
h1 { font-size: clamp(1.22rem, 2.6vw, 1.62rem); line-height: 1.35; }
h2 { font-size: 1.1rem; line-height: 1.45; }
small { color: var(--muted); }
.sr-only {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

button, .button, .text-link, header nav a, .form-actions a, .watch-player a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 2.125rem;
    padding: .36rem .7rem;
    border: 1px solid transparent;
    border-radius: 9px;
    background: var(--accent-fill);
    color: #fff;
    cursor: pointer;
    font-size: .88rem;
    font-weight: 700;
    line-height: 1.35;
    overflow-wrap: anywhere;
    text-align: center;
    text-decoration: none;
}
button:hover, .button:hover { background: var(--accent-hover); }
button:disabled { cursor: not-allowed; opacity: .65; }
.button.secondary, .text-link, header nav a, header nav button, .form-actions a, .watch-player a {
    border-color: var(--line);
    background: var(--surface-raised);
    color: var(--ink);
}
.button.secondary:hover, .text-link:hover, header nav a:hover, header nav button:hover, .form-actions a:hover, .watch-player a:hover {
    border-color: var(--control-line);
    background: var(--surface-hover);
    color: var(--accent);
}
header nav .language-switch { color: var(--accent); }
input:not([type="hidden"]), textarea {
    display: block;
    min-width: 0;
    width: 100%;
    padding: .55rem .75rem;
    border: 1px solid var(--control-line);
    border-radius: 9px;
    color: var(--ink);
    background: var(--input);
}
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
textarea { min-height: 6rem; resize: vertical; }
input[type="file"] { padding: .42rem; font-size: .92rem; }
input::file-selector-button {
    margin-inline-end: .65rem;
    padding: .38rem .65rem;
    border: 1px solid var(--control-line);
    border-radius: 7px;
    background: var(--surface-raised);
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}
input::file-selector-button:hover { background: var(--surface-hover); }

.search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .5rem;
    max-width: 36rem;
    margin: 0 auto 1.6rem;
}
.search-error { max-width: 36rem; margin: -1rem auto 1rem; }
.section-heading, .channel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .65rem;
    margin-block: 0 1rem;
}
.channels {
    margin-block-end: 1.8rem;
}
.channels h2 { margin-block-end: .55rem; }
.chs { display: flex; flex-wrap: wrap; gap: .5rem; }
.chs a {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .35rem .6rem;
    padding: .34rem .7rem;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface);
    overflow-wrap: anywhere;
}
.chs a:hover { border-color: var(--control-line); background: var(--surface-raised); }
.chs small { white-space: nowrap; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 245px), 1fr));
    gap: 1rem;
    align-items: start;
}
.card {
    display: block;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
}
.card:hover { border-color: var(--control-line); }
.card-media {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 16 / 9;
    background: #28364b;
    overflow: hidden;
}
.card-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.card-preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    pointer-events: none;
}
.card-media .duration { z-index: 1; }
.card-placeholder {
    display: grid;
    place-items: center;
    width: 2.85rem;
    height: 2.85rem;
    padding-inline-end: .15rem;
    border: 1px solid #ffffff80;
    border-radius: 50%;
    color: #fff;
    background: #ffffff15;
}
.duration {
    position: absolute;
    inset-inline-end: .55rem;
    inset-block-end: .55rem;
    padding: .05rem .4rem;
    border-radius: 5px;
    color: #fff;
    background: #121724;
    direction: ltr;
    font-size: .83rem;
    font-variant-numeric: tabular-nums;
}
.card-body { display: grid; gap: .2rem; padding: .65rem .8rem .75rem; }
.card-body b, .card-body small { overflow-wrap: anywhere; }
.card-body b { line-height: 1.5; }
.pagination { text-align: center; margin-block-start: 1.4rem; }
.empty {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--muted);
}
.channel-item { min-width: 0; }
.channel-item form { margin-block-start: .4rem; }
.del {
    padding: .25rem .6rem;
    border-color: var(--line);
    background: var(--surface);
    color: var(--error);
    font-size: .85rem;
}
.del:hover { background: var(--error-surface); }

.watch {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(225px, 28%);
    align-items: start;
    gap: 1.4rem;
}
.watch.watch-single { grid-template-columns: minmax(0, 1fr); max-width: 900px; margin-inline: auto; }
.watch-player {
    display: block;
    width: 100%;
    max-height: 72vh;
    aspect-ratio: 16 / 9;
    margin-block-end: .8rem;
    border-radius: var(--radius);
    background: #10141e;
}
.watch-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .2rem 1rem;
    margin-block-start: .4rem;
    color: var(--muted);
}
.video-description {
    margin-block-start: .9rem;
    padding: .85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    white-space: pre-line;
}
.related h2 { margin-block-end: .65rem; }
.related-list { display: grid; gap: .75rem; }

.box {
    display: grid;
    gap: .8rem;
    max-width: 34rem;
    margin: .7rem auto;
    padding: clamp(1rem, 4vw, 1.55rem);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}
.auth-form { max-width: 27rem; }
.box label, .field { display: grid; gap: .25rem; }
.upload-title, .form-intro { display: grid; gap: .35rem; }
.upload-help { color: var(--muted); font-size: .9rem; }
.upload-form { max-width: 42rem; }
.upload-queue-list {
    display: grid;
    gap: .6rem;
    padding: 0;
    margin: 0;
    list-style: none;
}
.upload-queue-item {
    display: grid;
    gap: .35rem;
    min-width: 0;
    padding: .75rem;
    border: 1px solid var(--line);
    border-radius: .65rem;
    background: var(--input);
}
.upload-queue-filename {
    font-weight: 700;
    overflow-wrap: anywhere;
}
.upload-queue-state { margin: 0; }
.upload-queue-retry, .upload-queue-link { justify-self: start; }
.err { color: var(--error); }
.upload-progress {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .55rem;
    align-items: center;
}
progress { width: 100%; accent-color: var(--accent); }
.upload-actions, .form-actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

@media (max-width: 760px) {
    .watch { grid-template-columns: minmax(0, 1fr); }
    .related-list { grid-template-columns: repeat(auto-fill, minmax(min(100%, 175px), 1fr)); }
}

@media (max-width: 380px) {
    header nav a, header nav button { padding-inline: .5rem; font-size: .85rem; }
}

.channel-name-line,
.system-admin-badge {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .45rem;
}
.system-admin-badge {
    width: fit-content;
    padding: .19rem .58rem;
    border: 1px solid #8d6d3c;
    border-radius: 999px;
    background: linear-gradient(135deg, #2c2135, #48331f);
    color: #ffe3a3;
    font-size: .78rem;
    font-weight: 700;
    white-space: nowrap;
}
.system-admin-badge svg { flex: none; }
.video-upload-date { display: inline-flex; flex-wrap: wrap; gap: .28em; }