/* yt_extract UI. Dark by default; light when the OS asks for it. No external assets. */
:root {
  --bg: #111417; --panel: #1b1f24; --panel-2: #232830; --border: #2f353d;
  --text: #e6e6e6; --muted: #9aa3ae; --link: #9fd3ff;
  --accent: #e5484d; --accent-hover: #f0656a; --accent-text: #ffffff;
  --danger: #f06868; --warn: #f0c95c; --ok: #6fd97f;
  --warn-bg: #3a2f14; --error-bg: #3d1c1c; --info-bg: #182a44; --ok-bg: #173222;
  --input-bg: #0f1216; --shadow: none; --radius: 8px; --skipped: #cfa9f0;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8; --panel: #ffffff; --panel-2: #f0f2f5; --border: #d9dde3;
    --text: #1c2026; --muted: #5d6673; --link: #1b5fd1;
    --accent: #d62839; --accent-hover: #b81f2f;
    --danger: #c62f2f; --warn: #9a6200; --ok: #1f7a35;
    --warn-bg: #fff4dc; --error-bg: #fde8e8; --info-bg: #e5efff; --ok-bg: #e3f5e7;
    --input-bg: #ffffff; --shadow: 0 1px 3px rgba(0, 0, 0, 0.08); --skipped: #6b3f96;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; margin: 0; background: var(--bg); color: var(--text); line-height: 1.4; }
a { color: var(--link); }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link:focus { position: absolute; top: 0.5rem; left: 0.5rem; z-index: 100; background: var(--panel); padding: 0.5rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

.topbar { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; padding: 0.75rem 1.5rem; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-size: 1.15rem; font-weight: 500; color: var(--text); text-decoration: none; }
.brand img { display: block; border-radius: 7px; }
.brand b, .login-word b { font-weight: 800; color: var(--accent); }
.topbar nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); text-decoration: none; padding: 0.35rem 0.6rem; border-radius: 6px; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: var(--text); background: var(--panel-2); }
.topbar nav a[aria-current="page"] { font-weight: 600; }
.logout { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.banner { margin: 0; border-radius: 0; border-width: 0 0 1px; text-align: center; }
main { max-width: 1200px; margin: 1.5rem auto; padding: 0 1rem; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; margin-bottom: 1.25rem; box-shadow: var(--shadow); }
.panel-header, .page-head { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.page-head { margin-bottom: 1rem; }
.panel-header h2 { margin: 0; }
.actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; margin-bottom: 1.25rem; }
.grid-2 > .panel { margin-bottom: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.count { color: var(--muted); font-weight: normal; font-size: 0.9rem; }

input, select, button, textarea { font: inherit; font-size: 0.95rem; padding: 0.45rem 0.65rem; border-radius: 6px; border: 1px solid var(--border); background: var(--input-bg); color: var(--text); }
input[type="checkbox"] { padding: 0; width: auto; accent-color: var(--accent); }
input[type="file"] { padding: 0.3rem; }
button { background: var(--panel-2); cursor: pointer; line-height: 1.2; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
button.busy { cursor: progress; opacity: 0.7; }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-danger { color: var(--danger); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 0.2rem 0.5rem; font-size: 0.8rem; }

.inline-form { display: flex; gap: 0.5rem; align-items: center; }
.inline-form.wrap { flex-wrap: wrap; }
.inline-form .grow { flex: 1; min-width: 0; }
label.grow { display: flex; }
.inline-label { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--muted); }
.stacked-form { display: flex; flex-direction: column; gap: 0.8rem; max-width: 480px; }
.stacked-form.wide { max-width: none; }
.stacked-form label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
.checkbox-label, .stacked-form label.checkbox-label { flex-direction: row; align-items: center; gap: 0.5rem; color: var(--text); }
.help { margin: 0.4rem 0 0.6rem; font-size: 0.8rem; color: var(--muted); }
.stacked-form .help { margin: 0.1rem 0 0.2rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.8rem; }
.form-actions, .dialog-actions { display: flex; gap: 0.5rem; align-items: center; }
.dialog-actions { justify-content: flex-end; }
.form-actions { margin-bottom: 1.25rem; }
.stacked-form.wide .panel .checkbox-label { margin-top: 0.4rem; }
.field-error { min-height: 0; }
input.invalid, select.invalid { border-color: var(--danger); }

.login-panel { max-width: 380px; margin: 3rem auto; }
.login-hero { text-align: center; margin: 0.5rem 0 1.5rem; }
.login-hero img { display: block; margin: 0 auto 0.6rem; border-radius: 18px; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25); }
.login-word { font-size: 1.8rem; font-weight: 500; margin: 0; }
.login-tag { color: var(--muted); margin: 0.2rem 0 0; font-size: 0.9rem; }

.alert { padding: 0.6rem 0.8rem; border-radius: 6px; margin: 0 0 1rem; border: 1px solid transparent; }
.alert-error { background: var(--error-bg); color: var(--danger); border-color: var(--danger); }
.alert-warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.toasts { position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: 0.5rem; z-index: 50; max-width: min(420px, calc(100vw - 2rem)); }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--ok); padding: 0.6rem 0.8rem; border-radius: 6px; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25); overflow-wrap: anywhere; }
.toast.error { border-left-color: var(--danger); }
.result.ok { color: var(--ok); }
.result.error { color: var(--danger); }
.result { min-height: 1.2em; overflow-wrap: anywhere; }

.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 0.75rem; margin-bottom: 1.25rem; }
.counter { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.6rem 0.9rem; display: flex; flex-direction: column; color: var(--text); text-align: left; }
.counter[aria-pressed="true"] { border-color: var(--accent); }
.counter-value { font-size: 1.5rem; font-weight: 700; }
.counter-label { color: var(--muted); font-size: 0.85rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.title { max-width: 26rem; overflow-wrap: anywhere; }
td.row-actions { white-space: nowrap; }
td.row-actions > .btn-sm { margin-right: 0.35rem; }
.row-actions-inner { display: flex; gap: 0.35rem; flex-wrap: wrap; }
td.progress-cell { min-width: 150px; }
.error-text { color: var(--danger); font-size: 0.8rem; overflow-wrap: anywhere; }
.skip-text { color: var(--skipped); font-size: 0.8rem; overflow-wrap: anywhere; }
.progress { position: relative; height: 0.55rem; background: var(--panel-2); border-radius: 999px; overflow: hidden; min-width: 90px; border: 1px solid var(--border); }
.progress > span { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
.progress-meta { font-size: 0.75rem; color: var(--muted); margin-top: 0.2rem; }

.badge { display: inline-block; padding: 0.1rem 0.45rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; background: var(--panel-2); border: 1px solid var(--border); white-space: nowrap; }
.st-downloaded, .badge.ok { color: var(--ok); background: var(--ok-bg); border-color: transparent; }
.st-pending, .st-downloading, .badge.info { color: var(--link); background: var(--info-bg); border-color: transparent; }
.st-failed, .badge.bad { color: var(--danger); background: var(--error-bg); border-color: transparent; }
.st-skipped { color: var(--skipped); }
.st-deleted { color: var(--muted); text-decoration: line-through; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.card { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--muted); border-radius: var(--radius); padding: 0.8rem 1rem; box-shadow: var(--shadow); }
.card.ok { border-left-color: var(--ok); }
.card.fail { border-left-color: var(--danger); }
.card h3 { margin: 0 0 0.3rem; font-size: 1rem; display: flex; justify-content: space-between; gap: 0.5rem; }
.card p { margin: 0; font-size: 0.85rem; color: var(--muted); overflow-wrap: anywhere; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 9rem 5.5rem 1fr; gap: 0.5rem; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--border); font-size: 0.88rem; border-left: 3px solid transparent; }
.timeline .ts { color: var(--muted); }
.timeline .msg { overflow-wrap: anywhere; }
.timeline li.level-error { border-left-color: var(--danger); }
.timeline li.level-error .lvl { color: var(--danger); }
.timeline li.level-warning { border-left-color: var(--warn); }
.timeline li.level-warning .lvl { color: var(--warn); }
.timeline li.level-info .lvl { color: var(--muted); }

dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); color: var(--text); padding: 1.25rem; width: min(480px, calc(100vw - 2rem)); }
dialog::backdrop { background: rgba(0, 0, 0, 0.55); }
dialog h2 { margin-top: 0; }

@media (max-width: 640px) {
  .topbar { padding: 0.6rem 0.75rem; gap: 0.5rem; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  main { margin-top: 1rem; padding: 0 0.6rem; }
  .panel { padding: 0.8rem; }
  .inline-form:not(.wrap) { flex-wrap: wrap; }
  .timeline li { grid-template-columns: 1fr; gap: 0; }
  .hide-sm { display: none; }
  /* Video table becomes stacked rows: title full width, status + progress, then actions. */
  #videos-box thead { display: none; }
  #videos-box tr { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.75rem; padding: 0.6rem 0.1rem; border-bottom: 1px solid var(--border); }
  #videos-box td { padding: 0; border: 0; }
  #videos-box td.title { flex: 1 1 100%; max-width: none; font-weight: 500; }
  #videos-box td.progress-cell { flex: 1 1 120px; min-width: 0; }
  #videos-box td:empty, #videos-box td.row-actions:not(:has(button)) { display: none; }
  #videos-box td.row-actions { flex: 1 1 100%; white-space: normal; }
}