/* ===========================================================================
   Playito – vizuální styl
   Frosted sklo, jemné mesh pozadí, zrnitost, výrazná typografie.
   Tmavý i světlý motiv (přepínač v hlavičce → :root[data-theme]).
   =========================================================================== */

/* ---------- fonty (self-hostované, ať web nezávisí na cizí doméně) -------- */

@font-face {
  font-family: 'Outfit';
  src: url('../fonts/outfit-latin.woff2') format('woff2');
  font-weight: 300 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Outfit';
  src: url('../fonts/outfit-latin-ext.woff2') format('woff2');
  font-weight: 300 900;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Jakarta';
  src: url('../fonts/jakarta-latin.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Jakarta';
  src: url('../fonts/jakarta-latin-ext.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF,
    U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- barvy a proměnné ---------- */

:root {
  color-scheme: dark;

  --bg: #0a0a10;
  --bg-2: #0f1018;
  --text: #f3f4f9;
  --muted: #9ba1b8;
  --muted-2: #7a8098;

  --accent: #8b7cff;
  --accent-2: #57c7ff;
  --accent-3: #ff7ac2;
  --on-accent: #0b0b14;
  --danger: #ff6b6b;
  --ok: #3ddc97;

  /* frosted sklo */
  --glass: rgba(255, 255, 255, 0.055);
  --glass-2: rgba(255, 255, 255, 0.085);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.75);
  --shadow-sm: 0 6px 20px -10px rgba(0, 0, 0, 0.6);

  --topbar-bg: rgba(10, 10, 16, 0.62);
  --field: rgba(255, 255, 255, 0.05);
  /* modaly musí být téměř neprůhledné, jinak barevné pozadí ruší čitelnost */
  --modal-bg: rgba(21, 22, 32, 0.96);

  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 9px;

  --font-display: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --font-ui: 'Jakarta', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* mesh pozadí */
  --blob-1: rgba(124, 92, 255, 0.30);
  --blob-2: rgba(59, 160, 255, 0.22);
  --blob-3: rgba(255, 92, 170, 0.20);
  --grain-opacity: 0.16;
}

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

  --bg: #f4f4fa;
  --bg-2: #ecedf6;
  --text: #14151f;
  /* odstíny voleny tak, aby i sekundární text splnil WCAG AA (kontrast ≥ 4,5) */
  --muted: #545a70;
  --muted-2: #696f86;

  --accent: #6b4dff;
  --accent-2: #0d94e0;
  --accent-3: #e0459b;
  --on-accent: #ffffff;
  --danger: #d33b47;
  --ok: #15a06a;

  --glass: rgba(255, 255, 255, 0.62);
  --glass-2: rgba(255, 255, 255, 0.82);
  --border: rgba(15, 18, 40, 0.09);
  --border-strong: rgba(15, 18, 40, 0.18);
  --shadow: 0 20px 45px -22px rgba(38, 40, 80, 0.45);
  --shadow-sm: 0 8px 22px -14px rgba(38, 40, 80, 0.4);

  --topbar-bg: rgba(244, 244, 250, 0.66);
  --field: rgba(255, 255, 255, 0.78);
  --modal-bg: rgba(255, 255, 255, 0.97);

  --blob-1: rgba(139, 110, 255, 0.34);
  --blob-2: rgba(80, 190, 255, 0.30);
  --blob-3: rgba(255, 130, 190, 0.28);
  --grain-opacity: 0.09;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

/* Základní barva patří <html>; <body> musí zůstat průhledné, jinak by překrylo
   vrstvy s mlhovinami a zrnem (ty leží na z-index -1 pod obsahem). */
html { background-color: var(--bg); }
body { background-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- pozadí: barevné mlhoviny + zrnitost ---------- */

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

/* mlhoviny */
body::before {
  background:
    radial-gradient(58vw 58vw at 12% 8%, var(--blob-1), transparent 62%),
    radial-gradient(52vw 52vw at 88% 12%, var(--blob-2), transparent 60%),
    radial-gradient(60vw 60vw at 78% 92%, var(--blob-3), transparent 62%),
    radial-gradient(46vw 46vw at 20% 88%, var(--blob-2), transparent 58%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  filter: saturate(1.15);
}

/* zrnitost – jemný šum přes celou plochu, ať to nevypadá „plastově“ */
body::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
}

button { font: inherit; cursor: pointer; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* společné sklo */
.glass,
.topbar,
.session-card,
.queue-col,
.toast {
  background: var(--glass);
  border: 1px solid var(--border);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  backdrop-filter: blur(22px) saturate(1.5);
}

/* ---------- horní lišta ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px clamp(14px, 3vw, 26px);
  border: 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--topbar-bg);
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
}
.brand span {
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 60%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.topbar-actions { display: flex; align-items: center; gap: 4px; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 1.15rem;
  border-radius: 11px;
  transition: color .16s, background .16s, border-color .16s, transform .16s;
}
.icon-btn:hover {
  color: var(--text);
  background: var(--glass-2);
  border-color: var(--border);
  transform: translateY(-1px);
}

main { min-height: calc(100vh - 150px); }

/* ---------- domovská obrazovka ---------- */

.view-home {
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(32px, 6vh, 68px) 20px 56px;
  text-align: center;
  /* svisle vycentrovat, ať pod obsahem nezůstává prázdná plocha */
  min-height: calc(100vh - 170px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.view-home h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.35rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin: 0 0 16px;
  background: linear-gradient(120deg, var(--text) 22%, var(--accent) 62%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* pozn.: .view-home je flex sloupec – bez width:100% by „margin: auto“
   položku zúžil na šířku obsahu místo na max-width */
.lead {
  color: var(--muted);
  margin: 0 auto 32px;
  width: 100%;
  max-width: 580px;
  font-size: 1.03rem;
}
.lead strong { color: var(--text); font-weight: 700; }

.load-form {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 660px;
  margin: 0 auto;
}

.load-form input {
  flex: 1;
  min-width: 0;
  background: var(--field);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 15px 18px;
  font: inherit;
  font-size: 0.98rem;
  transition: border-color .16s, box-shadow .16s;
}
.load-form input::placeholder { color: var(--muted-2); }
.load-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}

.load-form button,
.settings-actions .primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  border: none;
  border-radius: var(--radius);
  padding: 0 30px;
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--accent) 80%, transparent);
  transition: transform .16s, box-shadow .16s, filter .16s;
}
.load-form button:hover,
.settings-actions .primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 16px 32px -12px color-mix(in srgb, var(--accent) 85%, transparent);
}
.load-form button:active { transform: translateY(0); }

.no-shorts-label {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 14px;
  user-select: none;
  cursor: pointer;
}

input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

.error-box {
  margin: 20px auto 0;
  width: 100%;
  max-width: 660px;
  background: color-mix(in srgb, var(--danger) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 38%, transparent);
  color: color-mix(in srgb, var(--danger) 78%, var(--text));
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  text-align: left;
  font-size: 0.94rem;
}

.inline-btn {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border: none;
  color: var(--on-accent);
  font-weight: 700;
  border-radius: 9px;
  padding: 5px 13px;
  margin-left: 6px;
}

.hints {
  margin-top: 30px;
  color: var(--muted-2);
  font-size: 0.83rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.hints code {
  background: var(--glass);
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 0.8rem;
  color: var(--muted);
}

/* uložené relace */

.sessions-wrap { margin-top: 54px; text-align: left; }
.sessions-wrap h2 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

/* nadpis na vlastním řádku – sedm voleb řazení se vedle něj nevejde */
.sessions-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}
.sessions-head h2 { margin: 0; }

.sessions-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* volby řazení – aktivní je vždy právě jedna */
.sort-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.sort-chips button {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 0.79rem;
  font-weight: 600;
  transition: color .16s, border-color .16s, background .16s, transform .12s;
}
.sort-chips button:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--glass-2);
}
.sort-chips button[aria-pressed="true"] {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: var(--on-accent);
  box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--accent) 85%, transparent);
}

/* směr řazení – dvojice šipek, aktivní zvýrazněná */
.sort-dir {
  display: flex;
  gap: 2px;
  padding: 2px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 999px;
  flex: none;
}
.sort-dir button {
  background: none;
  border: none;
  color: var(--muted-2);
  border-radius: 999px;
  width: 30px;
  height: 28px;
  font-size: 0.88rem;
  line-height: 1;
  transition: color .16s, background .16s;
}
.sort-dir button:hover { color: var(--text); background: var(--glass-2); }
.sort-dir button[aria-pressed="true"] {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
}

.group-toggle {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 0.79rem;
  font-weight: 600;
  transition: color .16s, border-color .16s, background .16s;
}
.group-toggle:hover { color: var(--text); border-color: var(--border-strong); background: var(--glass-2); }
.group-toggle[aria-pressed="true"] {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: var(--on-accent);
}

/* skupina jednoho kanálu */
.ch-group { display: flex; flex-direction: column; gap: 9px; }
.ch-group + .ch-group { margin-top: 22px; }
.ch-group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 2px 2px;
}
.ch-group-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.015em;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ch-group-count {
  color: var(--muted-2);
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
}

/* playlisty kanálu, které se ještě neotevřely */
.ch-more {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding: 2px 2px 0;
}
.ch-more-label {
  width: 100%;
  color: var(--muted-2);
  font-size: 0.75rem;
  margin-bottom: 2px;
}
.ch-more-item {
  background: var(--glass);
  border: 1px dashed var(--border-strong);
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .16s, border-color .16s, background .16s;
}
.ch-more-count {
  color: var(--muted-2);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}
.ch-more-item:hover .ch-more-count { color: var(--muted); }
.ch-more-item:hover {
  color: var(--text);
  border-color: var(--accent);
  border-style: solid;
  background: var(--glass-2);
}

.pl-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  max-height: 42vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pl-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 6px 10px 6px 8px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: border-color .14s, background .14s, color .14s;
}
.pl-item.vybrano { color: var(--text); border-color: var(--accent); background: var(--glass-2); }

/* pozor: dialog dědí .settings label/input (blok přes celou šířku) – přebít */
.settings .pl-check {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}
.settings .pl-check input {
  display: inline-block;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin: 0;
  padding: 0;
  border-radius: 4px;
  flex: none;
  cursor: pointer;
}
.pl-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pl-videos {
  color: var(--muted-2);
  font-size: 0.76rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.pl-only {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--muted-2);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  flex: none;
  transition: color .14s, border-color .14s, background .14s;
}
.pl-only:hover { color: var(--text); border-color: var(--accent); background: var(--glass-2); }

.pl-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 9px;
  flex-wrap: wrap;
}
.pl-toolbar .ghost-btn { padding: 5px 12px; font-size: 0.78rem; }
.pl-count { color: var(--muted-2); font-size: 0.78rem; margin-left: auto; }

.manual-hint {
  color: var(--muted-2);
  font-size: 0.78rem;
  margin: -4px 0 12px;
}

.sessions-list { display: flex; flex-direction: column; gap: 11px; }

.session-card.dragging { opacity: 0.45; }
.session-card.drop-target {
  border-color: var(--accent);
  box-shadow: 0 -3px 0 -1px var(--accent) inset, var(--shadow-sm);
}
.session-card[draggable="true"] { cursor: grab; }
.session-card[draggable="true"]:active { cursor: grabbing; }

.session-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform .18s, border-color .18s, box-shadow .18s, background .18s;
}
.session-card:hover, .session-card:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: var(--glass-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* profilový obrázek kanálu – s iniciálou jako podkladem, kdyby se nenačetl */
.ch-avatar {
  --av-size: 40px;
  position: relative;
  flex: none;
  width: var(--av-size);
  height: var(--av-size);
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: calc(var(--av-size) * 0.42);
  line-height: 1;
  user-select: none;
  border: 1px solid var(--border);
}
.ch-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sc-info { flex: 1; min-width: 0; }
.sc-channel {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sc-actions { display: flex; gap: 2px; flex: none; }
.sc-icon {
  background: none;
  border: 1px solid transparent;
  color: var(--muted-2);
  font-size: 0.95rem;
  padding: 7px 10px;
  border-radius: 10px;
  transition: color .16s, background .16s, border-color .16s;
}
.sc-icon:hover {
  color: var(--text);
  background: var(--glass-2);
  border-color: var(--border);
}
.sc-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sc-meta { color: var(--muted); font-size: 0.83rem; margin-top: 3px; }
.sc-bar {
  height: 5px;
  background: var(--glass-2);
  border-radius: 99px;
  margin-top: 10px;
  overflow: hidden;
}
.sc-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
}

.sc-del {
  background: none;
  border: 1px solid transparent;
  color: var(--muted-2);
  font-size: 0.95rem;
  padding: 7px 11px;
  border-radius: 10px;
  flex: none;
  transition: color .16s, background .16s, border-color .16s;
}
.sc-del:hover {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

/* ---------- načítání ---------- */

.view-loading {
  max-width: 520px;
  margin: 0 auto;
  padding: 84px 20px;
  text-align: center;
}

.spinner {
  width: 46px;
  height: 46px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent);
  border-right-color: var(--accent-2);
  border-radius: 50%;
  margin: 0 auto 22px;
  animation: spin 0.85s cubic-bezier(.5,.1,.5,.9) infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

#loading-text { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }

.loading-track {
  height: 7px;
  background: var(--glass-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  overflow: hidden;
  margin: 18px 0 24px;
}
.loading-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  border-radius: 99px;
  transition: width .3s;
}

.ghost-btn {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  color: var(--muted);
  border-radius: 11px;
  padding: 9px 20px;
  font-weight: 600;
  transition: color .16s, border-color .16s, background .16s, transform .16s;
}
.ghost-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--glass-2);
  transform: translateY(-1px);
}

/* ---------- přehrávač ---------- */

.view-player {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 20px;
  padding: 20px clamp(14px, 2.5vw, 26px) 28px;
  max-width: 2400px;
  margin: 0 auto;
}

/* přehrávač samotný necháváme na YouTube – náš je jen rámeček */
.player-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  user-select: none;
  -webkit-user-select: none;
}
.player-frame iframe, .player-frame > div { position: absolute; inset: 0; width: 100%; height: 100%; }

.now-panel { padding: 18px 4px 0; }
.now-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.now-meta { color: var(--muted); font-size: 0.88rem; }
.now-line { margin-top: 6px; }

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
  user-select: none;
  -webkit-user-select: none;
}
.controls button {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: border-color .16s, background .16s, transform .16s;
}
.controls button:hover {
  border-color: var(--accent);
  background: var(--glass-2);
  transform: translateY(-1px);
}
.controls button[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

/* Odkaz ven, ne akce v přehrávači – proto stojí u metadat, ne mezi tlačítky. */
.now-line { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.now-line .now-meta { margin-top: 0; }
.btn-yt {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.btn-yt:hover { color: var(--accent); border-bottom-color: currentColor; }

.auto-label, .speed-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  user-select: none;
}
.speed-label select,
.sort-row select {
  background: var(--field);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 7px 10px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .16s;
}
.speed-label select:hover,
.sort-row select:hover { border-color: var(--accent); }

/* ---------- fronta ---------- */

.queue-col {
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 118px);
  position: sticky;
  top: 82px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.queue-head { padding: 16px 16px 12px; border-bottom: 1px solid var(--border); }

.queue-titlerow { display: flex; align-items: flex-start; gap: 6px; }
.queue-title {
  flex: 1;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}
.queue-rename {
  flex: none;
  background: none;
  border: 1px solid transparent;
  color: var(--muted-2);
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color .16s, background .16s, border-color .16s;
}
.queue-rename:hover {
  color: var(--text);
  background: var(--glass-2);
  border-color: var(--border);
}

.queue-channel {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}
.queue-channel span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-author { color: var(--muted-2); font-size: 0.78rem; margin-top: 5px; }

.queue-progress { display: flex; align-items: center; gap: 11px; margin-top: 12px; }
.queue-count {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.queue-track {
  flex: 1;
  height: 5px;
  background: var(--glass-2);
  border-radius: 99px;
  overflow: hidden;
}
.queue-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ok), var(--accent-2));
  border-radius: 99px;
  transition: width .3s;
}

.truncated-note {
  color: #ffc46b;
  font-size: 0.78rem;
  margin: 10px 0 0;
}

.sort-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  user-select: none;
}
.sort-row select { flex: 1; min-width: 0; }

/* malé tlačítko v řádku (zamíchat znovu, zrušit filtr) */
.sort-row .ikona {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 9px;
  padding: 5px 9px;
  font-size: 0.8rem;
  line-height: 1;
  transition: color .16s, border-color .16s;
}
.sort-row .ikona:hover { color: var(--text); border-color: var(--accent); }

/* filtr délky – stejný řádek jako řazení, jen s políčky na minuty */
.length-row { margin-top: 8px; }
.length-row input {
  width: 4.4em;
  min-width: 0;
  background: var(--field);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 6px 8px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: border-color .16s;
}
.length-row input:hover,
.length-row input:focus { border-color: var(--accent); outline: none; }
.length-row input::placeholder { color: var(--muted-2); font-weight: 500; }
.length-hidden {
  margin-left: auto;
  color: var(--muted-2);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

/* celkový a zbývající čas fronty */
.queue-runtime {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  margin: 7px 0 0;
  font-variant-numeric: tabular-nums;
}

.queue-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.queue-actions button {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 9px;
  padding: 6px 11px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: color .16s, border-color .16s, background .16s;
}
.queue-actions button:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--glass-2);
}
.queue-actions button[aria-pressed="true"] {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.queue-actions button.danger:hover {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 55%, transparent);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.queue-hint {
  color: var(--muted-2);
  font-size: 0.74rem;
  line-height: 1.4;
  margin: 11px 0 0;
}
.queue-hint .hint-mark {
  display: inline-block;
  border: 1px solid color-mix(in srgb, var(--ok) 55%, transparent);
  color: var(--ok);
  border-radius: 50%;
  width: 16px;
  height: 16px;
  line-height: 14px;
  text-align: center;
  font-size: 0.64rem;
  vertical-align: -2px;
}
.queue-hint kbd {
  background: var(--glass-2);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.7rem;
  font-family: inherit;
  font-weight: 600;
}

.queue-search { margin-top: 12px; }
.queue-search input {
  width: 100%;
  background: var(--field);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  padding: 9px 13px;
  font: inherit;
  font-size: 0.86rem;
  transition: border-color .16s, box-shadow .16s;
}
.queue-search input::placeholder { color: var(--muted-2); }
.queue-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.queue-search-count {
  display: block;
  color: var(--muted-2);
  font-size: 0.73rem;
  margin-top: 6px;
  font-weight: 600;
}

.queue {
  list-style: none;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  position: relative;
}
.queue::-webkit-scrollbar { width: 9px; }
.queue::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 99px;
  border: 3px solid transparent;
  background-clip: content-box;
}

/* pozn.: položky fronty schválně BEZ backdrop-filter – u tisíců videí by to
   zabilo výkon; sklo je jen na obalu */
.q-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 9px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  -webkit-user-select: none;
  transition: background .14s, border-color .14s;
}
.q-item:hover { background: var(--glass-2); }

.q-num {
  color: var(--muted-2);
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 32px;
  text-align: right;
  flex: none;
  font-variant-numeric: tabular-nums;
}

.q-thumb-wrap {
  position: relative;
  width: 86px;
  height: 48px;
  flex: none;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  display: block;
  box-shadow: 0 3px 10px -6px rgba(0, 0, 0, .8);
}

.q-thumb { width: 100%; height: 100%; object-fit: cover; display: block; }

/* zhlédnutá část videa */
.q-prog {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, #ff2d55, #ff5c8a);
  border-radius: 0 2px 0 0;
  transition: width .4s linear;
  pointer-events: none;
}

.q-body { min-width: 0; flex: 1; }
.q-title {
  user-select: text;
  -webkit-user-select: text;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.32;
}
.q-dur {
  display: block;
  color: var(--muted-2);
  font-size: 0.73rem;
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}

.q-mark {
  flex: none;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--muted-2);
  font-size: 0.78rem;
  line-height: 1;
  padding: 0;
  opacity: 0.5;
  transition: opacity .15s, color .15s, border-color .15s, background .15s;
}
.q-item:hover .q-mark,
.q-item:focus-within .q-mark,
.q-mark:focus-visible { opacity: 1; }
.q-mark:hover {
  color: var(--ok);
  border-color: var(--ok);
  background: color-mix(in srgb, var(--ok) 14%, transparent);
}
.q-mark[aria-pressed="true"] {
  opacity: 1;
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 55%, transparent);
}

.q-item.played { opacity: 0.55; }
.q-item.played .q-num::after { content: " ✓"; color: var(--ok); }
.q-item.unplayable .q-title { text-decoration: line-through; }

.q-item.current {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  opacity: 1;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.q-item.current .q-num { color: var(--accent); }
.q-item.current .q-title { font-weight: 700; }

.q-item.filtered-out { display: none; }

.queue-empty {
  color: var(--muted-2);
  font-size: 0.86rem;
  text-align: center;
  padding: 28px 14px;
  margin: 0;
}

/* ---------- velký přehrávač ---------- */

body[data-theater="1"] .view-player { grid-template-columns: minmax(0, 1fr); }
body[data-theater="1"] .queue-col { display: none; }
body[data-theater="1"] .player-frame {
  height: min(calc(100vh - 210px), calc((100vw - 40px) * 9 / 16));
  width: auto;
  margin-inline: auto;
}

/* ---------- patička, toasty, dialog ---------- */

.foot {
  text-align: center;
  color: var(--muted-2);
  font-size: 0.78rem;
  padding: 26px 18px 34px;
}

.toasts {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 9px;
  z-index: 100;
  align-items: center;
  pointer-events: none;
}

.toast {
  color: var(--text);
  padding: 12px 20px;
  border-radius: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  max-width: min(540px, 90vw);
  animation: toast-in .28s cubic-bezier(.2,.9,.3,1.2);
}
.toast.out { opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px) scale(.96); } }

.settings {
  color: var(--text);
  background: var(--modal-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 26px 28px;
  width: min(500px, 92vw);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(26px) saturate(1.4);
  backdrop-filter: blur(26px) saturate(1.4);
}
.settings::backdrop {
  background: rgba(4, 4, 12, 0.62);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}
.settings h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}
.settings label { display: block; margin-bottom: 16px; font-size: 0.88rem; font-weight: 600; }
.settings label small { color: var(--muted-2); font-weight: 400; }
.settings input {
  display: block;
  width: 100%;
  margin-top: 7px;
  background: var(--field);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 11px;
  padding: 10px 13px;
  font: inherit;
  font-size: 0.88rem;
}
.settings input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.settings-backup {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-bottom: 16px;
}
.settings-backup > span { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 5px; }
.settings-note { color: var(--muted-2); font-size: 0.78rem; line-height: 1.45; margin: 0 0 10px; }
.settings-backup-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.settings-backup-btns .ghost-btn { padding: 8px 13px; font-size: 0.83rem; }

.settings-actions { display: flex; gap: 9px; margin-top: 22px; align-items: center; }
.settings-actions .grow { flex: 1; }
.settings-actions .primary { padding: 10px 22px; }
.settings-actions .danger {
  background: none;
  border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
  color: var(--danger);
  border-radius: 11px;
  padding: 9px 13px;
  font-size: 0.83rem;
  font-weight: 600;
  transition: background .16s;
}
.settings-actions .danger:hover { background: color-mix(in srgb, var(--danger) 13%, transparent); }

/* ---------- responsivita ---------- */

@media (max-width: 980px) {
  .view-player { grid-template-columns: 1fr; padding: 14px; }
  .queue-col { position: static; max-height: 62vh; }
  .view-home { padding-top: 34px; }
  .load-form { flex-direction: column; }
  .load-form button { padding: 15px; }
  .now-panel { padding-top: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- účet a synchronizace ---------- */

.settings-ucet {
  border-top: 1px solid var(--border);
  margin-top: 18px;
  padding-top: 16px;
  display: block;
}
.settings-ucet > span {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.ucet-chyba {
  color: var(--danger);
  font-size: 0.84rem;
  margin: 0 0 10px;
}

.ucet-lista {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 6px;
}

.ucet-btn {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color .16s, border-color .16s, background .16s;
}
.ucet-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--glass-2); }

.ucet-btn.primary-btn {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: var(--on-accent);
}
.ucet-btn.primary-btn:hover { filter: brightness(1.08); color: var(--on-accent); }

.ucet-jmeno {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 5px 12px 5px 6px;
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 200px;
  transition: background .16s, border-color .16s;
}
.ucet-jmeno:hover { background: var(--glass-2); border-color: var(--border); }
.ucet-jmeno > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.ucet-avatar {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: var(--on-accent);
  font-weight: 800;
  font-size: 0.8rem;
}

@media (max-width: 620px) {
  .ucet-btn { padding: 6px 10px; font-size: 0.76rem; }
  .ucet-jmeno { max-width: 120px; }
}

.odkaz-btn {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent-2);
  font-size: 0.82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.odkaz-btn:hover { color: var(--accent); }

.ucet-zapomenute { margin: -6px 0 12px; }

.kod-seznam {
  list-style: none;
  counter-reset: kod;
  margin: 4px 0 12px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 6px;
}
.kod-seznam li {
  counter-increment: kod;
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 8px 10px;
  background: var(--field);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  user-select: all;
}
.kod-seznam li::before {
  content: counter(kod) '.';
  color: var(--muted-2);
  margin-right: 8px;
  font-size: 0.78rem;
  user-select: none;
}

.kod-text {
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 16px 12px;
  margin: 4px 0 14px;
  background: var(--field);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  user-select: all;
  word-break: break-all;
}

/* ---------- přepínač jazyků ---------- */

.lang-seznam {
  list-style: none;
  margin: 4px 0 12px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 5px;
  max-height: 52vh;
  overflow-y: auto;
}
.lang-seznam button {
  width: 100%;
  text-align: start;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius-xs);
  padding: 9px 12px;
  font-size: 0.88rem;
  transition: color .14s, border-color .14s, background .14s;
}
.lang-seznam button:hover { color: var(--text); border-color: var(--border-strong); background: var(--glass-2); }
.lang-seznam button[aria-current="true"] {
  color: var(--text);
  border-color: var(--accent);
  background: var(--glass-2);
  font-weight: 700;
}

/* arabština běží zprava doleva – co je vázané na stranu, musí se otočit */
html[dir="rtl"] .lang-seznam button { text-align: start; }
html[dir="rtl"] .sc-actions { flex-direction: row-reverse; }
html[dir="rtl"] .kod-seznam li { direction: ltr; text-align: start; }

/* rozcestník na kořeni webu */
body.rozcestnik main {
  max-width: 640px;
  margin: 0 auto;
  padding: 12vh 20px;
  text-align: center;
}
body.rozcestnik ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}
body.rozcestnik a {
  display: block;
  padding: 10px 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text);
  text-decoration: none;
}
body.rozcestnik a:hover { border-color: var(--accent); background: var(--glass-2); }

/* ---------- vlaječky ---------- */

/* Vlajka v hlavičce je normálně odbarvená, aby ladila s webem; skutečné barvy
   naskočí až pod myší nebo při zaměření klávesnicí. */
.icon-btn.vlajka-btn {
  filter: grayscale(1) contrast(0.85) opacity(0.75);
  transition: filter .18s, transform .18s, background .16s, border-color .16s;
}
.icon-btn.vlajka-btn:hover,
.icon-btn.vlajka-btn:focus-visible {
  filter: none;
  transform: translateY(-1px) scale(1.06);
}

.lang-seznam button { display: flex; align-items: center; gap: 9px; }
/* v nabídce jsou vlajky vždy barevné – slouží k rychlému nalezení jazyka,
   takže by je odbarvení jen zhoršilo. Šedá je jen ta v hlavičce. */
.lang-seznam .vlajka { display: inline-flex; flex: none; }

/* Vlajky jsou vlastní SVG (viz js/vlajky.js) – emoji vlajky Windows neumí
   vykreslit a zobrazil by místo nich dvoupísmenný kód. */
.vlajka-svg {
  width: 21px;
  height: 14px;
  display: block;
  border-radius: 2px;
  /* tenký rámeček, aby bílé vlajky (JP, ID) nesplynuly se světlým pozadím */
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .18) inset;
}
.icon-btn .vlajka-svg { width: 22px; height: 15px; }

/* --- Náhled místo přehrávače (lite-embed) --------------------------------
   YouTube player si stáhne ~1,8 MB JavaScriptu. Dokud si člověk neřekne
   o přehrání, ukazujeme jen statický náhled – ten má pár desítek kB. */
.yt-facade {
  position: absolute; inset: 0; width: 100%; height: 100%;
  padding: 0; border: 0; margin: 0; cursor: pointer; z-index: 2;
  background: #000; display: block; overflow: hidden;
}
.yt-facade img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  /* náhled je 16:9 s černými pruhy nahoře a dole – oříznutím zmizí */
  transform: scale(1.35);
}
.yt-facade-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 68px; height: 48px; border-radius: 14px;
  background: rgba(20, 20, 22, .78);
  transition: background .15s ease, transform .15s ease;
}
.yt-facade-play::after {
  content: ''; position: absolute; left: 50%; top: 50%;
  transform: translate(-40%, -50%);
  border-style: solid; border-width: 11px 0 11px 19px;
  border-color: transparent transparent transparent #fff;
}
.yt-facade:hover .yt-facade-play,
.yt-facade:focus-visible .yt-facade-play {
  background: rgba(20, 20, 22, .92);
  transform: translate(-50%, -50%) scale(1.06);
}
.yt-facade:focus-visible { outline: 3px solid var(--akcent, #6aa9ff); outline-offset: -3px; }

@media (prefers-reduced-motion: reduce) {
  .yt-facade-play { transition: none; }
  .yt-facade:hover .yt-facade-play,
  .yt-facade:focus-visible .yt-facade-play { transform: translate(-50%, -50%); }
}

/* ===========================================================================
   Landing pages
   Čtecí sloupec je úzký (kolem 66 znaků), diagramy smějí ven z něj – jsou to
   ony, kdo nese argument, text je jen dovysvětluje.
   =========================================================================== */

.landing {
  max-width: 74rem;
  margin: clamp(1.5rem, 5vw, 4rem) auto 0;
  padding: 0 clamp(1rem, 4vw, 2rem) clamp(3rem, 8vw, 6rem);
}

.landing-sekce { margin: 0 0 clamp(2.5rem, 6vw, 4.5rem); }

.landing-sekce h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 22ch;
}

.landing-sekce p {
  max-width: 66ch;             /* delší řádek se špatně čte, tohle je ta hranice */
  margin: 0 0 1rem;
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.09rem);
  line-height: 1.65;
  color: var(--muted);
}
.landing-sekce p:last-child { margin-bottom: 0; }

/* --- otázky ------------------------------------------------------------- */
.landing-faq { max-width: 52rem; }

.landing-otazka {
  border-top: 1px solid var(--border);
  padding: 1.15rem 0;
}
.landing-otazka:last-child { border-bottom: 1px solid var(--border); }

.landing-otazka h3 {
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--text);
}
.landing-otazka p { margin: 0; max-width: 62ch; color: var(--muted); line-height: 1.6; }

/* --- související -------------------------------------------------------- */
.landing-related h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.landing-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.landing-related a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--glass);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.35;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.landing-related a::after {
  content: '→';
  color: var(--muted-2);
  transition: transform .15s ease, color .15s ease;
}
.landing-related a:hover,
.landing-related a:focus-visible {
  border-color: var(--border-strong);
  background: var(--glass-2);
}
.landing-related a:hover::after { transform: translateX(3px); color: var(--accent); }

/* ===========================================================================
   Diagram fronty – signature prvek
   Vlevo mřížka, jak seznam podává YouTube; vpravo fronta, jak ho podáme my.
   Záměrně beze slov: nese to jen čísly, pruhy a značkami, takže je stejný
   ve všech jazycích včetně těch psaných zprava doleva.
   =========================================================================== */

.q-demo {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(0.75rem, 2.5vw, 2rem);
  margin: 0 0 1.75rem;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass-2), transparent 70%), var(--bg-2);
  box-shadow: var(--shadow-sm);
}

.q-pane { min-width: 0; }
.q-hlava {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 0.7rem;
}
.q-pane--nase .q-hlava { color: var(--accent); }

.q-rada {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-xs);
  margin-bottom: 0.3rem;
  background: rgba(255, 255, 255, 0.03);
}
.q-pane--nase .q-rada { background: rgba(139, 124, 255, 0.09); }

.q-cislo {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  font-size: 0.82rem;
  min-width: 1.35rem;
  text-align: right;
  color: var(--muted-2);
}
.q-pane--nase .q-cislo { color: var(--accent); }

/* proužek zastupuje název videa – konkrétní titulek by tu nic nepřidal */
.q-pruh {
  height: 6px;
  border-radius: 3px;
  background: currentColor;
  opacity: 0.28;
  flex: 1;
}
.q-pane--nase .q-pruh { opacity: 0.42; }

/* měřítko (zhlédnutí, délka) */
.q-metr { height: 6px; border-radius: 3px; background: var(--accent-2); opacity: .55; }

.q-stav { width: 1rem; text-align: center; font-size: 0.75rem; line-height: 1; }
.q-stav--videno { color: var(--ok); }
.q-stav--hraje { color: var(--accent-2); }

.q-sipka {
  font-size: 1.4rem;
  color: var(--muted-2);
  line-height: 1;
}
[dir="rtl"] .q-sipka { transform: scaleX(-1); }

@media (max-width: 46rem) {
  .q-demo { grid-template-columns: 1fr; gap: 0.5rem; }
  .q-sipka { transform: rotate(90deg); justify-self: center; }
  [dir="rtl"] .q-sipka { transform: rotate(90deg); }
}

/* --- landing: nástroj nemusí držet celou výšku okna ----------------------
   Na úvodu dává smysl, aby vstupní pole vyplnilo obrazovku. Na landing page
   pod ním stojí text, takže prázdné pásmo jen odtlačuje obsah dolů. */
body[data-route]:not([data-route="home"]) #view-home {
  min-height: 0;
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

/* Čtecí sloupec je úzký, diagram z něj vystupuje na obě strany – je to on,
   kdo nese argument, tak ať má místo. */
body[data-route] .landing { max-width: 52rem; }
body[data-view="player"] .landing { display: none; }

body[data-route] .q-demo {
  --vylom: clamp(0px, calc((100vw - 52rem) / 2 - 1.5rem), 9rem);
  margin-left: calc(-1 * var(--vylom));
  margin-right: calc(-1 * var(--vylom));
}

/* mřížka náhledů = jak seznam podává YouTube */
.q-mrizka {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}
.q-dlazdice {
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.045);
}
.q-sipka { font-size: 1.7rem; color: var(--muted); opacity: .8; }

/* čtyři odkazy se mají vejít do řady, ne tři a jeden osamocený */
.landing-related ul { grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr)); }

/* --- hlavička na úzkých displejích ---------------------------------------
   Na 390 px se tlačítka účtu, vlajka, motiv a nastavení do řádku nevejdou
   a odsouvala celou stránku do strany. Text tlačítek je to první, co může
   ustoupit – akce zůstanou dosažitelné, jen zhubnou. */
@media (max-width: 30rem) {
  .topbar-actions { gap: 3px; flex-wrap: wrap; justify-content: flex-end; min-width: 0; }
  .topbar-actions .ucet-btn { padding-left: .6rem; padding-right: .6rem; font-size: .82rem; }
  .icon-btn { width: 34px; height: 34px; }
}


@media (max-width: 30rem) {
  /* hlavička se smí zalomit na dva řádky – lepší než utnout akce */
  .topbar { flex-wrap: wrap; row-gap: 6px; }
  .topbar-actions { flex: 1 1 100%; justify-content: flex-end; }
}

/* --- nedostupné video ve frontě -----------------------------------------
   Zůstává v seznamu vidět i s důvodem a odkazem na YouTube, kde pustit jde.
   Tiché přeskočení by znamenalo, že člověk neví, o co přišel. */
.q-item.unplayable { opacity: .72; }
.q-nedostupne {
  display: block;
  margin-top: 3px;
  font-size: .74rem;
  line-height: 1.3;
  color: var(--muted-2);
  text-decoration: none;
  border-bottom: 1px dotted var(--border-strong);
  width: fit-content;
  max-width: 100%;
}
.q-nedostupne:hover, .q-nedostupne:focus-visible { color: var(--accent-2); }