/* =========================================================
   Nahid IPTV — style.css
   Premium dark glassmorphism IPTV interface (Vanilla JS)
   ========================================================= */

:root {
  /* Core palette — deep navy + purple accent */
  --bg-0: #070816;
  --bg-1: #0a0b1e;
  --bg-2: #0e1030;
  --panel: rgba(20, 22, 48, 0.55);
  --panel-solid: #14162f;
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-hi: rgba(255, 255, 255, 0.04);

  --accent: #7c3aed;
  --accent-2: #a855f7;
  --accent-soft: rgba(124, 58, 237, 0.18);
  --accent-glow: rgba(124, 58, 237, 0.45);

  --live: #ef2b45;
  --ok: #22c55e;

  --text: #f4f5fb;
  --text-dim: #a7abc8;
  --text-mut: #6a6f93;

  --radius-lg: 20px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 9px;

  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.65);
  --shadow: 0 12px 32px -14px rgba(0, 0, 0, 0.6);

  --sidebar-w: 264px;
  --sidebar-w-collapsed: 78px;
  --footbar-h: 78px;
  --topbar-h: 78px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t: 300ms;

  --font-sans: "Manrope", system-ui, sans-serif;
  --font-ui: "Inter", system-ui, sans-serif;
}

html[data-theme="light"] {
  --bg-0: #eef0f8;
  --bg-1: #f4f5fb;
  --bg-2: #ffffff;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-solid: #ffffff;
  --glass-border: rgba(20, 22, 48, 0.09);
  --glass-hi: rgba(20, 22, 48, 0.02);
  --text: #14162f;
  --text-dim: #4b5075;
  --text-mut: #8a8fb0;
  --shadow-lg: 0 24px 60px -24px rgba(30, 30, 60, 0.28);
  --shadow: 0 12px 30px -16px rgba(30, 30, 60, 0.22);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(124, 58, 237, 0.16), transparent 60%),
    radial-gradient(900px 600px at 8% 100%, rgba(59, 40, 130, 0.14), transparent 55%),
    var(--bg-1);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

h1, h2, h3, h4, .brand__text { font-family: var(--font-sans); }

button { font-family: inherit; cursor: pointer; color: inherit; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 6px; }

.icon-btn svg, .nav__icon svg, [data-icon] svg { display: block; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ============ LAYOUT ============ */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  height: 100dvh;
  transition: grid-template-columns var(--t) var(--ease);
}
.layout.is-collapsed { grid-template-columns: var(--sidebar-w-collapsed) 1fr; }

/* ============ SIDEBAR ============ */
.sidebar {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(14, 16, 48, 0.6), rgba(7, 8, 22, 0.6));
  border-right: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  min-height: 0;
}
.sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 22px 18px 16px;
}
.brand { display: flex; align-items: center; gap: 12px; overflow: hidden; }
.brand__mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px -6px var(--accent-glow);
}
.brand__text { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
.brand__text strong { color: var(--accent-2); }

.sidebar__toggle { color: var(--text-dim); }

.sidebar__scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 12px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-soft) transparent;
}
.sidebar__scroll::-webkit-scrollbar { width: 7px; }
.sidebar__scroll::-webkit-scrollbar-thumb { background: rgba(124,58,237,.35); border-radius: 10px; }
.sidebar__footer { padding: 10px 12px 16px; border-top: 1px solid var(--glass-border); }

.nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.nav--sub { margin: 2px 0 8px; }

.nav__item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 13px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  border-radius: var(--radius-xs);
  font-size: 14.5px;
  font-weight: 500;
  text-align: left;
  transition: background var(--t) var(--ease), color var(--t) var(--ease), transform 160ms var(--ease);
  position: relative;
}
.nav__item:hover { background: var(--glass-hi); color: var(--text); }
.nav__item:active { transform: scale(0.98); }
.nav__item.is-active {
  color: #fff;
  background: linear-gradient(100deg, var(--accent), rgba(124, 58, 237, 0.55));
  box-shadow: 0 10px 24px -12px var(--accent-glow);
}
.nav__icon { width: 20px; height: 20px; flex: none; display: grid; place-items: center; color: currentColor; }
.nav__label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav__chevron { width: 16px; height: 16px; color: var(--text-mut); transition: transform var(--t) var(--ease); flex: none; }
.nav__item[aria-expanded="false"] .nav__chevron { transform: rotate(-90deg); }
.nav__item.is-active .nav__chevron { color: #fff; }
.nav__count { font-size: 12.5px; font-weight: 700; color: var(--accent-2); }
.nav__item.is-active .nav__count { color: #fff; }
.nav__badge {
  min-width: 20px; height: 20px; padding: 0 6px;
  display: grid; place-items: center;
  border-radius: 999px; font-size: 11px; font-weight: 700;
  background: var(--accent); color: #fff;
}

.nav-group { margin-top: 14px; }
.nav-group__title {
  margin: 6px 14px 8px;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mut); font-weight: 700;
}
.nav-group[data-group] { overflow: hidden; transition: max-height var(--t) var(--ease), opacity var(--t) var(--ease); }
.nav-group.is-collapsed { max-height: 0 !important; opacity: 0; margin-top: 0; }

.nav--sub .nav__item { padding: 9px 13px; font-size: 13.5px; }
.nav--sub .nav__icon { width: 18px; height: 18px; }

/* Collapsed sidebar */
.is-collapsed .brand__text,
.is-collapsed .nav__label,
.is-collapsed .nav__chevron,
.is-collapsed .nav__count,
.is-collapsed .nav-group__title,
.is-collapsed .nav__badge { display: none; }
.is-collapsed .sidebar__brand { justify-content: center; }
.is-collapsed .nav__item { justify-content: center; padding: 12px; }
.is-collapsed .nav-group { margin-top: 8px; }
.is-collapsed .nav-group[data-group="live"] { display: none; }
.is-collapsed .sidebar__toggle { display: grid; }

/* ============ ICON BUTTONS ============ */
.icon-btn {
  border: none; background: transparent; color: var(--text-dim);
  width: 40px; height: 40px; border-radius: var(--radius-xs);
  display: grid; place-items: center;
  transition: background var(--t) var(--ease), color var(--t) var(--ease), transform 160ms var(--ease);
}
.icon-btn:hover { color: var(--text); background: var(--glass-hi); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn.round { border-radius: 999px; }
.icon-btn.round:not(.profile) { background: var(--panel); border: 1px solid var(--glass-border); }
.icon-btn.profile { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.icon-btn.glass {
  background: rgba(10, 12, 30, 0.5); border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px); color: #eef;
}
.icon-btn.glass:hover { background: rgba(124, 58, 237, 0.35); }
.icon-btn.ctrl { color: var(--text-dim); }
.icon-btn.ctrl:hover { color: var(--text); }

/* ============ MAIN ============ */
.main {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr var(--footbar-h);
  min-width: 0;
  height: 100vh;
  height: 100dvh;
}

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 0 26px;
  border-bottom: 1px solid var(--glass-border);
}
.topbar__menu { display: none; }
.search { position: relative; flex: 1; max-width: 620px; }
.search__icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-mut); width: 18px; height: 18px; pointer-events: none;
}
.search__input {
  width: 100%; height: 48px;
  padding: 0 50px 0 46px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--panel);
  color: var(--text); font-size: 14.5px;
  backdrop-filter: blur(12px);
  transition: border var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.search__input::placeholder { color: var(--text-mut); }
.search__input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.search__filter { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; }

.search__results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 40;
  max-height: 380px; overflow-y: auto;
  background: var(--panel-solid);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}
.search__group-label { padding: 8px 10px 4px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text-mut); }
.search__result {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 10px; border-radius: 10px; cursor: pointer; width: 100%;
  border: none; background: transparent; text-align: left; color: var(--text);
}
.search__result:hover, .search__result.is-active { background: var(--accent-soft); }
.search__result img, .search__result .logo-fallback { width: 40px; height: 30px; border-radius: 7px; object-fit: contain; background: #fff; flex: none; }
.search__result .logo-fallback { font-size: 11px; }
.search__result-meta { font-size: 12px; color: var(--text-mut); }
.search__empty { padding: 16px; color: var(--text-mut); font-size: 13.5px; }

.topbar__right { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.clock { text-align: right; line-height: 1.15; }
.clock__time { display: block; font-family: var(--font-sans); font-weight: 700; font-size: 17px; }
.clock__date { display: block; font-size: 12px; color: var(--text-mut); }

/* ============ CONTENT ============ */
.content {
  overflow-y: auto;
  padding: 26px 26px 32px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-soft) transparent;
}
.content::-webkit-scrollbar { width: 9px; }
.content::-webkit-scrollbar-thumb { background: rgba(124,58,237,.3); border-radius: 10px; }

.view[hidden] { display: none; }

.section-title { font-size: 20px; font-weight: 700; margin: 2px 0 16px; letter-spacing: -0.01em; }

.stage {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 22px;
  align-items: start;
  transition: grid-template-columns var(--t) var(--ease);
}
/* When there is no side panel content, expand the player full width */
.stage.stage--full { grid-template-columns: 1fr; }
.stage.stage--full .side-panel { display: none; }

/* ============ EMPTY STATE ============ */
.empty-state { display: grid; place-items: center; min-height: 100%; padding: 30px 16px; }
.empty-state__inner { max-width: 620px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.empty-state__art { width: 220px; height: 220px; object-fit: contain; filter: drop-shadow(0 24px 40px rgba(124,58,237,.28)); margin-bottom: 8px; }
.empty-state__title { font-size: 28px; font-weight: 800; margin: 8px 0 10px; letter-spacing: -0.02em; }
.empty-state__text { color: var(--text-dim); font-size: 15px; line-height: 1.6; margin: 0 0 24px; max-width: 480px; }
.empty-state__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 28px; }
.empty-state__hints { display: grid; gap: 10px; text-align: left; width: 100%; max-width: 440px; margin: 0 auto; }
.hint { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--glass-hi); border: 1px solid var(--glass-border); font-size: 13.5px; color: var(--text-dim); }
.hint__ic { width: 20px; height: 20px; flex: none; color: var(--accent-2); display: grid; place-items: center; }
.empty-state__recent { margin-top: 26px; width: 100%; max-width: 440px; }
.empty-state__recent-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text-mut); margin: 0 0 10px; text-align: left; }
.empty-state__recent-list { display: flex; flex-direction: column; gap: 8px; }
.recent-pl { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: var(--glass-hi); text-align: left; color: var(--text); transition: border-color var(--t) var(--ease), background var(--t) var(--ease); }
.recent-pl:hover { border-color: var(--accent); background: var(--accent-soft); }
.recent-pl__meta { font-size: 12px; color: var(--text-mut); }

/* ============ PLAYER ============ */
.player {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #000;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
}
.player__video, .player__poster {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.player__poster { z-index: 1; transition: opacity var(--t) var(--ease); }
.player.is-playing .player__poster { opacity: 0; visibility: hidden; }
.player__video { z-index: 0; }
.player__gradient {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(4,5,15,0.55) 0%, transparent 26%, transparent 62%, rgba(4,5,15,0.78) 100%);
}

.player__topbar {
  position: absolute; z-index: 4; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 20px 22px;
}
.player__title { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; text-shadow: 0 2px 14px rgba(0,0,0,.6); }
.player__sub { margin: 4px 0 10px; font-size: 14px; color: #d9dcf0; text-shadow: 0 2px 10px rgba(0,0,0,.6); }
.player__tools { display: flex; gap: 8px; }

.player__center { position: absolute; inset: 0; z-index: 3; display: grid; place-items: center; }
.player__big-play {
  width: 78px; height: 78px; border-radius: 999px; border: none;
  display: grid; place-items: center; color: #fff;
  background: rgba(124, 58, 237, 0.85);
  box-shadow: 0 12px 40px -8px var(--accent-glow);
  backdrop-filter: blur(6px);
  transition: transform var(--t) var(--ease), background var(--t) var(--ease), opacity var(--t) var(--ease);
}
.player__big-play:hover { transform: scale(1.06); background: var(--accent); }
.player.is-playing .player__big-play,
.player.is-loading .player__big-play { opacity: 0; pointer-events: none; transform: scale(0.7); }

.player__spinner {
  width: 54px; height: 54px; border-radius: 999px;
  border: 4px solid rgba(255,255,255,.2); border-top-color: var(--accent-2);
  animation: spin 900ms linear infinite; position: absolute;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 9px; border-radius: 7px; font-size: 11px; font-weight: 800; letter-spacing: 0.06em;
}
.badge[hidden] { display: none; }
.badge--live { background: var(--live); color: #fff; box-shadow: 0 4px 14px -4px rgba(239,43,69,.7); }
.badge--live.sm { padding: 3px 7px; font-size: 10px; }

/* Controls */
.player__controls {
  position: absolute; z-index: 5; left: 0; right: 0; bottom: 0;
  padding: 0 22px 18px;
  opacity: 1;
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}
.player.is-idle.is-playing .player__controls { opacity: 0; transform: translateY(8px); }
.seek { padding: 12px 0 10px; cursor: pointer; }
.seek__track { position: relative; height: 5px; border-radius: 999px; background: rgba(255,255,255,.22); }
.seek__buffer { position: absolute; height: 100%; border-radius: 999px; background: rgba(255,255,255,.3); width: 0; }
.seek__fill { position: absolute; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: 0%; }
.seek__thumb {
  position: absolute; top: 50%; left: 0%; transform: translate(-50%, -50%);
  width: 14px; height: 14px; border-radius: 999px; background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.5); opacity: 0; transition: opacity 160ms var(--ease);
}
.seek:hover .seek__thumb, .seek:focus-visible .seek__thumb { opacity: 1; }
.seek.is-live { pointer-events: none; opacity: .5; }

.controls-row { display: flex; align-items: center; justify-content: space-between; }
.controls-left, .controls-right { display: flex; align-items: center; gap: 10px; }
.player__controls .icon-btn.ctrl { color: #eef; }
.player__controls .icon-btn.ctrl:hover { color: #fff; background: rgba(255,255,255,.12); }
.time-code { font-size: 12.5px; color: #cfd2ea; font-variant-numeric: tabular-nums; }

.volume { display: flex; align-items: center; gap: 8px; }
.volume__range { width: 92px; }

.range {
  -webkit-appearance: none; appearance: none;
  height: 5px; border-radius: 999px; background: rgba(255,255,255,.25);
  cursor: pointer;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 13px; height: 13px; border-radius: 999px;
  background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,.4);
}
.range::-moz-range-thumb { width: 13px; height: 13px; border: none; border-radius: 999px; background: #fff; }

.live-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; color: #fff; }
.live-dot[hidden] { display: none; }
.live-dot .dot { width: 8px; height: 8px; border-radius: 999px; background: var(--live); box-shadow: 0 0 0 0 rgba(239,43,69,.6); animation: pulse 1.6s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(239,43,69,.55); } 70% { box-shadow: 0 0 0 7px rgba(239,43,69,0); } 100% { box-shadow: 0 0 0 0 rgba(239,43,69,0); } }

/* ============ CARDS / SIDE PANEL ============ */
.side-panel { display: flex; flex-direction: column; gap: 18px; }
.card {
  border-radius: var(--radius); padding: 18px;
  border: 1px solid var(--glass-border);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.card[hidden] { display: none; }
.card--glass { backdrop-filter: blur(16px); }
.card-title { margin: 0 0 12px; font-size: 15px; font-weight: 700; }

.info-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.info-card__head .card-title { margin: 0; }
.info-card__now { margin: 6px 0 4px; font-size: 17px; font-weight: 700; }
.info-card__time { margin: 0; font-size: 12.5px; color: var(--text-mut); }
.progress { height: 6px; border-radius: 999px; background: rgba(255,255,255,.12); margin: 12px 0 6px; overflow: hidden; }
.progress__fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 1s var(--ease); }
.info-card__left { margin: 0; font-size: 12px; color: var(--text-mut); text-align: right; }
.info-card__desc { margin: 10px 0 0; font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.divider { border: none; border-top: 1px solid var(--glass-border); margin: 14px 0; }
.info-card__next-label { margin: 0 0 4px; font-size: 12px; font-weight: 700; color: var(--accent-2); }
.info-card__next { margin: 0 0 3px; font-size: 15px; font-weight: 600; }

.quick-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.quick {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 14px 6px; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border); background: var(--glass-hi);
  color: var(--text-dim); font-size: 11px; font-weight: 600; text-align: center;
  transition: background var(--t) var(--ease), transform 160ms var(--ease), color var(--t) var(--ease);
}
.quick:hover { background: var(--accent-soft); color: var(--text); transform: translateY(-2px); }
.quick.is-on { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.quick__ic { width: 24px; height: 24px; display: grid; place-items: center; color: var(--text); }
.quick__ic--star { color: #f5b301; }
.quick__ic--rec { color: var(--live); }
.quick__label { line-height: 1.3; }

/* ============ RAIL (recently played) ============ */
.row-head { display: flex; align-items: center; justify-content: space-between; margin: 30px 0 14px; gap: 12px; }
.row-head[hidden] { display: none; }
.row-head .section-title { margin: 0; }
.link-btn { border: none; background: transparent; color: var(--accent-2); font-size: 13px; font-weight: 600; }
.link-btn:hover { text-decoration: underline; }
.count-pill { padding: 3px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-2); font-size: 13px; font-weight: 700; }

.rail-wrap { position: relative; }
.rail-wrap[hidden] { display: none; }
.rail {
  display: flex; gap: 16px; overflow-x: auto; scroll-behavior: smooth;
  padding: 4px 2px 10px; scrollbar-width: none;
}
.rail::-webkit-scrollbar { display: none; }
.rail-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--glass-border);
  background: var(--panel-solid); color: var(--text); display: grid; place-items: center;
  box-shadow: var(--shadow); opacity: 0; transition: opacity var(--t) var(--ease);
}
.rail-wrap:hover .rail-nav { opacity: 1; }
.rail-nav[hidden] { display: none; }
.rail-nav--prev { left: -10px; }
.rail-nav--next { right: -10px; }
.rail-empty { padding: 30px 20px; text-align: center; color: var(--text-mut); border: 1px dashed var(--glass-border); border-radius: var(--radius); }
.rail-empty[hidden] { display: none; }

.channel-card {
  flex: none; width: 180px;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--panel);
  box-shadow: var(--shadow);
  cursor: pointer; text-align: left;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.channel-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 20px 40px -18px var(--accent-glow); }
.channel-card__logo {
  position: relative; height: 96px; display: grid; place-items: center;
  background: #fff; padding: 14px;
}
.channel-card__logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.channel-card__badge { position: absolute; left: 10px; bottom: 10px; }
.channel-card__fav { position: absolute; right: 8px; top: 8px; width: 18px; height: 18px; color: #f5b301; display: none; }
.channel-card.is-fav .channel-card__fav { display: block; }
.channel-card__body { padding: 12px 14px 14px; }
.channel-card__name { font-size: 14px; font-weight: 700; margin: 0 0 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.channel-card__cat { font-size: 12px; color: var(--text-mut); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.channel-card.is-active { border-color: var(--accent-2); box-shadow: 0 0 0 2px var(--accent-soft); }

.logo-fallback {
  width: 100%; height: 100%; display: grid; place-items: center;
  font-family: var(--font-sans); font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

/* ============ SKELETON LOADERS ============ */
.skeleton-card { flex: none; width: 180px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--glass-border); background: var(--panel); }
.skeleton-card__logo { height: 96px; }
.skeleton-card__body { padding: 12px 14px 14px; }
.skeleton-line { height: 12px; border-radius: 6px; margin-bottom: 8px; }
.skeleton-line.sm { width: 60%; height: 10px; margin-bottom: 0; }
.shimmer {
  background: linear-gradient(100deg, var(--glass-hi) 30%, rgba(124,58,237,.10) 50%, var(--glass-hi) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite linear;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ============ GRID VIEW ============ */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.channel-grid .channel-card { width: auto; }
.empty { padding: 60px 20px; text-align: center; color: var(--text-mut); }
.empty[hidden] { display: none; }

/* EPG program guide list */
.epg-list { display: flex; flex-direction: column; gap: 10px; }
.epg-row { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border); background: var(--panel); cursor: pointer; text-align: left; color: var(--text); }
.epg-row:hover { border-color: var(--accent); }
.epg-row__logo { width: 54px; height: 40px; border-radius: 7px; object-fit: contain; background: #fff; flex: none; }
.epg-row__name { font-weight: 700; font-size: 14px; }
.epg-row__prog { font-size: 12.5px; color: var(--text-mut); }
.epg-row__prog b { color: var(--accent-2); font-weight: 600; }

/* ============ FOOTER BAR ============ */
.footbar {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 0 26px;
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(14, 16, 48, 0.35), rgba(7, 8, 22, 0.55));
  backdrop-filter: blur(14px);
}
.footbar__info { display: flex; gap: 26px; min-width: 0; }
.foot-status { display: flex; align-items: center; gap: 11px; min-width: 0; }
.foot-status__ic { width: 24px; height: 24px; color: var(--text-dim); flex: none; }
.foot-status__ic.conn { color: var(--ok); }
.foot-label { display: block; font-size: 11px; color: var(--text-mut); }
.foot-value { display: block; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }
.foot-value.ok { color: var(--ok); }

.footbar__controls { display: flex; align-items: center; gap: 10px; }
.footbar__play {
  width: 54px; height: 54px; border-radius: 999px; border: none; color: #fff;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 26px -8px var(--accent-glow);
  transition: transform 160ms var(--ease);
}
.footbar__play:hover { transform: scale(1.06); }
.footbar__play:active { transform: scale(0.94); }

.footbar__extra { display: flex; align-items: center; gap: 12px; }
.volume--foot .range { width: 110px; }

/* ============ TOASTS ============ */
.toast-region {
  position: fixed; z-index: 200; right: 22px; bottom: 22px;
  display: flex; flex-direction: column; gap: 10px; max-width: 340px;
}
.toast {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 16px; border-radius: var(--radius-sm);
  background: var(--panel-solid); border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg); color: var(--text); font-size: 13.5px;
  transform: translateX(120%); opacity: 0;
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.toast.is-in { transform: translateX(0); opacity: 1; }
.toast__ic { width: 20px; height: 20px; flex: none; }
.toast--success .toast__ic { color: var(--ok); }
.toast--error .toast__ic { color: var(--live); }
.toast--info .toast__ic { color: var(--accent-2); }

/* ============ MODAL ============ */
.modal { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(3, 4, 12, 0.66); backdrop-filter: blur(4px); }
.modal__panel {
  position: relative; width: min(520px, 100%);
  background: var(--panel-solid); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  max-height: 86vh; overflow: hidden; display: flex; flex-direction: column;
  animation: pop var(--t) var(--ease);
}
@keyframes pop { from { transform: scale(0.94) translateY(10px); opacity: 0; } }
.modal__head { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px; border-bottom: 1px solid var(--glass-border); }
.modal__title { margin: 0; font-size: 18px; font-weight: 700; }
.modal__body { padding: 22px; overflow-y: auto; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 7px; color: var(--text-dim); }
.field input, .field select {
  width: 100%; height: 44px; padding: 0 14px; border-radius: 11px;
  border: 1px solid var(--glass-border); background: var(--bg-2); color: var(--text); font-size: 14px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.btn {
  height: 46px; padding: 0 20px; border-radius: 12px; border: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 24px -10px var(--accent-glow);
  transition: transform 160ms var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn__ic { width: 18px; height: 18px; display: grid; place-items: center; }
.btn--ghost { background: var(--glass-hi); color: var(--text); border: 1px solid var(--glass-border); box-shadow: none; }
.btn-row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; flex-wrap: wrap; }

.dropzone {
  border: 2px dashed var(--glass-border); border-radius: var(--radius);
  padding: 28px; text-align: center; color: var(--text-mut); font-size: 13.5px;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
  cursor: pointer;
}
.dropzone.is-over { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }

.pl-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass-hi); margin-bottom: 10px; }
.pl-item__name { font-weight: 600; font-size: 14px; }
.pl-item__meta { font-size: 12px; color: var(--text-mut); }
.pl-item__actions { display: flex; gap: 6px; }
.pl-item.is-active { border-color: var(--accent); background: var(--accent-soft); }
.about-list { line-height: 1.9; font-size: 14px; color: var(--text-dim); }
.setting-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--glass-border); }
.setting-row:last-child { border: none; }
.switch { position: relative; width: 46px; height: 26px; border-radius: 999px; background: rgba(255,255,255,.16); border: none; transition: background var(--t) var(--ease); flex: none; }
.switch.is-on { background: var(--accent); }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 999px; background: #fff; transition: transform var(--t) var(--ease); }
.switch.is-on::after { transform: translateX(20px); }

/* ============ SCRIM ============ */
.scrim { position: fixed; inset: 0; z-index: 90; background: rgba(3,4,12,.6); backdrop-filter: blur(3px); }
.scrim[hidden] { display: none; }

/* ============ THEATER MODE ============ */
.layout.is-theater .sidebar,
.layout.is-theater .topbar,
.layout.is-theater .footbar,
.layout.is-theater #recentHead,
.layout.is-theater #recentRailWrap,
.layout.is-theater #recentEmpty { display: none; }
.layout.is-theater { grid-template-columns: 1fr; }
.layout.is-theater .main { grid-template-rows: 1fr; }
.layout.is-theater .stage { grid-template-columns: 1fr; }
.layout.is-theater .side-panel { display: none; }
.layout.is-theater .content { padding: 0; display: grid; place-items: center; }
.layout.is-theater #view-home .section-title { display: none; }
.layout.is-theater .player { border-radius: 0; width: 100vw; height: 100dvh; aspect-ratio: auto; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1180px) {
  .stage { grid-template-columns: 1fr; }
  .side-panel { flex-direction: row; flex-wrap: wrap; }
  .side-panel .card { flex: 1 1 300px; }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .layout.is-collapsed { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; z-index: 100; top: 0; bottom: 0; left: 0; width: var(--sidebar-w);
    transform: translateX(-105%); transition: transform var(--t) var(--ease);
  }
  .layout.nav-open .sidebar { transform: translateX(0); box-shadow: var(--shadow-lg); }
  /* keep labels visible in mobile drawer even if collapsed class present */
  .is-collapsed .brand__text, .is-collapsed .nav__label, .is-collapsed .nav__chevron,
  .is-collapsed .nav__count, .is-collapsed .nav-group__title, .is-collapsed .nav__badge { display: revert; }
  .is-collapsed .nav__item { justify-content: flex-start; padding: 11px 13px; }
  .is-collapsed .nav-group[data-group="live"] { display: block; }
  .topbar__menu { display: grid; }
  .clock { display: none; }
}

@media (max-width: 720px) {
  .content { padding: 18px 16px 26px; }
  .topbar { padding: 0 16px; gap: 12px; }
  .footbar { padding: 0 14px; gap: 10px; }
  .footbar__info { display: none; }
  .footbar__extra .volume--foot { display: none; }
  .player__title { font-size: 20px; }
  .quick-actions { grid-template-columns: repeat(3, 1fr); }
  .side-panel { flex-direction: column; }
  .empty-state__title { font-size: 23px; }
}

@media (max-width: 480px) {
  .quick__label { font-size: 10px; }
  .footbar__extra #theaterBtn { display: none; }
  .player__tools .icon-btn:not(#moreBtn) { display: none; }
  .empty-state__actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}