:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-2: #10161f;
  --panel: #151c27;
  --panel-strong: rgba(21, 28, 39, 0.92);
  --glass: rgba(11, 15, 20, 0.78);
  --text: #eef2f7;
  --muted: #8d97a8;
  --accent: #e8a317;
  --accent-2: #5ec8c0;
  --ok: #3dbe84;
  --danger: #f07178;
  --border: rgba(255, 255, 255, 0.08);
  --soft: rgba(255, 255, 255, 0.045);
  --soft2: rgba(255, 255, 255, 0.075);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.36);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.22);
  --video: #000;
  --focus: rgba(232, 163, 23, 0.22);
  --onair: #ff5a5f;
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 22px;
  --topbar-h: 60px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f1eb;
  --bg-2: #ebe7de;
  --panel: #fffcf7;
  --panel-strong: rgba(255, 252, 247, 0.94);
  --glass: rgba(255, 252, 247, 0.86);
  --text: #1a2230;
  --muted: #5f6b7c;
  --accent: #c8890f;
  --accent-2: #1f8f88;
  --ok: #0f9f6e;
  --danger: #d64550;
  --border: rgba(26, 34, 48, 0.10);
  --soft: rgba(26, 34, 48, 0.04);
  --soft2: rgba(26, 34, 48, 0.07);
  --shadow: 0 18px 44px rgba(48, 40, 24, 0.12);
  --shadow-soft: 0 8px 20px rgba(48, 40, 24, 0.08);
  --video: #0b0f14;
  --focus: rgba(200, 137, 15, 0.18);
  --onair: #e24b52;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 520px at 8% -10%, rgba(232, 163, 23, 0.12), transparent 58%),
    radial-gradient(900px 480px at 100% 0%, rgba(94, 200, 192, 0.10), transparent 52%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 88%);
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

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

a { color: var(--accent-2); text-decoration: none; }
code {
  font-family: var(--mono);
  color: var(--accent);
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.1em 0.4em;
  font-size: 0.92em;
}

button, .button-like, .btn-primary, .btn-soft, .btn-ghost {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  white-space: nowrap;
  min-height: 42px;
  padding: 0.65rem 0.95rem;
  background: var(--soft2);
  color: var(--text);
  box-shadow: none;
  transition: transform .15s ease, filter .15s ease, background .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}

button:hover, .button-like:hover { filter: brightness(1.05); }
button:active, .button-like:active { transform: translateY(1px); }
button:focus-visible, .button-like:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, .nav-link:focus-visible, .channel-item:focus-visible, .group-pill:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary,
#loginSubmit,
#importBtn,
#saveTranscoderBtn,
#createUserBtn,
#saveProfileBtn {
  border-color: transparent;
  background: linear-gradient(135deg, #f0b429 0%, #d88912 100%);
  color: #1a1204;
  box-shadow: 0 8px 20px rgba(232, 163, 23, 0.22);
}

.btn-soft, .button-like.btn-soft {
  background: var(--soft2);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

html[data-theme="light"] .btn-soft,
html[data-theme="light"] .button-like.btn-soft,
html[data-theme="light"] .btn-ghost,
html[data-theme="light"] button[data-theme-toggle],
html[data-theme="light"] #logoutBtn,
html[data-theme="light"] #prevBtn,
html[data-theme="light"] #nextBtn,
html[data-theme="light"] #reloadBtn,
html[data-theme="light"] #loadCurrentBtn,
html[data-theme="light"] #selectVisibleBtn,
html[data-theme="light"] #clearSelectedBtn {
  background: #fff;
  border-color: rgba(26, 34, 48, 0.18);
  color: #1a2230;
  box-shadow: 0 1px 0 rgba(26, 34, 48, 0.04);
}

.transport-buttons button,
#prevBtn, #nextBtn, #reloadBtn {
  background: color-mix(in srgb, var(--accent) 14%, var(--soft2));
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  color: var(--text);
  font-weight: 800;
  min-width: 0;
}

html[data-theme="light"] .transport-buttons button,
html[data-theme="light"] #prevBtn,
html[data-theme="light"] #nextBtn,
html[data-theme="light"] #reloadBtn {
  background: color-mix(in srgb, var(--accent) 16%, #fff);
  border-color: color-mix(in srgb, var(--accent) 40%, rgba(26, 34, 48, 0.14));
  color: #1a1204;
}

.btn-ghost,
button[data-theme-toggle],
#logoutBtn,
.theme-float,
.sidebar-toggle {
  background: var(--soft);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

button.danger {
  background: rgba(240, 113, 120, 0.12);
  color: var(--danger);
  border: 1px solid rgba(240, 113, 120, 0.28);
  box-shadow: none;
}

button.group-pill,
button.channel-item {
  box-shadow: none;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--soft);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.78rem 0.95rem;
  outline: none;
  font: inherit;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 88%, transparent); }
input:focus, textarea:focus, select:focus {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
  box-shadow: 0 0 0 4px var(--focus);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 3px), calc(100% - 11px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

/* Topbar */
.topbar {
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: calc(8px + var(--safe-top)) 18px 8px;
  border-bottom: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(1.15);
  position: sticky;
  top: 0;
  z-index: 30;
}

.left-nav {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  flex-wrap: wrap;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  min-width: 0;
  min-height: 52px;
}

.brand-badge {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: #1a1204;
  background: linear-gradient(145deg, #f3be45, #d88912);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 8px 18px rgba(232,163,23,.22);
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 1.32rem;
  font-weight: 850;
  letter-spacing: 0.01em;
}

.brand-meta, .topbar span.brand-meta, #channelCount {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  margin-left: 0 !important;
}

.brand-link:hover strong { color: var(--accent); }

.nav-pills {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem;
  border-radius: 999px;
  background: var(--soft);
  border: 1px solid var(--border);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1;
  white-space: nowrap;
}

.nav-link:hover { color: var(--text); background: var(--soft2); }
.nav-link.active {
  background: linear-gradient(135deg, #f0b429, #d88912);
  color: #1a1204;
  box-shadow: 0 6px 14px rgba(232, 163, 23, 0.2);
}

.top-actions {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  flex: 0 0 auto;
}

.top-actions button {
  min-height: 38px;
  padding: 0.45rem 0.8rem;
  font-size: 0.9rem;
}

/* Play layout */
.layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  transition: grid-template-columns .22s ease, gap .22s ease;
}

.layout.sidebar-collapsed {
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
}

.sidebar {
  min-height: calc(100vh - var(--topbar-h) - 32px);
  background: var(--panel-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius-lg);
  padding: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: padding .22s ease;
}

.sidebar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.sidebar-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.sidebar-sub {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.sidebar-toggle {
  min-height: 36px;
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
  flex: 0 0 auto;
}

.layout.sidebar-collapsed .sidebar {
  padding: 10px 6px;
  align-items: center;
}

.layout.sidebar-collapsed .sidebar-head {
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.layout.sidebar-collapsed .sidebar-title-wrap,
.layout.sidebar-collapsed .search-box,
.layout.sidebar-collapsed .groups,
.layout.sidebar-collapsed .channel-list {
  display: none;
}

.layout.sidebar-collapsed .sidebar-toggle {
  writing-mode: vertical-rl;
  min-height: 140px;
  width: 100%;
  padding: 0.8rem 0.35rem;
}

.search-box input {
  min-height: 44px;
  border-radius: 999px;
  padding-left: 1rem;
}

.groups {
  display: flex;
  gap: 0.45rem;
  overflow: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.group-pill {
  white-space: nowrap;
  background: var(--soft2);
  color: var(--muted);
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  min-height: 36px;
  font-weight: 700;
  font-size: 0.86rem;
  transition: background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease, filter .15s ease, transform .15s ease;
}

.group-pill:hover {
  color: var(--text);
  border-color: var(--border);
  background: color-mix(in srgb, var(--soft2) 70%, var(--accent) 12%);
}

.group-pill.active {
  background: linear-gradient(135deg, #f3be45 0%, #e8a317 45%, #d88912 100%);
  color: #1a1204;
  border-color: transparent;
  font-weight: 900;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent),
    0 8px 18px color-mix(in srgb, var(--accent) 28%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  filter: brightness(1.08);
  transform: translateY(-1px);
}

button.group-pill.active {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent),
    0 8px 18px color-mix(in srgb, var(--accent) 28%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

html[data-theme="light"] .group-pill.active {
  color: #1a1204;
  filter: brightness(1.02);
}

.channel-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 auto;
  min-height: 0;
  max-height: calc(100vh - 250px);
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
}

.channel-item {
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 0.72rem 0.8rem;
  cursor: pointer;
  min-height: 48px;
  box-shadow: none;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}

.channel-item:hover {
  background: var(--soft2);
  border-color: var(--border);
  transform: translateX(2px);
  filter: none;
}

.channel-item.active {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.channel-item.playing {
  background: color-mix(in srgb, var(--ok) 10%, transparent);
  border-color: color-mix(in srgb, var(--ok) 42%, transparent);
}

.channel-item.buffering {
  border-color: color-mix(in srgb, var(--accent-2) 45%, transparent);
}

.channel-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 700;
  font-size: 0.95rem;
}

.channel-meta {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex: 0 0 auto;
}

.channel-item small {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
}

.channel-state {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--ok);
  border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  border-radius: 999px;
  padding: 0.12rem 0.45rem;
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.channel-state i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.channel-state-buffering {
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 35%, transparent);
  background: color-mix(in srgb, var(--accent-2) 12%, transparent);
}

.channel-state-buffering i {
  border: 2px solid color-mix(in srgb, var(--accent-2) 30%, transparent);
  border-top-color: var(--accent-2);
  animation: channel-spin .8s linear infinite;
}

.channel-state-playing i {
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent);
}

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

.transcode-badge {
  display: inline-flex;
  margin-left: 0.4rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  font-size: 0.7rem;
  font-style: normal;
  font-weight: 800;
  vertical-align: middle;
}

/* Player */
.player-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.now-card, .hint-card, .admin-card, .login-card {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.now-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
}

.now-main { min-width: 0; flex: 1 1 auto; }

.now-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.live-dot {
  --dot-color: var(--onair);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot-color);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--dot-color) 55%, transparent);
  animation: pulse-dot 1.8s ease-out infinite;
  transition: background .2s ease, box-shadow .2s ease;
}

.live-dot.is-idle {
  --dot-color: var(--onair);
}

.live-dot.is-buffering {
  --dot-color: var(--accent);
}

.live-dot.is-playing {
  --dot-color: var(--ok);
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--dot-color) 45%, transparent); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.now-card h1 {
  margin: 0.28rem 0 0.25rem;
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  line-height: 1.2;
  font-weight: 850;
  letter-spacing: -0.01em;
}

.now-status, .now-card p {
  margin: 0;
  color: var(--muted);
  word-break: break-word;
  font-size: 0.9rem;
  max-width: 62ch;
  white-space: pre-line;
}

.player-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
  flex: 0 1 auto;
  min-width: min(100%, 460px);
}

.playback-stats {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stat-chip, .playback-stats div {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

.playback-stats span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.playback-stats strong {
  font-size: 0.88rem;
  color: var(--accent-2);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.control-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
  align-items: center;
}

.transcode-control {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.35rem 0.2rem 0.7rem;
}

.transcode-control label {
  color: var(--muted);
  font-weight: 750;
  font-size: 0.78rem;
  white-space: nowrap;
}

.transcode-control select {
  width: auto;
  min-width: 0;
  min-height: 34px;
  padding: 0.35rem 1.55rem 0.35rem 0.4rem;
  background-color: transparent;
  border: 0;
  box-shadow: none;
  font-weight: 700;
  font-size: 0.88rem;
  overflow: visible;
}

/* 按各自最长选项定宽，既不裁字，也不再撑出大块空白 */
#transcodeSelect {
  /* 原画直通 / 转码播放 */
  width: 7.8em;
  min-width: 7.8em;
}

#transcodeQualitySelect {
  /* 画质优先 */
  width: 7.8em;
  min-width: 7.8em;
}

#transcodeResolutionSelect {
  /* 1080p */
  width: 5.6em;
  min-width: 5.6em;
}

.transcode-control select:focus {
  box-shadow: none;
  background: transparent;
}

.transport-buttons {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.transport-buttons button {
  min-height: 38px;
  padding: 0.45rem 0.75rem;
}

.player-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--video);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

video {
  width: 100%;
  height: 100%;
  background: var(--video);
  display: block;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background:
    radial-gradient(circle at 50% 40%, rgba(232,163,23,.08), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%);
}

.empty-card {
  display: grid;
  gap: 0.25rem;
  text-align: center;
  padding: 1rem 1.25rem;
  border: 1px dashed color-mix(in srgb, var(--border) 90%, var(--accent));
  border-radius: 16px;
  background: rgba(0,0,0,.28);
  backdrop-filter: blur(6px);
}

.empty-card strong {
  color: var(--text);
  font-size: 1.05rem;
}

.empty-card span {
  color: rgba(238, 242, 247, 0.72);
  font-size: 0.9rem;
}

html[data-theme="light"] .empty-card {
  background: rgba(255,255,255,.72);
}

html[data-theme="light"] .empty-card span {
  color: var(--muted);
}

.hint-card {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  flex-wrap: wrap;
  color: var(--muted);
  padding: 12px 16px;
  font-size: 0.9rem;
}

.hint-card strong {
  color: var(--text);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

/* Login */
.login-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(16px + var(--safe-top)) 16px calc(16px + var(--safe-bottom));
}

.login-shell {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--panel-strong);
}

.login-aside {
  position: relative;
  padding: 36px 32px;
  background:
    linear-gradient(160deg, rgba(232,163,23,.16), transparent 42%),
    linear-gradient(20deg, rgba(94,200,192,.12), transparent 40%),
    #101821;
  color: #eef2f7;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 480px;
}

html[data-theme="light"] .login-aside {
  background:
    linear-gradient(160deg, rgba(232,163,23,.20), transparent 45%),
    linear-gradient(20deg, rgba(31,143,136,.12), transparent 42%),
    #1a2230;
}

.login-aside-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  right: -30px;
  top: -30px;
  background: radial-gradient(circle, rgba(232,163,23,.35), transparent 68%);
  pointer-events: none;
}

.login-kicker {
  margin: 0 0 0.6rem;
  color: #f0b429;
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.login-aside h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.login-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  color: rgba(238,242,247,.78);
  font-size: 0.95rem;
}

.login-points li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.login-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: #f0b429;
  box-shadow: 0 0 0 4px rgba(240,180,41,.14);
  flex: 0 0 auto;
}

.login-card {
  position: relative;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.theme-float {
  position: absolute;
  right: 18px;
  top: 18px;
  min-height: 36px;
  padding: 0.4rem 0.7rem;
  font-size: 0.86rem;
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(145deg, #f3be45, #d88912);
  display: grid;
  place-items: center;
  color: #1a1204;
  font-weight: 1000;
  font-size: 1.15rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 10px 24px rgba(232,163,23,.22);
}

.login-card h1 {
  margin: 16px 0 6px;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.login-lead, .login-card > p {
  color: var(--muted);
  margin: 0 0 1.1rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.captcha-slot { min-height: 1px; }

.login-form button[disabled] {
  cursor: wait;
  opacity: 0.78;
}

.form-message {
  min-height: 22px;
  color: var(--danger);
  margin-top: 4px;
  font-size: 0.9rem;
}

.form-message.ok { color: var(--ok); }
.form-message.error { color: var(--danger); }

/* Admin / profile */
.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
}

.profile-layout {
  max-width: 980px;
  margin: 0 auto;
  width: 100%;
}

.admin-card {
  padding: 18px;
  min-width: 0;
}

.admin-card-wide { grid-column: 1 / -1; }

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0.25rem;
}

.admin-card h1, .admin-card h2 {
  margin: 0.2rem 0 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.card-desc, .admin-card p {
  color: var(--muted);
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
}

textarea {
  min-height: 48vh;
  margin-top: 12px;
  font-family: var(--mono);
  line-height: 1.55;
  font-size: 0.9rem;
  resize: vertical;
}

.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  align-items: center;
}

.section-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.compact-input { max-width: 240px; }

.muted-line, .status-line {
  color: var(--muted);
  margin: 10px 0 0;
  font-size: 0.9rem;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--soft);
  border: 1px solid var(--border);
  margin-top: 12px;
}

.settings-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.settings-form label,
.profile-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.user-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(120px, 140px) auto;
  gap: 10px;
  margin: 14px 0 4px;
}

.user-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.user-row {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
}

.user-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.user-meta span {
  color: var(--muted);
  font-size: 0.84rem;
}

.user-meta em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 999px;
  padding: 0.16rem 0.5rem;
  margin-left: 0.35rem;
  font-weight: 800;
}

.user-edit {
  display: grid;
  grid-template-columns: 1fr 140px 1fr auto auto;
  gap: 8px;
}

.profile-form {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.permission-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.permission-item {
  display: grid;
  gap: 0.25rem;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--soft);
  border: 1px solid var(--border);
}

.permission-item strong { font-size: 0.95rem; }
.permission-item span { color: var(--muted); font-size: 0.9rem; }

.channel-manager {
  display: grid;
  gap: 8px;
  max-height: 72vh;
  overflow: auto;
  padding-right: 2px;
  margin-top: 8px;
  scrollbar-width: thin;
}

.channel-edit-row {
  display: grid;
  grid-template-columns: 40px minmax(110px, 1fr) minmax(200px, 1.8fr) minmax(90px, .7fr) minmax(100px, .7fr) minmax(150px, .9fr) auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.check-cell { display: grid; place-items: center; }
.check-cell input { width: 18px; height: 18px; }

.no-result {
  color: var(--muted);
  padding: 18px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: var(--soft);
}

.mobile-channels-btn {
  display: none;
}

/* Tablet */
@media (min-width: 901px) and (max-width: 1280px) {
  .layout { grid-template-columns: 300px minmax(0, 1fr); }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-card-wide { grid-column: auto; }
  .channel-edit-row {
    grid-template-columns: 40px minmax(120px, 1fr) minmax(180px, 1.5fr) minmax(100px, .8fr) auto;
  }
  .channel-edit-row .channel-transcode-operation,
  .channel-edit-row .channel-transcode-mode {
    grid-column: 2 / -1;
  }
}

/* Mobile */
@media (max-width: 900px) {
  body {
    background-attachment: scroll;
  }

  .topbar {
    padding: calc(8px + var(--safe-top)) 10px 8px;
    gap: 8px;
    flex-wrap: wrap;
  }

  .left-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: nowrap;
  }

  .brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    font-size: 0.98rem;
  }

  .brand-text strong {
    font-size: 1.12rem;
  }

  .brand-meta,
  #channelCount {
    display: none;
  }

  .nav-pills {
    margin-left: 0;
    flex: 1 1 auto;
    min-width: 0;
    justify-content: space-between;
  }

  .nav-link {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.42rem 0.45rem;
    font-size: 0.86rem;
  }

  .top-actions {
    width: 100%;
  }

  .top-actions > * {
    flex: 1 1 0;
    min-height: 42px;
  }

  .layout,
  .admin-layout {
    grid-template-columns: 1fr;
    padding: 10px;
    gap: 10px;
  }

  .layout.sidebar-collapsed {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .player-panel {
    display: contents;
  }

  .player-frame {
    order: 1;
    border-radius: 16px;
    position: sticky;
    top: calc(var(--topbar-h) + var(--safe-top) + 4px);
    z-index: 15;
  }

  .now-card {
    order: 2;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
    border-radius: 16px;
  }

  .player-actions {
    align-items: stretch;
    min-width: 0;
    width: 100%;
  }

  .playback-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: stretch;
  }

  .playback-stats div,
  .stat-chip {
    justify-content: center;
    border-radius: 12px;
    min-width: 0;
  }

  .control-cluster {
    display: grid;
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .transcode-control {
    width: 100%;
    border-radius: 12px;
    padding: 0.25rem 0.45rem 0.25rem 0.7rem;
    display: grid;
    grid-template-columns: 84px 1fr;
    align-items: center;
  }

  .transcode-control select {
    width: 100%;
    min-height: 42px;
  }

  #transcodeSelect,
  #transcodeQualitySelect,
  #transcodeResolutionSelect {
    width: 100%;
  }

  .transport-buttons {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .transport-buttons button {
    min-height: 46px;
    padding: 0.7rem 0.25rem;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0;
    white-space: nowrap;
    overflow: visible;
  }

  .sidebar {
    order: 3;
    min-height: auto;
    max-height: none;
    border-radius: 16px;
    padding: 12px;
  }

  .sidebar-head {
    align-items: center;
  }

  .sidebar-sub { display: none; }

  .layout.sidebar-collapsed .sidebar {
    display: block;
    padding: 10px;
  }

  .layout.sidebar-collapsed .sidebar-toggle {
    writing-mode: horizontal-tb;
    min-height: 44px;
    width: 100%;
    padding: 0.7rem 1rem;
  }

  .search-box input { min-height: 46px; }

  .groups {
    padding-bottom: 2px;
    margin: 0 -2px;
  }

  .group-pill {
    min-height: 40px;
    padding: 0.55rem 0.85rem;
  }

  .channel-list {
    max-height: 48vh;
    gap: 6px;
  }

  .channel-item {
    min-height: 52px;
    border-radius: 14px;
  }

  .hint-card {
    order: 4;
    border-radius: 16px;
    padding: 12px;
    flex-direction: column;
    gap: 0.25rem;
  }

  .now-card h1 {
    font-size: 1.28rem;
  }

  .now-status {
    font-size: 0.86rem;
  }

  .login-shell {
    grid-template-columns: 1fr;
    border-radius: 22px;
  }

  .login-aside {
    min-height: auto;
    padding: 22px 20px 18px;
  }

  .login-aside h2 {
    font-size: 1.45rem;
    margin-bottom: 0.8rem;
  }

  .login-points {
    gap: 0.4rem;
    font-size: 0.88rem;
  }

  .login-card {
    padding: 22px 18px 24px;
  }

  .settings-form,
  .user-form-grid,
  .user-edit {
    grid-template-columns: 1fr;
  }

  .section-title-row { display: block; }
  .compact-input { max-width: none; width: 100%; }

  .admin-actions {
    width: 100%;
  }

  .admin-actions > button,
  .admin-actions > a.button-like {
    flex: 1 1 calc(50% - 10px);
    min-height: 44px;
  }

  .channel-edit-row {
    grid-template-columns: 34px 1fr;
  }

  .channel-edit-row .channel-url,
  .channel-edit-row .channel-group,
  .channel-edit-row .channel-transcode-mode,
  .channel-edit-row .channel-transcode-operation,
  .channel-edit-row .save-channel {
    grid-column: 2;
  }

  .admin-card,
  .admin-card-wide {
    border-radius: 16px;
    padding: 14px;
    grid-column: auto;
  }

  .mobile-channels-btn {
    display: none; /* reserved; list is already below player */
  }
}

@media (max-width: 420px) {
  .nav-link { padding: 0.38rem 0.65rem; font-size: 0.86rem; }
  .brand-badge { width: 40px; height: 40px; border-radius: 12px; font-size: 0.95rem; }
  .brand-text strong { font-size: 1.05rem; }
  .transport-buttons button { font-size: 0.84rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}