*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d0d;
  --surface: #181818;
  --surface2: #202020;
  --surface3: #2a2a2a;
  --border: #333;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text: #f0f0f0;
  --text2: #aaa;
  --text3: #555;
  --red: #ef4444;
  --green: #22c55e;
  --radius: 8px;
  --sidebar-w: 210px;
  --radio-bar-h: 68px;
}

html, body { height: 100%; overflow: hidden; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  height: 54px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 20;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  letter-spacing: -0.5px;
  margin-right: 2px;
}

.search-wrap {
  flex: 1;
  position: relative;
  max-width: 320px;
}
.search-wrap svg {
  position: absolute; left: 10px; top: 50%;
  transform: translateY(-50%); color: var(--text3); pointer-events: none;
}
#search {
  width: 100%;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px 8px 32px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
#search:focus { border-color: var(--accent); }
#search::placeholder { color: var(--text3); }

#group-filter {
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  max-width: 160px;
}
#group-filter:focus { border-color: var(--accent); }

.dedup-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text2);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.dedup-toggle input { accent-color: var(--accent); cursor: pointer; }
.dedup-toggle:hover { color: var(--text); }

.header-actions { margin-left: auto; }

/* ── BUTTONS ── */
button { cursor: pointer; border: none; border-radius: var(--radius); font-size: 14px; font-weight: 500; transition: background 0.15s, opacity 0.15s; }
.btn-primary { background: var(--accent); color: #fff; padding: 8px 14px; display: flex; align-items: center; gap: 6px; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text2); padding: 7px 12px; }
.btn-ghost:hover { background: var(--surface3); color: var(--text); }

/* ── APP BODY ── */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── SIDEBAR ── */
aside {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-header {
  padding: 12px 14px 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text3);
}
#playlist-list { flex: 1; overflow-y: auto; padding: 2px 8px 8px; }
.sidebar-all { padding: 4px 8px 0; }

.playlist-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.1s;
  font-size: 13px;
  color: var(--text2);
}
.playlist-item:hover { background: var(--surface3); color: var(--text); }
.playlist-item.active { background: #1a3260; color: var(--accent); }
.playlist-item .pi-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.playlist-item .pi-count { font-size: 11px; color: var(--text3); }
.playlist-del {
  background: transparent; border: none; color: var(--text3);
  padding: 2px 4px; border-radius: 4px; cursor: pointer;
  opacity: 0; font-size: 16px; line-height: 1;
  transition: opacity 0.1s, color 0.1s;
}
.playlist-item:hover .playlist-del { opacity: 1; }
.playlist-del:hover { color: var(--red) !important; }

/* ── CONTENT AREA ── */
.content-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── CHANNEL COLUMN ── */
.channel-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  transition: flex 0.25s ease, min-width 0.25s ease;
}

.channel-col.with-video {
  flex: 0 0 340px;
  min-width: 0;
}

/* ── CHANNELS GRID ── */
.channels-grid {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  align-content: start;
}

.channel-col.with-video .channels-grid {
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
}

/* ── CHANNEL CARD ── */
.channel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  position: relative;
  overflow: visible;
}
.channel-card:hover { background: var(--surface3); border-color: #555; }
.channel-card.playing { border-color: var(--accent); background: #0f2040; }
.channel-card:active { opacity: 0.85; }

.ch-logo-wrap {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--surface3);
  overflow: hidden;
}

.ch-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.ch-logo-placeholder {
  font-size: 28px;
  font-weight: 700;
  color: var(--text3);
  line-height: 1;
}

.ch-name {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
  width: 100%;
}

.ch-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.ch-group {
  font-size: 10px;
  color: var(--text3);
  background: var(--surface3);
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.ch-sources-badge {
  font-size: 10px;
  color: var(--accent);
  background: #1a3260;
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.ch-playing-badge {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 2px var(--bg);
  animation: pulse 1.4s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

/* ── EMPTY STATE ── */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text3);
  gap: 14px;
  text-align: center;
}
.empty-state svg { opacity: 0.25; }
.empty-state h3 { font-size: 17px; color: var(--text2); font-weight: 600; }
.empty-state p { font-size: 13px; max-width: 300px; line-height: 1.6; }
.empty-state strong { color: var(--text); }

/* ── VIDEO COLUMN ── */
.video-col {
  flex: 1;
  background: #000;
  display: none;
  position: relative;
  overflow: hidden;
}
.video-col.visible { display: flex; }

#main-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
  display: block;
}

/* ── VIDEO CONTROLS OVERLAY ── */
.vcontrols {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.75) 0%,
    transparent 28%,
    transparent 70%,
    rgba(0,0,0,0.85) 100%
  );
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.vcontrols.show, .video-col:hover .vcontrols {
  opacity: 1;
  pointer-events: all;
}

.vcontrols-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px 16px 0;
  gap: 12px;
}

.vc-ch-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.vc-logo-ph {
  width: 38px; height: 38px;
  border-radius: 6px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.vc-logo {
  width: 38px; height: 38px;
  border-radius: 6px;
  object-fit: contain;
  background: rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.vc-texts { min-width: 0; }
.vc-name { font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vc-group { font-size: 11px; color: rgba(255,255,255,0.55); }

.vc-top-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.vcontrols-bottom {
  display: flex;
  align-items: center;
  padding: 10px 16px 14px;
  gap: 10px;
}
.vc-left { display: flex; align-items: center; gap: 10px; }
.vc-center { flex: 1; display: flex; justify-content: center; }
.vc-right { display: flex; align-items: center; gap: 8px; }

.vc-play-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.vc-play-btn:hover { background: rgba(255,255,255,0.25); }
.vc-play-btn:active { transform: scale(0.92); }

.vc-spinner {
  width: 22px; height: 22px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.vc-btn {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  color: #fff;
  border: none;
  border-radius: 6px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
}
.vc-btn:hover { background: rgba(255,255,255,0.22); }

.vc-source-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.7);
}
.vc-source-select {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  color: #fff;
  padding: 5px 8px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
  max-width: 180px;
}
.vc-source-select:focus { border-color: var(--accent); }

.vc-vol-wrap { display: flex; align-items: center; gap: 6px; }
.vc-vol-slider {
  -webkit-appearance: none; appearance: none;
  width: 80px; height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.25);
  outline: none; cursor: pointer;
}
.vc-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

/* live badge */
.live-badge {
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  padding: 3px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ── RADIO BAR ── */
#radio-bar {
  height: var(--radio-bar-h);
  background: #111;
  border-top: 1px solid var(--border);
  display: none;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 10;
}
#radio-bar.visible { display: flex; }

.rbar-info { display: flex; align-items: center; gap: 10px; min-width: 0; width: 220px; flex-shrink: 0; }
.rbar-logo-ph {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--surface3);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 700; color: var(--accent);
  flex-shrink: 0;
}
.rbar-logo { width: 40px; height: 40px; border-radius: 8px; object-fit: contain; background: var(--surface3); flex-shrink: 0; }
.rbar-texts { min-width: 0; }
.rbar-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rbar-group { font-size: 11px; color: var(--text3); }

.rbar-center { flex: 1; display: flex; align-items: center; justify-content: center; gap: 14px; }
.rbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.rbar-source-wrap { display: flex; align-items: center; gap: 6px; }

.play-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.play-btn:hover { background: var(--accent-hover); }
.play-btn:active { transform: scale(0.9); }

/* Radio visualizer */
.radio-visualizer {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
}
.radio-bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  animation: wave 0.9s ease-in-out infinite;
}
.radio-bar:nth-child(1) { animation-delay: 0s;    height: 35%; }
.radio-bar:nth-child(2) { animation-delay: 0.1s;  height: 70%; }
.radio-bar:nth-child(3) { animation-delay: 0.2s;  height: 100%; }
.radio-bar:nth-child(4) { animation-delay: 0.15s; height: 55%; }
.radio-bar:nth-child(5) { animation-delay: 0.05s; height: 30%; }
@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.25); }
}
.radio-visualizer.paused .radio-bar { animation-play-state: paused; }

/* rbar vol/mute controls reuse vc-btn & vc-vol-slider but on dark bg */
#radio-bar .vc-btn {
  background: var(--surface3);
  color: var(--text2);
}
#radio-bar .vc-btn:hover { background: var(--border); color: var(--text); }
#radio-bar .vc-vol-slider { background: var(--surface3); }
#radio-bar .vc-vol-slider::-webkit-slider-thumb { background: var(--accent); }
#radio-bar .vc-source-select {
  background: var(--surface3);
  border-color: var(--border);
  color: var(--text);
}

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 100;
  align-items: center; justify-content: center;
  padding: 16px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%; max-width: 460px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
}
.modal h2 { font-size: 18px; font-weight: 700; }

.modal-tabs {
  display: flex; gap: 4px;
  background: var(--surface3);
  border-radius: var(--radius);
  padding: 4px;
}
.modal-tab {
  flex: 1; background: transparent; color: var(--text2);
  padding: 8px; font-size: 13px; border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.modal-tab.active { background: var(--surface); color: var(--text); }

.modal-tab-panel { display: none; flex-direction: column; gap: 12px; }
.modal-tab-panel.active { display: flex; }

label {
  font-size: 13px; color: var(--text2);
  display: flex; flex-direction: column; gap: 6px;
}

input[type=text], input[type=url], textarea {
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px; outline: none; font-family: inherit;
  resize: vertical;
  transition: border-color 0.15s;
}
input[type=text]:focus, input[type=url]:focus, textarea:focus { border-color: var(--accent); }
input[type=file] { color: var(--text); font-size: 13px; }

.modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }

.error-msg { color: var(--red); font-size: 13px; display: none; }
.error-msg.visible { display: block; }

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 80px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 18px; font-size: 13px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 200; white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  aside { display: none; }
  .channel-col.with-video { flex: none; width: 100%; }
  .video-col.visible {
    position: fixed; inset: 54px 0 var(--radio-bar-h) 0;
    z-index: 30;
  }
  .vcontrols { opacity: 1; pointer-events: all; }
  .channels-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; padding: 8px; }
  .dedup-toggle span { display: none; }
}