:root {
  --bg: #0e0f13;
  --panel: #16171d;
  --panel-2: #1e202a;
  --border: #262832;
  --accent: #7c5cff;
  --accent-2: #ff5c8a;
  --text: #f3f3f7;
  --text-secondary: #8b8d9a;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  overscroll-behavior-y: none;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
.app-header {
  position: sticky; top: 0; z-index: 20;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, var(--bg) 70%, transparent);
}
.app-header-title {
  display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.15rem;
}
.app-header-title i { color: var(--accent); }

.app-content { flex-grow: 1; padding: .25rem 1.1rem 6.5rem; }

.empty-state { text-align: center; color: var(--text-secondary); padding: 4rem 1rem; }

/* ---- Playlist grid ---- */
.playlist-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.playlist-card {
  background: none; border: none; padding: 0; text-align: left; color: var(--text); cursor: pointer;
}
.playlist-cover { position: relative; aspect-ratio: 1; border-radius: 16px; overflow: hidden; background: var(--panel-2); box-shadow: 0 8px 24px rgba(0,0,0,.35); }
.playlist-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.playlist-cover-play {
  position: absolute; bottom: 8px; right: 8px; width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .8rem; box-shadow: 0 4px 12px rgba(124,92,255,.5);
}
.playlist-name { margin-top: .55rem; font-size: .88rem; font-weight: 600; line-height: 1.25; }
.playlist-meta { font-size: .74rem; color: var(--text-secondary); margin-top: .1rem; }

/* ---- Tap-to-start hint (non-blocking - autoplay needs one gesture, but never blocks scrolling/interaction) ---- */
.start-banner {
  position: fixed; left: 50%; transform: translateX(-50%) translateY(120%);
  bottom: calc(1rem + var(--safe-bottom)); z-index: 70;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  padding: .7rem 1.2rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
  box-shadow: 0 10px 30px rgba(124,92,255,.45); display: flex; align-items: center; gap: .5rem;
  pointer-events: none; opacity: 0; transition: transform .3s ease, opacity .3s ease;
  max-width: calc(100% - 2rem); white-space: nowrap;
}
.start-banner.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ---- Radio player page (normal document flow - scrolls as one page) ---- */
.player-page { padding: 0 0 2rem; }
.player-topbar {
  display: flex; align-items: center; justify-content: space-between; padding: .3rem 1.1rem 0;
  position: sticky; top: 0; z-index: 15; background: linear-gradient(180deg, var(--bg) 75%, transparent);
}
.player-topbar-label { text-align: center; }
.player-topbar-label div:last-child { font-size: .85rem; font-weight: 600; max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-icon { background: none; border: none; color: var(--text); font-size: 1.15rem; padding: .5rem; }

.player-hero { padding: 0 1.4rem; }
.player-art-wrap { display: flex; justify-content: center; margin: 1.2rem 0 1.5rem; }
.player-art { width: 78%; max-width: 300px; aspect-ratio: 1; border-radius: 20px; object-fit: cover; box-shadow: 0 20px 50px rgba(0,0,0,.55); }

.player-meta { text-align: center; margin-bottom: 1.2rem; }
.player-meta h2 { font-size: 1.25rem; margin: 0 0 .2rem; }
.player-meta p { margin: 0; font-size: .85rem; }

.player-progress input[type=range] {
  width: 100%; accent-color: var(--accent); height: 4px;
}
.player-time { display: flex; justify-content: space-between; font-size: .72rem; color: var(--text-secondary); margin-top: .2rem; }

.player-controls { display: flex; align-items: center; justify-content: center; gap: 1.3rem; margin: 1.3rem 0; }
.ctrl-btn { background: none; border: none; color: var(--text); font-size: 1.3rem; }
.ctrl-btn.small-ctrl { font-size: 1rem; color: var(--text-secondary); }
.ctrl-btn.small-ctrl.active { color: var(--accent); }
.play-btn {
  width: 62px; height: 62px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-size: 1.4rem; color: #fff;
  box-shadow: 0 10px 24px rgba(124,92,255,.45);
}

.scroll-hint {
  text-align: center; font-size: .74rem; color: var(--text-secondary); margin: .3rem 0 1.6rem;
  display: flex; align-items: center; justify-content: center; gap: .4rem; animation: hint-bounce 2s ease-in-out infinite;
}
@keyframes hint-bounce { 0%, 100% { transform: translateY(0); opacity: .6; } 50% { transform: translateY(-4px); opacity: 1; } }

/* ---- Track list below the player, always visible ---- */
.player-queue-section { padding: 0 1.1rem; border-top: 1px solid var(--border); padding-top: 1.2rem; margin-top: .5rem; }
.player-queue-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-secondary); margin: 0 0 .6rem .3rem; }
.player-queue { display: block; }
.queue-item {
  display: flex; align-items: center; gap: .7rem; padding: .55rem .3rem; border-radius: 10px; cursor: pointer;
}
.queue-item.playing { color: var(--accent); }
.queue-item img { width: 38px; height: 38px; border-radius: 8px; object-fit: cover; }
.queue-item .qi-title { font-size: .84rem; flex-grow: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.queue-item .qi-dur { font-size: .72rem; color: var(--text-secondary); }
.queue-item i.qi-eq { color: var(--accent); font-size: .8rem; }

/* ---- Browse playlists panel ---- */
.browse-panel {
  position: fixed; inset: 0; z-index: 60; background: var(--bg);
  max-width: 480px; margin: 0 auto; transform: translateX(-100%);
  transition: transform .28s cubic-bezier(.32,.72,0,1); display: flex; flex-direction: column;
}
.browse-panel.open { transform: translateX(0); }
.browse-panel-head {
  display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
}
.browse-panel-body { padding: 1.1rem; overflow-y: auto; flex-grow: 1; padding-bottom: 2rem; }
.playlist-cover-badge {
  position: absolute; top: 8px; left: 8px; background: var(--accent); color: #fff;
  font-size: .62rem; font-weight: 700; padding: .2rem .5rem; border-radius: 6px; letter-spacing: .02em;
}
.playlist-card { display: block; }

@media (min-width: 481px) {
  .app { border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
}