/* WaveStack Pro — black & blue "night stage" design with realistic lighting */
:root {
  --bg: #04060b;
  --bg-2: #070c16;
  --card: #0a1220;
  --card-2: #0f1a30;
  --line: #182842;
  --line-2: #24466e;
  --text: #eaf2ff;
  --muted: #8ea2c0;
  --accent: #2f8dff;
  --accent-2: #4fd2ff;
  --accent-deep: #1550a8;
  --boost: #ffb020;
  --ok: #21c44f;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(0,0,0,.55);
  --glow: 0 0 18px rgba(47,141,255,.35);
  --side-w: 248px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background:
    radial-gradient(1000px 420px at 75% -8%, rgba(47,141,255,.14) 0%, transparent 60%),
    radial-gradient(800px 500px at 10% 110%, rgba(79,210,255,.08) 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding-bottom: 96px;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
button { font-family: inherit; }
a { color: var(--accent-2); }

#sparks {
  position: fixed; inset: 0; z-index: 20;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ---------- layout shell ---------- */
.app-shell { display: flex; min-height: 100vh; position: relative; z-index: 5; }
.main { flex: 1; min-width: 0; margin-left: var(--side-w); padding: 0 20px; }
.view { max-width: 900px; margin: 0 auto; padding: 24px 0 8px; }

/* ---------- sidebar ---------- */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--side-w);
  background: rgba(5,10,18,.86);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--line);
  box-shadow: 1px 0 0 rgba(47,141,255,.08);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 16px;
  z-index: 45;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 19px; letter-spacing: .3px;
  color: var(--text); text-decoration: none; white-space: nowrap;
  padding: 4px 8px;
}
.logo span:first-of-type { color: var(--text); }
.logo span:last-of-type { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.side-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow: auto; }
.side-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 11px; cursor: pointer;
  color: var(--muted); font-size: 14px; font-weight: 600;
  background: transparent; border: 0; text-decoration: none;
  transition: color .15s, background .15s, box-shadow .15s;
  width: 100%; text-align: left;
}
.side-link:hover { color: var(--text); background: #0f1a30; }
.side-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(21,80,168,.5), rgba(47,141,255,.28));
  box-shadow: inset 0 0 0 1px rgba(47,141,255,.4), 0 0 16px rgba(47,141,255,.18);
}
.side-link .i { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; flex-shrink: 0; }
.side-sep { height: 1px; background: var(--line); margin: 10px 4px; }
.side-auth { border-top: 1px solid var(--line); padding-top: 14px; }
.au-row { display: flex; align-items: center; gap: 10px; }
.au-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; font-size: 15px;
  box-shadow: 0 0 12px rgba(47,141,255,.4);
}
.au-meta { min-width: 0; }
.au-meta b { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- auth (guest / signed-in) ---------- */
.g-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 10px 12px; border-radius: 999px; cursor: pointer;
  background: #0e1a30; border: 1px solid var(--line-2); color: var(--text);
  font-weight: 700; font-size: 13.5px; transition: border-color .15s, box-shadow .15s;
}
.g-btn:hover { border-color: var(--accent); box-shadow: var(--glow); }
.gs-hint { font-size: 11px; margin: 8px 2px 0; }

/* ---------- buttons / fields ---------- */
.btn {
  border: 0; border-radius: 999px; padding: 10px 16px; cursor: pointer;
  font-weight: 700; font-size: 13.5px; display: inline-flex; align-items: center; gap: 8px;
  transition: transform .1s, filter .15s, box-shadow .15s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(135deg, var(--accent-deep) 0%, var(--accent) 70%); color: #fff; box-shadow: 0 2px 14px rgba(47,141,255,.35); }
.btn-primary:hover { filter: brightness(1.15); box-shadow: 0 2px 22px rgba(79,210,255,.45); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--line-2); }
.btn-ghost:hover { color: var(--accent-2); border-color: var(--accent); box-shadow: var(--glow); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.icon-btn { background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: 6px 10px; display: flex; align-items: center; }
.icon-btn:hover { color: var(--accent-2); }

.field { display: flex; flex-direction: column; gap: 5px; margin-top: 12px; }
.field label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.field input, .field textarea, .field select {
  background: #08101f; border: 1px solid var(--line); border-radius: 9px; color: var(--text);
  padding: 10px 12px; font-size: 14px; font-family: inherit; outline: none; resize: vertical;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); box-shadow: var(--glow); }
.field input:disabled { opacity: .5; }

/* ---------- announce banner ---------- */
.announce {
  max-width: 900px; margin: 14px auto 0; padding: 10px 16px;
  background: linear-gradient(135deg, rgba(47,141,255,.18), rgba(79,210,255,.08));
  border: 1px solid rgba(47,141,255,.4); border-radius: 12px;
  display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 600;
  box-shadow: var(--glow); position: relative;
}
.announce .icon-btn { margin-left: auto; }

/* ---------- page header ---------- */
.page-head { margin: 8px 0 18px; }
.page-head h1 { margin: 0 0 4px; font-size: 24px; }
.page-head p { margin: 0; font-size: 13.5px; }

/* ---------- welcome hero ---------- */
.hero {
  position: relative; border-radius: 18px; overflow: hidden;
  background:
    radial-gradient(500px 220px at 80% 0%, rgba(47,141,255,.35) 0%, transparent 60%),
    linear-gradient(160deg, #0c1730 0%, #060a12 70%);
  border: 1px solid var(--line-2);
  padding: 34px 30px; margin-bottom: 26px;
  box-shadow: 0 0 40px rgba(47,141,255,.12);
}
.hero h1 { font-size: 34px; margin: 0 0 8px; line-height: 1.15; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { max-width: 520px; font-size: 15px; color: #b9c9e2; margin: 0 0 20px; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 26px; }
.mini-track {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px;
  display: flex; gap: 10px; align-items: center; cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.mini-track:hover { border-color: var(--accent); box-shadow: var(--glow); }
.mini-track canvas { border-radius: 8px; flex-shrink: 0; }
.mini-track b { display: block; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-track span { font-size: 11.5px; }

/* ---------- feed chips ---------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.chip {
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: 12.5px; font-weight: 600; color: var(--muted); cursor: pointer;
  transition: color .15s, border-color .15s, box-shadow .15s;
}
.chip:hover { color: var(--text); border-color: var(--line-2); }
.chip.active { color: #fff; border-color: var(--accent); background: rgba(47,141,255,.18); box-shadow: var(--glow); }

/* ---------- track cards ---------- */
.feed { display: flex; flex-direction: column; gap: 16px; }
.track-card {
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: 0 2px 12px rgba(0,0,0,.4);
  transition: border-color .2s, box-shadow .2s; position: relative;
}
.track-card:hover { border-color: var(--line-2); }
.track-card.playing {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(47,141,255,.6), 0 0 28px rgba(47,141,255,.28), var(--shadow);
}
.boost-badge {
  position: absolute; top: 12px; right: 12px;
  background: linear-gradient(135deg, #3a2a08, #1f1605); color: var(--boost);
  border: 1px solid rgba(255,176,32,.5); border-radius: 999px;
  font-size: 11px; font-weight: 800; padding: 3px 10px; letter-spacing: .3px;
  box-shadow: 0 0 12px rgba(255,176,32,.35);
}
.tc-top { display: flex; align-items: center; gap: 12px; }
.tc-cover { border-radius: 10px; flex-shrink: 0; box-shadow: 0 0 14px rgba(47,141,255,.25); }
.tc-head { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.tc-play {
  width: 42px; height: 42px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform .1s, filter .15s, box-shadow .15s;
  box-shadow: 0 2px 10px rgba(47,141,255,.4);
}
.tc-play:hover { filter: brightness(1.15); box-shadow: 0 0 18px rgba(79,210,255,.55); }
.tc-play:active { transform: scale(.94); }
.tc-titles { min-width: 0; }
.tc-title { margin: 0; font-size: 15.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tc-artist { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer; }
.tc-artist:hover { color: var(--accent-2); text-decoration: underline; }
.tc-actions { display: flex; gap: 10px; align-items: center; }
.tc-like, .tc-download {
  background: transparent; border: 0; cursor: pointer; color: var(--muted);
  display: flex; align-items: center; gap: 5px; font-size: 12px; padding: 4px; border-radius: 8px;
  transition: color .15s, background .15s, box-shadow .15s; text-decoration: none;
}
.tc-like:hover, .tc-download:hover { color: var(--accent-2); background: #0f1c34; box-shadow: inset 0 0 0 1px rgba(47,141,255,.35); }
.tc-like.liked { color: var(--accent-2); }
.tc-like.liked svg { fill: var(--accent-2); filter: drop-shadow(0 0 4px rgba(79,210,255,.8)); }
.tc-wave { width: 100%; height: 56px; display: block; margin: 12px 0 4px; cursor: pointer; border-radius: 8px; }
.tc-desc { margin: 8px 0 0; font-size: 13px; color: #b9c9e2; white-space: pre-wrap; }
.tc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.tag { background: #0e1b33; color: #9fc4ef; border: 1px solid #1d3358; border-radius: 999px; padding: 3px 10px; font-size: 11.5px; font-weight: 600; }
.tc-stats { font-size: 12px; display: flex; gap: 12px; margin-top: 6px; }
.tc-comments { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.tc-comment-list { display: flex; flex-direction: column; gap: 6px; max-height: 140px; overflow: auto; }
.comment { background: #0d1830; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font-size: 13px; display: flex; gap: 8px; align-items: flex-start; }
.comment b { color: var(--accent-2); margin-right: 6px; flex-shrink: 0; }
.comment a { color: #6ea8ff; font-size: 11px; font-weight: 700; flex-shrink: 0; }
.tc-comment-form { display: flex; gap: 8px; }
.tc-comment-form input {
  flex: 1; background: #08101f; border: 1px solid var(--line); border-radius: 999px; color: var(--text);
  padding: 8px 14px; font-size: 13px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.tc-comment-form input:focus { border-color: var(--accent); box-shadow: var(--glow); }

.empty { text-align: center; padding: 48px 0; }
.empty-icon { font-size: 42px; filter: drop-shadow(0 0 14px rgba(47,141,255,.6)); }
.empty h3 { margin: 10px 0 4px; }

/* ---------- track / artist detail ---------- */
.detail-hero { display: flex; gap: 20px; align-items: center; margin: 12px 0 18px; flex-wrap: wrap; }
.detail-hero canvas { border-radius: 16px; box-shadow: 0 0 30px rgba(47,141,255,.35); }
.detail-meta h1 { margin: 0 0 4px; font-size: 26px; }
.detail-meta .by { font-size: 14px; }
.detail-meta .by a { cursor: pointer; }
.fan-strip { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.fan-stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; min-width: 90px; }
.fan-stat b { display: block; font-size: 18px; color: var(--accent-2); }
.fan-stat span { font-size: 11.5px; }

/* ---------- settings / profile ---------- */
.card-block { background: linear-gradient(180deg, var(--card-2), var(--card)); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.card-block h2 { margin: 0 0 6px; font-size: 17px; }
.card-block p.sub { margin: 0 0 12px; font-size: 13px; }
.profile-row { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.profile-row .au-avatar { width: 64px; height: 64px; font-size: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.key-hint { font-size: 11.5px; }

/* ---------- admin ---------- */
.admin-gate { text-align: center; padding: 40px 10px; }
.admin-gate .au-avatar { width: 70px; height: 70px; font-size: 26px; margin: 0 auto 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat-card b { display: block; font-size: 22px; color: var(--accent-2); }
.stat-card span { font-size: 12px; }

/* ---------- mobile tabbar ---------- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  display: none;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(6,11,20,.97); backdrop-filter: blur(14px);
  border-top: 1px solid rgba(47,141,255,.35);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar button {
  background: transparent; border: 0; color: var(--muted); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 2px; font-size: 10px; font-weight: 700;
}
.tabbar button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.tabbar button.active { color: var(--accent-2); filter: drop-shadow(0 0 6px rgba(79,210,255,.6)); }

/* ---------- player bar ---------- */
.player-bar {
  position: fixed; left: var(--side-w); right: 0; bottom: 0; z-index: 50;
  background: rgba(6,11,20,.96); backdrop-filter: blur(14px);
  border-top: 1px solid rgba(47,141,255,.35);
  box-shadow: 0 -6px 30px rgba(0,0,0,.6), 0 -1px 0 rgba(79,210,255,.25) inset;
}
.pb-track { max-width: 900px; margin: 0 auto; display: flex; align-items: center; gap: 10px; padding: 10px 16px 0; }
.pb-cover { border-radius: 8px; box-shadow: 0 0 12px rgba(47,141,255,.4); }
.pb-meta { min-width: 0; }
.pb-title { font-size: 13.5px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pb-artist { font-size: 11.5px; }
.pb-controls { max-width: 900px; margin: 0 auto; display: flex; align-items: center; gap: 14px; padding: 6px 16px 12px; }
.pb-btn {
  background: transparent; border: 0; color: var(--text); cursor: pointer;
  display: flex; align-items: center; padding: 6px; border-radius: 50%;
  transition: color .15s, box-shadow .15s, transform .1s;
}
.pb-btn:hover { color: var(--accent-2); }
.pb-play {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff; width: 44px; height: 44px;
  box-shadow: 0 2px 12px rgba(47,141,255,.45);
}
.pb-play:hover { color: #fff; filter: brightness(1.12); }
.pb-play.beat { box-shadow: 0 0 26px rgba(79,210,255,.9); transform: scale(1.05); }
.pb-wave-wrap { flex: 1; display: flex; align-items: center; gap: 10px; }
.pb-wave { width: 100%; max-width: 420px; height: 44px; cursor: pointer; flex: 1; }
.pb-time { font-size: 11.5px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.pb-vol { display: flex; align-items: center; gap: 6px; color: var(--muted); }
#pb-volume { width: 80px; accent-color: var(--accent-2); cursor: pointer; }
#pb-like {
  background: transparent; border: 0; color: var(--muted); cursor: pointer;
  display: flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; padding: 6px;
  transition: color .15s;
}
#pb-like:hover { color: var(--accent-2); }
#pb-like.liked { color: var(--accent-2); }
#pb-like.liked svg { fill: var(--accent-2); stroke: var(--accent-2); filter: drop-shadow(0 0 5px rgba(79,210,255,.8)); }

/* ---------- upload modal ---------- */
.upload-overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(3,6,12,.78); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  overflow: auto;
}
.upload-card {
  width: 100%; max-width: 560px;
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--line-2); border-radius: 16px; padding: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 40px rgba(47,141,255,.15);
}
.uc-head { display: flex; align-items: center; margin-bottom: 14px; }
.uc-head h2 { margin: 0; font-size: 19px; }
.uc-head .icon-btn { margin-left: auto; }
.dropzone {
  border: 2px dashed #23406e; border-radius: var(--radius);
  padding: 18px; cursor: pointer; text-align: center;
  transition: border-color .15s, background .15s, box-shadow .2s;
}
.dropzone.dragover { border-color: var(--accent-2); background: #0a1730; box-shadow: inset 0 0 40px rgba(47,141,255,.15), var(--glow); }
.dz-inner { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--muted); }
.dz-inner strong { margin-top: 6px; color: var(--text); }
.dz-preview { display: flex; align-items: center; gap: 14px; text-align: left; }
.dz-preview canvas { border-radius: 10px; flex-shrink: 0; box-shadow: 0 0 12px rgba(47,141,255,.35); }
.dz-name { font-weight: 700; word-break: break-all; }
.dz-size { font-size: 12px; }
.upload-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; margin-top: 12px; }
.upload-form .field { margin-top: 10px; }
.upload-form .field:nth-child(3), .upload-form .field:nth-child(4) { grid-column: span 1; }
@media (max-width: 560px) { .upload-form { grid-template-columns: 1fr; } }
.uc-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---------- auth modal (email + password) ---------- */
.auth-overlay {
  position: fixed; inset: 0; z-index: 62;
  background: rgba(3,6,12,.8); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.auth-card {
  position: relative; width: 100%; max-width: 420px;
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--line-2); border-radius: 16px; padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 40px rgba(47,141,255,.15);
}
.auth-tabs { display: flex; gap: 6px; margin-bottom: 16px; background: #08101f; padding: 4px; border-radius: 999px; }
.auth-tab {
  flex: 1; border: 0; background: transparent; color: var(--muted); cursor: pointer;
  padding: 9px; font-size: 13.5px; font-weight: 700; border-radius: 999px; transition: background .15s, color .15s;
}
.auth-tab.active { background: linear-gradient(135deg, var(--accent-deep), var(--accent)); color: #fff; box-shadow: var(--glow); }
.field .fl { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; display: block; }
#auth-login .field, #auth-signup .field { margin-top: 12px; }
.auth-msg { min-height: 16px; font-size: 12.5px; color: #ff5d73; margin-top: 6px; }
.auth-note { font-size: 11.5px; color: var(--muted); margin: 12px 0 0; text-align: center; }

/* ---------- trending chart + genre radio ---------- */
.chart50 { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.chart-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 12px; cursor: pointer; transition: border-color .15s, box-shadow .15s, background .15s;
}
.chart-row:hover { border-color: var(--line-2); box-shadow: var(--glow); background: var(--card-2); }
.chart-num { font-weight: 800; font-size: 15px; width: 26px; text-align: center; color: var(--muted); flex-shrink: 0; }
.chart-num.top { color: var(--accent-2); text-shadow: 0 0 10px rgba(79,210,255,.6); }
.chart-cover { border-radius: 7px; flex-shrink: 0; box-shadow: 0 0 8px rgba(47,141,255,.25); }
.chart-meta { min-width: 0; flex: 1; }
.chart-meta b { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chart-score { font-size: 11px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chart-empty { padding: 20px; text-align: center; }
.radio-now {
  display: flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, rgba(47,141,255,.2), rgba(79,210,255,.08));
  border: 1px solid rgba(47,141,255,.4); border-radius: 10px; padding: 8px 12px; margin: 8px 0;
  font-size: 13px;
}

/* ---------- footer / toasts ---------- */
.footer { max-width: 900px; margin: 30px auto 0; padding: 16px; font-size: 12.5px; color: var(--muted); text-align: center; border-top: 1px solid #0d1730; }
.footer p { margin: 4px 0; }
#toasts { position: fixed; bottom: 104px; left: 50%; transform: translateX(-50%); z-index: 70; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: #0a1424; border: 1px solid #2a4a7a; color: var(--text);
  border-radius: 999px; padding: 10px 18px; font-size: 13px; font-weight: 600;
  box-shadow: 0 0 20px rgba(47,141,255,.35); animation: toast-in .25s ease; max-width: 80vw;
}
.toast.err { border-color: #ff5d73; box-shadow: 0 0 20px rgba(255,93,115,.3); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 0 14px; }
  .player-bar { left: 0; }
  .tabbar { display: grid; }
  .pb-controls { flex-wrap: wrap; gap: 8px; }
  .pb-vol { display: none; }
}