/* ─── Variables ──────────────────────────────────────────────── */
:root {
  --bg:       #0a0a0a;
  --surface:  #111111;
  --border:   #222222;
  --accent:   #c8f04a;
  --accent2:  #4af0c8;
  --text:     #e8e8e0;
  --muted:    #555550;
  --danger:   #f04a4a;

  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;
  --font-body:    'DM Sans', system-ui, sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 120px;
}

/* ─── Noise texture ──────────────────────────────────────────── */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* ─── Header ─────────────────────────────────────────────────── */
header {
  padding: 36px 48px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
}
.header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 16px;
}
.logo-block { display: flex; flex-direction: column; gap: 2px; }
.logo-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.logo {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1;
}
.header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.track-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.header-rule {
  height: 1px;
  background: var(--border);
}

/* ─── Main ───────────────────────────────────────────────────── */
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ─── Track list ─────────────────────────────────────────────── */
.track-list { margin-top: 8px; }

.track-row {
  display: grid;
  grid-template-columns: 48px 1fr auto 100px;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.track-row:hover { background: rgba(255,255,255,0.02); }
.track-row.playing { background: rgba(200, 240, 74, 0.04); }
.track-row.playing .track-number { color: var(--accent); }

.track-number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  transition: color 0.15s;
}
.track-title {
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
}
.track-artist {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}
.track-desc {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.track-genre {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.track-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.track-duration, .track-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.track-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn-play {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.btn-play:hover, .btn-play.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #000;
}
.btn-dl {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s;
}
.btn-dl:hover { border-color: var(--accent2); color: var(--accent2); }

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  padding: 6px 12px;
  transition: color 0.15s, border-color 0.15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 12px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; }

/* ─── Sticky player ──────────────────────────────────────────── */
.player {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 14px 48px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  z-index: 200;
}
.player.visible { transform: translateY(0); }

.player-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr 1fr auto;
  gap: 24px;
  align-items: center;
}
.player-title {
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player-artist {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.player-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
}
.player-controls button {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  transition: color 0.15s;
  padding: 4px;
}
.player-controls button:hover { color: var(--text); }
#btnPlayPause {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent) !important;
  color: #000 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.player-progress {
  display: flex;
  align-items: center;
  gap: 10px;
}
.player-progress span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  width: 36px;
  flex-shrink: 0;
}
.progress-bar {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.player-volume {
  display: flex;
  align-items: center;
  gap: 8px;
}
.player-volume span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
}
input[type="range"] {
  width: 72px;
  accent-color: var(--accent);
}

/* ─── Empty state ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 0;
  color: var(--muted);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { margin-bottom: 20px; }

/* ─── Admin ──────────────────────────────────────────────────── */
.admin-main { max-width: 800px; margin: 0 auto; padding: 0 48px; }
.admin-section { margin-top: 40px; }
.section-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title .track-count {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 8px;
}

/* Login */
.login-wrap { display: flex; justify-content: center; margin-top: 80px; }
.login-box { width: 320px; }
.login-form { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }

/* Forms */
.upload-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hint { color: var(--muted); font-size: 10px; }
input[type="text"],
input[type="password"],
textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }

/* File drop */
.file-drop { position: relative; }
.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-drop-inner {
  border: 1px dashed var(--border);
  background: var(--surface);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color 0.15s;
}
.file-drop:hover .file-drop-inner { border-color: var(--accent); }
.file-drop-icon { font-size: 32px; opacity: 0.3; }
.file-drop-text { font-size: 14px; color: var(--muted); }
.file-drop-name { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }

/* Alerts */
.alert {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: 20px;
  border-left: 3px solid;
}
.alert-error  { background: rgba(240, 74, 74, 0.1);  border-color: var(--danger);  color: var(--danger); }
.alert-success { background: rgba(200, 240, 74, 0.1); border-color: var(--accent); color: var(--accent); }

/* Admin track list */
.admin-track-list { display: flex; flex-direction: column; gap: 0; }
.admin-track-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.admin-track-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.admin-track-meta { font-size: 11px; margin-top: 4px; }

.btn-delete {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: border-color 0.15s, color 0.15s;
}
.btn-delete:hover { border-color: var(--danger); color: var(--danger); }

/* ─── Footer ─────────────────────────────────────────────────── */
footer {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.admin-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
}
.admin-link:hover { color: var(--text); }

/* ─── Utility ────────────────────────────────────────────────── */
.muted { color: var(--muted); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  header, main, .admin-main, footer { padding-left: 20px; padding-right: 20px; }
  .track-row { grid-template-columns: 32px 1fr 80px; }
  .track-meta { display: none; }
  .player-inner { grid-template-columns: 1fr auto; gap: 12px; }
  .player-volume, .player-progress { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .player { padding: 12px 20px; }
}