@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root {
  --bg: #14181f;
  --bg-elevated: #1a2029;
  --bg-card: #1f2530;
  --bg-card-hover: #262e3b;
  --accent-amber: #e8a33d;
  --accent-amber-soft: #f2c572;
  --text-primary: #eef1f6;
  --text-muted: #8b93a7;
  --divider: #2a3142;
  --danger: #e0654f;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --topbar-h: 60px;
  --player-h: 148px;
  --sidebar-w: 280px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
}

button, input, select {
  font-family: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent-amber);
  outline-offset: 2px;
}

/* ---------------- Login page ---------------- */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 0%, #1c2331 0%, var(--bg) 60%);
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 36px 32px;
  text-align: center;
}

.dial-mark { margin-bottom: 12px; }

.login-card h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  margin: 0 0 6px;
}

.login-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 24px;
  line-height: 1.5;
}

#login-form { display: flex; flex-direction: column; gap: 6px; text-align: left; }

#login-form label { font-size: 0.8rem; color: var(--text-muted); margin-top: 10px; }

#login-form input {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 1rem;
}

#login-form input:focus { border-color: var(--accent-amber); }

#login-form button {
  margin-top: 20px;
  background: var(--accent-amber);
  color: #1a1206;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}

#login-form button:hover { background: var(--accent-amber-soft); }

.login-error { color: var(--danger); font-size: 0.85rem; margin-top: 10px; }

/* ---------------- App shell ---------------- */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.topbar {
  height: var(--topbar-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--bg-elevated);
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.icon-btn:hover { background: var(--bg-card-hover); }

.search-wrap { flex: 1 1 auto; min-width: 0; }

#search-input {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 0.9rem;
}

.topbar-right { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.whoami { color: var(--text-muted); font-size: 0.85rem; display: none; }
@media (min-width: 640px) { .whoami { display: inline; } }

.text-btn {
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  cursor: pointer;
}
.text-btn:hover { color: var(--text-primary); border-color: var(--text-muted); }

.body-row {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

/* ---------------- Sidebar ---------------- */

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 auto;
  background: var(--bg-elevated);
  border-right: 1px solid var(--divider);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-head {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 16px 16px 8px;
}

.series-list { flex: 1 1 auto; padding: 0 8px; }

.series-group { margin-bottom: 4px; }

.series-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 8px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
}

.series-btn-label { flex: 1 1 auto; min-width: 0; }

.series-cover {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
  background: var(--bg-card);
  border: 1px solid var(--divider);
}

.series-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.series-btn:hover { background: var(--bg-card-hover); }

.series-btn .chevron { transition: transform 0.15s ease; color: var(--text-muted); flex: 0 0 auto; }
.series-group.open .series-btn .chevron { transform: rotate(90deg); }

.disk-list { display: none; padding-left: 10px; border-left: 1px solid var(--divider); margin-left: 12px; }
.series-group.open .disk-list { display: block; }

.disk-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  min-height: 40px;
}

.disk-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.disk-btn.active { color: var(--accent-amber); background: var(--bg-card-hover); }

.sidebar-foot {
  padding: 10px 16px;
  color: var(--text-muted);
  font-size: 0.7rem;
  border-top: 1px solid var(--divider);
}

.sidebar-scrim { display: none; }

/* ---------------- Content ---------------- */

.content {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 28px 32px calc(var(--player-h) + 24px);
}

.empty-state {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  gap: 8px;
  padding-top: 10vh;
}

.empty-state h2 { font-family: var(--font-display); color: var(--text-primary); margin: 12px 0 0; }
.empty-state p { margin: 0; font-size: 0.9rem; }

.track-view-cover {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 14px;
  border: 1px solid var(--divider);
  background: var(--bg-card);
}

.track-view-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.track-view h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 2px;
}

.track-view-sub { color: var(--text-muted); margin: 0 0 20px; font-size: 0.9rem; }

.track-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }

.track-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border-radius: 14px;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid transparent;
  min-height: 48px;
}

.track-row:hover { background: var(--bg-card-hover); }
.track-row.active { border-color: var(--accent-amber); background: var(--bg-card-hover); }

.track-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 28px;
  flex: 0 0 auto;
  text-align: right;
}

.track-row.active .track-num { color: var(--accent-amber); }

.track-name { flex: 1 1 auto; min-width: 0; font-size: 0.92rem; }
.track-series-tag { color: var(--text-muted); font-size: 0.75rem; display: block; margin-top: 2px; }

.track-play-icon {
  flex: 0 0 auto;
  color: var(--text-muted);
  display: flex;
}
.track-row.active .track-play-icon { color: var(--accent-amber); }

/* ---------------- Player ---------------- */

.player {
  flex: 0 0 auto;
  min-height: var(--player-h);
  background: var(--bg-elevated);
  border-top: 1px solid var(--divider);
  padding: 10px 20px 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto auto;
  gap: 8px 16px;
  align-items: center;
}

.player-track-info { grid-column: 1; grid-row: 1; display: flex; align-items: center; gap: 12px; min-width: 0; }

.dial { flex: 0 0 auto; }

.player-titles { min-width: 0; }

.player-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-sub {
  color: var(--text-muted);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.play-btn {
  width: 46px;
  height: 46px;
  background: var(--accent-amber);
  color: #1a1206;
}
.play-btn:hover { background: var(--accent-amber-soft); }

.player-seek {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}

.time { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); flex: 0 0 auto; width: 42px; }
.time:last-child { text-align: right; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--divider);
  border-radius: 2px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent-amber);
  cursor: pointer;
  margin-top: -0.5px;
}
input[type="range"]::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border: none;
  border-radius: 50%;
  background: var(--accent-amber);
  cursor: pointer;
}

.player-extra {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.rate-label { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.rate-label select {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 6px;
  padding: 3px 6px;
  font-size: 0.78rem;
}

.volume-wrap { display: none; align-items: center; gap: 8px; color: var(--text-muted); width: 140px; }
@media (min-width: 720px) { .volume-wrap { display: flex; } }

/* ---------------- Modal ---------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal-overlay:not([hidden]) { display: flex; }
.modal-overlay[hidden] { display: none; }

.modal-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 28px 26px;
}

.modal-card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 16px;
}

#pw-form { display: flex; flex-direction: column; gap: 4px; }

#pw-form label { font-size: 0.8rem; color: var(--text-muted); margin-top: 10px; }

#pw-form input {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 1rem;
}

#pw-form input:focus { border-color: var(--accent-amber); }

.pw-success { color: var(--accent-amber-soft); font-size: 0.85rem; margin-top: 10px; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.modal-save-btn {
  background: var(--accent-amber);
  color: #1a1206;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font-weight: 600;
  cursor: pointer;
}
.modal-save-btn:hover { background: var(--accent-amber-soft); }

/* ---------------- Responsive ---------------- */

@media (max-width: 860px) {
  :root { --sidebar-w: 78vw; }

  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    bottom: 0;
    left: 0;
    z-index: 30;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.4);
  }

  .app.sidebar-open .sidebar { transform: translateX(0); }

  .sidebar-scrim {
    display: none;
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: rgba(0,0,0,0.5);
    z-index: 20;
  }
  .app.sidebar-open .sidebar-scrim { display: block; }

  .content { padding: 18px 16px calc(var(--player-h) + 20px); }

  #search-input { max-width: none; }

  .player { padding: 8px 14px 12px; }
  .player-title { max-width: 46vw; }
}

@media (min-width: 861px) {
  #menu-toggle { display: none; }
}