/* HealSound Studio — Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
  --bg-primary: #030712;
  --bg-secondary: #0f172a;
  --bg-card: #111827;
  --bg-elevated: #1f2937;
  --border: #1e293b;
  --border-bright: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-gold: #f59e0b;
  --glow-purple: rgba(139,92,246,0.4);
  --glow-blue: rgba(59,130,246,0.35);
  --glow-cyan: rgba(6,182,212,0.35);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #4b5563; }

/* ─── Layout ─────────────────────────────────────── */
#app { display: flex; flex-direction: column; min-height: 100vh; }

.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
  background: rgba(15,23,42,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 100;
}
.app-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem; font-weight: 700;
  background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #34d399 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.app-logo span { font-size: 1.1rem; }

.app-nav {
  display: flex; gap: 4px;
}
.nav-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  font-size: 0.825rem; font-weight: 500;
  color: var(--text-secondary);
  background: transparent; border: none; cursor: pointer;
  transition: all 0.18s ease;
}
.nav-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.nav-btn.active {
  background: rgba(139,92,246,0.18);
  color: #a78bfa;
  box-shadow: inset 0 0 0 1px rgba(139,92,246,0.35);
}
.nav-btn i { font-size: 0.9rem; }

.app-body {
  flex: 1; display: flex;
  padding: 24px; gap: 20px;
  max-width: 1600px; margin: 0 auto; width: 100%;
}

/* ─── Screens ─────────────────────────────────────── */
.screen { display: none; width: 100%; }
.screen.active { display: block; }

/* ─── Cards ─────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-title {
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--text-secondary);
}
.card-body { padding: 20px; }

/* ─── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 10px;
  font-size: 0.875rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: white;
  box-shadow: 0 4px 15px rgba(124,58,237,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(124,58,237,0.55); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-bright);
}
.btn-secondary:hover { background: #374151; }

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: #f87171;
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

.btn-success {
  background: rgba(16,185,129,0.15);
  color: #34d399;
  border: 1px solid rgba(16,185,129,0.3);
}
.btn-success:hover { background: rgba(16,185,129,0.25); }

.btn-icon {
  width: 36px; height: 36px;
  padding: 0; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-sm { padding: 6px 12px; font-size: 0.8rem; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 12px; }

/* ─── Play Button (Big) ─────────────────────────── */
.play-btn-big {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: white;
  box-shadow: 0 0 30px rgba(124,58,237,0.6), 0 0 60px rgba(124,58,237,0.2);
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.play-btn-big:hover {
  box-shadow: 0 0 40px rgba(124,58,237,0.8), 0 0 80px rgba(124,58,237,0.35);
  transform: scale(1.05);
}
.play-btn-big.playing {
  background: linear-gradient(135deg, #059669, #0d9488);
  box-shadow: 0 0 30px rgba(5,150,105,0.6), 0 0 60px rgba(5,150,105,0.2);
  animation: pulsePlay 2s ease-in-out infinite;
}
@keyframes pulsePlay {
  0%, 100% { box-shadow: 0 0 30px rgba(5,150,105,0.6), 0 0 60px rgba(5,150,105,0.2); }
  50% { box-shadow: 0 0 50px rgba(5,150,105,0.9), 0 0 90px rgba(5,150,105,0.4); }
}

/* ─── Sliders ─────────────────────────────────────── */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: #8b5cf6;
  box-shadow: 0 0 6px rgba(139,92,246,0.6);
  transition: transform 0.1s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.3); }

/* ─── Visualizer Canvas ──────────────────────────── */
#visualizerCanvas {
  width: 100%; border-radius: 12px;
  background: #000;
}

/* ─── Dashboard — Preset Cards ──────────────────── */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.preset-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 20px;
  cursor: pointer; transition: all 0.2s ease;
  position: relative; overflow: hidden;
}
.preset-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--preset-color, rgba(139,92,246,0.06));
  opacity: 0; transition: opacity 0.2s;
}
.preset-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.preset-card:hover::before { opacity: 1; }
.preset-card.active-preset {
  border-color: #8b5cf6;
  box-shadow: 0 0 20px rgba(139,92,246,0.2);
}
.preset-emoji { font-size: 2.5rem; margin-bottom: 10px; display: block; }
.preset-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem; font-weight: 600; margin-bottom: 6px;
}
.preset-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }
.preset-meta {
  margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap;
}
.preset-tag {
  font-size: 0.7rem; padding: 3px 8px; border-radius: 999px;
  background: rgba(139,92,246,0.15); color: #a78bfa;
  border: 1px solid rgba(139,92,246,0.25);
}
.preset-duration {
  font-size: 0.75rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 4px; margin-top: 8px;
}

/* ─── Mixer Tracks ────────────────────────────────── */
.mixer-container {
  display: flex; gap: 12px;
  overflow-x: auto; padding-bottom: 8px;
}
.mixer-track {
  min-width: 130px; background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  transition: all 0.2s;
}
.mixer-track.muted { opacity: 0.4; }
.mixer-track.soloed { border-color: #f59e0b; }

.track-freq {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  background: linear-gradient(135deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.track-name {
  font-size: 0.7rem; color: var(--text-secondary);
  text-align: center; line-height: 1.3;
}
.track-vol-label { font-size: 0.65rem; color: var(--text-muted); }

.vol-slider-wrap {
  height: 120px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  width: 100%;
}
.vol-slider-wrap input[type="range"] {
  writing-mode: vertical-lr;
  direction: rtl;
  height: 90px; width: 4px;
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
}
/* fallback vertical with transform */
.vol-slider-v {
  width: 90px; height: 4px;
  transform: rotate(-90deg);
  transform-origin: center;
  margin: 40px 0;
}

.track-btns { display: flex; gap: 4px; }
.track-btn {
  width: 28px; height: 28px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary); font-size: 0.65rem;
  cursor: pointer; transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.track-btn.mute-active { background: rgba(239,68,68,0.2); color: #f87171; border-color: rgba(239,68,68,0.4); }
.track-btn.solo-active { background: rgba(245,158,11,0.2); color: #fbbf24; border-color: rgba(245,158,11,0.4); }

.track-waveform {
  width: 80px; height: 30px; border-radius: 4px;
  background: rgba(0,0,0,0.3); overflow: hidden;
}
.track-waveform canvas { width: 100%; height: 100%; }

/* ─── Frequency Library ──────────────────────────── */
.freq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}
.freq-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
  cursor: default; transition: all 0.2s;
  position: relative;
  border-left: 3px solid var(--freq-color, var(--border));
}
.freq-card:hover { 
  border-color: var(--border-bright);
  border-left-color: var(--freq-color, var(--accent-purple));
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.freq-card .freq-hz {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.65rem; font-weight: 700;
}
.freq-card .freq-unit { font-size: 0.75rem; color: var(--text-muted); margin-left: 2px; }
.freq-card .freq-name { font-size: 0.84rem; font-weight: 600; margin: 4px 0 0; }
.freq-card .freq-cat {
  font-size: 0.65rem; padding: 2px 7px; border-radius: 999px;
  background: rgba(255,255,255,0.06); color: var(--text-muted);
  display: inline-block;
}
.freq-card .freq-benefits {
  font-size: 0.73rem; color: var(--text-secondary); line-height: 1.55;
}
.freq-card .freq-add-btn {
  position: absolute; top: 10px; right: 10px;
  width: 26px; height: 26px; border-radius: 6px;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.25);
  color: #a78bfa; font-size: 1rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.freq-card .freq-add-btn:hover { background: rgba(139,92,246,0.3); }

.freq-color-dot {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block; margin-right: 6px;
}

/* ─── Filter Pills ────────────────────────────────── */
.filter-pills {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px;
}
.filter-pill {
  padding: 5px 14px; border-radius: 999px; font-size: 0.78rem; font-weight: 500;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer; transition: all 0.15s;
}
.filter-pill:hover { border-color: var(--border-bright); color: var(--text-primary); }
.filter-pill.active {
  background: rgba(139,92,246,0.18);
  border-color: rgba(139,92,246,0.4); color: #a78bfa;
}

/* ─── Session Timer ──────────────────────────────── */
.session-timer-display {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem; font-weight: 700;
  background: linear-gradient(135deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-align: center; letter-spacing: -0.02em;
}
.session-timer-ring {
  position: relative; width: 160px; height: 160px; margin: 0 auto;
}
.session-timer-ring svg { transform: rotate(-90deg); }
.timer-track { fill: none; stroke: var(--bg-elevated); stroke-width: 8; }
.timer-progress {
  fill: none; stroke: url(#timerGrad);
  stroke-width: 8; stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}
.timer-inner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
}

/* ─── Export Screen ──────────────────────────────── */
.export-option {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  cursor: pointer; transition: all 0.15s; margin-bottom: 8px;
}
.export-option:hover { border-color: var(--border-bright); }
.export-option.selected {
  border-color: #8b5cf6;
  background: rgba(139,92,246,0.08);
}
.export-option input[type="radio"] { accent-color: #8b5cf6; }

.progress-bar-wrap {
  background: var(--bg-elevated); border-radius: 999px;
  height: 8px; overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, #7c3aed, #2563eb);
  transition: width 0.3s ease;
}

/* ─── Journal ─────────────────────────────────────── */
.mood-slider-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 14px;
}
.mood-label { font-size: 0.82rem; color: var(--text-secondary); width: 130px; flex-shrink: 0; }
.mood-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 700; width: 32px; text-align: right;
  color: #a78bfa;
}

.session-log-item {
  padding: 12px 16px; border-radius: 10px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  margin-bottom: 8px;
}
.session-log-date { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 4px; }
.session-log-name { font-size: 0.88rem; font-weight: 500; }
.session-log-meta { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }

/* ─── Transport Bar ──────────────────────────────── */
.transport-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(15,23,42,0.97);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
  padding: 12px 24px;
  display: flex; align-items: center; gap: 20px;
  z-index: 90;
}
.transport-info { flex: 1; min-width: 0; }
.transport-session-name {
  font-size: 0.9rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.transport-layers {
  font-size: 0.73rem; color: var(--text-secondary); margin-top: 2px;
}
.transport-time {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem; font-weight: 600; color: #a78bfa;
  white-space: nowrap;
}
.transport-vol-wrap {
  display: flex; align-items: center; gap: 8px;
  min-width: 150px;
}
.transport-vol-wrap i { color: var(--text-muted); font-size: 0.85rem; }
.transport-vol-wrap input[type="range"] { width: 100px; }

/* ─── Master Controls ────────────────────────────── */
.master-control-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.master-control-label { font-size: 0.78rem; color: var(--text-secondary); width: 90px; }
.master-control-value { font-size: 0.78rem; color: #a78bfa; width: 36px; text-align: right; }

/* ─── Notifications / Toast ──────────────────────── */
.toast-container {
  position: fixed; bottom: 90px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 999;
}
.toast {
  padding: 10px 18px; border-radius: 10px;
  font-size: 0.83rem; font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: slideIn 0.25s ease;
  max-width: 300px;
}
.toast.success { border-color: rgba(16,185,129,0.4); color: #34d399; }
.toast.error { border-color: rgba(239,68,68,0.4); color: #f87171; }
.toast.info { border-color: rgba(139,92,246,0.4); color: #a78bfa; }
@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Glow effects ───────────────────────────────── */
.glow-purple { box-shadow: 0 0 20px rgba(139,92,246,0.4); }
.glow-blue { box-shadow: 0 0 20px rgba(59,130,246,0.4); }
.glow-green { box-shadow: 0 0 20px rgba(16,185,129,0.4); }

/* ─── Waveform selector ──────────────────────────── */
.wave-selector {
  display: flex; gap: 4px;
}
.wave-btn {
  flex: 1; padding: 5px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary); font-size: 0.65rem;
  cursor: pointer; transition: all 0.15s; text-align: center;
}
.wave-btn.active {
  background: rgba(139,92,246,0.18);
  border-color: rgba(139,92,246,0.4);
  color: #a78bfa;
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .app-header { padding: 0 14px; }
  .app-body { padding: 14px; gap: 14px; flex-direction: column; }
  .nav-btn span { display: none; }
  .preset-grid { grid-template-columns: 1fr 1fr; }
  .freq-grid { grid-template-columns: 1fr 1fr; }
  .transport-bar { padding: 10px 14px; gap: 12px; }
  .session-timer-display { font-size: 2.5rem; }
}
@media (max-width: 480px) {
  .preset-grid { grid-template-columns: 1fr; }
  .freq-grid { grid-template-columns: 1fr; }
  .mixer-container { gap: 8px; }
  .mixer-track { min-width: 105px; }
}

/* ─── Animations ──────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease; }

@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }

/* Stars background */
.stars-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(139,92,246,0.04) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(59,130,246,0.04) 0%, transparent 60%),
              #030712;
}

/* Add layer button in mixer */
.add-layer-btn {
  min-width: 80px; background: rgba(139,92,246,0.08);
  border: 1px dashed rgba(139,92,246,0.3);
  border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; cursor: pointer; color: #a78bfa; font-size: 0.75rem;
  transition: all 0.2s;
}
.add-layer-btn:hover { background: rgba(139,92,246,0.15); border-color: rgba(139,92,246,0.5); }
.add-layer-btn i { font-size: 1.3rem; }

/* ─── Nature Sounds Screen ───────────────────────────────── */
.nature-sound-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.nature-sound-card:hover {
  border-color: rgba(139,92,246,0.35);
  background: rgba(139,92,246,0.04);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.nature-sound-card.nature-active {
  border-color: var(--sound-color, #34d399) !important;
  background: color-mix(in srgb, var(--sound-color, #34d399) 8%, var(--card-bg));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--sound-color, #34d399) 40%, transparent);
}
.nature-play-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.15);
  background: rgba(139,92,246,0.12);
  color: #a78bfa;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.nature-play-btn:hover {
  background: rgba(139,92,246,0.25);
  border-color: #a78bfa;
  transform: scale(1.08);
}
.nature-play-btn.playing {
  background: rgba(239,68,68,0.15);
  border-color: #f87171;
  color: #f87171;
  animation: pulseBtn 1.5s ease-in-out infinite;
}
@keyframes pulseBtn {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}
/* Active sound: animated background */
.nature-sound-card.nature-active::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--sound-color,#34d399) 6%, transparent) 0%,
    transparent 60%);
  pointer-events: none;
}

/* ─── Nature category filter pills ─────────────────────── */
.nature-filter-pill {
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.nature-filter-pill:hover { border-color: rgba(139,92,246,0.4); color: #a78bfa; }
.nature-filter-pill.active {
  background: rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.5);
  color: #a78bfa;
  font-weight: 600;
}

/* Status badge */
.status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 500;
}
.status-badge.online { background: rgba(16,185,129,0.12); color: #34d399; }
.status-badge.playing { background: rgba(139,92,246,0.12); color: #a78bfa; }
.status-badge.idle { background: rgba(71,85,105,0.2); color: var(--text-muted); }
.status-dot {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}
.status-badge.playing .status-dot { animation: pulseDot 1.2s ease-in-out infinite; }
@keyframes pulseDot {
  0%, 100% { opacity: 1; } 50% { opacity: 0.3; }
}

/* ══════════════════════════════════════════
   FOCUS MODE OVERLAY
══════════════════════════════════════════ */
.focus-overlay {
  position: fixed; inset: 0; z-index: 8888;
  background: #000;
  display: flex; align-items: center; justify-content: center;
}
.focus-center {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; text-align: center; padding: 40px;
}
.focus-session-name {
  font-size: 1.2rem; color: rgba(255,255,255,0.6);
  font-family: 'Space Grotesk', sans-serif;
}
.focus-timer {
  font-size: 5rem; font-weight: 700; color: #fff;
  font-variant-numeric: tabular-nums; letter-spacing: -2px;
  font-family: 'Space Grotesk', sans-serif;
  text-shadow: 0 0 40px rgba(139,92,246,0.8);
}
.focus-status { font-size: 0.9rem; color: #a78bfa; }
.focus-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(139,92,246,0.2); border: 2px solid rgba(139,92,246,0.4);
  color: #fff; font-size: 1.2rem; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.focus-btn:hover { background: rgba(139,92,246,0.4); transform: scale(1.1); }

/* ══════════════════════════════════════════
   RESPONSIVE MOBILE
══════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Header mobile */
  .app-header {
    padding: 0 12px;
    height: 56px;
  }
  .app-logo span { display: none; }
  .app-logo { font-size: 0.85rem; }

  /* Nav — poziomy scroll na mobile */
  .app-nav {
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; gap: 2px;
    padding: 0 2px;
  }
  .app-nav::-webkit-scrollbar { display: none; }
  .nav-btn { flex-shrink: 0; padding: 6px 8px; font-size: 0.65rem; min-width: 52px; }
  .nav-btn span { display: none; }
  .nav-btn i { font-size: 1rem; }

  /* Body */
  .app-body { padding: 12px 10px 100px 10px !important; }

  /* Dashboard grid — single column */
  #screen-dashboard > div[style*="grid-template-columns:1fr 360px"] {
    display: flex !important; flex-direction: column !important;
  }
  #screen-timer > div[style*="grid-template-columns:1fr 1fr"],
  #screen-export > div[style*="grid-template-columns:1fr 1fr"],
  #screen-journal > div[style*="grid-template-columns:2fr 1fr"] {
    display: flex !important; flex-direction: column !important;
  }

  /* Mixer tracks — wider on mobile */
  .mixer-container { gap: 8px; }
  .mixer-track { min-width: 160px; }

  /* Sliders — bigger touch targets */
  input[type="range"] { height: 44px; }

  /* Transport bar */
  .transport-bar { padding: 6px 10px; }
  .transport-vol-wrap { display: none; }

  /* Freq cards — full width on mobile */
  .freq-grid { grid-template-columns: 1fr 1fr !important; }

  /* Nature cards */
  .nature-sound-card { padding: 10px; }

  /* Timer ring — smaller */
  .session-timer-ring svg { width: 130px; height: 130px; }

  /* Focus mode timer */
  .focus-timer { font-size: 3.5rem; }
}

@media (max-width: 480px) {
  .freq-grid { grid-template-columns: 1fr !important; }
  .preset-grid { grid-template-columns: 1fr 1fr !important; }
}

/* ══════════════════════════════════════════
   PWA STANDALONE MODE
══════════════════════════════════════════ */
@media (display-mode: standalone) {
  .app-header { padding-top: env(safe-area-inset-top, 0); }
  .transport-bar { padding-bottom: env(safe-area-inset-bottom, 0); }
}

/* Smooth fade-in animation for autoplay overlay disappear */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

/* ══════════════════════════════════════════
   EDUCATIONAL TOOLTIPS
══════════════════════════════════════════ */
.freq-edu-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease;
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding: 0;
}
.freq-edu-panel[style*="max-height"]:not([style*="max-height: 0"]) {
  padding-top: 10px;
}