@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400..800;1,400..800&family=Inter:wght@300;400;500;600;700&family=Literata:ital,opsz,wght@0,7..72,200..900;1,7..72,200..900&family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* =========================================================================
   1. Dynamic Theme Palettes (Stitch Serene Sanctuary System)
   ========================================================================= */

:root, body.theme-sand {
  /* 📜 Default: Classic Warm Sand */
  --bg-sand: #fcf9f4;
  --surface-lowest: #ffffff;
  --surface-low: #f6f3ee;
  --surface-mid: #f0ede8;
  --surface-high: #ebe8e3;
  --surface-highest: #e5e2dd;
  --primary-terracotta: #7c2d12;
  --primary-dark: #5e1700;
  --secondary-rust: #9b4500;
  --accent-gold: #d97706;
  --text-charcoal: #1c1c19;
  --text-muted: #55423d;
  --outline-subtle: #dcc1b9;
  --active-border-color: #d97706;
}

/* 🌧️ Theme 1: Rain & Weather (Misty Slate) */
body.theme-rain {
  --bg-sand: #f2f6f9;
  --surface-lowest: #ffffff;
  --surface-low: #e6edf3;
  --surface-mid: #dce5ec;
  --surface-high: #d2dce4;
  --surface-highest: #c8d3dc;
  --primary-terracotta: #2c3e50;
  --primary-dark: #1a252f;
  --secondary-rust: #34495e;
  --accent-gold: #2563eb;
  --text-charcoal: #0f172a;
  --text-muted: #475569;
  --outline-subtle: #cbd5e1;
  --active-border-color: #2563eb;
}

/* 🌲 Theme 2: Earth & Elements (Deep Forest & Warm Amber) */
body.theme-forest {
  --bg-sand: #f4f8f3;
  --surface-lowest: #ffffff;
  --surface-low: #e8efe5;
  --surface-mid: #dbe5d7;
  --surface-high: #cfdcab;
  --surface-highest: #c3d2bf;
  --primary-terracotta: #1b431e;
  --primary-dark: #123015;
  --secondary-rust: #2d5a27;
  --accent-gold: #d97706;
  --text-charcoal: #112213;
  --text-muted: #3d5540;
  --outline-subtle: #cad8c6;
  --active-border-color: #2d5a27;
}

/* 🧘 Theme 3: Meditation & Sound Bath (Zen Bronze Sandalwood) */
body.theme-meditation {
  --bg-sand: #faf5ee;
  --surface-lowest: #ffffff;
  --surface-low: #f2ebe0;
  --surface-mid: #e9dec9;
  --surface-high: #dfd2bb;
  --surface-highest: #d5c6ac;
  --primary-terracotta: #78350f;
  --primary-dark: #542407;
  --secondary-rust: #92400e;
  --accent-gold: #b45309;
  --text-charcoal: #27170a;
  --text-muted: #6b4d34;
  --outline-subtle: #ddcdb6;
  --active-border-color: #b45309;
}

/* 🧠 Theme 4: Brainwave & Frequency (Twilight Indigo Frequency) */
body.theme-brainwave {
  --bg-sand: #f4f4fb;
  --surface-lowest: #ffffff;
  --surface-low: #e9e9f7;
  --surface-mid: #dedef1;
  --surface-high: #d2d2eb;
  --surface-highest: #c6c6e5;
  --primary-terracotta: #312e81;
  --primary-dark: #1e1b4b;
  --secondary-rust: #4338ca;
  --accent-gold: #6366f1;
  --text-charcoal: #0f172a;
  --text-muted: #475569;
  --outline-subtle: #c7d2fe;
  --active-border-color: #6366f1;
}


body {
  font-family: 'Literata', Georgia, serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  padding-top: var(--sat);
  padding-bottom: var(--sab);
  padding-left: var(--sal);
  padding-right: var(--sar);
  background-color: var(--bg-sand);
  color: var(--text-charcoal);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.font-serif-title {
  font-family: 'EB Garamond', Georgia, serif;
}

.font-sans-ui {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Smartphone Mockup Frame Styling */
@media (min-width: 640px) {
  body {
    background: radial-gradient(circle at center, #24201c 0%, #121110 100%);
  }
  .phone-frame {
    box-shadow: 
      0 0 0 12px #2b2724,
      0 0 0 14px #3d3733,
      0 30px 80px rgba(0, 0, 0, 0.7);
  }
}

/* Dynamic color utility applications */
.bg-surface-sand {
  background-color: var(--bg-sand) !important;
}

.bg-surface-container {
  background-color: var(--surface-low) !important;
}

.bg-surface-container-high {
  background-color: var(--surface-high) !important;
}

.text-primary {
  color: var(--primary-dark) !important;
}

.bg-primary {
  background-color: var(--primary-dark) !important;
}

.text-accent-gold {
  color: var(--accent-gold) !important;
}

.bg-accent-gold {
  background-color: var(--accent-gold) !important;
}

.border-accent-gold {
  border-color: var(--accent-gold) !important;
}

/* Glassmorphism Panel */
.glass-panel {
  background: rgba(252, 249, 244, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(220, 193, 185, 0.4);
}

/* Custom Scrollbars */
.hide-scrollbar::-webkit-scrollbar {
  display: none;
}
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Range Slider Styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--surface-highest);
  border-radius: 9999px;
  height: 6px;
  outline: none;
  transition: background 0.3s;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-dark);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  transition: transform 0.15s, background 0.3s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-gold);
}

/* Breath Animation */
@keyframes breathGlow {
  0%, 100% {
    transform: scale(0.96);
    box-shadow: 0 0 25px rgba(217, 119, 6, 0.2);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 0 45px rgba(217, 119, 6, 0.55);
    opacity: 1;
  }
}

.animate-breath {
  animation: breathGlow 8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Equalizer Visualizer Bars */
@keyframes eqBar1 { 0%, 100% { height: 4px; } 50% { height: 18px; } }
@keyframes eqBar2 { 0%, 100% { height: 16px; } 50% { height: 6px; } }
@keyframes eqBar3 { 0%, 100% { height: 8px; } 50% { height: 22px; } }
@keyframes eqBar4 { 0%, 100% { height: 14px; } 50% { height: 10px; } }

.eq-bar-1 { animation: eqBar1 1.1s ease-in-out infinite; }
.eq-bar-2 { animation: eqBar2 0.9s ease-in-out infinite; }
.eq-bar-3 { animation: eqBar3 1.3s ease-in-out infinite; }
.eq-bar-4 { animation: eqBar4 1.0s ease-in-out infinite; }

/* =========================================================================
   Safe Area & Bezel Margin Enhancements (Top / Bottom / Left / Right)
   ========================================================================= */
.app-header {
  padding-top: max(env(safe-area-inset-top, 0px), 16px);
  padding-left: max(env(safe-area-inset-left, 0px), 16px);
  padding-right: max(env(safe-area-inset-right, 0px), 16px);
}

@media (min-width: 640px) {
  .app-header {
    padding-top: 24px; /* Clear phone frame speaker notch */
  }
}

.app-bottom-nav {
  padding-bottom: max(env(safe-area-inset-bottom, 0px), 16px);
  padding-left: max(env(safe-area-inset-left, 0px), 14px);
  padding-right: max(env(safe-area-inset-right, 0px), 14px);
}

.app-content-padding {
  padding-left: max(env(safe-area-inset-left, 0px), 16px);
  padding-right: max(env(safe-area-inset-right, 0px), 16px);
}