/* Stone & Clay Design System - Following Radix Colors 12-step scale */

/* ============================================================================
   LATTE MODE (Light Theme)
   ============================================================================ */

:root {
  /* ----------------------------------------------------------------------------
     Stone Scale (Warm Gray) - 12 steps
     Following Radix Colors methodology for semantic color usage
     ---------------------------------------------------------------------------- */
  --stone-1: #FDFCFB;   /* Step 1: App background */
  --stone-2: #F5F5F4;   /* Step 2: Subtle background */
  --stone-3: #E7E5E4;   /* Step 3: UI element background */
  --stone-4: #D6D3D1;   /* Step 4: Hovered UI element background */
  --stone-5: #C4C0BD;   /* Step 5: Active/Selected UI element background */
  --stone-6: #A8A29E;   /* Step 6: Subtle borders and separators */
  --stone-7: #78716C;   /* Step 7: UI element border and focus rings */
  --stone-8: #57534E;   /* Step 8: Hovered UI element border */
  --stone-9: #44403C;   /* Step 9: Solid backgrounds */
  --stone-10: #292524;  /* Step 10: Hovered solid backgrounds */
  --stone-11: #78716C;  /* Step 11: Low-contrast text */
  --stone-12: #1C1917;  /* Step 12: High-contrast text */
  
  /* ----------------------------------------------------------------------------
     Amber Scale (Accent) - 12 steps
     ---------------------------------------------------------------------------- */
  --amber-1: #FEFDFB;
  --amber-2: #FEF3C7;
  --amber-3: #FDE68A;
  --amber-4: #FCD34D;
  --amber-5: #FBBF24;
  --amber-6: #F59E0B;
  --amber-7: #D97706;
  --amber-8: #B45309;
  --amber-9: #92400E;
  --amber-10: #78350F;
  --amber-11: #92400E;
  --amber-12: #451A03;
  
  /* ----------------------------------------------------------------------------
     Semantic Tokens - Mapped to scale steps
     These tokens provide semantic meaning and make it easy to maintain consistency
     ---------------------------------------------------------------------------- */
  
  /* Background Tokens */
  --bg-app: var(--stone-1);           /* Step 1: Main app background */
  --bg-sidebar: var(--stone-2);       /* Step 2: Sidebar subtle background */
  --bg-surface: #FFFFFF;              /* White for cards to create depth */
  --bg-hover: var(--stone-3);         /* Step 3: Hover state background */
  --bg-active: var(--stone-4);        /* Step 4: Active state background */
  --bg-secondary: var(--stone-2);     /* Step 2: Secondary background */
  
  /* Text Tokens */
  --text-primary: var(--stone-12);    /* Step 12: High-contrast text */
  --text-secondary: var(--stone-11);  /* Step 11: Low-contrast text */
  --text-tertiary: var(--stone-6);    /* Step 6: Muted text */
  --text-inverse: var(--stone-1);     /* Inverse text for dark backgrounds */
  
  /* Border Tokens */
  --border-subtle: var(--stone-6);    /* Step 6: Subtle borders */
  --border-default: var(--stone-7);   /* Step 7: Default borders */
  --border-strong: var(--stone-8);    /* Step 8: Strong borders */
  
  /* Accent Tokens */
  --accent-primary: var(--amber-9);   /* Step 9: Primary accent color */
  --accent-hover: var(--amber-10);    /* Step 10: Hover accent color */
  --accent-subtle: var(--amber-3);    /* Step 3: Subtle accent background */
  --accent-glow: rgba(217, 119, 6, 0.1); /* Subtle glow effect */
  
  /* Status Colors - Warm variants for Latte mode */
  --status-success: #10b981;
  --status-success-bg: #d1fae5;
  --status-error: #ef4444;
  --status-error-bg: #fee2e2;
  --status-info: #3b82f6;
  --status-info-bg: #dbeafe;
  --status-warning: #f59e0b;
  --status-warning-bg: #fef3c7;
  
  /* Circle Colors - Warm variants for Dunbar's circles */
  --circle-inner: #8b5cf6;      /* Purple - Inner circle */
  --circle-close: #3b82f6;      /* Blue - Close friends */
  --circle-active: #10b981;     /* Green - Active friends */
  --circle-casual: #f59e0b;     /* Amber - Casual friends */
  --circle-acquaintance: #78716C; /* Stone - Acquaintances */
  
  /* Avatar Colors - Warm pastels */
  --avatar-sage-bg: #d1fae5;
  --avatar-sage-text: #065f46;
  --avatar-sand-bg: #fef3c7;
  --avatar-sand-text: #92400e;
  --avatar-rose-bg: #fce7f3;
  --avatar-rose-text: #9d174d;
  --avatar-stone-bg: #e7e5e4;
  --avatar-stone-text: #44403c;
  
  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows - Subtle, warm shadows */
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 4px 6px rgba(28, 25, 23, 0.07);
  --shadow-lg: 0 10px 15px rgba(28, 25, 23, 0.1);
  --shadow-xl: 0 20px 25px rgba(28, 25, 23, 0.15);
  
  /* Typography */
  --font-heading: 'Cabin Sketch', 'Comic Sans MS', cursive, sans-serif;
  --font-body: 'Handlee', 'Comic Sans MS', cursive, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  
  /* Font Sizes */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 26px;
  --text-3xl: 32px;
  
  /* Font Weights */
  --font-normal: 400;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 50;
  --z-sticky: 100;
  --z-overlay: 500;
  --z-modal: 1000;
  --z-toast: 2000;
}

/* ============================================================================
   ESPRESSO MODE (Dark Theme)
   Inverted Stone scale for dark backgrounds with warm tones
   ============================================================================ */

[data-theme="dark"] {
  /* ----------------------------------------------------------------------------
     Stone Scale - Inverted for dark mode
     ---------------------------------------------------------------------------- */
  --stone-1: #0C0A09;   /* Step 1: App background (deep coffee) */
  --stone-2: #1C1917;   /* Step 2: Subtle background */
  --stone-3: #292524;   /* Step 3: UI element background */
  --stone-4: #44403C;   /* Step 4: Hovered UI element background */
  --stone-5: #57534E;   /* Step 5: Active/Selected UI element background */
  --stone-6: #78716C;   /* Step 6: Subtle borders and separators */
  --stone-7: #A8A29E;   /* Step 7: UI element border and focus rings */
  --stone-8: #D6D3D1;   /* Step 8: Hovered UI element border */
  --stone-9: #E7E5E4;   /* Step 9: Solid backgrounds */
  --stone-10: #F5F5F4;  /* Step 10: Hovered solid backgrounds */
  --stone-11: #A8A29E;  /* Step 11: Low-contrast text */
  --stone-12: #FAFAF9;  /* Step 12: High-contrast text */
  
  /* ----------------------------------------------------------------------------
     Amber Scale - Adjusted for dark mode visibility
     ---------------------------------------------------------------------------- */
  --amber-9: #F59E0B;   /* Brighter amber for dark backgrounds */
  --amber-10: #FBBF24;  /* Even brighter for hover states */
  --amber-3: rgba(245, 158, 11, 0.15); /* Subtle amber background */
  
  /* ----------------------------------------------------------------------------
     Semantic Tokens - Auto-update via CSS variables
     ---------------------------------------------------------------------------- */
  
  /* Background Tokens */
  --bg-surface: var(--stone-3);       /* Cards on dark background */
  
  /* Accent Tokens */
  --accent-glow: rgba(245, 158, 11, 0.15); /* Warm glow for dark mode */
  
  /* Status Colors - Dark mode variants */
  --status-success: #10b981;
  --status-success-bg: #064e3b;
  --status-error: #ef4444;
  --status-error-bg: #7f1d1d;
  --status-info: #3b82f6;
  --status-info-bg: #1e3a5f;
  --status-warning: #f59e0b;
  --status-warning-bg: #78350f;
  
  /* Circle Colors - Adjusted for dark mode */
  --circle-inner: #a78bfa;      /* Lighter purple for visibility */
  --circle-close: #60a5fa;      /* Lighter blue */
  --circle-active: #34d399;     /* Lighter green */
  --circle-casual: #fbbf24;     /* Lighter amber */
  --circle-acquaintance: #a8a29e; /* Lighter stone */
  
  /* Avatar Colors - Dark mode variants */
  --avatar-sage-bg: rgba(16, 185, 129, 0.2);
  --avatar-sage-text: #6ee7b7;
  --avatar-sand-bg: rgba(251, 191, 36, 0.2);
  --avatar-sand-text: #fcd34d;
  --avatar-rose-bg: rgba(244, 114, 182, 0.2);
  --avatar-rose-text: #f9a8d4;
  --avatar-stone-bg: rgba(168, 162, 158, 0.2);
  --avatar-stone-text: #d6d3d1;
  
  /* Shadows - Darker, more subtle for dark mode */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

/* ============================================================================
   BASE STYLES
   Apply design system to common elements
   ============================================================================ */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-app);
  transition: background-color var(--transition-base), color var(--transition-base);
  /* Dotted pattern overlay - more visible */
  background-image: 
    radial-gradient(circle, var(--stone-7) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  background-attachment: fixed;
}

/* Smooth transitions for theme changes */
* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: var(--transition-base);
  transition-timing-function: ease;
}

/* Disable transitions on theme change to prevent flash */
html[data-theme-transitioning] * {
  transition: none !important;
}

/* Typography Hierarchy */
/* Cabin Sketch for headings, titles, and navigation */
h1, h2, h3, h4, h5, h6,
.sidebar__brand,
.nav-item,
.page-title,
.section-title,
.modal-title,
.card-title {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

/* Handlee for everything else (body text, buttons, labels, inputs) */
body,
p,
button,
input,
textarea,
select,
label,
.btn,
.input,
.badge,
.tag,
.toast {
  font-family: var(--font-body);
  font-weight: var(--font-normal);
}

/* Chat bubble maroon color */
:root {
  --chat-bubble-bg: #8B6F5C;
  --chat-bubble-hover: #7A5E4D;
}

[data-theme="dark"] {
  --chat-bubble-bg: #9B7F6C;
  --chat-bubble-hover: #8A6E5B;
}

/* ============================================================================
   PILL SWITCH COMPONENT
   Toggle switches with warm styling for preferences
   ============================================================================ */

.pill-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.pill-switch input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pill-switch__track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-base);
}

.pill-switch input[type="checkbox"]:checked + .pill-switch__track {
  background: var(--accent-primary);
}

.pill-switch__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.pill-switch input[type="checkbox"]:checked + .pill-switch__track .pill-switch__thumb {
  transform: translateX(20px);
}

.pill-switch__label {
  margin-left: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

/* Focus state for accessibility */
.pill-switch input[type="checkbox"]:focus + .pill-switch__track {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Disabled state */
.pill-switch input[type="checkbox"]:disabled + .pill-switch__track {
  opacity: 0.5;
  cursor: not-allowed;
}