/* ============================================
   Aethon Design Tokens
   Single source of truth for all design values
   ============================================ */

:root {
  /* Backgrounds – layered depth */
  --bg-base:        #0A0A0B;
  --bg-surface:     #111114;
  --bg-elevated:    #18181C;
  --bg-overlay:     #1F1F26;
  --bg-hover:       #25252E;

  /* Borders */
  --border-subtle:  #1C1C23;
  --border-default: #28282F;
  --border-strong:  #38383F;

  /* Text */
  --text-primary:   #F0F0F2;
  --text-secondary: #9898A6;
  --text-muted:     #4A4A58;
  --text-inverse:   #0A0A0B;

  /* Primary Accent */
  --amber:          #F3130B;
  --amber-light:    #FF4D47;
  --amber-dark:     #C10E09;
  --amber-glow:     rgba(243, 19, 11, 0.15);
  --amber-glow-sm:  rgba(243, 19, 11, 0.08);
  --amber-border:   rgba(243, 19, 11, 0.25);

  /* Semantic Colors */
  --success:        #10B981;
  --success-bg:     rgba(16, 185, 129, 0.10);
  --success-border: rgba(16, 185, 129, 0.20);

  --danger:         #EF4444;
  --danger-bg:      rgba(239, 68, 68, 0.10);
  --danger-border:  rgba(239, 68, 68, 0.20);

  --warning:        #F59E0B;
  --warning-bg:     rgba(245, 158, 11, 0.10);

  --info:           #3B82F6;
  --info-bg:        rgba(59, 130, 246, 0.10);
  --info-border:    rgba(59, 130, 246, 0.20);

  /* Typography */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;

  /* Spacing */
  --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;
  --space-20:  80px;

  /* Border Radius */
  --radius-sm:   6px;
  --radius:      10px;
  --radius-md:   14px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow:     0 4px 12px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.6), 0 8px 16px rgba(0,0,0,0.4);
  --shadow-amber: 0 0 20px rgba(243,19,11,0.25), 0 4px 12px rgba(0,0,0,0.4);

  /* Breakpoints (reference only – CSS custom properties cannot be used in @media queries)
     xs:  480px
     sm:  640px
     md:  768px  ← mobile/desktop switch used in AethonSidebar & AethonAppBar
     lg: 1024px
     xl: 1280px  */

  /* Motion — dark mode default */
  --ease-default: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:      cubic-bezier(0.4, 0, 1, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);

  --duration-fast:    100ms;
  --duration-default: 160ms;
  --duration-slow:    260ms;
  --duration-slower:  400ms;
}

/* ============================================
   Light Mode
   Activated via html[data-theme="light"]
   ============================================ */

html[data-theme="light"] {
  /* Backgrounds */
  --bg-base:        #F2F2F7;
  --bg-surface:     #FFFFFF;
  --bg-elevated:    #EBEBF0;
  --bg-overlay:     #E5E5EA;
  --bg-hover:       #DCDCE2;

  /* Borders */
  --border-subtle:  #E5E5EA;
  --border-default: #D1D1D6;
  --border-strong:  #AEAEB2;

  /* Text */
  --text-primary:   #0D0D10;
  --text-secondary: #48484A;
  --text-muted:     #AEAEB2;
  --text-inverse:   #F2F2F7;

  /* Primary – light mode overrides */
  --amber-glow:     rgba(243, 19, 11, 0.12);
  --amber-glow-sm:  rgba(243, 19, 11, 0.06);
  --amber-border:   rgba(243, 19, 11, 0.30);

  /* Semantic – slightly more visible on light backgrounds */
  --success-bg:     rgba(16, 185, 129, 0.10);
  --success-border: rgba(16, 185, 129, 0.25);

  --danger-bg:      rgba(239, 68, 68, 0.10);
  --danger-border:  rgba(239, 68, 68, 0.25);

  --warning-bg:     rgba(245, 158, 11, 0.10);

  --info-bg:        rgba(59, 130, 246, 0.10);
  --info-border:    rgba(59, 130, 246, 0.25);

  /* Shadows – softer on light */
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.05), 0 1px 4px rgba(0,0,0,0.04);
  --shadow:       0 2px 8px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.05);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);
  --shadow-amber: 0 0 16px rgba(243,19,11,0.20), 0 4px 8px rgba(0,0,0,0.08);
}