/* ==========================================================================
   Sirius Studio — Senior Software Engineer Portfolio Design System
   Figma Community Inspired Minimalist Theme (Light Default with Dark Engine)
   ========================================================================== */

:root {
  /* Spacing Scale */
  --space-3xs: 2px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Smooth Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   LIGHT THEME (Pure White Minimalist Aesthetic)
   ========================================================================== */
:root,
[data-theme="light"] {
  /* Surfaces */
  --bg-app: #FFFFFF;
  --bg-page: #FFFFFF;
  --bg-surface: #F9FAFB;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-nav: rgba(255, 255, 255, 0.92);
  --bg-input: #FFFFFF;
  --bg-badge: #F3F4F6;
  --bg-circle-halo: radial-gradient(circle at center, rgba(16, 185, 129, 0.12) 0%, rgba(243, 244, 246, 0.6) 60%, transparent 100%);

  /* Borders */
  --border-subtle: #F3F4F6;
  --border-light: #E5E7EB;
  --border-medium: #D1D5DB;
  --border-strong: #9CA3AF;
  --circle-border: #FFFFFF;

  /* Typography Colors */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-dim: #9CA3AF;
  --text-inverted: #FFFFFF;

  /* Action Buttons & Brand Accents */
  --btn-primary-bg: #111827;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover: #1F2937;
  --btn-secondary-bg: #FFFFFF;
  --btn-secondary-text: #111827;
  --btn-secondary-border: #E5E7EB;
  --btn-secondary-hover: #F9FAFB;

  /* Brand Accents */
  --accent-green: #10B981;
  --accent-green-bg: #ECFDF5;
  --accent-green-border: rgba(16, 185, 129, 0.24);
  --accent-amber: #D97706;
  --accent-amber-bg: #FEF3C7;
  --accent-blue: #2563EB;
  --accent-blue-bg: #EFF6FF;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-circle: 0 24px 60px rgba(0, 0, 0, 0.12), 0 0 40px rgba(16, 185, 129, 0.12);
}

/* ==========================================================================
   DARK THEME (Pure AMOLED Black #000000 with Clean Dark Cards)
   ========================================================================== */
[data-theme="dark"] {
  /* Surfaces: Pure Black Canvas */
  --bg-app: #000000;
  --bg-page: #000000;
  --bg-surface: #080808;
  --bg-card: #0D0D0D;
  --bg-card-hover: #141414;
  --bg-nav: rgba(0, 0, 0, 0.88);
  --bg-input: #0D0D0D;
  --bg-badge: #141414;
  --bg-circle-halo: radial-gradient(circle at center, rgba(16, 185, 129, 0.18) 0%, rgba(20, 20, 20, 0.5) 60%, transparent 100%);

  /* Borders */
  --border-subtle: #181818;
  --border-light: #242424;
  --border-medium: #333333;
  --border-strong: #4B5563;
  --circle-border: #1A1A1A;

  /* Typography Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #D4D4D8;
  --text-muted: #A1A1AA;
  --text-dim: #71717A;
  --text-inverted: #000000;

  /* Action Buttons & Brand Accents */
  --btn-primary-bg: #FFFFFF;
  --btn-primary-text: #000000;
  --btn-primary-hover: #E4E4E7;
  --btn-secondary-bg: #111111;
  --btn-secondary-text: #FFFFFF;
  --btn-secondary-border: #27272A;
  --btn-secondary-hover: #18181B;

  /* Brand Accents */
  --accent-green: #10B981;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-green-border: rgba(16, 185, 129, 0.35);
  --accent-amber: #FBBF24;
  --accent-amber-bg: rgba(251, 191, 36, 0.15);
  --accent-blue: #60A5FA;
  --accent-blue-bg: rgba(96, 165, 250, 0.15);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.7);
  --shadow-circle: 0 24px 70px rgba(0, 0, 0, 0.95), 0 0 50px rgba(16, 185, 129, 0.25);
}