/* ============================================================
   AS Apps Developer Portal — CSS Custom Properties
   ============================================================
   Single source of truth for all design tokens.
   Dark theme is default. Light theme overrides via [data-theme="light"].
   ============================================================ */

/* ----------------------------------------------------------
   DARK THEME (Default)
   ---------------------------------------------------------- */
:root {
  /* ── Brand Colors ── */
  --color-primary:        #2563EB;
  --color-primary-hover:  #1D4ED8;
  --color-primary-light:  #3B82F6;
  --color-primary-subtle: rgba(37, 99, 235, 0.12);
  --color-primary-glow:   rgba(37, 99, 235, 0.25);

  --color-secondary:        #06B6D4;
  --color-secondary-hover:  #0891B2;
  --color-secondary-light:  #22D3EE;
  --color-secondary-subtle: rgba(6, 182, 212, 0.12);

  --color-accent:        #14B8A6;
  --color-accent-hover:  #0D9488;
  --color-accent-light:  #2DD4BF;
  --color-accent-subtle: rgba(20, 184, 166, 0.12);

  /* ── Backgrounds ── */
  --color-bg:           #0F172A;
  --color-bg-alt:       #0B1120;
  --color-surface:      #111827;
  --color-surface-alt:  #1E293B;
  --color-surface-hover:#1E293B;
  --color-elevated:     #1E293B;
  --color-overlay:      rgba(15, 23, 42, 0.8);

  /* ── Text ── */
  --color-text:          #F1F5F9;
  --color-text-secondary:#94A3B8;
  --color-text-tertiary: #64748B;
  --color-text-inverse:  #0F172A;
  --color-text-link:     #60A5FA;
  --color-text-link-hover:#93C5FD;

  /* ── Borders ── */
  --color-border:        rgba(148, 163, 184, 0.12);
  --color-border-hover:  rgba(148, 163, 184, 0.25);
  --color-border-focus:  var(--color-primary);

  /* ── Status ── */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error:   #EF4444;
  --color-info:    #3B82F6;

  /* ── Gradients ── */
  --gradient-primary:   linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-accent:    linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  --gradient-hero:      linear-gradient(135deg, #0F172A 0%, #1a1a3e 25%, #0F172A 50%, #0d2137 75%, #0F172A 100%);
  --gradient-card:      linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
  --gradient-border:    linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  --gradient-glow:      radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(37, 99, 235, 0.06), transparent 40%);
  --gradient-text:      linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 50%, var(--color-accent-light) 100%);

  /* ── Aurora Background ── */
  --aurora-1: rgba(37, 99, 235, 0.15);
  --aurora-2: rgba(6, 182, 212, 0.10);
  --aurora-3: rgba(20, 184, 166, 0.08);

  /* ── Glass ── */
  --glass-bg:      rgba(17, 24, 39, 0.60);
  --glass-border:  rgba(148, 163, 184, 0.10);
  --glass-blur:    20px;
  --glass-bg-nav:  rgba(15, 23, 42, 0.72);

  /* ── Typography Scale ── */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-lg:    1.125rem;   /* 18px */
  --text-xl:    1.25rem;    /* 20px */
  --text-2xl:   1.5rem;     /* 24px */
  --text-3xl:   1.875rem;   /* 30px */
  --text-4xl:   2.25rem;    /* 36px */
  --text-5xl:   3rem;       /* 48px */
  --text-6xl:   3.75rem;    /* 60px */
  --text-7xl:   4.5rem;     /* 72px */

  /* ── Line Heights ── */
  --leading-none:    1;
  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;
  --leading-loose:   2;

  /* ── Font Weights ── */
  --font-light:    300;
  --font-regular:  400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;

  /* ── Letter Spacing ── */
  --tracking-tighter: -0.05em;
  --tracking-tight:   -0.025em;
  --tracking-normal:   0;
  --tracking-wide:     0.025em;
  --tracking-wider:    0.05em;
  --tracking-widest:   0.1em;

  /* ── Spacing Scale ── */
  --space-0:   0;
  --space-1:   0.25rem;    /* 4px */
  --space-2:   0.5rem;     /* 8px */
  --space-3:   0.75rem;    /* 12px */
  --space-4:   1rem;       /* 16px */
  --space-5:   1.25rem;    /* 20px */
  --space-6:   1.5rem;     /* 24px */
  --space-8:   2rem;       /* 32px */
  --space-10:  2.5rem;     /* 40px */
  --space-12:  3rem;       /* 48px */
  --space-16:  4rem;       /* 64px */
  --space-20:  5rem;       /* 80px */
  --space-24:  6rem;       /* 96px */
  --space-32:  8rem;       /* 128px */
  --space-40:  10rem;      /* 160px */
  --space-48:  12rem;      /* 192px */
  --space-64:  16rem;      /* 256px */
  --space-80:  20rem;      /* 320px */
  --space-96:  24rem;      /* 384px */

  /* ── Border Radius ── */
  --radius-sm:    0.375rem;   /* 6px */
  --radius-md:    0.5rem;     /* 8px */
  --radius-lg:    0.75rem;    /* 12px */
  --radius-xl:    1rem;       /* 16px */
  --radius-2xl:   1.5rem;     /* 24px */
  --radius-full:  9999px;

  /* ── Shadows ── */
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md:   0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg:   0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl:   0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-2xl:  0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3), 0 0 60px rgba(37, 99, 235, 0.1);
  --shadow-inner:inset 0 2px 4px 0 rgba(0, 0, 0, 0.3);

  /* ── Transitions ── */
  --transition-fast:    150ms ease;
  --transition-base:    250ms ease;
  --transition-slow:    350ms ease;
  --transition-slower:  500ms ease;
  --transition-spring:  500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Z-Index Layers ── */
  --z-behind:     -1;
  --z-base:        0;
  --z-dropdown:    10;
  --z-sticky:      20;
  --z-overlay:     30;
  --z-modal:       40;
  --z-popover:     50;
  --z-toast:       60;
  --z-max:         9999;

  /* ── Layout & Header ── */
  --header-height:  80px;

  /* ── Container Widths ── */
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:   1024px;
  --container-xl:   1280px;
  --container-2xl:  1440px;
  --container-max:  1600px;

  /* ── Breakpoints (reference only — use in media queries) ── */
  /* 320px  — Mobile S */
  /* 375px  — Mobile M */
  /* 768px  — Tablet */
  /* 1024px — Desktop S */
  /* 1280px — Desktop M */
  /* 1440px — Desktop L */
  /* 2560px — 4K */
}

/* ----------------------------------------------------------
   LIGHT THEME
   ---------------------------------------------------------- */
[data-theme="light"] {
  /* ── Backgrounds ── */
  --color-bg:           #FFFFFF;
  --color-bg-alt:       #F8FAFC;
  --color-surface:      #F1F5F9;
  --color-surface-alt:  #E2E8F0;
  --color-surface-hover:#E2E8F0;
  --color-elevated:     #FFFFFF;
  --color-overlay:      rgba(255, 255, 255, 0.8);

  /* ── Text ── */
  --color-text:          #0F172A;
  --color-text-secondary:#475569;
  --color-text-tertiary: #64748B;
  --color-text-inverse:  #F1F5F9;
  --color-text-link:     #2563EB;
  --color-text-link-hover:#1D4ED8;

  /* ── Borders ── */
  --color-border:        rgba(15, 23, 42, 0.08);
  --color-border-hover:  rgba(15, 23, 42, 0.15);

  /* ── Gradients ── */
  --gradient-hero:   linear-gradient(135deg, #FFFFFF 0%, #EEF2FF 25%, #FFFFFF 50%, #F0F9FF 75%, #FFFFFF 100%);
  --gradient-card:   linear-gradient(135deg, rgba(37, 99, 235, 0.04) 0%, rgba(6, 182, 212, 0.04) 100%);
  --gradient-glow:   radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(37, 99, 235, 0.04), transparent 40%);

  /* ── Aurora ── */
  --aurora-1: rgba(37, 99, 235, 0.08);
  --aurora-2: rgba(6, 182, 212, 0.06);
  --aurora-3: rgba(20, 184, 166, 0.04);

  /* ── Glass ── */
  --glass-bg:      rgba(255, 255, 255, 0.70);
  --glass-border:  rgba(15, 23, 42, 0.06);
  --glass-bg-nav:  rgba(255, 255, 255, 0.80);

  /* ── Shadows ── */
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md:   0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg:   0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl:   0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl:  0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15), 0 0 60px rgba(37, 99, 235, 0.05);
  --shadow-inner:inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
}