/* ============================================
   AI KITA — Design Tokens (The Rundown AI style)
   ai.techkita.my — redesigned 1 Sep 2026
   ============================================ */

:root {
  /* ── Colors (light — ala The Rundown AI) ── */
  --color-bg-primary: #ffffff;      /* paper */
  --color-bg-secondary: #f5f5f5;    /* mist */
  --color-bg-tertiary: #fafafa;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #ffffff;
  --color-bg-elevated: #ffffff;

  --color-text-primary: #171717;    /* ink */
  --color-text-secondary: #3b3b3b;
  --color-text-muted: #6b7280;
  --color-text-inverse: #ffffff;

  /* Accent — The Rundown blue */
  --color-accent: #255bee;
  --color-accent-hover: #1e4bd0;
  --color-accent-light: #4d7df0;
  --color-accent-subtle: rgba(37, 91, 238, 0.08);
  --color-accent-border: rgba(37, 91, 238, 0.22);

  --color-border: #e5e7eb;
  --color-border-hover: #d1d5db;
  --color-border-accent: var(--color-accent-border);

  --color-success: #00c758;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Dark surfaces (hero/footer) */
  --color-ink: #171717;
  --color-ink-soft: #1f1f1f;
  --color-paper-on-ink: #ffffff;

  /* ── Typography ── */
  --font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.15;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;

  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.01em;

  /* ── Spacing ── */
  --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 */

  /* ── Border Radius ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* ── Shadows (light) ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(37, 91, 238, 0.14);
  --shadow-lift: 0 12px 28px rgba(0, 0, 0, 0.1);

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* ── Layout ── */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 68px;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
  --color-bg-primary: #0d0d0d;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #141414;
  --color-bg-card: #1a1a1a;
  --color-bg-card-hover: #222222;
  --color-bg-elevated: #1f1f1f;

  --color-text-primary: #f0f0f0;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #777777;
  --color-text-inverse: #0d0d0d;

  --color-accent: #5b8def;
  --color-accent-hover: #7aa3f5;
  --color-accent-light: #8ab4ff;
  --color-accent-subtle: rgba(91, 141, 239, 0.12);
  --color-accent-border: rgba(91, 141, 239, 0.25);

  --color-border: #2a2a2a;
  --color-border-hover: #3a3a3a;
  --color-border-accent: var(--color-accent-border);

  --color-ink: #0d0d0d;
  --color-ink-soft: #1a1a1a;
  --color-paper-on-ink: #f0f0f0;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(91, 141, 239, 0.15);
  --shadow-lift: 0 12px 28px rgba(0, 0, 0, 0.4);
}