/* SahamKu — Design Tokens & Theme Variables */

:root {
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SF Mono', monospace;

  /* Font Sizes */
  --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 */

  /* 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 */

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --header-height: 64px;

  /* Light Theme (Default) */
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-elevated: #ffffff;
  --color-surface-hover: #f1f3f4;
  --color-border: #dadce0;
  --color-border-subtle: #e8eaed;

  --color-text-primary: #202124;
  --color-text-secondary: #5f6368;
  --color-text-tertiary: #80868b;
  --color-text-inverse: #ffffff;

  --color-primary: #1a73e8;
  --color-primary-hover: #1765cc;
  --color-primary-light: #e8f0fe;

  --color-up: #137333;           /* Indonesian Market Green */
  --color-up-bg: #e6f4ea;
  --color-down: #c5221f;         /* Indonesian Market Red */
  --color-down-bg: #fce8e6;
  --color-neutral: #5f6368;
  --color-neutral-bg: #f1f3f4;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;

  /* Z-Index Hierarchy */
  --z-base: 1;
  --z-sticky: 50;
  --z-modal: 100;
  --z-popover: 150;
  --z-toast: 200;

  --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* System Dark Theme (when no explicit theme preference is set) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #131416;
    --color-surface: #1e1f23;
    --color-surface-elevated: #282a2e;
    --color-surface-hover: #32353b;
    --color-border: #33363b;
    --color-border-subtle: #25282c;

    --color-text-primary: #e8eaed;
    --color-text-secondary: #9aa0a6;
    --color-text-tertiary: #5f6368;
    --color-text-inverse: #131416;

    --color-primary: #8ab4f8;
    --color-primary-hover: #aecbfa;
    --color-primary-light: rgba(138, 180, 248, 0.12);

    --color-up: #81c995;
    --color-up-bg: rgba(129, 201, 149, 0.12);
    --color-down: #f28b82;
    --color-down-bg: rgba(242, 139, 130, 0.12);
    --color-neutral: #9aa0a6;
    --color-neutral-bg: #292a2d;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 20px -3px rgba(0, 0, 0, 0.6);
  }
}

/* Explicit Dark Theme (forced via user toggle or data-theme="dark") */
[data-theme="dark"] {
  --color-bg: #131416;
  --color-surface: #1e1f23;
  --color-surface-elevated: #282a2e;
  --color-surface-hover: #32353b;
  --color-border: #33363b;
  --color-border-subtle: #25282c;

  --color-text-primary: #e8eaed;
  --color-text-secondary: #9aa0a6;
  --color-text-tertiary: #5f6368;
  --color-text-inverse: #131416;

  --color-primary: #8ab4f8;
  --color-primary-hover: #aecbfa;
  --color-primary-light: rgba(138, 180, 248, 0.12);

  --color-up: #81c995;
  --color-up-bg: rgba(129, 201, 149, 0.12);
  --color-down: #f28b82;
  --color-down-bg: rgba(242, 139, 130, 0.12);
  --color-neutral: #9aa0a6;
  --color-neutral-bg: #292a2d;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 20px -3px rgba(0, 0, 0, 0.6);
}