/* LawOS Japanese Minimalism - CSS Variables */

:root {
    /* ===== COLORS ===== */

    /* Washi paper backgrounds */
    --color-bg: #faf8f5;
    --color-bg-alt: #f5f2ed;
    --color-bg-warm: #f8f5f0;

    /* Sumi ink text */
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #6b6b6b;
    --color-text-dim: #9a9a9a;

    /* Vermillion accent (朱色) */
    --color-accent: #c73e3a;
    --color-accent-light: #d45d5a;
    --color-accent-dim: rgba(199, 62, 58, 0.15);

    /* Indigo secondary (藍色) */
    --color-indigo: #264653;
    --color-indigo-light: #3d6b7d;

    /* Ink wash borders */
    --color-border: #d4d0c8;
    --color-border-light: #e8e4dc;

    /* Status */
    --color-success: #2d6a4f;
    --color-error: #c73e3a;

    /* ===== TYPOGRAPHY ===== */
    --font-serif: 'Cormorant Garamond', 'Georgia', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    --text-7xl: 6rem;

    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;

    --leading-tight: 1.1;
    --leading-snug: 1.3;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;

    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;

    /* ===== SPACING ===== */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-40: 10rem;

    /* ===== LAYOUT ===== */
    --max-width: 1000px;
    --max-width-narrow: 700px;
    --nav-height: 80px;

    /* ===== BORDERS ===== */
    --border-thin: 1px;
    --radius-sm: 2px;
    --radius-md: 4px;

    /* ===== TRANSITIONS ===== */
    --transition-slow: 0.5s ease;
    --transition-base: 0.3s ease;
    --transition-fast: 0.15s ease;

    /* ===== Z-INDEX ===== */
    --z-bg: -1;
    --z-content: 1;
    --z-overlay: 10;
    --z-nav: 100;
}