/**
 * THÈME NATURE - Harmonie Organique
 */

:root {
    /**
     * Polices Humanist pour qualité organique
     */
    --font-body: Seravek, 'Gill Sans Nova', Ubuntu, Calibri, 'DejaVu Sans', source-sans-pro, sans-serif;
    --font-heading: 'Iowan Old Style', 'Palatino Linotype', 'URW Palladio L', P052, serif;
    --font-mono: ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;

    /**
     * Vert forêt profond
     * OKLCH: 52% luminosité, 0.16 chroma, 160° teinte
     */
    --color-primary: oklch(52% 0.16 160);
    --color-primary-light: oklch(65% 0.16 160);
    --color-primary-dark: oklch(40% 0.16 160);
    --color-primary-subtle: oklch(95% 0.03 160);

    /**
     * Vert lime lumineux
     */
    --color-secondary: oklch(75% 0.18 120);
    --color-secondary-light: oklch(82% 0.18 120);
    --color-secondary-dark: oklch(65% 0.18 120);

    /**
     * Crèmes avec sous-ton vert
     */
    --color-background: oklch(97% 0.01 110);
    --color-surface: oklch(95% 0.015 110);
    --color-surface-elevated: oklch(100% 0 0);
    --color-surface-hover: oklch(93% 0.02 110);

    /**
     * Bruns terreux
     */
    --color-text: oklch(28% 0.03 60);
    --color-text-muted: oklch(48% 0.03 60);
    --color-text-subtle: oklch(63% 0.02 60);
    --color-text-inverse: oklch(98% 0.005 110);

    --color-success: oklch(58% 0.17 145);
    --color-success-light: oklch(68% 0.17 145);

    --color-warning: oklch(65% 0.16 60);
    --color-warning-light: oklch(75% 0.16 60);

    --color-error: oklch(55% 0.18 25);
    --color-error-light: oklch(65% 0.18 25);

    --color-info: oklch(60% 0.16 200);
    --color-info-light: oklch(70% 0.16 200);

    --color-border: oklch(88% 0.01 110);
    --color-border-hover: oklch(78% 0.015 110);
    --color-border-focus: var(--color-primary);

    --shadow-xs: 0 1px 2px 0 oklch(0% 0.01 160 / 0.08);
    --shadow-sm: 0 1px 3px 0 oklch(0% 0.01 160 / 0.12);
    --shadow-md: 0 4px 6px -1px oklch(0% 0.01 160 / 0.12);
    --shadow-lg: 0 10px 15px -3px oklch(0% 0.01 160 / 0.12);
    --shadow-xl: 0 20px 25px -5px oklch(0% 0.01 160 / 0.12);

    --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: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

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

    --line-height-tight: 1.3;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    --border-width: 1px;
    --border-width-thick: 2px;

    --transition-fast: 200ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 400ms ease-in-out;

    --max-width-prose: 65ch;
    --max-width-container: 1280px;
    --max-width-narrow: 768px;
    --max-width-wide: 1536px;
}