/* =========================================================================
   LAMTEC Pharma - Design Tokens
   Toutes les couleurs, espacements, rayons, ombres et typographies.
   Un seul point de configuration pour l'ensemble de l'application.
   ========================================================================= */

:root {
    /* ---- Palette primaire (vert pharma) ---- */
    --color-primary-50:  #ecfdf5;
    --color-primary-100: #d1fae5;
    --color-primary-200: #a7f3d0;
    --color-primary-300: #6ee7b7;
    --color-primary-400: #34d399;
    --color-primary-500: #10b981;
    --color-primary-600: #059669;
    --color-primary-700: #047857;
    --color-primary-800: #065f46;
    --color-primary-900: #064e3b;

    /* ---- Palette accent (bleu digital) ---- */
    --color-accent-500: #3b82f6;
    --color-accent-600: #2563eb;
    --color-accent-700: #1d4ed8;

    /* ---- Neutres ---- */
    --color-gray-0:   #ffffff;
    --color-gray-50:  #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-gray-950: #030712;

    /* ---- Semantique ---- */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-danger:  #ef4444;
    --color-danger-bg: #fee2e2;
    --color-info:    #3b82f6;
    --color-info-bg: #dbeafe;

    /* ---- Espacements (echelle 4px) ---- */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* ---- Rayons ---- */
    --radius-sm:  0.25rem;
    --radius:     0.5rem;
    --radius-md:  0.625rem;
    --radius-lg:  0.75rem;
    --radius-xl:  1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* ---- Typographies ---- */
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;

    /* ---- Echelle typographique ---- */
    --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;

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

    /* ---- Line heights ---- */
    --leading-tight:   1.25;
    --leading-snug:    1.375;
    --leading-normal:  1.5;
    --leading-relaxed: 1.625;

    /* ---- Transitions ---- */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition:      200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* ---- Z-index ---- */
    --z-base:     1;
    --z-dropdown: 1000;
    --z-sticky:   1020;
    --z-fixed:    1030;
    --z-modal:    1040;
    --z-popover:  1060;
    --z-tooltip:  1070;
    --z-toast:    1080;

    /* ==================== THEME CLAIR (par defaut) ==================== */
    --bg-body:      #f8fafc;
    --bg-surface:   #ffffff;
    --bg-elevated:  #ffffff;
    --bg-muted:     var(--color-gray-50);
    --bg-hover:     var(--color-gray-100);

    --text-primary:   var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    --text-muted:     var(--color-gray-500);
    --text-inverse:   var(--color-gray-0);

    --border:        var(--color-gray-200);
    --border-strong: var(--color-gray-300);
    --border-focus:  var(--color-primary-500);

    --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow:     0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    --ring:       0 0 0 3px rgba(16, 185, 129, 0.2);
    --ring-danger:0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* ==================== THEME SOMBRE ==================== */
[data-theme="dark"] {
    --bg-body:      #0b1220;
    --bg-surface:   #111a30;
    --bg-elevated:  #1a2540;
    --bg-muted:     #1e293b;
    --bg-hover:     #253451;

    --text-primary:   #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted:     #94a3b8;
    --text-inverse:   var(--color-gray-900);

    --border:        #1e293b;
    --border-strong: #334155;
    --border-focus:  var(--color-primary-400);

    --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow:     0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);

    --ring:        0 0 0 3px rgba(52, 211, 153, 0.3);
    --ring-danger: 0 0 0 3px rgba(248, 113, 113, 0.3);
}

/* Respecte la preference systeme si aucun theme n'est force */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-body:      #0b1220;
        --bg-surface:   #111a30;
        --bg-elevated:  #1a2540;
        --bg-muted:     #1e293b;
        --bg-hover:     #253451;
        --text-primary:   #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted:     #94a3b8;
        --text-inverse:   var(--color-gray-900);
        --border:        #1e293b;
        --border-strong: #334155;
        --border-focus:  var(--color-primary-400);
        --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.4);
        --shadow:     0 1px 3px 0 rgba(0, 0, 0, 0.5);
        --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.5);
        --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.6);
        --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.7);
        --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
        --ring:        0 0 0 3px rgba(52, 211, 153, 0.3);
        --ring-danger: 0 0 0 3px rgba(248, 113, 113, 0.3);
    }
}