/* =====================================================================
   TaskBoard — Sistema de diseño: tokens de color, tipografía y espaciado
   ===================================================================== */

:root {
    /* Marca */
    --color-primary: #5B8DEF;
    --color-primary-hover: #4A7BDB;
    --color-primary-light: #EAF0FE;

    /* Prioridades */
    --priority-low: #4CAF9E;
    --priority-medium: #F0A73C;
    --priority-high: #F76C6C;
    --priority-urgent: #DC2626;

    /* Estado */
    --color-success: #16A34A;
    --color-success-light: #F0FDF4;
    --color-warning: #D97706;
    --color-warning-light: #FFFBEB;
    --color-danger: #DC2626;
    --color-danger-light: #FEF2F2;

    /* Tema claro (por defecto) */
    --bg-app: #F5F7FA;
    --bg-surface: #FFFFFF;
    --bg-surface-alt: #F8FAFC;
    --bg-hover: #F1F5F9;
    --bg-overlay: rgba(15, 23, 42, 0.48);

    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-on-primary: #FFFFFF;

    --border-color: #E2E8F0;
    --border-color-strong: #CBD5E1;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.16);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 999px;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    --transition-fast: 120ms ease;
    --transition-base: 180ms ease;

    --sidebar-width: 240px;
    --topbar-height: 60px;
    --list-width: 280px;
}

[data-theme="dark"] {
    --bg-app: #0F172A;
    --bg-surface: #1E293B;
    --bg-surface-alt: #17233A;
    --bg-hover: #263449;
    --bg-overlay: rgba(0, 0, 0, 0.6);

    --text-primary: #F1F5F9;
    --text-secondary: #B6C2D2;
    --text-muted: #7C8BA1;
    --text-on-primary: #FFFFFF;

    --border-color: #2E3F58;
    --border-color-strong: #3B4E6B;

    --color-primary-light: #1E2C48;
    --color-success-light: #0F2A1B;
    --color-warning-light: #2E2210;
    --color-danger-light: #2E1616;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}