/* ============================================================
   ULTRON UI
   Variables globales del sistema
   ============================================================ */

:root {
    /* --------------------------------------------------------
       Colores principales
       -------------------------------------------------------- */

    --ultron-primary: #2563eb;
    --ultron-primary-hover: #1d4ed8;
    --ultron-primary-active: #1e40af;
    --ultron-primary-soft: #eff6ff;
    --ultron-primary-border: #bfdbfe;

    --ultron-secondary: #64748b;
    --ultron-secondary-hover: #475569;
    --ultron-secondary-soft: #f1f5f9;

    --ultron-success: #16a34a;
    --ultron-success-hover: #15803d;
    --ultron-success-soft: #f0fdf4;
    --ultron-success-border: #bbf7d0;

    --ultron-warning: #d97706;
    --ultron-warning-hover: #b45309;
    --ultron-warning-soft: #fffbeb;
    --ultron-warning-border: #fde68a;

    --ultron-danger: #dc2626;
    --ultron-danger-hover: #b91c1c;
    --ultron-danger-soft: #fef2f2;
    --ultron-danger-border: #fecaca;

    --ultron-info: #0284c7;
    --ultron-info-hover: #0369a1;
    --ultron-info-soft: #f0f9ff;
    --ultron-info-border: #bae6fd;

    /* --------------------------------------------------------
       Texto
       -------------------------------------------------------- */

    --ultron-text: #334155;
    --ultron-text-strong: #0f172a;
    --ultron-text-muted: #64748b;
    --ultron-text-light: #94a3b8;
    --ultron-text-disabled: #a8b1bf;
    --ultron-text-inverse: #ffffff;

    /* --------------------------------------------------------
       Fondos
       -------------------------------------------------------- */

    --ultron-background: #f8fafc;
    --ultron-surface: #ffffff;
    --ultron-surface-secondary: #f8fafc;
    --ultron-surface-hover: #f1f5f9;
    --ultron-surface-disabled: #f1f5f9;
    --ultron-overlay: rgba(15, 23, 42, 0.45);

    /* --------------------------------------------------------
       Bordes
       -------------------------------------------------------- */

    --ultron-border: #e2e8f0;
    --ultron-border-strong: #cbd5e1;
    --ultron-border-focus: #2563eb;
    --ultron-border-disabled: #e2e8f0;

    /* --------------------------------------------------------
       Tipografía
       -------------------------------------------------------- */

    --ultron-font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --ultron-font-size-xs: 0.68rem;
    --ultron-font-size-sm: 0.75rem;
    --ultron-font-size-md: 0.82rem;
    --ultron-font-size-lg: 0.95rem;
    --ultron-font-size-xl: 1.1rem;
    --ultron-font-size-2xl: 1.35rem;

    --ultron-font-weight-normal: 400;
    --ultron-font-weight-medium: 500;
    --ultron-font-weight-semibold: 600;
    --ultron-font-weight-bold: 700;
    --ultron-font-weight-extrabold: 800;

    --ultron-line-height-sm: 1.3;
    --ultron-line-height-md: 1.5;
    --ultron-line-height-lg: 1.7;

    /* --------------------------------------------------------
       Espaciado
       -------------------------------------------------------- */

    --ultron-space-1: 0.25rem;
    --ultron-space-2: 0.5rem;
    --ultron-space-3: 0.75rem;
    --ultron-space-4: 1rem;
    --ultron-space-5: 1.25rem;
    --ultron-space-6: 1.5rem;
    --ultron-space-8: 2rem;
    --ultron-space-10: 2.5rem;
    --ultron-space-12: 3rem;

    /* --------------------------------------------------------
       Bordes redondeados
       -------------------------------------------------------- */

    --ultron-radius-xs: 4px;
    --ultron-radius-sm: 6px;
    --ultron-radius-md: 9px;
    --ultron-radius-lg: 12px;
    --ultron-radius-xl: 16px;
    --ultron-radius-pill: 999px;

    /* --------------------------------------------------------
       Sombras
       -------------------------------------------------------- */

    --ultron-shadow-xs:
        0 1px 2px rgba(15, 23, 42, 0.04);

    --ultron-shadow-sm:
        0 2px 6px rgba(15, 23, 42, 0.06);

    --ultron-shadow-md:
        0 8px 24px rgba(15, 23, 42, 0.08);

    --ultron-shadow-lg:
        0 18px 45px rgba(15, 23, 42, 0.12);

    --ultron-shadow-modal:
        0 24px 65px rgba(15, 23, 42, 0.2);

    --ultron-shadow-focus:
        0 0 0 3px rgba(37, 99, 235, 0.12);

    /* --------------------------------------------------------
       Formularios
       -------------------------------------------------------- */

    --ultron-input-height: 44px;
    --ultron-input-height-sm: 38px;
    --ultron-input-height-lg: 50px;

    --ultron-input-padding-x: 0.95rem;
    --ultron-input-padding-top: 1.08rem;
    --ultron-input-padding-bottom: 0.34rem;

    --ultron-input-background: #ffffff;
    --ultron-input-border: #cbd5e1;
    --ultron-input-border-hover: #94a3b8;
    --ultron-input-border-focus: #2563eb;

    --ultron-input-placeholder: #94a3b8;
    --ultron-input-disabled-background: #f1f5f9;
    --ultron-input-disabled-text: #94a3b8;

    /* --------------------------------------------------------
       Botones
       -------------------------------------------------------- */

    --ultron-button-height: 40px;
    --ultron-button-height-sm: 34px;
    --ultron-button-height-lg: 46px;

    --ultron-button-padding-x: 1rem;
    --ultron-button-gap: 0.45rem;

    /* --------------------------------------------------------
       Tablas
       -------------------------------------------------------- */

    --ultron-table-header-background: #f8fafc;
    --ultron-table-header-text: #64748b;
    --ultron-table-row-hover: #f8fafc;
    --ultron-table-border: #e2e8f0;

    /* --------------------------------------------------------
       Capas
       -------------------------------------------------------- */

    --ultron-z-dropdown: 1000;
    --ultron-z-sticky: 1020;
    --ultron-z-modal-backdrop: 1040;
    --ultron-z-modal: 1050;
    --ultron-z-tooltip: 1080;

    /* --------------------------------------------------------
       Animaciones
       -------------------------------------------------------- */

    --ultron-transition-fast: 120ms ease;
    --ultron-transition-normal: 180ms ease;
    --ultron-transition-slow: 280ms ease;
}