/**
 * Variables CSS personalizadas para Bootstrap 5
 * Configuración específica para el formulario de registro
 */

:root {
    /* =====================================
       COLORES PRINCIPALES (Bootstrap 5)
       ===================================== */

    /* Primary Colors */
    --bs-primary: #0d6efd;
    --bs-primary-rgb: 13, 110, 253;
    --bs-primary-dark: #0056b3;

    /* Secondary Colors */
    --bs-secondary: #6c757d;
    --bs-secondary-rgb: 108, 117, 125;

    /* Success Colors */
    --bs-success: #198754;
    --bs-success-rgb: 25, 135, 84;
    --bs-success-dark: #146c43;

    /* Info Colors */
    --bs-info: #0dcaf0;
    --bs-info-rgb: 13, 202, 240;
    --bs-info-text: #055160;

    /* Warning Colors */
    --bs-warning: #ffc107;
    --bs-warning-rgb: 255, 193, 7;

    /* Danger Colors */
    --bs-danger: #dc3545;
    --bs-danger-rgb: 220, 53, 69;

    /* Light Colors */
    --bs-light: #f8f9fa;
    --bs-light-rgb: 248, 249, 250;

    /* Dark Colors */
    --bs-dark: #212529;
    --bs-dark-rgb: 33, 37, 41;

    /* =====================================
       GRAYS (Bootstrap 5)
       ===================================== */

    --bs-gray-50: #f8f9fa;
    --bs-gray-100: #f1f3f4;
    --bs-gray-200: #e9ecef;
    --bs-gray-300: #dee2e6;
    --bs-gray-400: #ced4da;
    --bs-gray-500: #adb5bd;
    --bs-gray-600: #6c757d;
    --bs-gray-600-rgb: 108, 117, 125;
    --bs-gray-700: #495057;
    --bs-gray-800: #343a40;
    --bs-gray-900: #212529;

    /* =====================================
       BORDES Y RADIOS
       ===================================== */

    --bs-border-color: var(--bs-gray-300);
    --bs-border-color-translucent: rgba(0, 0, 0, 0.175);
    --bs-border-radius: 0.375rem;
    --bs-border-radius-sm: 0.25rem;
    --bs-border-radius-lg: 0.5rem;
    --bs-border-radius-xl: 1rem;
    --bs-border-radius-2xl: 2rem;

    /* =====================================
       FUENTES Y TIPOGRAFÍA
       ===================================== */

    --bs-font-family-sans-serif: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
    --bs-font-family-monospace: 'Inter', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* =====================================
       SHADOWS (Bootstrap 5)
       ===================================== */

    --bs-box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --bs-box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --bs-box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --bs-box-shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.075);

    /* =====================================
       TRANSITIONS
       ===================================== */

    --bs-transition: all 0.3s ease;
    --bs-transition-fast: all 0.15s ease;
    --bs-transition-slow: all 0.5s ease;

    /* =====================================
       Z-INDEX (Bootstrap 5)
       ===================================== */

    --bs-zindex-dropdown: 1000;
    --bs-zindex-sticky: 1020;
    --bs-zindex-fixed: 1030;
    --bs-zindex-offcanvas-backdrop: 1040;
    --bs-zindex-offcanvas: 1045;
    --bs-zindex-modal-backdrop: 1050;
    --bs-zindex-modal: 1055;
    --bs-zindex-popover: 1070;
    --bs-zindex-tooltip: 1080;

    /* =====================================
       VARIABLES PERSONALIZADAS DEL PROYECTO
       ===================================== */

    /* Gradientes personalizados */
    --gradient-primary: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    --gradient-success: linear-gradient(135deg, var(--bs-success) 0%, var(--bs-success-dark) 100%);
    --gradient-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Sombras personalizadas */
    --shadow-primary: 0 4px 15px rgba(var(--bs-primary-rgb), 0.3);
    --shadow-primary-hover: 0 6px 20px rgba(var(--bs-primary-rgb), 0.4);
    --shadow-success: 0 8px 25px rgba(var(--bs-success-rgb), 0.3);

    /* Espaciado personalizado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
}

/* =====================================
   MODO OSCURO (Bootstrap 5)
   ===================================== */

[data-bs-theme="dark"] {
    --bs-body-color: #dee2e6;
    --bs-body-bg: #212529;
    --bs-emphasis-color: #ffffff;
    --bs-secondary-color: #6c757d;
    --bs-tertiary-color: #495057;
    --bs-border-color: #495057;
    --bs-border-color-translucent: rgba(255, 255, 255, 0.15);
    --bs-form-valid-color: #75b798;
    --bs-form-invalid-color: #f87171;
}

/* =====================================
   UTILIDADES ADICIONALES
   ===================================== */

/* Clases de utilidad para gradientes */
.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-success {
    background: var(--gradient-success) !important;
}

/* Clases de utilidad para sombras */
.shadow-primary {
    box-shadow: var(--shadow-primary) !important;
}

.shadow-primary-hover:hover {
    box-shadow: var(--shadow-primary-hover) !important;
}

.shadow-success {
    box-shadow: var(--shadow-success) !important;
}

/* Animaciones suaves */
.smooth-transition {
    transition: var(--bs-transition) !important;
}

.smooth-transition-fast {
    transition: var(--bs-transition-fast) !important;
}

.smooth-transition-slow {
    transition: var(--bs-transition-slow) !important;
}

/* =====================================
   MEJORAS DE FORMULARIOS (Bootstrap 5)
   ===================================== */

.form-floating>.form-control:focus~label,
.form-floating>.form-control:not(:placeholder-shown)~label,
.form-floating>.form-select:focus~label,
.form-floating>.form-select:not([value=""])~label {
    color: var(--bs-primary);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

.form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

/* =====================================
   RESPONSIVE UTILITIES
   ===================================== */

@media (prefers-reduced-motion: reduce) {
    :root {
        --bs-transition: none;
        --bs-transition-fast: none;
        --bs-transition-slow: none;
    }
}

@media (prefers-contrast: high) {
    :root {
        --bs-border-color: #000000;
    }

    [data-bs-theme="dark"] {
        --bs-border-color: #ffffff;
    }
}