/* ===================================================================
   MÓDULO DE REGISTRO Y VERIFICACIÓN DE USUARIOS - EEA
   Diseño UI/UX Corporativo
   Paleta: Azul Institucional / Celeste / Blanco
   Estilo: Ejecutivo, Moderno, Minimalista
   =================================================================== */

:root {
    --azul-institucional: #003D82;
    --azul-oscuro: #002454;
    --celeste: #40A9E3;
    --celeste-claro: #87CEEB;
    --blanco: #FFFFFF;
    --gris-claro: #F5F7FA;
    --gris-medio: #E1E8ED;
    --gris-texto: #657786;
    --sombra-suave: 0 2px 8px rgba(0, 61, 130, 0.1);
    --sombra-media: 0 4px 12px rgba(0, 61, 130, 0.15);
    --sombra-fuerte: 0 8px 24px rgba(0, 61, 130, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.auth-page {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--celeste-claro) 0%, var(--azul-institucional) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Contenedor Principal */
.auth-container {
    background: var(--blanco);
    border-radius: 16px;
    box-shadow: var(--sombra-fuerte);
    overflow: hidden;
    max-width: 500px;
    width: 100%;
    animation: fadeInScale 0.5s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Header Institucional */
.auth-header {
    background: linear-gradient(135deg, var(--azul-institucional) 0%, var(--azul-oscuro) 100%);
    padding: 40px 30px;
    text-align: center;
    position: relative;
}

.auth-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--celeste) 0%, var(--azul-institucional) 100%);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--blanco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sombra-media);
}

.auth-logo i {
    font-size: 40px;
    color: var(--azul-institucional);
}

.auth-title {
    color: var(--blanco);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    color: var(--celeste-claro);
    font-size: 14px;
    font-weight: 400;
}

/* Contenido del Formulario */
.auth-content {
    padding: 40px 30px;
}

.auth-description {
    text-align: center;
    color: var(--gris-texto);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 30px;
    padding: 0 10px;
}

/* Grupos de Formulario */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: flex;
    align-items: center;
    color: var(--azul-institucional);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-label i {
    margin-right: 8px;
    color: var(--celeste);
    font-size: 16px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gris-medio);
    border-radius: 10px;
    font-size: 15px;
    color: var(--azul-oscuro);
    transition: all 0.3s ease;
    background: var(--gris-claro);
}

.form-control:focus {
    outline: none;
    border-color: var(--celeste);
    background: var(--blanco);
    box-shadow: 0 0 0 4px rgba(64, 169, 227, 0.1);
}

.form-control::placeholder {
    color: #B0BBC5;
}

/* Input con Icono */
.input-with-icon {
    position: relative;
}

.input-with-icon .form-control {
    padding-right: 45px;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--celeste);
    cursor: pointer;
    font-size: 18px;
    transition: color 0.3s ease;
}

.input-icon:hover {
    color: var(--azul-institucional);
}

/* Botones */
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
    text-decoration: none;
    box-shadow: var(--sombra-suave);
}

.btn-primary {
    background: linear-gradient(135deg, var(--azul-institucional) 0%, var(--azul-oscuro) 100%);
    color: var(--blanco);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-claro) 100%);
    color: var(--blanco);
    width: 100%;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-link {
    background: transparent;
    color: var(--celeste);
    padding: 10px;
    box-shadow: none;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--azul-institucional);
    text-decoration: underline;
}

/* Checkbox Personalizado */
.custom-checkbox {
    display: flex;
    align-items: flex-start;
    margin: 20px 0;
    cursor: pointer;
}

.custom-checkbox input[type="checkbox"] {
    margin-right: 12px;
    margin-top: 3px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--azul-institucional);
}

.custom-checkbox label {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gris-texto);
    cursor: pointer;
}

.custom-checkbox label strong {
    color: var(--azul-institucional);
}

/* Mensajes y Alertas */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    animation: slideInDown 0.3s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert i {
    margin-right: 10px;
    font-size: 18px;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border-left: 4px solid #4CAF50;
}

.alert-error {
    background: #FFEBEE;
    color: #C62828;
    border-left: 4px solid #F44336;
}

.alert-warning {
    background: #FFF3E0;
    color: #EF6C00;
    border-left: 4px solid #FF9800;
}

.alert-info {
    background: #E3F2FD;
    color: var(--azul-institucional);
    border-left: 4px solid var(--celeste);
}

/* Card Informativa */
.info-card {
    background: var(--gris-claro);
    border: 2px solid var(--gris-medio);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.info-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.info-card-header i {
    font-size: 24px;
    color: var(--azul-institucional);
    margin-right: 12px;
}

.info-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--azul-institucional);
}

.info-card-content {
    font-size: 13px;
    line-height: 1.6;
    color: var(--gris-texto);
}

/* Código de Verificación */
.codigo-input {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 8px;
    padding: 20px;
    font-family: 'Courier New', monospace;
}

.codigo-display {
    background: var(--azul-institucional);
    color: var(--blanco);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 8px;
    font-family: 'Courier New', monospace;
    margin: 20px 0;
    box-shadow: var(--sombra-media);
}

/* Icono de Seguridad */
.security-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--celeste) 0%, var(--azul-institucional) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--sombra-media);
}

.security-icon i {
    font-size: 40px;
    color: var(--blanco);
}

/* Divisor */
.divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gris-medio);
}

.divider span {
    background: var(--blanco);
    padding: 0 15px;
    position: relative;
    color: var(--gris-texto);
    font-size: 13px;
}

/* Footer */
.auth-footer {
    text-align: center;
    padding: 20px 30px;
    border-top: 1px solid var(--gris-medio);
    background: var(--gris-claro);
}

.auth-footer-text {
    font-size: 13px;
    color: var(--gris-texto);
    margin-bottom: 8px;
}

.auth-footer-link {
    color: var(--celeste);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer-link:hover {
    color: var(--azul-institucional);
    text-decoration: underline;
}

/* Banner Institucional */
.banner-institucional {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--azul-institucional) 0%, var(--celeste) 100%);
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.banner-institucional::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.banner-content {
    text-align: center;
    z-index: 1;
}

.banner-icon {
    font-size: 48px;
    color: var(--blanco);
    margin-bottom: 10px;
}

.banner-text {
    color: var(--blanco);
    font-size: 18px;
    font-weight: 600;
}

/* Grid de Acciones */
.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}

.action-card {
    background: var(--gris-claro);
    border: 2px solid var(--gris-medio);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-card:hover {
    border-color: var(--celeste);
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.action-card i {
    font-size: 32px;
    color: var(--azul-institucional);
    margin-bottom: 10px;
}

.action-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--azul-institucional);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gris-medio);
    border-top: 3px solid var(--celeste);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 600px) {
    .auth-container {
        border-radius: 0;
        max-width: 100%;
    }
    
    .auth-header {
        padding: 30px 20px;
    }
    
    .auth-content {
        padding: 30px 20px;
    }
    
    .auth-title {
        font-size: 20px;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
}

/* Animaciones de Entrada */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}