/* Estilos para páginas de autenticación */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Body y contenedor principal */
.auth-body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.auth-container {
    min-height: 100vh;
    position: relative;
}

/* Panel de información */
.auth-info-panel {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.auth-info-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.auth-info-content {
    position: relative;
    z-index: 2;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Formulario de autenticación */
.auth-form-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    padding: 2rem;
}

.auth-form-header {
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    font-size: 1.1rem;
    margin-bottom: 0;
}

.auth-form {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Campos de formulario */
.form-floating {
    position: relative;
}

.form-floating > .form-control {
    height: 3.5rem;
    padding: 1rem 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-floating > .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

.form-floating > label {
    padding: 1rem 0.75rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Botones */
.btn {
    border-radius: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: var(--shadow-md);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Checkbox personalizado */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid #dee2e6;
    border-radius: 0.375rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Enlaces */
a {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: #0a58ca;
    text-decoration: underline !important;
}

/* Alertas */
.alert {
    border: none;
    border-radius: 0.75rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c2c7 100%);
    color: #721c24;
}

.alert-success {
    background: linear-gradient(135deg, #d1e7dd 0%, #badbcc 100%);
    color: #0f5132;
}

.alert-info {
    background: linear-gradient(135deg, #cff4fc 0%, #b6effb 100%);
    color: #055160;
}

/* Credenciales de demo */
.demo-credentials {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.demo-credentials .card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form-container {
    animation: fadeInUp 0.6s ease-out;
}

.auth-info-content {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* Validación de formularios */
.was-validated .form-control:valid {
    border-color: var(--success-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='m2.3 6.73.94-.94 1.44 1.44L7.5 4.41l.94.94L4.67 9.13z'/%3e%3c/svg%3e");
}

.was-validated .form-control:invalid {
    border-color: var(--danger-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4M7.2 4.6l-1.4 1.4'/%3e%3c/svg%3e");
}

/* Responsive */
@media (max-width: 991.98px) {
    .auth-form-container {
        padding: 1rem;
    }
    
    .auth-form {
        padding: 2rem 1.5rem;
    }
    
    .auth-title {
        font-size: 2rem;
    }
}

@media (max-width: 575.98px) {
    .auth-form {
        padding: 1.5rem 1rem;
        margin: 1rem;
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .form-floating > .form-control {
        height: 3rem;
        padding: 0.875rem 0.75rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Efectos de hover y focus mejorados */
.form-control:hover {
    border-color: #b3d7ff;
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Loading state para botones */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Mejoras de accesibilidad */
.form-control:focus,
.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .auth-form {
        background: #1a1a1a;
        color: #ffffff;
    }
    
    .form-control {
        background-color: #2d2d2d;
        border-color: #404040;
        color: #ffffff;
    }
    
    .form-control:focus {
        background-color: #2d2d2d;
        border-color: var(--primary-color);
        color: #ffffff;
    }
    
    .form-floating > label {
        color: #b3b3b3;
    }
}