/* Authentication pages styling */

html, body {
    height: 100%;
}

.bg-light {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%) !important;
}

/* Auth container */
.auth-container {
    min-height: 100vh;
}

/* Brand section */
.brand-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.brand-section::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="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.brand-content {
    position: relative;
    z-index: 1;
}

/* Form styling */
.auth-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.auth-form .form-control {
    border-radius: 0.5rem;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.auth-form .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.auth-form .input-group-text {
    border-radius: 0.5rem 0 0 0.5rem;
    border-color: #ced4da;
    background-color: #f8f9fa;
    color: #6c757d;
}

.auth-form .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.auth-form .btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

/* Feature list styling */
.feature-list .feature-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-list .feature-item:last-child {
    border-bottom: none;
}

.feature-list .feature-icon {
    width: 2rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

/* Error styling */
.alert-danger {
    border-left: 4px solid #dc3545;
    background-color: #f8d7da;
    border-color: #f5c6cb;
    border-radius: 0.5rem;
}

/* Links */
a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    color: #5a6fd8;
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    .brand-section {
        display: none !important;
    }
    
    .auth-form {
        padding: 2rem 1rem;
    }
    
    .auth-card {
        margin: 1rem;
    }
}

/* Loading animation */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Form validation */
.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
}