/**
 * Authentication CSS
 */

.auth-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 100%;
    padding: 2.5rem;
    animation: slideUp 0.5s ease;
}

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

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

.auth-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.auth-header p {
    color: var(--text-light);
    font-size: 1rem;
}

.auth-form h2 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

.error-message {
    background-color: #fee2e2;
    color: #dc2626;
    padding: 0.875rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid #dc2626;
    font-size: 0.95rem;
}

.success-message {
    background-color: #d1fae5;
    color: #059669;
    padding: 0.875rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid #059669;
    font-size: 0.95rem;
}

.btn-full {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.demo-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: #fef3c7;
    border-radius: 8px;
    border-left: 4px solid var(--warning-color);
    font-size: 0.9rem;
    text-align: center;
}

.demo-info code {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.guest-access {
    text-align: center;
    margin-top: 2rem;
    color: white;
}

.guest-access p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.guest-access .btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.guest-access .btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Loading state */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading::after {
    content: "...";
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60%, 100% { content: "..."; }
}

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
}