/* Authentication Pages Styles */

.auth-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.auth-page .navbar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.auth-page .nav-logo,
.auth-page .nav-link {
    color: white;
}

.auth-page .nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

.auth-section {
    padding: 120px 0 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Auth Card */
.auth-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 0 auto;
}

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

.auth-header h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Form Styles */
.auth-form {
    margin-bottom: 2rem;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input.error {
    border-color: #ef4444;
}

.form-error {
    display: block;
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--text-primary);
}

/* Verification Code Input */
.verification-input {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.verification-input input {
    flex: 1;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.2em;
}

.send-code-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    min-width: 100px;
}

.send-code-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.send-code-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.send-code-btn .countdown {
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

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

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: var(--transition);
}

.checkbox-container input:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-container input:checked + .checkmark:after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Button Styles */
.btn-full {
    width: 100%;
    justify-content: center;
}

.guest-login {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Divider */
.auth-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

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

.auth-divider span {
    background: white;
    color: var(--text-light);
    padding: 0 1rem;
    font-size: 0.9rem;
}

/* Social Login */
.social-login {
    text-align: center;
    margin-bottom: 2rem;
}

.social-login p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.social-buttons {
    display: flex;
    gap: 1rem;
}

.btn-social {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-social:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-social.google:hover {
    border-color: #db4437;
    color: #db4437;
}

.btn-social.facebook:hover {
    border-color: #4267B2;
    color: #4267B2;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

/* Features Sidebar */
.auth-features {
    padding: 2rem;
    color: white;
}

.auth-features h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: white;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-item i {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.feature-item h4 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Guest Mode Banner */
.guest-banner {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    text-align: center;
}

.guest-banner h4 {
    color: white;
    margin-bottom: 0.5rem;
}

.guest-banner p {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 15px;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
        margin: 0;
    }
    
    .auth-header h1 {
        font-size: 2rem;
    }
    
    .auth-features {
        order: -1;
        padding: 1.5rem;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
    }
    
    .social-buttons {
        flex-direction: column;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .auth-section {
        padding: 100px 0 40px;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.8rem;
    }
    
    .feature-list {
        gap: 1.5rem;
    }
    
    .feature-item {
        gap: 0.75rem;
    }
}

/* Animation for form validation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-group.error input {
    animation: shake 0.5s ease-in-out;
}

/* Success message */
.success-message {
    background: #10b981;
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    text-align: center;
}

.error-message {
    background: #ef4444;
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    text-align: center;
}