/* Authentication Styles */
.auth-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: calc(100vh - 80px);
}

.auth-container {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    margin: 0 auto;
}

.auth-tabs {
    display: flex;
    background: var(--gray-100);
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
    position: relative;
}

.auth-tab.active {
    color: var(--primary-color);
    background: var(--white);
}

.auth-tab:hover:not(.active) {
    color: var(--gray-800);
    background: var(--gray-200);
}

.auth-tab.admin-tab {
    color: var(--danger-color);
}

.auth-tab.admin-tab.active {
    color: var(--white);
    background: var(--danger-color);
}

.auth-tab.admin-tab:hover:not(.active) {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.auth-form {
    padding: 2rem;
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--gray-800);
    font-size: 1.75rem;
    font-weight: 600;
}

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

.auth-form .form-group:last-of-type {
    margin-bottom: 2rem;
}

.auth-form input {
    padding: 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.auth-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.auth-form .btn {
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
}

/* Auth Form Animations */
.auth-form {
    animation: fadeInUp 0.3s ease;
}

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

/* Auth Error States */
.auth-form .form-group.error input {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.auth-form .error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-form .error-message::before {
    content: "⚠️";
}

/* Auth Success States */
.auth-form .form-group.success input {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.auth-form .success-message {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-form .success-message::before {
    content: "✅";
}

/* Auth Loading States */
.auth-form .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.auth-form .btn:disabled::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
}

.password-strength-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.password-strength-fill {
    height: 100%;
    transition: var(--transition);
    border-radius: 2px;
}

.password-strength-weak .password-strength-fill {
    width: 25%;
    background: var(--danger-color);
}

.password-strength-medium .password-strength-fill {
    width: 50%;
    background: var(--warning-color);
}

.password-strength-strong .password-strength-fill {
    width: 75%;
    background: var(--info-color);
}

.password-strength-very-strong .password-strength-fill {
    width: 100%;
    background: var(--success-color);
}

.password-strength-text {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Remember Me Checkbox */
.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.remember-me input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.remember-me label {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-600);
    cursor: pointer;
}

/* Forgot Password Link */
.forgot-password {
    text-align: center;
    margin-top: 1rem;
}

.forgot-password a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.forgot-password a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Auth Form Validation */
.auth-form .form-group {
    position: relative;
}

.auth-form .form-group .input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.auth-form .form-group.success .input-icon {
    color: var(--success-color);
}

.auth-form .form-group.error .input-icon {
    color: var(--danger-color);
}

/* Admin Login Styles */
.admin-login-header {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--white);
}

.admin-login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.admin-login-header p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Auth Container Responsive */
@media (max-width: 480px) {
    .auth-container {
        margin: 1rem;
        border-radius: var(--border-radius-lg);
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .auth-form h2 {
        font-size: 1.5rem;
    }
    
    .auth-tabs {
        flex-direction: column;
    }
    
    .auth-tab {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .admin-login-header h1 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Checkbox styles for remember me */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin: 0;
    padding: 0.5rem 0;
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary-color);
    cursor: pointer;
    margin: 0;
}

.checkbox-text {
    user-select: none;
    line-height: 1.4;
}

.checkbox-label:hover .checkbox-text {
    color: var(--gray-900);
}