/* Auth Pages (Login/Register) Specific Styles */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--white) 100%);
}
.auth-container {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}
.auth-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: slideUp 0.5s ease;
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.auth-header {
    background: var(--gradient-primary);
    padding: var(--space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.auth-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.auth-header h1 {
    color: var(--white);
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-2);
    position: relative;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.auth-header p {
    color: rgba(255,255,255,0.9);
    font-size: var(--text-base);
    position: relative;
}

.auth-body {
    padding: var(--space-8);
}

.auth-form .form-group {
    margin-bottom: var(--space-5);
}

.auth-form label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--dark);
    font-size: var(--text-sm);
}

.auth-form label i {
    color: var(--primary);
    margin-right: var(--space-2);
    width: 20px;
}

.auth-form input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--gray-lighter);
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    transition: var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.auth-form input.error {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

.password-field {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: var(--space-2);
    transition: var(--transition);
}

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

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--gray);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.forgot-link {
    color: var(--primary);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

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

.auth-btn {
    width: 100%;
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-full);
    font-size: var(--text-lg);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.auth-btn:hover::before {
    left: 100%;
}

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

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--gray-lighter);
}

.auth-footer p {
    color: var(--gray);
    font-size: var(--text-base);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Return to Checkout Banner */
.return-banner {
    background: var(--gradient-secondary);
    color: var(--white);
    padding: var(--space-4);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-4);
    text-align: center;
    font-size: var(--text-sm);
    animation: slideDown 0.3s ease;
}

.return-banner i {
    margin-right: var(--space-2);
}

.return-banner a {
    color: var(--white);
    font-weight: 700;
    text-decoration: underline;
}

.return-banner a:hover {
    text-decoration: none;
}

/* Alert Messages */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid #3b82f6;
    color: #3b82f6;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-header {
        padding: var(--space-6);
    }
    
    .auth-header h1 {
        font-size: var(--text-2xl);
    }
    
    .auth-body {
        padding: var(--space-6);
    }
    
    .remember-forgot {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }
}