/* Customer Authentication Styles */
:root {
    --primary-color: #128C7E;
    --secondary-color: #075E54;
    --accent-color: #FFC107;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e6ed;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --text-color: #2c3e50;
    --success-color: #27ae60;
    --error-color: #e74c3c;
}

.auth-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
}

.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
    background: #f8f9fa;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
}

.auth-tab {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
    position: relative;
}

.auth-tab:hover {
    background: rgba(18, 140, 126, 0.1);
    color: var(--primary-color);
}

.auth-tab.active {
    color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.auth-form-container {
    animation: fadeIn 0.5s ease-in-out;
}

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

.auth-form-container h2 {
    margin-bottom: 30px;
    color: var(--secondary-color);
    text-align: center;
    font-size: 28px;
    font-weight: 700;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(18, 140, 126, 0.1);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: #999;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(18, 140, 126, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
    display: block;
}

.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 16px;
}

.alert-error {
    background: linear-gradient(135deg, #fee 0%, #fdd 100%);
    color: var(--error-color);
    border-left: 4px solid var(--error-color);
}

.alert-error::before {
    content: "\f06a"; /* exclamation-circle */
}

.alert-success {
    background: linear-gradient(135deg, #efe 0%, #dfd 100%);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-success::before {
    content: "\f058"; /* check-circle */
}

/* Loading state */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* Form validation styles */
.form-group input.error {
    border-color: var(--error-color);
    background: #fef5f5;
}

.form-group input.success {
    border-color: var(--success-color);
    background: #f5fef5;
}

.form-group .error-message {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.form-group input.error + .error-message {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-section {
        padding: 40px 0;
    }
    
    .auth-container {
        margin: 20px;
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .auth-form-container h2 {
        font-size: 24px;
    }
    
    .form-group input {
        padding: 12px 15px;
        font-size: 15px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 15px;
    }
    
    .auth-tab {
        padding: 12px 15px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .auth-container {
        margin: 10px;
        padding: 25px 15px;
    }
    
    .auth-tabs {
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group input {
        padding: 10px 12px;
    }
}

/* Additional animations */
.auth-container {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus trap for accessibility */
.auth-container:focus-within {
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

/* Password strength indicator */
.password-strength {
    height: 4px;
    background: #eee;
    border-radius: 2px;
    margin-top: 5px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.password-strength-bar.weak {
    width: 33%;
    background: var(--error-color);
}

.password-strength-bar.medium {
    width: 66%;
    background: var(--accent-color);
}

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