/* Auth Module - Main Styles */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition: all 0.3s ease;
}

/* Base Styles */
.auth-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem 0;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.2);
}

/* User Type Selection Styles */
.user-type-selection {
    padding: 3rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 3rem;
}

.registration-card {
    height: 100%;
    border: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.registration-card[data-type="customer"]::before {
    background: var(--gradient-success);
}

.registration-card:hover::before {
    opacity: 0.05;
}

.registration-card .card-body {
    position: relative;
    z-index: 2;
}

.registration-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.registration-card[data-type="customer"]:hover {
    border-color: var(--success-color);
}

.registration-card .card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.registration-card:hover .card-title {
    color: var(--primary-color);
}

.registration-card[data-type="customer"]:hover .card-title {
    color: var(--success-color);
}

.registration-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.registration-card:hover .registration-icon {
    transform: scale(1.1);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.feature-list i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

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

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.section-header i {
    margin-right: 0.75rem;
    font-size: 1.3rem;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-text {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

/* Button Styles */
.btn-auth {
    padding: 0.875rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.5px;
}

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

.btn-back {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.btn-back:hover {
    color: var(--primary-color);
    transform: translateX(-5px);
}

/* Terms and Conditions */
.terms-check {
    margin: 2rem 0;
}

.terms-check .form-check-label {
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.terms-check a:hover {
    text-decoration: underline;
}

/* Success Messages */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

/* Loading States */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}