/* Modern CSS Styling for Tower Configurator */

:root {
    --primary-color: #DC143C;
    --primary-dark: #B71C1C;
    --primary-light: #FF6B6B;
    --success-color: #27ae60;
    --danger-color: #DC143C;
    --warning-color: #f39c12;
    --secondary-color: #6c757d;
    --dark-color: #2c3e50;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-color: #dee2e6;
    --text-color: #212529;
    --text-muted: #6c757d;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-red: 0 2px 8px rgba(220, 20, 60, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    color: var(--text-color);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    border-bottom: 2px solid var(--primary-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-color);
}

.nav-logo {
    height: 50px;
    width: auto;
}

.nav-title {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav-title-main {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-title-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.nav-link:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(220, 20, 60, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    width: 100%;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: calc(100vh - 200px);
}

.container {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary-color);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.page-logo {
    height: 80px;
    width: auto;
    flex-shrink: 0;
}

.page-title-section {
    flex: 1;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin: 0;
    font-weight: 400;
}

h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Series Selector Section */
.series-selector-section {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.series-selector-section .form-group {
    margin-bottom: 0;
    max-width: 300px;
}

/* Configuration Section */
.config-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.config-panel, .summary-panel {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

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

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

.required {
    color: var(--primary-color);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

/* Accessories Container */
.accessories-container {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--white);
    overflow: hidden;
}

.accessories-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.accessories-table thead {
    background-color: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
}

.accessories-table th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
}

.accessories-table th:nth-child(1) {
    width: 25%;
}

.accessories-table th:nth-child(2) {
    width: 35%;
}

.accessories-table th:nth-child(3) {
    width: 15%;
    text-align: right;
}

.accessories-table th:nth-child(4) {
    width: 10%;
    text-align: center;
}

.accessories-table th:nth-child(5) {
    width: 15%;
    text-align: right;
}

.accessories-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.accessories-table tbody tr:hover {
    background-color: var(--light-bg);
}

.accessories-table tbody tr:last-child {
    border-bottom: none;
}

.accessories-table td {
    padding: 0.75rem;
    vertical-align: middle;
}

.accessories-table td:nth-child(3),
.accessories-table td:nth-child(5) {
    text-align: right;
    font-weight: 500;
    color: var(--primary-color);
}

.accessories-table td:nth-child(4) {
    text-align: center;
}

.accessory-quantity {
    width: 70px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

.accessory-quantity:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.accessory-subtotal {
    font-weight: 600;
    color: var(--primary-color);
}

/* Summary Panel */
.summary-content {
    min-height: 200px;
    margin-bottom: 1.5rem;
}

.summary-placeholder {
    color: var(--secondary-color);
    font-style: italic;
    text-align: center;
    padding: 2rem;
}

.summary-list {
    list-style: none;
    padding: 0;
}

.summary-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-list ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

/* Price Display */
.price-display {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-red);
}

.price-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.price-value {
    font-size: 2.5rem;
    font-weight: bold;
}

.height-display {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #5a6268 100%);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.height-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.height-value {
    font-size: 2.5rem;
    font-weight: bold;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-red);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-info {
    background-color: #17a2b8;
    color: var(--white);
}

.btn-info:hover {
    background-color: #138496;
}

.btn-success:hover {
    background-color: #229954;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close {
    color: var(--secondary-color);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close:hover {
    color: var(--dark-color);
}

/* Config List */
.config-list {
    margin-top: 1rem;
}

.config-list-items {
    list-style: none;
    padding: 0;
}

.config-item {
    background-color: var(--white);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.config-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.config-item-info {
    flex: 1;
}

.config-item-info strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.config-date {
    display: block;
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.config-price {
    display: block;
    font-size: 0.9rem;
    color: var(--success-color);
    font-weight: 600;
}

.config-item-actions {
    display: flex;
    gap: 0.5rem;
}

/* Parts Management */
.parts-management {
    margin-top: 2rem;
}

.parts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.parts-table-container {
    overflow-x: auto;
}

.parts-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
}

.parts-table thead {
    background-color: var(--primary-color);
    color: var(--white);
}

.parts-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.parts-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.parts-table tbody tr:hover {
    background-color: var(--light-bg);
}

.parts-table tbody tr.edited {
    background-color: #fff3cd;
}

.price-input {
    width: 100px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.loading, .empty-message {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-color);
    font-style: italic;
}

/* Admin Sections */
.admin-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.admin-section-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

/* Leads Management */
.leads-management {
    margin-top: 1rem;
}

.leads-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
}

.leads-table-container {
    margin-top: 1rem;
}

.configs-management {
    margin-top: 1rem;
}

.configs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

/* Login Page */
.login-container {
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header h2 {
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin: 0;
}

.login-form {
    text-align: left;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(220, 20, 60, 0.1);
    border-radius: 4px;
    border-left: 3px solid var(--danger-color);
}

.config-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.config-header h2 {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .page-logo {
        height: 60px;
    }
    
    .page-title-section h2 {
        font-size: 2rem;
    }
    
    .config-section {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
    }
    
    .main-content {
        padding: 0 1rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .parts-header {
        flex-direction: column;
    }
    
    .parts-header .btn {
        width: 100%;
    }
    
    .config-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .config-item-actions {
        width: 100%;
    }
    
    .config-item-actions .btn {
        flex: 1;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7f8c8d;
}

/* Footer */
.site-footer {
    background: linear-gradient(to bottom, var(--white) 0%, var(--light-bg) 100%);
    border-top: 2px solid var(--primary-color);
    padding: 2.5rem 0;
    margin-top: 3rem;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-copyright {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.3px;
}

.footer-copyright::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background-color: var(--primary-color);
    margin-right: 10px;
    vertical-align: middle;
}

.footer-copyright::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background-color: var(--primary-color);
    margin-left: 10px;
    vertical-align: middle;
}

/* Sortable Table Headers */
.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: background-color 0.2s;
}

.sortable:hover {
    background-color: var(--light-bg);
}

.sort-indicator {
    display: inline-block;
    margin-left: 0.25rem;
    color: var(--primary-color);
    font-size: 0.85em;
}

/* Pagination */
.pagination-container {
    margin-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 4px;
}

.pagination-info {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pagination-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.pagination-controls .btn {
    min-width: 40px;
    padding: 0.4rem 0.8rem;
}

.pagination-controls .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    padding: 0 0.5rem;
    color: var(--text-muted);
}

/* Custom Dialog/Modal */
.custom-dialog-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    overflow: auto;
    animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.custom-dialog-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: slideDown 0.3s ease-out;
}

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

.custom-dialog-header {
    padding: 1.5rem 2rem;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 8px 8px 0 0;
}

.custom-dialog-header h3 {
    margin: 0;
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 600;
}

.custom-dialog-body {
    padding: 2rem;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 1rem;
}

.custom-dialog-body p {
    margin: 0;
}

.custom-dialog-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background-color: var(--light-bg);
    border-radius: 0 0 8px 8px;
}

.custom-dialog-footer .btn {
    min-width: 100px;
}

/* Quote Details Modal */
.quote-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.quote-section:last-of-type {
    border-bottom: none;
}

.quote-section h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.quote-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.quote-info-grid > div {
    padding: 0.5rem 0;
}

.quote-info-grid strong {
    color: var(--dark-color);
    margin-right: 0.5rem;
}

#quote-components-table {
    margin-top: 1rem;
}

#quote-components-table th {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

#quote-components-table th:nth-child(1),
#quote-components-table td:nth-child(1) {
    width: 8%;
    text-align: center;
}

#quote-components-table th:nth-child(2),
#quote-components-table td:nth-child(2) {
    width: 25%;
}

#quote-components-table th:nth-child(3),
#quote-components-table td:nth-child(3) {
    width: 30%;
}

#quote-components-table th:nth-child(4),
#quote-components-table td:nth-child(4) {
    width: 12%;
    text-align: right;
}

#quote-components-table th:nth-child(5),
#quote-components-table td:nth-child(5) {
    width: 12%;
    text-align: right;
}

#quote-components-table th:nth-child(6),
#quote-components-table td:nth-child(6) {
    width: 13%;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

#quote-components-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

#quote-components-table tbody tr:hover {
    background-color: var(--light-bg);
}

.quote-pricing {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 4px;
}

.quote-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}