/* Installation Booking Page Styles */

* {
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #f3f4f6;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    --background-light: #f9fafb;
}

/* Main Container */
.installation-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 48px 20px;
    font-family: 'Inter', sans-serif;
    min-height: 60vh;
}

/* Breadcrumb spacing */
#breadcrumb-root {
    margin-bottom: 20px;
}
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:visited {
    /* keep same color after visit */
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
    text-decoration: underline;
}

.breadcrumb span[aria-hidden] {
    color: var(--text-secondary);
}

/* Guest Prompt */
.guest-prompt {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.info-banner {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 900px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
}

.info-banner-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-banner-icon i {
    color: white;
    font-size: 24px;
}

.info-banner-content {
    flex: 1;
}

.info-banner-content h3 {
    margin: 0 0 6px 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.info-banner-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.info-banner-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.header-icon i {
    color: white;
    font-size: 26px;
}

.header-content h1 {
    color: var(--text-primary);
    margin: 0 0 6px 0;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    line-height: 1.5;
}

/* Order Selection Card */
.order-selection-card {
    background: white;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
    overflow: hidden;
    margin-bottom: 32px;
}

.order-selection-section {
    margin-bottom: 32px;
}

/* My Orders Section (Logged-in Users) */
.my-orders-section {
    margin-bottom: 32px;
}

.my-orders-title {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 20px 0;
}

.my-orders-section .orders-list-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: none;
    overflow: visible;
}

.my-orders-section .order-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.my-orders-section .order-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.my-orders-section .order-item.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0.02) 100%);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

/* Compact Order Item Design */
.order-item-compact {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.order-compact-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.order-id-wrapper {
    color: var(--text-primary);
    font-size: 1rem;
}

.order-id-wrapper strong {
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 6px;
}

.order-compact-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 6px;
}

.order-compact-date::before {
    content: '📅';
    font-size: 0.875rem;
}

.order-compact-products {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.products-label {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-left: 8px;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 6px 0;
}

.product-item i {
    color: var(--primary-color);
    font-size: 0.85rem;
    width: 16px;
    flex-shrink: 0;
}

.product-qty {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 6px;
}

.no-products {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
    margin-left: 8px;
}

/* Selection Tabs */
.selection-tabs {
    display: flex;
    border-bottom: 2px solid var(--secondary-color);
    background: var(--background-light);
}

.tab-btn {
    flex: 1;
    padding: 18px 24px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.tab-btn i {
    font-size: 18px;
}

.tab-btn:hover {
    background: rgba(59, 130, 246, 0.05);
    color: var(--primary-color);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 32px;
}

.tab-content.active {
    display: block;
}

/* Manual Entry Form */
.manual-entry-content {
    padding: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.manual-entry-form {
    max-width: 100%;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 28px;
}

.form-header h3 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 1.375rem;
    font-weight: 600;
}

.form-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.input-with-btn {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: stretch;
}

.input-with-btn input {
    flex: 1;
    max-width: 400px;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.input-with-btn input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-with-btn .btn {
    white-space: nowrap;
    padding: 14px 24px;
}

.input-help {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.input-help i {
    color: var(--info-color);
}

/* Orders List Container */
.orders-list-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
}

.order-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.order-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.order-item.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.02);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
}

.order-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.order-number {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.order-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.order-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.order-status.delivered {
    background: #d1fae5;
    color: #065f46;
}

.order-status.shipped {
    background: #dbeafe;
    color: #1e40af;
}

.order-status.processing {
    background: #fef3c7;
    color: #92400e;
}

.order-status.pending {
    background: #e5e7eb;
    color: #374151;
}

.order-item-body {
    display: flex;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.order-products {
    flex: 1;
}

.product-summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.order-total {
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.order-total strong {
    display: block;
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-top: 4px;
}

.order-radio {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Selected Order Section */
.selected-order-section {
    margin-bottom: 32px;
}

.selected-order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.selected-order-header h2 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.selected-order-header h2 i {
    color: var(--success-color);
}

.selected-order-card {
    background: white;
    border: 2px solid var(--success-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

.order-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 640px) {
    .order-details-grid {
        grid-template-columns: 1fr;
    }

    .booking-form-grid {
        grid-template-columns: 1fr;
    }

    .datetime-actions {
        flex-direction: column;
    }

    .datetime-actions .btn {
        width: 100%;
    }
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

/* Product List Styling */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.product-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.product-list-item i {
    color: var(--primary-color);
    font-size: 1rem;
}

.qty-badge {
    margin-left: auto;
    padding: 4px 10px;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Installation Date & Time Section */
.installation-datetime-section {
    margin-top: 32px;
}

.datetime-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.datetime-header {
    margin-bottom: 24px;
}

.datetime-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.datetime-header h3 i {
    color: var(--primary-color);
}

.datetime-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* Booking Details Card */
.booking-details-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.booking-details-card .section-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.booking-details-card .section-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.booking-details-card .section-header h3 i {
    color: var(--primary-color);
}

.booking-details-card .section-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Booking Form Grid */
.booking-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.datetime-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

/* Form Error Messages */
.form-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: var(--error-color);
    font-size: 0.95rem;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

.form-error i {
    font-size: 1.1rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.booking-form-grid .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.booking-form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.booking-form-grid .form-group label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.booking-form-grid .form-group label .required {
    color: var(--error-color);
}

.booking-form-grid .form-group label .optional {
    color: var(--text-secondary);
    font-weight: normal;
    font-size: 0.875rem;
}

.booking-form-grid .form-group input[type="date"],
.booking-form-grid .form-group input[type="text"],
.booking-form-grid .form-group input[type="email"],
.booking-form-grid .form-group input[type="tel"],
.booking-form-grid .form-group select,
.booking-form-grid .form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: white;
    transition: all 0.2s ease;
    font-family: inherit;
}

.booking-form-grid .form-group input:focus,
.booking-form-grid .form-group select:focus,
.booking-form-grid .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.booking-form-grid .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.booking-form-grid .form-group .help-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.booking-form-grid .form-group .help-text i {
    color: var(--info-color);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group label .required {
    color: var(--error-color);
}

.form-group input[type="date"],
.form-group select {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: white;
    transition: all 0.2s ease;
}

.form-group input[type="date"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group .help-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group .help-text i {
    color: var(--info-color);
}

/* Payment Note */
.payment-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 8px;
    margin-top: 24px;
}

.payment-note i {
    color: #0284c7;
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.payment-note p {
    margin: 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.payment-note strong {
    color: #0369a1;
}

.datetime-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.datetime-actions .btn {
    min-width: 140px;
    justify-content: center;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
    grid-column: 1 / -1;
}

.form-actions .btn {
    min-width: 180px;
    justify-content: center;
}

/* Customer Details Section */
.customer-details-section {
    margin-top: 32px;
}

.customer-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 20px;
    margin-bottom: 24px;
    max-width: 800px;
}

.customer-form .form-group.full-width {
    grid-column: 1 / -1;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: white;
    transition: all 0.2s ease;
    width: 100%;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--secondary-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.loading-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 1.25rem;
    font-weight: 600;
}

/* No Results State - same as order tracking page */
.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 28px 18px;
    margin: 8px auto;
}

.no-results-content {
    max-width: 800px;
    width: 100%;
}

.no-results h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Support card variant when embedded inside no-results */
.support-card.support-inline {
    max-width: 780px;
    margin: 8px auto 0 auto;
    padding: 10px 14px;
    gap: 10px;
    align-items: center;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    box-shadow: 0 6px 18px rgba(59,130,246,0.06);
    border-radius: 10px;
    display: flex;
}

.support-card.support-inline .support-icon {
    width: 44px;
    height: 44px;
    background: #ffffff;
    border: 1px solid #bfdbfe;
    box-shadow: 0 1px 6px rgba(59,130,246,0.06);
    flex-shrink: 0;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-card.support-inline .support-icon i { 
    color: var(--primary-color);
    font-size: 18px;
    transition: transform 0.15s ease;
}

.support-card.support-inline:hover .support-icon {
    box-shadow: 0 4px 12px rgba(59,130,246,0.15);
}

.support-card.support-inline:hover .support-icon i {
    transform: scale(1.05);
}

.support-card.support-inline .support-content {
    flex: 1;
}

.support-card.support-inline .support-content h4 {
    margin: 0 0 8px 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.support-card.support-inline .support-content p {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.support-card.support-inline .support-options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.support-card.support-inline .support-options .support-link {
    padding: 8px 12px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
    border: 1px solid transparent;
    height: auto;
}

.support-card.support-inline .support-options .support-link.secondary-btn {
    background: #ffffff;
    color: var(--text-primary);
    border-color: #bfdbfe;
}

.support-card.support-inline .support-options .support-link.secondary-btn:hover {
    background: #f0f7ff;
    border-color: #93c5fd;
    color: var(--text-primary);
}

.support-card.support-inline .support-options .support-link.secondary-btn i {
    color: var(--primary-color);
    font-size: 14px;
    line-height: 1;
}

.support-card.support-inline .support-options .support-link.secondary-btn:hover i {
    color: var(--primary-color);
}

.support-card.support-inline .support-options .support-link.primary-btn {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.support-card.support-inline .support-options .support-link.primary-btn:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.support-card.support-inline .support-options .support-link.primary-btn i {
    color: #ffffff;
    font-size: 14px;
    line-height: 1;
}

.support-divider {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.support-card.support-inline .support-options .support-divider {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.empty-state p {
    color: var(--text-secondary);
    margin: 0 0 24px 0;
    font-size: 0.95rem;
}

/* Error State */
.error-state {
    text-align: center;
    padding: 60px 20px;
}

.error-state i {
    font-size: 64px;
    color: var(--error-color);
    margin-bottom: 16px;
    opacity: 0.8;
}

.error-state h3 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.error-state p {
    color: var(--text-secondary);
    margin: 0 0 24px 0;
    font-size: 0.95rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay .spinner {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

.loading-overlay p {
    color: white;
    margin-top: 16px;
    font-size: 1rem;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.primary-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

.secondary-btn:hover {
    background: rgba(59, 130, 246, 0.05);
}

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

.outline-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .installation-container {
        padding: 24px 16px;
    }

    .section-header {
        flex-direction: column;
        text-align: center;
    }

    .header-content h1 {
        font-size: 1.5rem;
    }

    .info-banner {
        flex-direction: column;
        text-align: center;
    }

    .info-banner-actions {
        flex-direction: column;
        width: 100%;
    }

    .info-banner-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .tab-btn {
        font-size: 0.875rem;
        padding: 14px 16px;
    }

    .tab-btn span {
        display: none;
    }

    .input-with-btn {
        flex-direction: column;
    }

    .input-with-btn .btn {
        width: 100%;
        justify-content: center;
    }

    .order-item-header {
        flex-direction: column;
        gap: 8px;
    }

    .order-item-body {
        flex-direction: column;
    }

    .order-total {
        text-align: left;
    }

    .selected-order-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .selected-order-header .btn {
        width: 100%;
        justify-content: center;
    }

    .order-details-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: 1.25rem;
    }

    .header-icon {
        width: 48px;
        height: 48px;
    }

    .header-icon i {
        font-size: 22px;
    }

    .tab-content {
        padding: 20px;
    }

    .order-selection-card {
        margin-bottom: 24px;
    }
}