:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 320px;
    --sidebar-collapsed-width: 64px;
    --subsidebar-width: 260px;
    --mobile-nav-height: 56px;
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

.app-content-wrapper {
    flex: 1;
    max-width: 1800px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.main-navigation {
    position: relative;
    z-index: 200;
}

.main-nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 32px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
}

.nav-tab {
    padding: 16px 24px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.main-layout {
    display: flex;
    flex: 1;
    align-items: flex-start;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    flex-shrink: 0;
    transition: width 0.3s ease;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px;
}

.sidebar-menu.hidden {
    display: none;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-section.separator {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
}

.sidebar-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    width: 100%;
}

.sidebar.collapsed .sidebar-tab {
    padding: 12px 8px;
    justify-content: center;
}

.sidebar.collapsed .sidebar-tab .tab-text {
    opacity: 0;
    width: 0;
    margin: 0;
    pointer-events: none;
}

.sidebar.collapsed .sidebar-tab .tab-icon {
    font-size: 20px;
}

.sidebar-tab:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

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

.sidebar-tab .tab-icon {
    font-size: 18px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.sidebar-tab .tab-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.3s ease;
    opacity: 1;
}

.sidebar-tab.btn-generate {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
    font-weight: 600;
    padding: 14px 16px;
    justify-content: center;
}

.sidebar-tab.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.subsidebar {
    width: var(--subsidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 16px 0;
    flex-shrink: 0;
}

.subsidebar.hidden {
    display: none;
}

.subsidebar-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 8px;
}

.subsidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
    color: var(--text-primary);
}

.subsidebar-item:hover {
    background: var(--bg-color);
}

.subsidebar-item.active {
    background: var(--primary-color);
    color: white;
}

.subsidebar-number {
    font-weight: 700;
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 20px;
}

.subsidebar-item.active .subsidebar-number {
    color: rgba(255,255,255,0.8);
}

.subsidebar-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.main-content {
    flex: 1;
    padding: 32px;
    min-width: 0;
}

.content-tab {
    display: none;
}

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

.subtab-content {
    display: none;
}

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

/* ===== DATA PANELS ===== */
.data-panel {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 18px;
}

.panel-content {
    padding: 20px 24px;
    max-height: 600px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background: var(--bg-color);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

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

.edit-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    width: 100%;
}

.form-group input[type="color"] {
    width: 60px;
    height: 40px;
    padding: 2px;
    cursor: pointer;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.checkbox-label:hover {
    background: var(--border-color);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.relations-section {
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.relations-section:last-child {
    margin-bottom: 0;
}

.relations-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-color);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.relations-section-header:hover {
    background: var(--border-color);
}

.relations-section-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

.relations-section-count {
    font-size: 13px;
    color: var(--text-secondary);
    background: white;
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.relations-section-arrow {
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.relations-section-body {
    padding: 16px 20px;
    background: white;
}

.relations-section-actions {
    margin-bottom: 16px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-color);
}

.btn-danger {
    background: var(--error-color);
    color: white;
    padding: 6px 12px;
}

.btn-danger:hover {
    background: #dc2626;
}

.status-indicator {
    padding: 8px 16px;
    background: var(--bg-color);
    border-radius: 6px;
    font-weight: 600;
}

.status-indicator.ready {
    background: #d1fae5;
    color: #065f46;
}

.status-indicator.error {
    background: #fee2e2;
    color: #991b1b;
}

/* ===== SCHEME INFO FRAME (горизонтальные карточки) ===== */
.scheme-info-frame {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 60px;
    margin-bottom: 24px;
    position: relative;
}

.scheme-info-cards-horizontal {
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: stretch;
}

.scheme-info-card-h {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.scheme-info-card-main-h {
    flex: 2;
}

.scheme-info-card-main-h .info-number {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.scheme-info-card-main-h .info-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.scheme-info-card-main-h .info-address {
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.scheme-info-card-h .stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.scheme-info-card-h .stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.scheme-info-card-h .stat-value.rent {
    color: var(--error-color);
}

.scheme-info-card-h .stat-value.capacity {
    color: var(--primary-color);
}

/* Стрелки навигации у информационной рамки */
.scheme-nav-arrows-frame {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: calc(100% - 20px);
    left: 10px;
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
    pointer-events: none;
    z-index: 10;
}

.scheme-nav-arrow-frame {
    width: 36px;
    height: 36px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
    user-select: none;
}

.scheme-nav-arrow-frame:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.scheme-nav-arrow-frame:active {
    transform: scale(0.95);
}

/* ===== SCHEME GRID (плоский grid, CSS сам разбивает на строки) ===== */
.scheme-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    padding: 0;
}

.scheme-slot {
    aspect-ratio: 1;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all 0.2s;
    min-height: 120px;
    background: white;
}

.scheme-slot.filled {
    border-width: 3px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.scheme-slot.filled:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.scheme-slot.empty {
    background: #f8fafc;
    border-style: dashed;
}

.scheme-slot.unplaced {
    background: #fee2e2;
    border-color: var(--error-color);
    border-style: dashed;
}

.scheme-slot-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
    background: var(--bg-color);
    padding: 2px 8px;
    border-radius: 10px;
}

.scheme-slot-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    width: 100%;
}

.scheme-slot-type {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 4px;
}

.scheme-slot-price {
    font-size: 11px;
    color: var(--success-color);
    font-weight: 600;
}

.scheme-slot-empty-text {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

.scheme-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* ===== ANALYTICS ===== */
.analytics-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.analytics-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.analytics-card h3 {
    margin-bottom: 16px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal.hidden {
    display: none !important;
}

#examples-modal { z-index: 1010 !important; }
#progress-modal { z-index: 1020 !important; }
#error-modal { z-index: 1030 !important; }
#confirm-modal { z-index: 1040 !important; }

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-error { max-width: 700px; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.progress-bar {
    height: 12px;
    background: var(--bg-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    width: 0%;
    transition: width 0.3s;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

.optimization-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.stat-box {
    background: var(--bg-color);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.stat-box .stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

.stat-box .stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.error-list { margin-bottom: 20px; }

.error-item {
    padding: 12px;
    background: #fee2e2;
    border-left: 4px solid var(--error-color);
    border-radius: 6px;
    margin-bottom: 8px;
}

.error-text strong { display: block; margin-bottom: 4px; }

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 400px;
}

.toast {
    background: var(--card-bg);
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-left: 4px solid var(--primary-color);
    min-width: 280px;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
}

.toast.success { border-left-color: var(--success-color); }
.toast.error { border-left-color: var(--error-color); }
.toast.warning { border-left-color: #f59e0b; }

.toast-icon { font-size: 20px; }
.toast-message { flex: 1; font-size: 14px; color: var(--text-primary); }

@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.modal-confirm { max-width: 400px; }
#confirm-message { font-size: 15px; line-height: 1.6; color: var(--text-primary); }

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.example-card {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.example-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.example-icon { font-size: 40px; margin-bottom: 12px; }
.example-card h4 { font-size: 16px; margin-bottom: 8px; color: var(--text-primary); }
.example-card p { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.4; }

.example-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.help-content h3 { font-size: 20px; margin-bottom: 16px; color: var(--text-primary); }
.help-content h4 { font-size: 16px; margin: 20px 0 12px 0; color: var(--text-primary); }
.help-content p { margin-bottom: 12px; color: var(--text-secondary); line-height: 1.7; }
.help-content ul, .help-content ol { margin: 12px 0 20px 24px; color: var(--text-secondary); }
.help-content li { margin-bottom: 8px; line-height: 1.6; }
.help-content a { color: var(--primary-color); text-decoration: none; }
.help-content a:hover { text-decoration: underline; }

.faq-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.faq-item h4 { margin-top: 0; margin-bottom: 8px; color: var(--text-primary); }
.faq-item p { margin-bottom: 0; }

.adv-relations-subsection h4 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text-primary);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* ===== FOOTER ===== */
.app-footer {
    background: #1e293b;
    color: white;
    padding: 60px 32px;
    width: 100%;
    flex-shrink: 0;
}

.footer-content {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-icon { font-size: 28px; }
.footer-logo-text { font-size: 20px; font-weight: 700; }

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover { color: white; }

.footer-copy { text-align: right; }
.footer-copy p { margin: 4px 0; font-size: 14px; }
.footer-note { opacity: 0.7; font-size: 13px; }

/* ===== MOBILE NAV BAR ===== */
.mobile-nav-bar {
    display: none;
    height: var(--mobile-nav-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    padding: 0 16px;
    position: relative;
    z-index: 100;
}

.mobile-nav-burger,
.mobile-nav-action {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
    flex-shrink: 0;
}

.mobile-nav-burger:hover,
.mobile-nav-action:hover {
    background: var(--bg-color);
}

.mobile-nav-burger:focus,
.mobile-nav-action:focus {
    outline: none;
}

.mobile-nav-burger svg,
.mobile-nav-action svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.mobile-nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 12px;
}

.mobile-nav-logo-bar {
    width: 120px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 16px;
}

.mobile-nav-action.hidden {
    visibility: hidden;
    pointer-events: none;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 320px;
    height: 100%;
    background: var(--card-bg);
    z-index: 1001;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 12px rgba(0,0,0,0.15);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    padding: 24px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.mobile-menu-header h2 { font-size: 20px; margin-bottom: 4px; }
.mobile-menu-header p { font-size: 13px; opacity: 0.9; }

.mobile-menu-section {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-section:last-child { border-bottom: none; }

.mobile-menu-section-title {
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 14px;
    color: var(--text-primary);
}

.mobile-menu-item:hover { background: var(--bg-color); }

.mobile-menu-item.active {
    background: #eff6ff;
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-item .item-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.mobile-menu-item .item-arrow {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.mobile-menu-item.expanded .item-arrow {
    transform: rotate(90deg);
}

.mobile-menu-subitems {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-color);
}

.mobile-menu-subitems.active { max-height: 500px; }

.mobile-menu-subitem {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px 10px 60px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 13px;
    color: var(--text-primary);
}

.mobile-menu-subitem:hover { background: var(--border-color); }

.mobile-menu-subitem.active {
    background: #eff6ff;
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-subitem .sub-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.mobile-menu-section.special-section {
    background: var(--bg-color);
    border-top: 2px solid var(--border-color);
}

.mobile-menu-item.special-item {
    border-left: 3px solid var(--text-secondary);
    background: rgba(255,255,255,0.5);
}

.mobile-menu-item.special-item:hover {
    background: white;
    border-left-color: var(--primary-color);
}

.mobile-menu-item.generate-item {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-weight: 600;
    margin: 8px 12px;
    border-radius: 8px;
}

.mobile-menu-item.generate-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.mobile-menu-item.generate-item .item-icon {
    color: white;
}

/* ===== TERTIARY VIEW (мобильный) ===== */
.mobile-tertiary-view {
    display: none;
}

.mobile-tertiary-view:not(.hidden) {
    display: block;
}

.desktop-scheme-view.hidden {
    display: none;
}

.tertiary-list-container,
.tertiary-detail-container {
    width: 100%;
}

.tertiary-list-container.hidden,
.tertiary-detail-container.hidden {
    display: none;
}

.tertiary-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
}

.tertiary-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.tertiary-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.tertiary-item:active {
    transform: scale(0.98);
}

.tertiary-item .tertiary-number {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 30px;
}

.tertiary-item .tertiary-name {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.tertiary-item .tertiary-arrow {
    font-size: 18px;
    color: var(--text-secondary);
}

.tertiary-detail-content {
    padding: 0;
}

/* ===== RESPONSIVE ===== */

/* Планшеты */
@media (max-width: 1200px) {
    .sidebar {
        width: 280px;
    }
    .subsidebar {
        width: 240px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 260px;
    }
    .subsidebar {
        width: 220px;
    }
    .scheme-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .scheme-info-frame {
        padding: 20px 50px;
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: 240px;
    }
    .subsidebar {
        width: 200px;
    }
    .scheme-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .scheme-info-frame {
        padding: 20px 45px;
    }
}

/* Мобильные */
@media (max-width: 768px) {
    .sidebar,
    .subsidebar {
        display: none !important;
    }

    .mobile-nav-bar {
        display: flex;
    }

    .main-nav {
        display: none;
    }

    .main-content {
        padding: 16px;
    }

    .scheme-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .scheme-slot {
        min-height: 100px;
    }

    .scheme-info-frame {
        padding: 16px 45px;
    }

    .scheme-info-cards-horizontal {
        gap: 10px;
    }

    .scheme-info-card-h {
        padding: 12px;
    }

    .scheme-info-card-main-h .info-name {
        font-size: 16px;
    }

    .scheme-info-card-h .stat-value {
        font-size: 14px;
    }

    .scheme-nav-arrows-frame {
        width: calc(100% - 10px);
        left: 5px;
    }

    .scheme-nav-arrow-frame {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .toast-container {
        bottom: 80px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

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

    .panel-header .btn {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-copy {
        text-align: center;
    }

    .app-footer {
        padding: 40px 16px;
    }

    .modal {
        padding: 10px;
    }

    .modal-content {
        max-height: 95vh;
    }
}

@media (max-width: 600px) {
    .scheme-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .scheme-slot {
        min-height: 90px;
        padding: 8px;
    }

    .scheme-slot-name {
        font-size: 11px;
    }

    .scheme-info-frame {
        padding: 14px 40px;
    }

    .scheme-info-cards-horizontal {
        gap: 8px;
    }

    .scheme-info-card-h {
        padding: 10px;
    }

    .scheme-info-card-main-h .info-name {
        font-size: 14px;
    }

    .scheme-info-card-main-h .info-address {
        font-size: 12px;
    }

    .scheme-info-card-h .stat-label {
        font-size: 10px;
    }

    .scheme-info-card-h .stat-value {
        font-size: 13px;
    }

    .scheme-nav-arrow-frame {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .scheme-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .scheme-slot {
        min-height: 80px;
        padding: 6px;
        border-radius: 8px;
    }

    .scheme-slot-name {
        font-size: 10px;
    }

    .scheme-slot-number {
        font-size: 10px;
        padding: 1px 6px;
    }

    .scheme-info-frame {
        padding: 12px 36px;
    }
}

/* Горизонтальная ориентация телефона */
@media (max-height: 500px) and (orientation: landscape) and (max-width: 900px) {
    .sidebar,
    .subsidebar {
        display: none !important;
    }

    .mobile-nav-bar {
        display: flex;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu {
        max-width: 30vw;
        min-width: 200px;
    }

    .main-content {
        padding: 12px;
    }

    .scheme-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .scheme-slot {
        min-height: 80px;
    }

    .scheme-info-frame {
        padding: 12px 40px;
        margin-bottom: 12px;
    }
}