body {
    margin: 0;
    overflow: hidden;
  }
  
  .app {
    display: flex;
    height: 100vh;
  }
  
  /* Sidebar */
  .sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
  }
  
  .sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
  }
  
  .logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) 0;
  }
  
  .nav-section {
    margin-bottom: var(--space-6);
  }
  
  .nav-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 var(--space-4) var(--space-2);
  }
  
  .nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    cursor: pointer;
  }
  
  .nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }
  
  .nav-item.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-left-color: var(--brand-primary);
  }
  
  /* Main */
  .main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  
  .topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-primary);
  }
  
  .topbar-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
  }
  
  .topbar-title p {
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
  
  .topbar-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
  }
  
  .icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  
  .icon-btn:hover {
    background: var(--bg-tertiary);
  }
  
  /* Content */
  .content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
  }
  
  .page {
    display: none;
  }
  
  .page.active {
    display: block;
  }
  
  /* Hero KPIs */
  .hero-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
  }
  
  .kpi-card {
    position: relative;
  }
  
  .kpi-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: var(--space-2);
  }
  
  .kpi-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
  }
  
  .kpi-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.875rem;
    font-weight: 500;
  }
  
  .kpi-change.positive { color: var(--success); }
  .kpi-change.negative { color: var(--danger); }
  
  /* Grid */
  .grid-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
  }
  
  .section-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
  }
  
  /* Positions Table */
  .positions-table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .positions-table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-primary);
  }
  
  .positions-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-secondary);
  }
  
  .positions-table tr:hover {
    background: var(--bg-tertiary);
  }
  
  .market-name {
    font-weight: 500;
    margin-bottom: var(--space-1);
  }
  
  .market-exchange {
    font-size: 0.75rem;
    color: var(--text-tertiary);
  }
  
  .pnl-positive { color: var(--success); }
  .pnl-negative { color: var(--danger); }
  
  /* Empty State */
  .empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--text-secondary);
  }
  
  .empty-state i {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    opacity: 0.3;
  }
  
  /* Activity Feed */
  .activity-feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .activity-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
  }
  
  .activity-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  
  .activity-icon.buy { background: var(--success-bg); color: var(--success); }
  .activity-icon.sell { background: var(--danger-bg); color: var(--danger); }
  
  .activity-content {
    flex: 1;
  }
  
  .activity-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-1);
  }
  
  .activity-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
  }
  
  /* Markets Page */
  .markets-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
  }
  
  .search-box {
    position: relative;
    width: 400px;
  }
  
  .search-box input {
    width: 100%;
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-10);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
  }
  
  .search-box i {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
  }
  
  .filters {
    display: flex;
    gap: var(--space-2);
  }
  
  .filter-chip {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    cursor: pointer;
  }
  
  .filter-chip.active {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
  }
  
  .markets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-4);
  }
  
  .market-card {
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
  }
  
  .market-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
  
  .market-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--space-4);
  }
  
  .market-question {
    font-weight: 500;
    font-size: 0.9375rem;
    line-height: 1.4;
    flex: 1;
  }
  
  .market-price {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-left: var(--space-3);
    flex-shrink: 0;
    transition: all 0.3s ease;
  }
  
  .market-price.pulse {
    animation: pricePulse 0.5s ease;
  }
  
  @keyframes pricePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
  }
  
  .market-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    gap: var(--space-2);
  }
  
  .market-badges {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    flex-wrap: wrap;
  }
  
  .category-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .category-tag.politics { background: #dbeafe; color: #1e40af; }
  .category-tag.crypto { background: #fef3c7; color: #92400e; }
  .category-tag.sports { background: #dcfce7; color: #166534; }
  .category-tag.economics { background: #f3e8ff; color: #6b21a8; }
  .category-tag.tech { background: #e0e7ff; color: #3730a3; }
  .category-tag.culture { background: #fce7f3; color: #9f1239; }
  
  [data-theme="dark"] .category-tag.politics { background: #1e3a8a; color: #bfdbfe; }
  [data-theme="dark"] .category-tag.crypto { background: #78350f; color: #fef3c7; }
  [data-theme="dark"] .category-tag.sports { background: #14532d; color: #bbf7d0; }
  [data-theme="dark"] .category-tag.economics { background: #581c87; color: #e9d5ff; }
  [data-theme="dark"] .category-tag.tech { background: #312e81; color: #c7d2fe; }
  [data-theme="dark"] .category-tag.culture { background: #881337; color: #fce7f3; }
  
  .volume-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--success-bg);
    color: var(--success);
    font-size: 0.6875rem;
    font-weight: 600;
    font-family: var(--font-mono);
  }
  
  .volume-badge i {
    color: var(--success);
  }
  
  .market-actions {
    display: flex;
    gap: var(--space-2);
  }
  
  .trade-flash {
    position: absolute;
    top: 0;
    right: 0;
    padding: 4px 12px;
    background: var(--success);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    border-radius: 0 var(--radius-lg) 0 var(--radius-md);
    animation: flashIn 0.8s ease-out;
    pointer-events: none;
  }
  
  @keyframes flashIn {
    0% { opacity: 0; transform: translateY(-10px); }
    30% { opacity: 1; transform: translateY(0); }
    70% { opacity: 1; }
    100% { opacity: 0; }
  }
  
  .trending-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    cursor: pointer;
  }
  
  .trending-item:hover {
    background: var(--bg-tertiary);
  }
  
  .trending-rank {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-tertiary);
    width: 24px;
    text-align: center;
  }
  
  .trending-content {
    flex: 1;
    min-width: 0;
  }
  
  .trending-title {
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .trending-meta {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-1);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
  }
  
  .trending-change {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    white-space: nowrap;
  }
  
  .trending-change.up {
    color: var(--success);
  }
  
  .trending-change.down {
    color: var(--error);
  }
  
  /* Market Detail Modal */
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }
  
  .modal-overlay.active {
    opacity: 1;
    pointer-events: all;
  }
  
  .modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 1000px;
    width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
  }
  
  .modal-overlay.active .modal {
    transform: scale(1);
  }
  
  .modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: start;
  }
  
  .modal-title {
    flex: 1;
    padding-right: var(--space-4);
  }
  
  .modal-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
  }
  
  .modal-subtitle {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
  }
  
  .modal-close {
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
  }
  
  .modal-close:hover {
    color: var(--text-primary);
  }
  
  .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
  }
  
  .modal-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
  }
  
  .price-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
  }
  
  .price-box {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    text-align: center;
  }
  
  .price-box.yes {
    background: var(--success-bg);
    border: 2px solid var(--success);
  }
  
  .price-box.no {
    background: var(--neutral-bg);
    border: 2px solid var(--border-primary);
  }
  
  .price-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
  }
  
  .price-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
  }
  
  .order-form {
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
  }
  
  .form-group {
    margin-bottom: var(--space-4);
  }
  
  .form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
  }
  
  .form-group input {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
  }
  
  .form-group input:focus {
    outline: none;
    border-color: var(--brand-primary);
  }
  
  .order-summary {
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
  }
  
  .summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: 0.875rem;
  }
  
  .summary-row.total {
    font-weight: 700;
    font-size: 1rem;
    border-top: 1px solid var(--border-primary);
    margin-top: var(--space-2);
    padding-top: var(--space-3);
  }
  
  .chart-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-6);
  }
  
  .order-book {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
  }
  
  .book-header {
    font-weight: 600;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-primary);
  }
  
  .book-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: var(--space-2) 0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
  }
  
  .book-row.header {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-tertiary);
  }
  
  
  /* Autopilot Page */
  .autopilot-status {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    margin-bottom: var(--space-6);
  }
  
  .status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
  }
  
  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
  }
  
  .status-badge.active {
    background: var(--success-bg);
    color: var(--success);
  }
  
  .status-badge.inactive {
    background: var(--neutral-bg);
    color: var(--text-tertiary);
  }
  
  .risk-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
  }
  
  .risk-option {
    padding: var(--space-6);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-align: center;
  }
  
  .risk-option.selected {
    border-color: var(--brand-primary);
    background: var(--brand-primary-bg);
  }
  
  .risk-title {
    font-weight: 600;
    margin-bottom: var(--space-2);
  }
  
  .risk-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
  
  /* Professional Dropdown Menu */
  .dropdown {
    position: relative;
    display: inline-block;
  }
  
  .dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
  }
  
  .dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.15s;
  }
  
  .dropdown-item:hover {
    background: var(--bg-tertiary);
  }
  
  .dropdown-item.danger {
    color: var(--danger);
  }
  
  .dropdown-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--space-2) 0;
  }
  
  /* Professional Modal */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
  }
  
  .modal-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform 0.3s ease;
  }
  
  .modal-overlay.active .modal {
    transform: scale(1);
  }
  
  .modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .modal-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
  }
  
  .modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all 0.15s;
  }
  
  .modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }
  
  .modal-body {
    padding: var(--space-6);
    overflow-y: auto;
  }
  
  .modal-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-primary);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
  }
  
  /* Toast Notifications */
  .toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .toast {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    min-width: 300px;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: start;
    gap: var(--space-3);
    animation: slideInRight 0.3s ease;
  }
  
  @keyframes slideInRight {
    from {
      transform: translateX(400px);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  .toast.success { border-left: 3px solid var(--success); }
  .toast.error { border-left: 3px solid var(--danger); }
  .toast.warning { border-left: 3px solid var(--warning); }
  .toast.info { border-left: 3px solid var(--brand-primary); }
  
  .toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
  }
  
  .toast-content {
    flex: 1;
  }
  
  .toast-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
    font-size: 0.875rem;
  }
  
  .toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
  }
  
  .toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--text-tertiary);
    transition: color 0.15s;
  }
  
  .toast-close:hover {
    color: var(--text-primary);
  }
  
  /* Loading States */
  .skeleton {
    background: linear-gradient(
      90deg,
      var(--bg-secondary) 25%,
      var(--bg-tertiary) 50%,
      var(--bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
  }
  
  @keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
  
  .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
  }
  
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
  
  .loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--bg-primary-rgb), 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }
  
  /* Badge with notification dot */
  .icon-btn-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
  }
  
  .icon-btn {
    position: relative;
  }
  
  /* Mobile Responsive */
  @media (max-width: 768px) {
    .sidebar {
      position: fixed;
      left: -260px;
      top: 0;
      bottom: 0;
      z-index: 100;
      transition: left 0.3s ease;
    }
    
    .sidebar.mobile-open {
      left: 0;
    }
    
    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 99;
    }
    
    .sidebar-overlay.active {
      display: block;
    }
    
    .hamburger-btn {
      display: flex;
    }
    
    .grid-2-1 {
      grid-template-columns: 1fr;
    }
    
    .hero-kpis {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .topbar-actions {
      gap: var(--space-2);
    }
    
    .markets-header {
      flex-direction: column;
      gap: var(--space-3);
    }
    
    .search-box {
      width: 100%;
    }
    
    .filters {
      flex-wrap: wrap;
    }
    
    .markets-grid {
      grid-template-columns: 1fr;
    }
    
    .modal-grid {
      grid-template-columns: 1fr;
    }
    
    .risk-selector {
      grid-template-columns: 1fr;
    }
    
    .toast {
      min-width: calc(100vw - 32px);
    }
  }
  
  .hamburger-btn {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  
  .hamburger-btn:hover {
    background: var(--bg-tertiary);
  }