.rut-root {
    --rut-accent: #06b6d4;
    --rut-accent-hover: #0891b2;
    --rut-sidebar-bg: #f8fafc;
    --rut-sidebar-border: #e2e8f0;
    --rut-map-bg: #f1f5f9;
    --rut-text-main: #1e293b;
    --rut-text-muted: #64748b;
    --rut-item-bg: #fff;
    --rut-item-border: #f1f5f9;
    --rut-item-hover-border: rgba(6, 182, 212, 0.5);
    --rut-badge-bg: rgba(207, 250, 254, 1);
    --rut-badge-border: #a5f3fc;
    --rut-badge-text: #0e7490;
    --rut-stats-bg: rgba(236, 254, 255, 1);
    --rut-stats-border: #a5f3fc;
    --rut-stats-label: #164e63;
    --rut-stats-value: #0891b2;
    --rut-btn-clear-bg: #fff;
    --rut-btn-clear-text: #334155;
    --rut-btn-clear-border: #e2e8f0;
    --rut-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }

  .theme-dark .rut-root {
    --rut-sidebar-bg: rgba(15, 23, 42, 0.5);
    --rut-sidebar-border: #1e293b;
    --rut-map-bg: #1e293b;
    --rut-text-main: #f1f5f9;
    --rut-text-muted: #94a3b8;
    --rut-item-bg: #1e293b;
    --rut-item-border: #334155;
    --rut-badge-bg: rgba(8, 145, 178, 0.3);
    --rut-badge-border: #164e63;
    --rut-badge-text: #67e8f9;
    --rut-stats-bg: rgba(8, 145, 178, 0.2);
    --rut-stats-border: rgba(8, 145, 178, 0.3);
    --rut-stats-label: #a5f3fc;
    --rut-stats-value: #22d3ee;
    --rut-btn-clear-bg: #1e293b;
    --rut-btn-clear-text: #cbd5e1;
    --rut-btn-clear-border: #334155;
    --rut-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }

  .rut-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 100px);
    min-height: 500px;
    max-height: 800px;
  }

  @media (min-width: 1024px) {
    .rut-layout {
      display: grid;
      grid-template-columns: 320px 1fr;
      flex-direction: unset;
    }
  }

  .rut-sidebar {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--rut-sidebar-bg);
    border-bottom: 1px solid var(--rut-sidebar-border);
    overflow: hidden;
    height: 50%;
  }

  @media (min-width: 1024px) {
    .rut-sidebar {
      height: 100%;
      border-bottom: none;
      border-right: 1px solid var(--rut-sidebar-border);
      order: 1;
    }
  }

  .rut-sidebar-header {
    margin-bottom: 1.25rem;
  }

  .rut-sidebar-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--rut-text-main);
    margin: 0 0 0.375rem;
  }

  .rut-sidebar-desc {
    font-size: 0.875rem;
    color: var(--rut-text-muted);
    margin: 0;
  }

  .rut-list-wrapper {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    margin-bottom: 1rem;
    padding-right: 0.25rem;
  }

  .rut-list-wrapper::-webkit-scrollbar {
    width: 6px;
  }

  .rut-list-wrapper::-webkit-scrollbar-track {
    background: transparent;
  }

  .rut-list-wrapper::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, 0.5);
    border-radius: 20px;
  }

  .rut-points-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .rut-empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--rut-text-muted);
    border: 2px dashed var(--rut-sidebar-border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
  }

  .rut-actions {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--rut-sidebar-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .rut-btn-primary {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--rut-accent-hover);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.15s;
    box-shadow: 0 4px 6px -1px rgba(8, 145, 178, 0.2);
  }

  .rut-btn-primary:hover:not(:disabled) {
    background: var(--rut-accent);
  }

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

  .rut-btn-secondary {
    width: 100%;
    padding: 0.5rem 1rem;
    background: var(--rut-btn-clear-bg);
    color: var(--rut-btn-clear-text);
    border: 1px solid var(--rut-btn-clear-border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
  }

  .rut-btn-secondary:hover {
    opacity: 0.8;
  }

  .rut-btn-icon {
    flex-shrink: 0;
  }

  .rut-icon-spin {
    display: none;
    animation: rut-spin 1s linear infinite;
  }

  @keyframes rut-spin {
    to { transform: rotate(360deg); }
  }

  .rut-btn-primary[data-loading] .rut-icon-chart {
    display: none;
  }

  .rut-btn-primary[data-loading] .rut-icon-spin {
    display: block;
  }

  .rut-stats-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--rut-stats-bg);
    border: 1px solid var(--rut-stats-border);
    border-radius: 0.5rem;
  }

  .rut-stats-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rut-stats-label);
  }

  .rut-stats-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rut-stats-value);
  }

  .rut-map-area {
    position: relative;
    height: 50%;
    order: 0;
  }

  @media (min-width: 1024px) {
    .rut-map-area {
      height: 100%;
      order: 2;
    }
  }

  .rut-map {
    width: 100%;
    height: 100%;
    background: var(--rut-map-bg);
  }

  .rut-hidden {
    display: none;
  }