* {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", sans-serif;
      background-color: #f9fafb;
      color: #111827;
    }

    input:focus, select:focus, button:focus {
      outline: 2px solid #10b981;
      outline-offset: 2px;
    }

    .panel {
      background: #ffffff;
      border-radius: 0.75rem;
      border: 1px solid #e5e7eb;
      box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
    }

    .tab-btn-active {
      background-color: #10b981;
      color: #ffffff;
      border-color: #10b981;
    }

    .tab-btn-inactive {
      background-color: #ffffff;
      color: #374151;
      border-color: #e5e7eb;
    }

    .tab-panel {
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .tab-panel.active {
      opacity: 1;
    }

    .mono {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;
    }

    .result-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.75rem;
      padding: 0.15rem 0.55rem;
      border-radius: 999px;
      background-color: #ecfdf3;
      color: #15803d;
    }

    .rate-table {
      overflow-x: auto;
    }

    .rate-table table {
      width: 100%;
      border-collapse: collapse;
    }

    .rate-table th {
      background-color: #f3f4f6;
      padding: 0.75rem;
      text-align: left;
      font-weight: 600;
      font-size: 0.875rem;
      border-bottom: 2px solid #e5e7eb;
    }

    .rate-table td {
      padding: 0.75rem;
      border-bottom: 1px solid #e5e7eb;
      font-size: 0.875rem;
    }

    .rate-table tbody tr:hover {
      background-color: #f9fafb;
    }

    .preset-btn {
      padding: 0.5rem 1rem;
      border: 1px solid #e5e7eb;
      border-radius: 0.5rem;
      font-size: 0.813rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .preset-btn:hover {
      background-color: #f3f4f6;
      border-color: #10b981;
    }

    .info-card {
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      border-left: 4px solid #10b981;
      padding: 1rem;
      border-radius: 0.5rem;
      margin: 1rem 0;
    }

    .myth-fact-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin: 1rem 0;
    }

    .myth-fact-card > div {
      padding: 1rem;
      border-radius: 0.5rem;
    }

    .myth {
      background-color: #fee2e2;
      border-left: 3px solid #ef4444;
    }

    .fact {
      background-color: #dcfce7;
      border-left: 3px solid #22c55e;
    }

    @media (max-width: 768px) {
      .myth-fact-card {
        grid-template-columns: 1fr;
      }
    }

    .history-item {
      padding: 0.75rem;
      border: 1px solid #e5e7eb;
      border-radius: 0.5rem;
      margin-bottom: 0.5rem;
      cursor: pointer;
      transition: all 0.2s;
    }

    .history-item:hover {
      background-color: #f9fafb;
      border-color: #10b981;
    }

    .tooltip {
      position: relative;
      display: inline-block;
      border-bottom: 1px dotted #6b7280;
      cursor: help;
    }

    .tooltip .tooltiptext {
      visibility: hidden;
      width: 200px;
      background-color: #1f2937;
      color: #fff;
      text-align: center;
      border-radius: 6px;
      padding: 0.5rem;
      position: absolute;
      z-index: 1;
      bottom: 125%;
      left: 50%;
      margin-left: -100px;
      opacity: 0;
      transition: opacity 0.3s;
      font-size: 0.75rem;
    }

    .tooltip:hover .tooltiptext {
      visibility: visible;
      opacity: 1;
    }

    .search-box {
      position: relative;
    }

    .search-box input {
      padding-left: 2.5rem;
    }

    .search-icon {
      position: absolute;
      left: 0.75rem;
      top: 50%;
      transform: translateY(-50%);
      color: #6b7280;
      width: 1rem;
      height: 1rem;
      pointer-events: none;
    }