:root {
    --bg: #0f172a;
    --card: #111827;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #22d3ee;
    --accent-2: #60a5fa;
    --danger: #ef4444;
    --ok: #10b981;
    --border: #1f2937;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html,
  body {
    margin: 0;
    padding: 0;
    background: linear-gradient(160deg, #0f172a, #0b1020);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI,
      Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
    line-height: 1.5;
  }
  
  .container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
  }
  
  header.container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  h1 {
    font-size: 1.6rem;
    margin: 0;
  }
  
  .pill {
    background: rgba(96, 165, 250, 0.15);
    color: var(--accent-2);
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
    border: 1px solid rgba(96, 165, 250, 0.4);
  }
  
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
  }
  
  .card {
    background: linear-gradient(180deg, #0e1322, #0a0f1d);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }
  
  .card h2 {
    margin-top: 0;
    font-size: 1.1rem;
  }
  
  form {
    display: grid;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
  }
  
  .row {
    display: grid;
  }
  
  input,
  button {
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0b1222;
    color: var(--text);
    outline: none;
  }
  
  input::placeholder {
    color: var(--muted);
  }
  
  button {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #0b1020;
    font-weight: 700;
    letter-spacing: 0.2px;
    border: none;
    cursor: pointer;
    transition: filter 120ms ease;
  }
  
  button:hover {
    filter: brightness(1.1);
  }
  
  .list {
    list-style: none;
    padding-left: 0;
    margin: 0.4rem 0 0 0;
  }
  
  .list li {
    padding: 0.45rem 0.25rem;
    border-bottom: 1px solid var(--border);
  }
  
  .badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    font-size: 0.8rem;
    margin-left: 0.4rem;
    background: rgba(16, 185, 129, 0.12);
    color: var(--ok);
    border: 1px solid rgba(16, 185, 129, 0.3);
  }
  
  .error {
    color: var(--danger);
  }

#top10 li strong:first-child {
    display: inline-block;
    width: 1.5rem;
    color: var(--accent-2);
  }