main { max-width: var(--content-max-width, 1280px); margin: 0 auto; padding: 36px 24px; }
  .hero-label { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 6px; }
  h1 { font-size: 24px; font-weight: 600; letter-spacing: -.5px; margin-bottom: 8px; }
  .subtitle { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 28px; }

  .decoder-input-wrap { margin-bottom: 24px; }
  .decoder-input-row { display: flex; gap: 10px; }
  .auto-detect-note { font-size: 11px; color: var(--brass); margin-top: 4px; display: none; }
  .auto-detect-note.visible { display: block; }
  .decoder-input-row select { font-family: 'DM Sans', sans-serif; font-size: 14px; padding: 12px 14px; border: 2px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text); outline: none; min-width: 140px; }
  .decoder-input-row input { flex: 1; padding: 12px 16px; font-family: 'DM Sans', sans-serif; font-size: 15px; border: 2px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text); outline: none; transition: border-color .15s; }
  .decoder-input-row input:focus { border-color: var(--brass); }
  @media (max-width: 520px) { .decoder-input-row { flex-direction: column; } }

  .decode-result { display: none; }
  .decode-result.visible { display: block; }

  .decode-card { background: var(--surface); border: 2px solid var(--brass); border-radius: 16px; padding: 24px; margin-bottom: 20px; }
  .decode-brand { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 12px; }
  .decode-segments { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
  .decode-seg { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; }
  .decode-seg-char { font-family: 'DM Mono', monospace; font-size: 32px; font-weight: 600; padding: 8px 16px; border-radius: 10px; line-height: 1; min-width: 48px; text-align: center; }
  .decode-seg-label { font-size: 11px; font-weight: 500; color: var(--muted); text-align: center; max-width: 120px; line-height: 1.3; }
  .decode-connector { align-self: center; font-size: 20px; color: var(--border2); padding: 0 2px; margin-top: -8px; }

  .decode-details { display: flex; flex-direction: column; gap: 10px; }
  .decode-detail { padding: 10px 14px; background: var(--faint); border-radius: 10px; }
  .decode-detail-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
  .decode-detail-text { font-size: 13px; color: var(--muted); line-height: 1.5; }

  .decode-note { margin-top: 16px; padding: 12px 16px; background: var(--brass-l); border-radius: 10px; font-size: 12px; color: var(--brass-d); line-height: 1.5; }
  .decode-note strong { font-weight: 600; }

  .decode-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

  .quick-examples { margin-top: 36px; }
  .quick-examples h2 { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); margin-bottom: 14px; }
  .example-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
  .example-chip { padding: 12px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; transition: .15s; }
  .example-chip:hover { border-color: var(--brass); background: var(--brass-l); }
  .example-chip-name { font-weight: 600; font-size: 14px; }
  .example-chip-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

  .inversion-warning { margin-top: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
  .inversion-warning h2 { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
  .inversion-table { width: 100%; border-collapse: collapse; font-size: 13px; }
  .inversion-table th { text-align: left; padding: 8px 12px; background: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
  .inversion-table td { padding: 8px 12px; border-bottom: 1px solid var(--faint); }
  .inversion-table .dir { font-weight: 600; }
  .inversion-table .dir.down { color: #B03C3C; }
  .inversion-table .dir.up { color: #2E7D52; }