.korail-layout {
    display: grid;
    grid-template-columns: 24rem 1fr;
    gap: 1rem;
  }
  @media (max-width: 68rem) {
    .korail-layout { grid-template-columns: 1fr; }
    .left-column { grid-template-rows: auto; }
  }
  .left-column {
    display: grid;
    grid-template-rows: 1fr;
    gap: 1rem;
    align-content: stretch;
  }
  @media (max-width: 68rem) {
    .left-column { grid-template-rows: auto auto; }
  }
  .korail-form {
    display: grid;
    gap: 0.75rem;
  }
  .field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }
  .field {
    display: grid;
    gap: 0.35rem;
  }
  .field label {
    color: var(--muted);
    font-size: 0.78rem;
  }
  .field input, .field select {
    width: 100%;
    background: #0f1521;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.55rem 0.65rem;
    font-size: 0.88rem;
  }
  .check-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    color: var(--text);
    font-size: 0.82rem;
  }
  .check-row label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }
  .actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  .session-box {
    display: grid;
    gap: 0.65rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
  }
  .session-status {
    min-height: 1.2rem;
    color: var(--muted);
    font-size: 0.82rem;
  }
  .korail-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .admin-password {
    width: 10.5rem;
    min-height: 38px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    padding: 0.45rem 0.6rem;
  }
  .session-status.on { color: var(--success); }
  .session-status.error { color: var(--error); }
  .table-wrap {
    overflow: auto;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
  }
  th, td {
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 0.5rem;
    text-align: left;
    white-space: nowrap;
  }
  th {
    color: var(--muted);
    font-weight: 600;
    background: rgba(15, 21, 33, 0.7);
  }
  tr.selected {
    background: rgba(255, 120, 75, 0.12);
  }
  .status {
    min-height: 1.25rem;
    color: var(--muted);
    font-size: 0.84rem;
  }
  .status.error { color: var(--error); }
  .status.ok { color: var(--success); }
  .seat-tags {
    display: flex;
    gap: 0.25rem;
  }
  .seat-tag {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.12rem 0.42rem;
    color: var(--muted);
    font-size: 0.72rem;
  }
  .seat-tag.on {
    color: var(--accent-2);
    border-color: rgba(45, 212, 191, 0.45);
    background: rgba(45, 212, 191, 0.12);
  }
  .watch-box {
    display: grid;
    gap: 0.65rem;
    margin-top: 0.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }
  .watch-meta {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.35;
  }
  .watch-card {
    display: grid;
    gap: 0.35rem;
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    padding: 0.65rem;
    background: rgba(15, 21, 33, 0.45);
    font-size: 0.82rem;
  }
  .watch-card .top {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    align-items: center;
  }
  .panel .top {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
  }
  .watch-status {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 0.12rem 0.45rem;
    color: var(--muted);
    font-size: 0.72rem;
  }
  .watch-status.running { color: var(--accent-2); border-color: rgba(45, 212, 191, 0.45); }
  .watch-status.found, .watch-status.reserved { color: var(--success); border-color: rgba(74, 222, 128, 0.45); }
  .watch-status.error, .watch-status.exhausted { color: var(--error); border-color: rgba(248, 113, 113, 0.45); }
  @media (max-width: 44rem) {
    .korail-layout, .left-column, .stack { min-width: 0; }
    .korail-actions { display: grid; grid-template-columns: 1fr auto; width: 100%; }
    .admin-password { width: 100%; }
    .field-grid { grid-template-columns: 1fr; }
    .field input, .field select { min-height: 44px; padding: 0.7rem 0.75rem; }
    .check-row { display: grid; grid-template-columns: 1fr; gap: 0.55rem; }
    .check-row label { min-height: 36px; }
    .actions { display: grid; grid-template-columns: 1fr 1fr; }
    .actions .btn { width: 100%; }
    .session-box .actions { grid-template-columns: 1fr 1fr; }
    #selected-pill {
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      text-align: center;
    }
    .table-wrap { overflow: visible; padding: 0.65rem !important; }
    table, tbody, tr, td { display: block; width: 100%; }
    thead { display: none; }
    tbody { display: grid; gap: 0.65rem; }
    tbody tr {
      border: 1px solid var(--border);
      border-radius: 0.7rem;
      padding: 0.55rem 0.65rem;
      background: rgba(15, 21, 33, 0.38);
    }
    tbody tr.selected { border-color: var(--accent); }
    tbody td {
      display: grid;
      grid-template-columns: 5.75rem minmax(0, 1fr);
      gap: 0.65rem;
      align-items: center;
      border: 0;
      padding: 0.38rem 0;
      white-space: normal;
      overflow-wrap: anywhere;
    }
    tbody td::before {
      content: attr(data-label);
      color: var(--muted);
      font-size: 0.74rem;
      font-weight: 600;
    }
    tbody td[colspan] { display: block; text-align: center; }
    tbody td[colspan]::before { content: none; }
    .seat-tags { flex-wrap: wrap; }
    .watch-meta { line-height: 1.55; }
  }