:root {
    --bg: #0f0f13;
    --surface: #1a1a22;
    --surface2: #22222e;
    --border: #2e2e3e;
    --accent: #7c6af7;
    --accent2: #a78bfa;
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
    --text: #e2e2f0;
    --text2: #8888aa;
    --radius: 12px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body { background: var(--bg); color: var(--text); font-family: -apple-system, 'Segoe UI', sans-serif; min-height: 100vh; }

  #app { display: flex; flex-direction: column; height: 100vh; }
  header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 14px 20px; display: flex; align-items: center; gap: 12px; }
  header h1 { font-size: 18px; font-weight: 700; }
  header .back-btn { color: var(--text2); cursor: pointer; font-size: 20px; line-height: 1; }
  header .back-btn:hover { color: var(--text); }

  .main { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

  #screen-list { padding: 20px; overflow-y: auto; flex: 1; }
  .event-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
  .event-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px; cursor: pointer; transition: border-color .15s;
    display: flex; justify-content: space-between; align-items: center;
  }
  .event-card:hover { border-color: var(--accent); }
  .event-card .info h3 { font-size: 15px; font-weight: 600; }
  .event-card .info small { color: var(--text2); font-size: 12px; margin-top: 4px; display: block; }
  .event-card .meta { text-align: right; }
  .event-card .meta .count { font-size: 22px; font-weight: 700; color: var(--accent2); }
  .event-card .meta small { color: var(--text2); font-size: 11px; }

  .tabs { display: flex; background: var(--surface); border-bottom: 1px solid var(--border); }
  .tab { flex: 1; padding: 13px 8px; text-align: center; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text2); border-bottom: 2px solid transparent; transition: all .15s; }
  .tab.active { color: var(--accent2); border-bottom-color: var(--accent); }
  .tab-pane { display: none; flex: 1; overflow-y: auto; padding: 16px; }
  .tab-pane.active { display: block; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
    cursor: pointer; border: none; transition: opacity .15s;
  }
  .btn:hover { opacity: .85; }
  .btn:active { opacity: .7; }
  .btn-primary { background: var(--accent); color: #fff; }
  .btn-danger  { background: var(--red); color: #fff; }
  .btn-ghost   { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
  .btn-green   { background: var(--green); color: #111; }
  .btn-sm { padding: 6px 11px; font-size: 12px; }

  .badge {
    display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600;
  }
  .badge-미도착 { background: var(--surface2); color: var(--text2); }
  .badge-도착  { background: #14532d; color: var(--green); }
  .badge-귀가  { background: #1e1b4b; color: #a5b4fc; }
  .badge-newbie { background: #451a03; color: var(--yellow); }
  .badge-prepaid { background: #064e3b; color: var(--green); }
  .badge-car { background: #1e3a5f; color: #93c5fd; }
  .badge-pickup { background: #3b1f1f; color: #fca5a5; }
  .badge-verify { background: #3f2d00; color: #fbbf24; border: 1px dashed #fbbf24; cursor: pointer; }

  .section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
  .section-header h2 { font-size: 15px; font-weight: 700; }

  .participant-grid { display: flex; flex-direction: column; gap: 8px; }
  .participant-row {
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    padding: 12px 14px; display: flex; align-items: flex-start; gap: 10px;
  }
  .participant-row .nick { font-weight: 700; font-size: 14px; min-width: 36px; }
  .participant-row .badges { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
  .participant-row .actions { display: flex; gap: 6px; margin-left: auto; }

  .round-bar {
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 12px;
  }
  .round-num { font-size: 24px; font-weight: 800; color: var(--accent2); }
  .round-info { flex: 1; }
  .round-info small { color: var(--text2); font-size: 12px; }

  .attendance-grid { display: flex; flex-direction: column; gap: 6px; }
  .attendance-row {
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    padding: 10px 14px; display: flex; align-items: center; gap: 10px;
  }
  .attendance-row.status-도착 { border-color: #166534; }
  .attendance-row.status-귀가 { opacity: .55; }
  .attendance-row .nick { font-weight: 700; min-width: 36px; }
  .attendance-row .round-tags { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
  .round-tag { background: var(--surface2); border-radius: 4px; padding: 1px 7px; font-size: 11px; }
  .round-tag.active { background: var(--accent); color: #fff; }
  .attendance-row .actions { display: flex; gap: 6px; margin-left: auto; }

  .modal-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex;
    align-items: flex-end; justify-content: center; z-index: 100;
    opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  .modal-backdrop.open { opacity: 1; pointer-events: all; }
  .modal {
    background: var(--surface); border-radius: 20px 20px 0 0; padding: 24px 20px 32px;
    width: 100%; max-width: 520px; max-height: 85vh; overflow-y: auto;
    transform: translateY(40px); transition: transform .2s;
  }
  .modal-backdrop.open .modal { transform: translateY(0); }
  .modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 18px; }
  .form-row { margin-bottom: 14px; }
  .form-row label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 6px; }
  .form-row input[type=text], .form-row input[type=time] {
    width: 100%; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); padding: 10px 12px; font-size: 14px;
  }
  .form-row input:focus { outline: none; border-color: var(--accent); }
  .checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; }
  .toggle-chip {
    padding: 7px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
    cursor: pointer; border: 1px solid var(--border); background: var(--surface2); color: var(--text2);
    transition: all .15s; user-select: none;
  }
  .toggle-chip.on { border-color: var(--accent); background: var(--accent); color: #fff; }
  .rounds-select { display: flex; gap: 6px; flex-wrap: wrap; }
  .round-chip {
    width: 36px; height: 36px; border-radius: 8px; font-size: 13px; font-weight: 700;
    cursor: pointer; border: 1px solid var(--border); background: var(--surface2); color: var(--text2);
    display: flex; align-items: center; justify-content: center; transition: all .15s;
  }
  .round-chip.on { border-color: var(--accent); background: var(--accent); color: #fff; }
  .modal-actions { display: flex; gap: 8px; margin-top: 20px; }
  .modal-actions .btn { flex: 1; padding: 12px; }

  .sub-tabs { display: flex; gap: 4px; background: var(--surface2); border-radius: 10px; padding: 4px; margin-bottom: 14px; }
  .sub-tab { flex: 1; padding: 8px 10px; text-align: center; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text2); border-radius: 7px; transition: all .15s; }
  .sub-tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.35); }

  .filter-bar { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
  .filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
  .filter-chip {
    padding: 5px 13px; border-radius: 20px; font-size: 12px; font-weight: 600;
    cursor: pointer; border: 1px solid var(--border); background: var(--surface2); color: var(--text2);
    transition: all .15s; user-select: none;
  }
  .filter-chip.active { border-color: var(--accent); background: var(--accent); color: #fff; }
  .search-input {
    width: 100%; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); padding: 8px 12px; font-size: 14px;
  }
  .search-input:focus { outline: none; border-color: var(--accent); }

  .settlement-preview { background: var(--surface2); border-radius: 10px; padding: 16px; font-size: 13px; line-height: 1.8; white-space: pre-wrap; color: var(--text); }

  .empty { text-align: center; color: var(--text2); padding: 40px 20px; font-size: 14px; }
  .stat-row { display: flex; gap: 10px; margin-bottom: 14px; }
  .stat-box { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
  .stat-box .val { font-size: 22px; font-weight: 800; }
  .stat-box small { color: var(--text2); font-size: 11px; }

  .pickup-section { margin-top: 20px; }
  .car-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px 16px; margin-bottom: 10px;
  }
  .car-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
  .car-card-header .driver { font-weight: 700; font-size: 15px; }
  .car-card-header .car-meta { color: var(--text2); font-size: 12px; flex: 1; }
  .car-card-header .seats-count { font-size: 12px; font-weight: 600; color: var(--accent2); }
  .passenger-slots { display: flex; flex-wrap: wrap; gap: 6px; }
  .passenger-slot {
    padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
    background: var(--surface2); border: 1px dashed var(--border); color: var(--text2);
    cursor: pointer;
  }
  .passenger-slot.filled { background: #1e3a5f; border-color: #3b82f6; border-style: solid; color: #93c5fd; }
  .passenger-slot.filled:hover { background: #3b1f1f; border-color: var(--red); color: #fca5a5; }
  .unassigned-section { margin-top: 10px; }
  .unassigned-section h4 { font-size: 12px; color: var(--text2); margin-bottom: 6px; }
  .unassigned-chips { display: flex; flex-wrap: wrap; gap: 6px; }
  .unassigned-chip {
    padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
    background: var(--surface2); border: 1px solid var(--border); color: var(--text);
    cursor: pointer; transition: all .15s;
  }
  .unassigned-chip:hover { border-color: var(--accent); color: var(--accent2); }

  .stop-row { border-left: 2px solid var(--border); padding-left: 12px; margin-bottom: 10px; }
  .stop-row:last-child { margin-bottom: 0; }
  .stop-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
  .stop-time { font-size: 13px; font-weight: 700; color: var(--accent2); min-width: 42px; }
  .stop-location { font-size: 13px; color: var(--text); flex: 1; }
  .stop-del { color: var(--text2); font-size: 12px; cursor: pointer; padding: 2px 6px; border-radius: 4px; }
  .stop-del:hover { background: var(--surface2); color: var(--red); }
  .stop-passengers { display: flex; flex-wrap: wrap; gap: 5px; }
  .add-stop-btn { color: var(--text2); font-size: 12px; cursor: pointer; padding: 4px 10px; border-radius: 6px; border: 1px dashed var(--border); background: none; margin-top: 8px; display: inline-block; }
  .add-stop-btn:hover { border-color: var(--accent); color: var(--accent2); }
  .car-full-badge { font-size: 11px; font-weight: 700; color: var(--red); background: #3b1f1f; padding: 2px 8px; border-radius: 20px; }
  .inline-stop-form { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
  .inline-stop-form input { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: 6px 10px; font-size: 12px; }
  .inline-stop-form input:focus { outline: none; border-color: var(--accent); }