:root {
  --bg: #0B0F14; --panel: #151C25; --text: #F2F5F8; --muted: #9AA7B5; --accent: #FFC94D; --danger: #FF6B6B;
  --scale: 1;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif; }
body { display: flex; flex-direction: column; height: 100dvh; overflow: hidden; }
/* nowrap 텍스트가 최소 폭을 밀어 올려 화면 밖으로 넘치지 않도록 모든 단계에서 min-width를 0으로 */
.board, .panel, .rows, .row-train, .mid, .statusbar, .statusbar .status, .panel-head, .panel-head .title { min-width: 0; }

.board { flex: 1; display: grid; gap: 8px; padding: 8px; min-height: 0; }
.board.panels-1 { grid-template-columns: 1fr; }
.board.panels-2 { grid-template-columns: 1fr 1fr; }
.board.panels-4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
@media (orientation: portrait) {
  .board.panels-2 { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
}

.panel { background: var(--panel); border-radius: 14px; padding: calc(10px * var(--scale)) calc(16px * var(--scale));
  display: flex; flex-direction: column; min-height: 0; overflow: hidden; container-type: inline-size; }
.panel.empty { align-items: center; justify-content: center; color: var(--muted); font-size: calc(22px * var(--scale)); cursor: pointer; }
.panel-head { display: flex; align-items: center; gap: calc(10px * var(--scale)); border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom: calc(6px * var(--scale)); }
.panel-head .title { font-size: calc(30px * var(--scale)); font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel-head .dir, .panel-head .walk { color: var(--muted); font-size: calc(15px * var(--scale)); }
.panel-head .spacer { flex: 1; }
.panel-head .bell { color: var(--accent); font-size: calc(15px * var(--scale)); }

.rows { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr); grid-auto-rows: 1fr; min-height: 0; }
.row-train { display: flex; align-items: center; gap: calc(12px * var(--scale)); padding: 0 calc(6px * var(--scale)); border-radius: 10px; min-height: 0; }
.row-train.missed { opacity: .55; }
.row-train.flash { animation: rowflash .7s ease-in-out infinite alternate; cursor: pointer; }
@keyframes rowflash { from { background: color-mix(in srgb, var(--line) 25%, var(--panel)); } to { background: var(--line); } }
.badge { flex: none; width: calc(34px * var(--scale)); height: calc(34px * var(--scale)); border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: calc(17px * var(--scale)); }
.badge.long { font-size: calc(11px * var(--scale)); }
.mid { flex: 1; min-width: 0; }
.dest { font-size: calc(25px * var(--scale)); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 6px; }
.dest > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.tag { font-size: calc(11px * var(--scale)); font-weight: 700; padding: 1px 5px; border-radius: 4px; color: #fff; line-height: 1.4; }
.tag.express { background: #E53935; } .tag.last { background: #FB8C00; }
.loc { color: var(--muted); font-size: calc(16px * var(--scale)); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.right { flex: none; text-align: right; }
.eta { font-size: calc(40px * var(--scale)); font-weight: 900; line-height: 1.05; white-space: nowrap; }
.eta.soon { color: var(--accent); }
.leave { font-size: calc(14px * var(--scale)); font-weight: 700; color: var(--muted); white-space: nowrap; }
.leave.now { color: var(--accent); }
.panel-foot { display: flex; gap: 8px; color: var(--muted); font-size: calc(12px * var(--scale)); padding-top: 4px; }
.panel-foot .err { color: var(--danger); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel-foot .upd { margin-left: auto; white-space: nowrap; }
.placeholder { display: grid; place-items: center; color: var(--muted); font-size: calc(19px * var(--scale)); }

.statusbar { display: flex; align-items: center; gap: 12px; padding: 4px 14px; font-size: 13px; color: var(--muted); }
.statusbar .status { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.statusbar .status.danger { color: var(--danger); }
.clock { color: var(--text); font-weight: 600; font-size: 16px; white-space: nowrap; }
.credit { padding: 0 14px 6px; font-size: 11px; color: #5f6b78; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chip { background: #263241; color: var(--text); border: 0; border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer; white-space: nowrap; }
.chip:hover { background: #31405299; }
.chip.primary { background: #4FC3F7; color: #000; font-weight: 700; }
.chip.search { padding: 4px 10px; }
.icon { background: none; border: 0; color: var(--text); font-size: 20px; cursor: pointer; }

.settings { background: #111820; color: var(--text); border: 0; border-radius: 16px; width: min(900px, 96vw); max-height: 92dvh; padding: 0; }
.settings::backdrop { background: rgba(0,0,0,.6); }
.settings form { display: flex; flex-direction: column; max-height: 92dvh; }
.settings header, .settings footer { display: flex; align-items: center; gap: 10px; padding: 14px 20px; }
.settings header h2 { margin: 0; flex: 1; font-size: 20px; }
.settings section { padding: 6px 20px 14px; overflow: auto; }
.settings form > section { flex: 0 0 auto; }
.settings form { overflow: auto; }
.settings h3 { margin: 10px 0 6px; font-size: 16px; }
.settings .hint { color: var(--muted); font-size: 13px; margin: 4px 0 10px; }
.settings label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.settings label.row, .settings .row label { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: 14px; margin: 6px 0; }
.settings .row { display: flex; gap: 20px; }
.settings input[type=text], .settings input[type=number], .settings input[type=time], .settings select {
  background: #1b2430; color: var(--text); border: 1px solid #34424f; border-radius: 8px; padding: 8px 10px; font-size: 15px; width: 100%; }
.settings .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.settings .grid2 .wide { grid-column: 1 / -1; }
.settings .inline { display: flex; gap: 8px; }
.settings .search-results { display: flex; flex-direction: column; gap: 4px; }
.settings .search-results button { text-align: left; background: #1b2430; border: 1px solid #34424f; color: var(--text); border-radius: 8px; padding: 6px 10px; cursor: pointer; }
.settings .search-results .err { color: var(--danger); font-size: 12px; }
.panel-editor { border: 1px solid #2a3542; border-radius: 12px; padding: 10px 14px 12px; margin: 10px 0; }
.panel-editor legend { color: var(--text); font-weight: 700; padding: 0 6px; }
.seg { display: flex; border: 1px solid #34424f; border-radius: 999px; overflow: hidden; }
.seg label { flex: 1; }
.seg input { display: none; }
.seg span { display: block; text-align: center; padding: 9px; color: var(--text); font-size: 14px; cursor: pointer; }
.seg input:checked + span { background: #4a4560; font-weight: 700; }
.spacer { flex: 1; }
@media (max-width: 700px) { .settings .grid2 { grid-template-columns: 1fr; } }

.placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: calc(10px * var(--scale)); }
.placeholder .next { display: flex; align-items: center; gap: calc(10px * var(--scale)); color: var(--text); }
.placeholder .next b { font-size: calc(26px * var(--scale)); }
.placeholder .next span { color: var(--muted); font-size: calc(17px * var(--scale)); }
.placeholder .ph-note { color: var(--muted); font-size: calc(14px * var(--scale)); text-align: center; }
.settings a { color: #4FC3F7; }
.placeholder .ph-note.warn { color: var(--accent); }