:root {
  --paper: #f4ede1;
  --paper-2: #ebe2d2;
  --ink: #1c1814;
  --ink-2: #4a4239;
  --ink-3: #8a7f72;
  --rule: #cfc3b0;
  --curtain: #b3261e;
  --curtain-2: #8e1c16;
  --gold: #b88a2c;
  --card: #fbf7ef;
  --shadow: 0 1px 0 rgba(28, 24, 20, .06), 0 10px 30px -18px rgba(28, 24, 20, .45);
  --n-event: #b3261e; --n-venue: #1f4e5f; --n-hall: #4f7f8f; --n-sigungu: #7a6a3a;
  --n-genre: #b88a2c; --n-person: #5b3f7a; --n-org: #3f6b3a;
  --serif: "Gowun Batang", "Nanum Myeongjo", serif;
  --sans: "IBM Plex Sans KR", "Apple SD Gothic Neo", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16130f; --paper-2: #1f1a15; --ink: #f1e9dc; --ink-2: #cfc4b3; --ink-3: #8e8476;
    --rule: #3a322a; --card: #211c17; --curtain: #e0574c; --curtain-2: #c6443a; --gold: #d8ab4c;
    --shadow: 0 1px 0 rgba(0,0,0,.4), 0 12px 30px -16px rgba(0,0,0,.8);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 15px/1.65 var(--sans); -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: anywhere;
  display: flex; flex-direction: column;
}
.evidence__toggle { all: unset; display: flex; align-items: baseline; gap: 8px; cursor: default; }
.evidence__count, .evidence__toggle .chev { display: none; }

/* ---------- stage ---------- */
.stage {
  position: relative; z-index: 1; flex: 1; min-height: 0;
  display: grid; grid-template-columns: auto minmax(0, 1.15fr) minmax(0, 1fr);
}
.chat { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--rule); }
.chat__log { flex: 1; overflow-y: auto; padding: 28px 32px 12px; scroll-behavior: smooth; }

.welcome { margin-top: 8vh; animation: rise .7s ease both; }
.welcome__lead { font: 400 30px/1.3 var(--serif); margin: 0 0 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 12px var(--sans); color: var(--ink); background: var(--card); border: 1px solid var(--rule);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; box-shadow: var(--shadow);
  animation: rise .6s ease both; transition: transform .15s, border-color .15s;
}
.chip:hover { transform: translateY(-1px); border-color: var(--curtain); }

.msg { margin: 0 0 22px; animation: rise .35s ease both; }
.msg--user { display: flex; justify-content: flex-end; }
.msg--user .bubble {
  max-width: 80%; background: var(--ink); color: var(--paper); padding: 10px 16px;
  border-radius: 18px 18px 4px 18px; white-space: pre-wrap;
}
.msg--bot .byline { font: 500 11px/1 var(--mono); letter-spacing: .18em; color: var(--curtain); margin-bottom: 8px; }
.trace { margin: 0 0 10px; }
.trace__summary { list-style: none; display: none; cursor: pointer; font: 11px var(--mono); color: var(--ink-3); width: fit-content; }
.trace__summary::-webkit-details-marker { display: none; }
.trace__summary::before { content: "▸ "; }
.trace[open] .trace__summary::before { content: "▾ "; }
.trace:not(.is-live) .trace__summary { display: block; }
.trace[open]:not(.is-live) .steps { margin-top: 6px; }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.step {
  font: 12px var(--mono); color: var(--ink-2); border: 1px dashed var(--rule); border-radius: 6px;
  padding: 3px 8px; display: inline-flex; gap: 6px; align-items: center;
}
.step::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); animation: pulse 1s infinite; }
.step.is-done::before { background: var(--n-org); animation: none; }
.step.is-err::before { background: var(--curtain); animation: none; }
.answer { font-size: 15px; }

/* 답변 피드백 */
.fb { margin-top: 14px; padding-top: 10px; border-top: 1px dashed var(--rule); }
.fb__row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 13px; color: var(--ink-3); }
.fb__btn { display: inline-flex; align-items: center; gap: 5px; font: 12.5px var(--sans); color: var(--ink-2); background: none;
           border: 1px solid var(--rule); border-radius: 999px; padding: 4px 11px 4px 9px; cursor: pointer; transition: all .15s; }
.fb__btn svg { width: 15px; height: 15px; }
.fb__btn--bad svg { transform: scaleY(-1); }
.fb__share { margin-left: 4px; }
.fb__btn:hover { border-color: var(--ink-3); color: var(--ink); }
.fb__btn--good[aria-pressed="true"] { border-color: var(--n-org); background: var(--n-org); color: var(--paper); }
.fb__btn--bad[aria-pressed="true"] { border-color: var(--curtain); background: var(--curtain); color: var(--paper); }
.fb__see[aria-pressed="true"], .fb__see[aria-pressed="true"]:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); cursor: default; }
.fb__more { font: 12.5px var(--sans); color: var(--ink-3); background: none; border: 0; padding: 4px 2px; cursor: pointer;
            text-decoration: underline; text-underline-offset: 3px; }
.fb__more:hover { color: var(--ink); }
.fb__status { font-size: 12.5px; font-weight: 600; color: var(--curtain); } .fb__status.is-err { color: var(--curtain); font-weight: 500; }
.fb__form { margin-top: 8px; display: grid; gap: 6px; max-width: 560px; }
.fb__form[hidden], .fb__more[hidden] { display: none; }   /* display 지정이 hidden 속성을 덮지 않게 */
.fb__form textarea { font: 14px var(--sans); color: var(--ink); background: var(--card); border: 1px solid var(--rule);
                     padding: 8px 10px; resize: vertical; min-height: 54px; }
.fb__form textarea:focus { outline: 2px solid var(--gold); outline-offset: -1px; }
.fb__actions { display: flex; justify-content: flex-end; gap: 8px; }
.fb__send { font: 600 13px var(--sans); background: var(--ink); color: var(--paper); border: 0; padding: 6px 14px; cursor: pointer; }
.fb__send:disabled { opacity: .5; }
.fb__cancel { font: 13px var(--sans); background: none; border: 0; color: var(--ink-3); cursor: pointer; }
.answer h1, .answer h2, .answer h3 { font-family: var(--serif); line-height: 1.3; margin: 1.1em 0 .4em; }
.answer h3 { font-size: 18px; }
.answer p { margin: .5em 0; }
.answer ul, .answer ol { padding-left: 1.2em; }
.answer li { margin: .2em 0; }
.answer strong { font-weight: 600; }
.answer a { color: var(--curtain); }
.answer table { border-collapse: collapse; margin: .6em 0; font-size: 14px; display: block; max-width: 100%; overflow-x: auto; }   /* 넓은 표는 표 안에서만 가로로 밀린다 */
.answer pre { max-width: 100%; overflow-x: auto; }
.answer th, .answer td { border-bottom: 1px solid var(--rule); padding: 4px 10px; text-align: left; }
.answer.is-streaming::after { content: "▍"; color: var(--curtain); animation: blink 1s steps(2) infinite; }
.error { color: var(--curtain); }

.composer {
  display: flex; gap: 10px; align-items: center; padding: 14px 32px 22px; border-top: 1px solid var(--rule);
  background: linear-gradient(to top, var(--paper) 70%, transparent);
}
.composer textarea {
  flex: 1; resize: none; max-height: 160px; font: 15px/1.5 var(--sans); color: var(--ink);
  background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 12px 14px; box-shadow: var(--shadow);
}
.composer textarea:focus { outline: 2px solid var(--curtain); outline-offset: 1px; }
.composer textarea { overflow-y: hidden; }
/* 스크롤 막대: 입력창·대화·찾은 티켓·상세 서랍 모두 같은 가는 막대 */
.composer textarea, .chat__log, .pane, .drawer__panel { scrollbar-width: thin; scrollbar-color: var(--rule) transparent; }
:is(.composer textarea, .chat__log, .pane, .drawer__panel)::-webkit-scrollbar { width: 6px; }
:is(.composer textarea, .chat__log, .pane, .drawer__panel)::-webkit-scrollbar-track { background: transparent; margin: 8px 0; }
:is(.composer textarea, .chat__log, .pane, .drawer__panel)::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 999px; }
:is(.composer textarea, .chat__log, .pane, .drawer__panel)::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }
.btn-send {
  width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--curtain); color: #fff; cursor: pointer;
  display: grid; place-items: center; transition: background .2s, transform .15s;
}
.btn-send:hover { background: var(--curtain-2); transform: translate(1px, -1px); }
.btn-send:disabled { opacity: .45; cursor: progress; transform: none; }

/* ---------- evidence ---------- */
.evidence { display: flex; flex-direction: column; min-height: 0; background: var(--paper-2); }
.evidence__head {
  display: flex; justify-content: space-between; align-items: center; padding: 18px 28px 12px;
  border-bottom: 1px solid var(--rule);
}
.evidence__head h2 { margin: 0; font: 700 20px var(--serif); }
.tabs { display: flex; gap: 4px; background: var(--paper); border: 1px solid var(--rule); border-radius: 999px; padding: 3px; }
.tab { font: 500 12px var(--sans); color: var(--ink-2); background: none; border: 0; padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.tab.is-on { background: var(--ink); color: var(--paper); }
.tab[hidden] { display: none; }
.evidence__body { flex: 1; min-height: 0; position: relative; }
.pane { position: absolute; inset: 0; overflow-y: auto; padding: 20px 28px; display: none; }
.pane.is-on { display: block; }
.empty { color: var(--ink-3); font-size: 14px; max-width: 34ch; }

.tickets { display: grid; gap: 14px; }
.ticket {
  position: relative; display: grid; grid-template-columns: 1fr 92px; background: var(--card);
  border-radius: 10px; box-shadow: var(--shadow); cursor: pointer; overflow: hidden;
  animation: rise .45s ease both; transition: transform .18s;
}
.ticket:hover { transform: translateY(-2px) rotate(-.3deg); }
/* 왼쪽 색 띠: 테두리가 아니라 카드에 칠한 띠로 (둥근 모서리가 띠를 함께 깎는다) */
.ticket::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: var(--curtain); }
.ticket--venue::before { background: var(--n-venue); }
.ticket__main { padding: 14px 16px 14px 26px; min-width: 0; }
.ticket__kind { font: 500 10px/1 var(--mono); letter-spacing: .18em; color: var(--ink-3); }
.ticket__title { font: 700 17px/1.35 var(--serif); margin: 6px 0 6px; }
.ticket__row { font-size: 13px; color: var(--ink-2); }
.ticket__stub {
  position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px;
  border-left: 2px dashed var(--rule); text-align: center; padding: 8px 6px;
}
.ticket__stub::before, .ticket__stub::after {
  content: ""; position: absolute; left: -9px; width: 16px; height: 16px; border-radius: 50%; background: var(--paper-2);
}
.ticket__stub::before { top: -8px; } .ticket__stub::after { bottom: -8px; }
.ticket__price { font: 600 15px var(--mono); }
.ticket__small { font: 10px var(--mono); color: var(--ink-3); }
.ticket__type { font: 600 14px var(--sans); color: var(--n-venue); }
.badge { display: inline-block; font: 500 10px var(--mono); padding: 1px 6px; border-radius: 4px; background: var(--gold); color: #fff; margin-left: 6px; vertical-align: 2px; }
.badge--rank { background: var(--ink); color: var(--paper); font: 600 10.5px/1.4 var(--sans); letter-spacing: 0; }

.cy { position: absolute; inset: 0; }
.legend { position: absolute; left: 20px; bottom: 14px; margin: 0; padding: 8px 10px; list-style: none; display: flex; flex-wrap: wrap; gap: 10px;
  background: color-mix(in srgb, var(--paper) 85%, transparent); border: 1px solid var(--rule); border-radius: 8px; font: 11px var(--mono); }
.legend li { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* ---------- drawer ---------- */
.drawer { position: fixed; inset: 0; z-index: 10; pointer-events: none; }
.drawer__scrim { position: absolute; inset: 0; background: rgba(20,16,12,.35); opacity: 0; transition: opacity .25s; }
.drawer__panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(480px, 100%); background: var(--card);
  box-shadow: -20px 0 40px -20px rgba(0,0,0,.5); padding: 28px 30px; overflow-y: auto;
  transform: translateX(105%); transition: transform .3s cubic-bezier(.2,.8,.2,1);
}
.drawer.is-open { pointer-events: auto; }
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__close { position: absolute; top: 14px; right: 18px; font-size: 26px; background: none; border: 0; color: var(--ink-2); cursor: pointer; }
.d-kind { font: 500 11px var(--mono); letter-spacing: .18em; color: var(--curtain); }
.d-title { font: 700 24px/1.3 var(--serif); margin: 6px 0 14px; }
/* 상세 패널 포스터: 세로·가로 포스터 모두 잘리지 않게 */
.d-poster { margin: 0 0 16px; display: flex; justify-content: center; background: var(--paper-2); padding: 12px; }
.d-poster img { display: block; max-width: 100%; max-height: 380px; width: auto; height: auto; object-fit: contain;
                box-shadow: 0 1px 0 rgba(28, 24, 20, .08), 0 12px 28px -14px rgba(28, 24, 20, .55); }
.d-grid { display: grid; grid-template-columns: 84px 1fr; gap: 6px 12px; font-size: 14px; margin: 0 0 16px; }
.d-grid dt { color: var(--ink-3); }
.d-grid dd { margin: 0; }
.d-sec { font: 700 14px var(--serif); margin: 18px 0 6px; border-top: 1px solid var(--rule); padding-top: 12px; }
.d-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.d-tag { font-size: 12px; border: 1px solid var(--rule); border-radius: 999px; padding: 2px 9px; }
.d-tag--warn { border-color: var(--gold); }
.d-links a { display: block; color: var(--curtain); font-size: 13px; word-break: break-all; margin: 2px 0; }
.d-note { font-size: 12px; color: var(--ink-3); margin-top: 18px; }
/* 회차: 요일 회차와 시간이 다른 날짜 */
.d-special { margin: -6px 0 16px; padding: 10px 12px; background: var(--paper-2); }
.d-special__note { margin: 0 0 6px; font-size: 12px; color: var(--ink-3); }
.d-special__row + .d-special__row { margin-top: 8px; }
.d-special__days { font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.d-special__times { font-size: 14px; font-weight: 600; color: var(--ink); }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 50% { opacity: .3; } }
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 900px) {

  /* 위에서부터 대화 → 찾은 티켓 → 입력창 (입력창이 맨 아래, 엄지가 닿는 자리). 마크업은 데스크톱 순서 그대로 두고 칸만 바꾼다 */
  .stage { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto auto; }
  .chat { display: contents; }
  .chat__log { grid-row: 1; min-height: 0; }
  .evidence { grid-row: 2; border-top: 1px solid var(--rule); }
  .composer { grid-row: 3; }
  .chat__log, .composer { padding-left: 16px; padding-right: 16px; }
  .chat__log { padding-top: 44px; }   /* 머리말 아래 휘장이 늘어진 만큼 */
  .welcome { margin-top: 2vh; }
  .composer textarea { min-height: 76px; padding-bottom: 18px; font-size: 16px; }   /* 16px 미만이면 아이폰이 입력할 때 화면을 확대해 가로로 흔들린다 */
  .evidence__head { padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
  .evidence__toggle { cursor: pointer; flex: 1 1 100%; }
  .evidence__head .tabs { flex: 0 0 auto; }
  .evidence__toggle h2 { font-size: 17px; }
  .evidence__count { display: inline; font: 12px var(--mono); color: var(--curtain); }
  .evidence__toggle .chev { display: inline-block; margin-left: auto; width: 9px; height: 9px; align-self: center;
    border-right: 2px solid var(--ink-2); border-top: 2px solid var(--ink-2); transform: rotate(-45deg); transition: transform .2s; }
  .evidence:not(.is-open) .tabs, .evidence:not(.is-open) .evidence__body { display: none; }
  /* 펼치면 패널이 휘장 바로 아래(56px)부터 채운다. 그 틈에는 대화 글자가 잘려 보이지 않게 대화를 숨긴다.
     높이를 vh로 정하면 주소창·도구 막대로 화면이 짧은 폰 브라우저에서 대화 칸이 0이 되어
     대화 글자가 패널 머리 위로 비어져 나왔다 (iPhone 사파리·크롬) */
  .stage:has(.evidence.is-open) { grid-template-rows: 56px minmax(0, 1fr) auto; }
  .stage:has(.evidence.is-open) .chat__log { visibility: hidden; }
  .evidence.is-open { min-height: 0; box-shadow: 0 -10px 24px -14px rgba(0, 0, 0, .35); }
  .evidence.is-open .evidence__body { flex: 1; min-height: 0; }
  .evidence.is-open .evidence__toggle .chev { transform: rotate(135deg); }
  .pane { padding-left: 16px; padding-right: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------------- access gate ---------------- */
.gate { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 16px;
  background: rgba(20,16,12,.55); backdrop-filter: blur(3px); }
.gate[hidden] { display: none; }
.gate__card { position: relative; width: min(380px, 100%); background: var(--card); box-shadow: var(--shadow);
  padding: 30px 28px 26px 38px; display: grid; gap: 10px; }
.gate__card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: var(--curtain); }
.gate__kicker { margin: 0; font: 600 11px/1 var(--mono); letter-spacing: .24em; color: var(--curtain); }
.gate__title { margin: 0; font: 700 21px/1.35 var(--serif); color: var(--ink); }
.gate__note { margin: 0 0 6px; font: 14px/1.5 var(--sans); color: var(--ink-3); }
.gate input { font: 16px var(--mono); letter-spacing: .12em; padding: 11px 12px; border: 1px solid var(--rule);
  background: var(--paper); color: var(--ink); border-radius: 0; }
.gate input:focus { outline: 2px solid var(--curtain); outline-offset: -1px; }
.gate__error { margin: 0; min-height: 1.2em; font: 13px var(--sans); color: var(--curtain); }
.gate button { justify-self: start; font: 600 14px var(--sans); padding: 10px 20px; border: 0; cursor: pointer;
  background: var(--ink); color: var(--paper); }

/* ---------------- venue map ---------------- */
.d-map { height: 220px; margin: 4px 0 8px; border: 1px solid var(--rule); background: var(--paper); z-index: 0; }
.d-map .leaflet-tile-pane { filter: sepia(.18) saturate(.85); }
.d-map .leaflet-control-attribution { font: 10px var(--sans); }
.d-pin { background: var(--n-venue); border: 3px solid var(--card); border-radius: 50%; box-shadow: 0 1px 4px rgba(0,0,0,.45); }
@media (prefers-color-scheme: dark) { .d-map .leaflet-tile-pane { filter: brightness(.75) contrast(1.1) sepia(.2); } }

/* 저장한 대화를 이을 때 서버가 앞 맥락을 못 찾은 경우 */
.resume-note { margin: 0 0 8px; font: 12px var(--mono); color: var(--ink-3); }