@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: #f7f5f1;
  --card: #fffefc;
  --line: #e7e2da;
  --line-soft: #f0ece5;
  --ink: #1a1c1e;
  --ink-2: #4a4f55;
  --ink-3: #6b7076;
  --ink-4: #857c6f;
  --calm-bg: #d3ecef; --calm-fg: #1f4f56;
  --mid-bg: #8fc9d1;  --mid-fg: #14343a;
  --busy-bg: #2c6570; --busy-fg: #ffffff;
  --none-bg: #e9e5de; --none-fg: #55595f;
  --sand-d: #6b5b4a;
  --sand-l: #cbbca6;
  --sand-m: #b9ada0;
  --warn: #a8452f;
  --thumb: #ece7df;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body { height: 100%; }

body {
  font-family: 'IBM Plex Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--busy-bg); }
a:hover { color: #1c4750; }

button { font-family: inherit; border: 0; background: none; color: inherit; cursor: pointer; }
input { font-family: inherit; }

/* ---------------------------------------------------------------- 기본 부품 */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.badge {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: 3px 10px; font-size: 11.5px; font-weight: 600; letter-spacing: -.2px;
  white-space: nowrap;
}
.badge.한적 { background: var(--calm-bg); color: var(--calm-fg); }
.badge.보통 { background: var(--mid-bg);  color: var(--mid-fg); }
.badge.혼잡 { background: var(--busy-bg); color: var(--busy-fg); }
.badge.없음 { background: var(--none-bg); color: var(--none-fg); }
.badge.past { opacity: .72; }

.chip {
  border: 1px solid #ddd7cd; background: var(--card); border-radius: 999px;
  padding: 7px 13px; font-size: 12.5px; color: var(--ink-2);
}
.chip:hover { background: #faf7f2; }
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--card); }
.chip.sm { padding: 5px 11px; font-size: 11.5px; }

.tiny { font-size: 11.5px; color: var(--ink-3); line-height: 1.55; }
.ell { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sect { font-size: 14px; font-weight: 600; letter-spacing: -.2px; }
.mono { font-family: 'IBM Plex Mono', ui-monospace, monospace; }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; gap: 10px; }
.between { justify-content: space-between; }

.btn-dark {
  background: var(--ink); color: var(--card); border-radius: 11px;
  padding: 12px 18px; font-size: 14px; font-weight: 600;
}
.btn-line {
  border: 1px solid #ddd7cd; background: var(--card); border-radius: 12px;
  padding: 13px 18px; font-size: 14px; font-weight: 600; color: var(--ink);
}
.btn-line:hover { background: #faf7f2; }

.thumb { background: var(--thumb); border-radius: 9px; flex-shrink: 0; }
.thumb.ph { display: flex; align-items: center; justify-content: center; }

.attribution { font-size: 11.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------- 뼈대 */

#root { height: 100%; }

.shell { height: 100%; display: flex; background: var(--paper); overflow: hidden; }

/* 웹 = 좌측 사이드바 / 앱 = 하단 탭바 */
.sidebar {
  width: 288px; flex-shrink: 0; background: var(--card);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 20px 14px 14px;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 9px; padding: 0 6px 18px; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 10px; background: var(--busy-bg);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.brand .name { font-size: 17px; font-weight: 700; letter-spacing: -.6px; }

.sb-new {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  width: 100%; min-height: 44px; border-radius: 10px;
  background: var(--ink); color: var(--card); font-size: 13.5px; font-weight: 600;
}
.sbhead {
  font-size: 11px; font-weight: 600; color: var(--ink-4); letter-spacing: .4px;
  padding: 0 4px 6px;
}
.sbhead.link { text-decoration: underline; cursor: pointer; }

.navrow {
  display: flex; align-items: center; gap: 10px; min-height: 40px; width: 100%;
  padding: 8px 10px; border-radius: 8px; font-size: 13.5px; color: var(--ink);
  text-align: left;
}
.navrow:hover { background: #f6f2ec; }
.navrow.on { background: var(--thumb); font-weight: 600; }

.sbrow {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 8px 10px; border-radius: 8px; font-size: 13px; text-align: left;
}
.sbrow:hover { background: #f6f2ec; }
.sbrow.on { background: var(--thumb); }
.sbrow .t { font-size: 13px; }
.sbrow.on .t { font-weight: 600; }

.account {
  border-top: 1px solid var(--line-soft); padding-top: 12px;
  display: flex; align-items: center; gap: 10px; margin-top: 12px;
}
.avatar {
  width: 34px; height: 34px; border-radius: 999px; background: var(--thumb);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-btn {
  width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--card); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-btn:hover { background: #f6f2ec; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; }
.scroll { flex: 1; overflow-y: auto; }
.wrap { width: 100%; max-width: 760px; margin: 0 auto; }
.pad { padding: 30px 36px; }

.topbar {
  display: none; align-items: center; gap: 10px;
  padding: 15px 18px 12px; background: var(--card);
  border-bottom: 1px solid var(--line); flex-shrink: 0;
}
.topbar h1 { font-size: 19px; font-weight: 700; letter-spacing: -.6px; }
.topbar .sub { font-size: 11.5px; color: var(--ink-3); }

.tabbar { display: none; background: var(--card); border-top: 1px solid var(--line); flex-shrink: 0; }
.tabbar button {
  flex: 1; padding: 9px 0 12px; display: flex; flex-direction: column;
  align-items: center; gap: 4px; font-size: 10.5px; color: #71767c; min-height: 56px;
}
.tabbar button.on { color: var(--ink); font-weight: 600; }

/* ---------------------------------------------------------------- 대화 */

.msgs { display: flex; flex-direction: column; gap: 13px; }
.msgs .card { width: 100%; }

.web-only { display: block; }
.app-only { display: none; }
.mode-app .web-only { display: none; }
.mode-app .app-only { display: block; }

.bubble-me {
  align-self: flex-end; max-width: 72%; background: var(--ink); color: var(--card);
  padding: 11px 16px; border-radius: 16px 16px 5px 16px; font-size: 14px;
  white-space: pre-wrap; word-break: break-word;
}
.bubble-ai {
  align-self: flex-start; max-width: 84%; background: var(--card);
  border: 1px solid var(--line); border-radius: 16px 16px 16px 5px;
  padding: 13px 16px; font-size: 14px; line-height: 1.7;
}
.bubble-ai p { margin-bottom: 8px; }
.bubble-ai p:last-child { margin-bottom: 0; }
.bubble-ai ul { margin: 4px 0 8px; padding-left: 18px; }
.bubble-ai li { margin-bottom: 3px; }

.ask {
  align-self: flex-start; max-width: 84%; background: var(--card);
  border: 1px solid var(--line); border-left: 3px solid var(--busy-bg);
  border-radius: 4px 14px 14px 4px; padding: 13px 16px;
}

.status { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-3); }
.dot {
  width: 7px; height: 7px; border-radius: 999px; background: var(--busy-bg);
  animation: blink 1s infinite;
}
@keyframes blink { 0%, 100% { opacity: .25 } 50% { opacity: 1 } }

.caret {
  display: inline-block; width: 2px; height: 14px; background: var(--ink);
  vertical-align: -2px; animation: blink .9s infinite;
}

.composer { display: flex; gap: 10px; padding: 0 0 4px; }
.composer input {
  flex: 1; border: 1px solid #ddd7cd; border-radius: 12px; padding: 14px 16px;
  font-size: 14px; background: #fff; color: var(--ink); outline: none; min-width: 0;
}
.composer input:focus { border-color: var(--ink); }
.composer button {
  width: 52px; min-height: 52px; border-radius: 12px; background: var(--ink);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.composer button:disabled { background: #c3bdb2; cursor: default; }

.empty-hero { padding: 8px 0 4px; }
.chips { display: flex; gap: 7px; flex-wrap: wrap; }

.searchbox {
  flex: 1; min-width: 200px; display: flex; align-items: center; gap: 9px;
  border: 1px solid #ddd7cd; border-radius: 12px; padding: 0 15px; background: #fff;
}
.searchbox:focus-within { border-color: var(--ink); }
.searchbox input {
  flex: 1; min-width: 0; border: 0; outline: none; background: none;
  padding: 13px 0; font-size: 14px; color: var(--ink);
}
.searchbox input::placeholder { color: #a9adb2; }
.mode-app .searchbox input { padding: 12px 0; font-size: 13.5px; }

/* ---------------------------------------------------------------- 카드 */

.arow { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; }
.arow.pad { padding: 10px 0; border-top: 1px solid var(--line-soft); }
.arow.pad:first-child { border-top: 0; }
.arow:hover .t { text-decoration: underline; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }

.acard { padding: 12px; text-align: left; width: 100%; }
.acard .ph { height: 96px; border-radius: 9px; background: var(--thumb); margin-bottom: 11px; }

/* 차트 (Chart.js) */
.chartbox { position: relative; width: 100%; margin-top: 10px; }
.chartbox canvas { display: block; }

/* 혼잡도 막대 */
.bars { display: grid; gap: 6px; }
.day {
  display: grid; grid-template-rows: auto var(--barh, 92px) auto; gap: 5px;
  justify-items: center; padding-bottom: 5px; border-bottom: 2px solid transparent;
  min-width: 0;
}
.bars { align-items: end; }
.day.today { border-bottom-color: var(--ink); }
.day .v { font-size: 10px; color: var(--ink-3); }
.day .l { font-size: 10.5px; color: var(--ink-3); }
.day.today .v, .day.today .l { color: var(--ink); font-weight: 600; }
.day .f { width: 100%; align-self: end; border-radius: 4px 4px 0 0; min-height: 3px; }
.f.한적 { background: var(--calm-bg); }
.f.보통 { background: var(--mid-bg); }
.f.혼잡 { background: var(--busy-bg); }

.legend { display: flex; gap: 14px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }

.tri { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.tri > div { text-align: center; padding: 14px 0 11px; border-radius: 10px; background: #f4f0e9; }
.tri .n { font-size: 26px; font-weight: 700; letter-spacing: -.9px; margin-top: 7px; }

.vbars { display: flex; align-items: flex-end; gap: 3px; height: 84px; }
.vbars i { flex: 1; background: var(--sand-m); border-radius: 3px; }
.vbars i.peak { background: var(--sand-d); }

.kv { display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px; font-size: 13.5px; }
.kv dt { color: var(--ink-3); }

.dashed {
  border: 1px dashed #ddd7cd; border-radius: 11px; padding: 18px; text-align: center;
}
.errbox {
  border: 1px solid #e3c3ba; background: #faf0ec; border-radius: 11px;
  padding: 13px 15px; display: flex; align-items: center; gap: 12px;
}

/* ---------------------------------------------------------------- 상세 */

.detail-grid { display: grid; grid-template-columns: 1fr 404px; gap: 26px; align-items: start; }
.detail-right { position: sticky; top: 0; display: flex; flex-direction: column; gap: 14px; }
.detail-left { display: flex; flex-direction: column; gap: 16px; }
/* 앱은 카드가 화면 밖으로 이어지는 가로 캐러셀이라 안에서 스크롤시킨다 */
.gallery { display: flex; gap: 10px; height: 268px; overflow-x: auto; scroll-snap-type: x mandatory; }
.gallery > * { scroll-snap-align: start; }
.scroll { overflow-x: hidden; }
.hero-title { font-size: 30px; font-weight: 700; letter-spacing: -1.2px; }

/* ---------------------------------------------------------------- 관리자 */

.tile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 15px 17px; }
.tile .n { font-size: 26px; font-weight: 700; letter-spacing: -1px; line-height: 1.25; }
.tile .u { font-size: 14px; font-weight: 500; color: var(--ink-3); margin-left: 2px; }

.oprow { display: grid; grid-template-columns: 132px 1fr 96px; gap: 12px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line-soft); }
.track { height: 14px; border-radius: 4px; background: var(--thumb); overflow: hidden; }
.track i { display: block; height: 100%; background: var(--sand-d); }
.track i.warn { background: var(--warn); }

.stack { display: grid; gap: 13px; }
.stack .col { display: grid; grid-template-rows: auto var(--sh, 176px) auto; gap: 7px; justify-items: center; }
.stack .bar { width: 100%; align-self: end; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.stack .bar .a { background: var(--sand-l); border-radius: 4px 4px 0 0; }
.stack .bar .b { background: var(--sand-d); }
.stack .bar .a.alt { background: #eb6834; }

.logrow {
  display: grid; grid-template-columns: 78px 62px 1fr; gap: 10px; padding: 6px 0;
  border-top: 1px solid var(--line-soft); font-size: 12px; align-items: center;
}
.tag {
  display: inline-flex; justify-content: center; min-width: 42px; border-radius: 5px;
  padding: 1px 7px; font-size: 11px; font-weight: 600;
}
.tag.ok { background: #e4ece2; color: #38553a; }
.tag.err { background: #f7e0da; color: #8a3423; }
.tag.dup { background: var(--thumb); color: var(--sand-d); }

.userrow { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--line-soft); }

/* ---------------------------------------------------------------- 로그인 */

.login-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 30px; }
.login-card {
  width: 400px; max-width: 100%; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 34px 32px 28px;
}
.login-mark {
  width: 64px; height: 64px; border-radius: 20px; background: var(--busy-bg);
  display: flex; align-items: center; justify-content: center; margin: 0 auto;
}
.social {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  width: 100%; min-height: 50px; border-radius: 12px;
  font-size: 14.5px; font-weight: 600; letter-spacing: -.2px;
}
.social.google { background: #fff; color: var(--ink); border: 1px solid #ddd7cd; }
.social.kakao  { background: #fee500; color: #191600; }
.social.naver  { background: #03c75a; color: #fff; }
.field {
  width: 100%; border: 1px solid #ddd7cd; border-radius: 10px;
  padding: 11px 13px; font-size: 13.5px; background: #fff; outline: none;
}
.field:focus { border-color: var(--ink); }

/* ---------------------------------------------------------------- 앱 모드 */

.mode-app .sidebar { display: none; }
.mode-app .topbar { display: flex; }
.mode-app .tabbar { display: flex; }
.mode-app .pad { padding: 14px 16px 18px; }
.mode-app .wrap { max-width: none; }
.mode-app .grid3,
.mode-app .grid2,
.mode-app .grid4 { grid-template-columns: 1fr; gap: 10px; }
.mode-app .detail-grid { grid-template-columns: 1fr; gap: 16px; }
.mode-app .detail-right { position: static; }
.mode-app .gallery { height: 168px; }
.mode-app .hero-title { font-size: 22px; letter-spacing: -.8px; }
.mode-app .bubble-me,
.mode-app .bubble-ai { max-width: 88%; font-size: 13.5px; }
.mode-app .composer input { padding: 12px 13px; font-size: 13.5px; }
.mode-app .composer button { width: 46px; min-height: 46px; }
.mode-app .day { --barh: 84px; }
.mode-app .stack .col { --sh: 120px; }
.mode-app .oprow { grid-template-columns: 108px 1fr 82px; gap: 8px; }
.mode-app .login-wrap { padding: 20px 22px; }
.mode-app .login-card { width: 100%; border: 0; padding: 0; background: none; }
@media (max-width: 520px) {
  .auto .login-wrap { padding: 20px 22px; }
  .auto .login-card { width: 100%; border: 0; padding: 0; background: none; }
}

/* 폰 프레임 (mobile.html) */
body.framed {
  background: #22252a;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
body.framed #root {
  width: 390px; height: 844px; max-height: calc(100vh - 40px);
  border-radius: 26px; overflow: hidden; background: var(--paper);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55);
}

/* 좁은 폭의 웹 (지침서 3.3).
 * 앱 레이아웃으로 바꾸지 않는다. 두 레이아웃은 따로 설계된 것이라 서로를
 * 대체하지 않는다. 여기서는 사이드바만 서랍으로 접는다. */
.shell { position: relative; }
.webtop {
  display: none; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--card);
  border-bottom: 1px solid var(--line); flex-shrink: 0;
}
.scrim { display: none; position: absolute; inset: 0; background: rgba(26, 28, 30, .35); z-index: 25; }

@media (max-width: 1000px) {
  .auto .webtop { display: flex; }
  .auto .sidebar {
    position: absolute; left: 0; top: 0; bottom: 0; z-index: 30;
    transform: translateX(-100%); transition: transform .18s ease;
    box-shadow: 0 0 40px rgba(26, 28, 30, .2);
  }
  .auto.drawer .sidebar { transform: none; }
  .auto.drawer .scrim { display: block; }
  .auto .pad { padding: 18px 20px 22px; }
  .auto .grid3, .auto .grid4 { grid-template-columns: 1fr 1fr; }
  .auto .grid2 { grid-template-columns: 1fr; }
  .auto .detail-grid { grid-template-columns: 1fr; gap: 16px; }
  .auto .detail-right { position: static; }
  .auto .gallery { height: 200px; }
  .auto .hero-title { font-size: 24px; letter-spacing: -.9px; }
}
@media (max-width: 640px) {
  .auto .grid3, .auto .grid4 { grid-template-columns: 1fr; }
  .auto .bubble-me, .auto .bubble-ai { max-width: 90%; }
  .auto .oprow { grid-template-columns: 104px 1fr 78px; gap: 8px; }
}

/* 데스크톱 상단의 보기 전환 링크 */
.viewswitch {
  position: fixed; right: 16px; bottom: 16px; z-index: 20;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 15px; font-size: 12.5px; color: var(--ink-2);
  box-shadow: 0 2px 10px rgba(26, 28, 30, .08);
  text-decoration: none;
}
.viewswitch:hover { background: #f6f2ec; color: var(--ink); }
body.framed .viewswitch { position: fixed; }

.demo-note {
  background: var(--thumb); color: #5c5347; font-size: 11.5px;
  padding: 7px 14px; text-align: center; flex-shrink: 0;
}