:root {
  --navy: #0d2a5d;
  --blue: #1e63d6;
  --blue-weak: #eaf2ff;
  --mint: #3f9b82;
  --mint-weak: #e6f5ee;
  --amber: #d88b11;
  --amber-weak: #fff3dc;
  --ink: #17243c;
  --muted: #69758a;
  --line: #d9dee7;
  --line-strong: #c6ceda;
  --surface: #ffffff;
  --canvas: #f7f9fc;
  --shadow: 0 5px 14px rgb(23 36 60 / 10%);
  --radius: 8px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { min-width: 0; margin: 0; background: #fff; }

body { min-height: 100vh; font-size: 14px; line-height: 1.45; }

button, input, select { font: inherit; }

button, select { cursor: pointer; }

button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible {
  outline: 3px solid rgb(30 99 214 / 38%);
  outline-offset: 2px;
}

dialog:focus-visible { outline: none; }

.app-header {
  height: 67px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 0 22px;
}

.menu-button, .utility-button {
  appearance: none;
  border: 0;
  color: var(--navy);
  background: transparent;
}

.menu-button { font-size: 26px; line-height: 1; padding: 6px 2px; }

.brand { color: var(--navy); text-decoration: none; font-size: clamp(18px, 1.8vw, 27px); font-weight: 800; letter-spacing: -1.4px; }

.utility-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; font-weight: 650; }

.utility-nav a, .utility-button { color: #27364f; text-decoration: none; white-space: nowrap; }
.auth-status { color: var(--muted); font-size: 11px; font-weight: 600; }
.auth-action { border: 1px solid #9eb8e8; border-radius: 999px; color: #164fbc; padding: 5px 9px; font-size: 12px; font-weight: 750; }

.app-shell { display: grid; grid-template-columns: minmax(430px, 40%) minmax(0, 60%); min-height: calc(100vh - 111px); }

.rail { min-width: 0; border-right: 1px solid var(--line-strong); background: #fff; }

.steps { list-style: none; margin: 0; padding: 14px 22px; display: flex; align-items: center; gap: 13px; color: #7e899a; font-weight: 700; border-bottom: 1px solid var(--line); }

.steps li { display: flex; align-items: center; gap: 7px; white-space: nowrap; }

.steps li + li::before { content: ""; width: clamp(18px, 3vw, 46px); height: 1px; background: var(--line-strong); margin-right: 3px; }

.steps span { width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; }

.steps .is-active { color: var(--navy); }
.steps .is-active span { color: #fff; border-color: var(--blue); background: var(--blue); }

.input-section, .results-panel { padding: 18px 20px; }

.input-section h1, .section-heading h2, .route-heading h2 { margin: 0; color: var(--navy); letter-spacing: -0.7px; }
.input-section h1 { font-size: 19px; margin-bottom: 16px; }

.input-section form { display: grid; gap: 13px; }

label { display: grid; gap: 6px; font-weight: 700; color: #2a3851; }

input, select {
  width: 100%; min-width: 0; min-height: 39px; border: 1px solid var(--line); border-radius: 7px;
  background: #fff; color: var(--ink); padding: 8px 10px; box-shadow: inset 0 1px 1px rgb(20 35 60 / 2%);
}

input::placeholder { color: #9aa4b3; }

.search-filter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; padding: 9px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcff; }
.search-filter-grid label { gap: 4px; color: var(--muted); font-size: 11px; }
.search-filter-grid select { min-height: 32px; padding: 5px 7px; font-size: 12px; }
.facet-feedback { display: grid; justify-items: start; gap: 5px; }
.facet-status { min-height: 17px; margin: 0; color: var(--muted); font-size: 11px; }

.field-search { position: relative; display: grid; gap: 6px; }
.field-label-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.filter-toggle { border: 0; background: transparent; color: #2863bc; padding: 0; font-size: 12px; font-weight: 750; text-decoration: underline; text-underline-offset: 2px; }
.field-note { min-height: 18px; margin: -1px 0 0; color: var(--muted); font-size: 12px; font-weight: 500; }
.search-actions { min-height: 0; display: flex; flex-wrap: wrap; gap: 7px; }
.secondary-action { min-height: 30px; border: 1px solid #9eb8e8; border-radius: 6px; color: #164fbc; background: #fff; padding: 4px 9px; font-size: 12px; font-weight: 750; }

.suggestions {
  position: relative; z-index: 10; max-height: 225px; overflow: auto;
  margin: 0; padding: 4px; list-style: none; border: 1px solid #b9c9e4; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
}

.suggestions [role="option"] { display: grid; gap: 3px; padding: 9px 10px; border-radius: 5px; color: #25334b; font-size: 13px; cursor: pointer; }
.suggestions [role="option"]:hover, .suggestions [aria-selected="true"] { background: var(--blue-weak); color: var(--navy); }
.suggestion-primary { overflow-wrap: anywhere; font-size: 13px; }
.suggestion-secondary { overflow-wrap: anywhere; color: var(--muted); font-size: 11px; }

.schedule-fields { margin: 0; padding: 12px; display: grid; gap: 12px; border: 1px solid var(--line); border-radius: var(--radius); }
.schedule-fields > legend { padding: 0 5px; color: var(--navy); font-weight: 800; }
.date-time-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.date-time-field { display: grid; gap: 6px; }
.date-time-field > strong, .duration-control > strong { color: #2a3851; font-size: 13px; }
.date-time-grid label, .duration-inputs label { gap: 3px; color: var(--muted); font-size: 11px; }
.inline-controls { display: grid; grid-template-columns: minmax(0, 1fr) 120px; gap: 7px; }
.duration-control { display: grid; gap: 7px; }
.duration-inputs { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 7px; }
.duration-quick { display: flex; flex-wrap: wrap; gap: 5px; }
.duration-quick button { min-height: 30px; border: 1px solid #9eb8e8; border-radius: 999px; color: #164fbc; background: #fff; padding: 4px 9px; font-size: 12px; font-weight: 750; }
.trip-patterns { display: grid; gap: 7px; margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 6px; }
.trip-patterns legend { padding: 0 4px; color: #2a3851; font-size: 13px; font-weight: 800; }
.trip-patterns label { display: flex; align-items: flex-start; gap: 7px; color: #3c4a60; font-size: 12px; font-weight: 700; }
.trip-patterns input { width: 16px; min-height: 16px; margin: 1px 0 0; accent-color: var(--blue); }
.trip-patterns small { color: var(--muted); font-size: 11px; font-weight: 500; }

.policy-disclosure { display: grid; gap: 5px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcff; }
.policy-disclosure strong { color: var(--navy); font-size: 13px; }
.policy-badge { width: fit-content; border: 1px solid #9eb8e8; border-radius: 999px; background: var(--blue-weak); padding: 3px 8px; }
.policy-disclosure span { color: var(--muted); font-size: 12px; font-weight: 500; }

.vehicle-assumptions { margin: 0; padding: 12px; display: grid; gap: 9px; border: 1px solid var(--line); border-radius: var(--radius); }
.vehicle-assumptions legend { padding: 0 5px; color: var(--navy); font-weight: 800; }
.vehicle-assumptions legend span { color: var(--muted); font-weight: 500; }
.vehicle-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.vehicle-grid label { color: #3c4a60; font-size: 12px; }
.vehicle-grid input, .vehicle-grid select { min-height: 36px; padding: 6px 8px; }

.check-line { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); font-weight: 600; }
.check-line input { width: 16px; min-height: 16px; }

.form-error { margin: 0; padding: 8px 10px; color: #a32b25; border-left: 3px solid #d94a40; background: #fff1f0; font-size: 13px; }

.primary-button { min-height: 50px; border: 1px solid #154fae; border-radius: 7px; color: #fff; background: linear-gradient(135deg, #1557bd, #123f85); box-shadow: 0 3px 7px rgb(17 62 129 / 22%); font-size: 17px; font-weight: 800; }
.primary-button:hover { background: #0e438f; }
.primary-button:disabled { cursor: not-allowed; opacity: .7; }

.results-panel { border-top: 1px solid var(--line); background: #fbfcff; }
.section-heading, .route-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.section-heading h2, .route-heading h2 { font-size: 16px; }
.coverage-status { color: #237252; font-size: 12px; font-weight: 800; }

.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.summary-card { min-width: 0; padding: 11px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.summary-card h3 { margin: 0; color: #556278; font-size: 11px; font-weight: 700; }
.summary-card p { margin: 8px 0 4px; color: var(--navy); font-size: 16px; font-weight: 850; letter-spacing: -0.5px; }
.summary-card:nth-child(2) p { color: var(--mint); }
.summary-card:nth-child(3) p { color: var(--amber); }
.summary-card small { color: var(--muted); font-size: 10px; }
.summary-card #classification-warning { display: block; margin-top: 4px; color: #9b650f; }
.summary-card #mobility-warning { display: block; margin-top: 4px; color: #9b650f; font-weight: 700; }

.route-section { margin-top: 20px; }
.route-heading { margin-bottom: 9px; }
.route-heading span { color: var(--muted); font-size: 12px; }
.sort-tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.sort-tabs button { border: 1px solid var(--line); border-radius: 999px; color: #536178; background: #fff; padding: 5px 9px; font-size: 12px; }
.sort-tabs [aria-selected="true"] { border-color: #81a7e8; color: #164fbc; background: var(--blue-weak); font-weight: 800; }

.route-list { display: grid; gap: 12px; }
.route-leg { display: grid; gap: 7px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius); background: #f8fbff; }
.route-leg h3 { margin: 0; color: var(--navy); font-size: 14px; }
.route-leg-description { margin: -4px 0 0; color: var(--muted); font-size: 11px; }
.route-leg-cards { display: grid; gap: 8px; }
.route-card { width: 100%; display: grid; gap: 7px; text-align: left; border: 1px solid var(--line); border-left: 5px solid #5d718f; border-radius: var(--radius); background: #fff; padding: 11px; color: var(--ink); }
.route-card:hover { border-color: #9eb8e8; }
.route-card[aria-current="true"] { border-color: #2770d9; box-shadow: 0 0 0 2px rgb(39 112 217 / 12%); }
.route-card.mode-transit { border-left-color: var(--mint); }
.route-card.mode-car { border-left-color: var(--blue); }
.route-card.mode-walk { border-left-style: dashed; border-left-color: #865ac7; }
.route-top, .route-metrics { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.route-top strong { color: var(--navy); font-size: 14px; }
.route-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.route-badge { border: 1px solid #a4d7ba; border-radius: 4px; color: #277d59; background: var(--mint-weak); padding: 2px 5px; font-size: 10px; font-weight: 850; }
.route-metrics { align-items: flex-start; justify-content: flex-start; gap: 14px; color: var(--muted); font-size: 10px; }
.route-metrics span { display: grid; gap: 1px; }
.route-metrics b { color: #334056; font-size: 12px; }
.route-warning { color: #9b650f; background: var(--amber-weak); padding: 5px 6px; border-radius: 4px; font-size: 11px; }
.route-source { color: #8d98a7; font-size: 10px; }

.map-stage { min-width: 0; position: relative; min-height: 610px; overflow: hidden; background: #eaf0ec; }
.map-canvas { min-height: 100%; height: 100%; position: absolute; inset: 0; overflow: hidden; background: #edf2ed; }
.map-canvas::before { content: ""; position: absolute; inset: 0; z-index: 0; opacity: .75; background-image: linear-gradient(25deg, transparent 48%, #d8e2da 49%, #d8e2da 51%, transparent 52%), linear-gradient(-35deg, transparent 48%, #dce6df 49%, #dce6df 51%, transparent 52%), radial-gradient(ellipse at 55% 48%, #dceadf 0 21%, transparent 22%), radial-gradient(ellipse at 33% 70%, #dbe8f5 0 13%, transparent 14%); background-size: 78px 78px, 96px 96px, 100% 100%, 100% 100%; }
.map-canvas.is-ready::before { opacity: .12; pointer-events: none; }
.map-placeholder { position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; gap: 7px; color: rgb(22 60 105 / 54%); text-align: center; pointer-events: none; }
.map-placeholder span { font-size: 24px; font-weight: 850; letter-spacing: 5px; }
.map-placeholder small { font-size: 12px; letter-spacing: 0; }
.map-canvas.is-ready .map-placeholder { opacity: .35; }
.map-status { position: absolute; z-index: 3; bottom: 18px; left: 18px; max-width: 370px; margin: 0; padding: 9px 11px; border: 1px solid rgb(198 211 203 / 80%); border-radius: 6px; background: rgb(255 255 255 / 92%); color: #45606d; box-shadow: var(--shadow); font-size: 12px; }

.map-toolbar { position: absolute; z-index: 4; top: 18px; left: 18px; width: 154px; display: grid; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: rgb(255 255 255 / 96%); box-shadow: var(--shadow); }
.map-toolbar strong { color: var(--navy); font-size: 14px; }
.map-toolbar label { display: flex; align-items: center; gap: 7px; color: #3c4b61; font-size: 12px; font-weight: 650; }
.map-toolbar input { width: 17px; min-height: 17px; accent-color: var(--blue); }
.map-toolbar p { margin: 0; padding-top: 7px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.map-collapse { display: none; }

.legal-notice { min-height: 44px; display: flex; align-items: center; gap: 23px; border-top: 1px solid var(--line-strong); background: #fff; padding: 8px 20px; color: #31425b; font-size: 13px; font-weight: 700; }
.legal-notice p { margin: 0; }
.legal-notice p:first-child::first-letter { color: #d78d00; }
.legal-notice small { margin-left: auto; color: var(--muted); font-size: 11px; font-weight: 500; }

.info-dialog { width: min(560px, calc(100vw - 28px)); max-height: min(760px, calc(100vh - 28px)); overflow-y: auto; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--ink); background: var(--surface); box-shadow: 0 20px 50px rgb(20 35 60 / 28%); padding: 0; }
.info-dialog::backdrop { background: rgb(13 42 93 / 42%); }
.dialog-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 20px; border-bottom: 1px solid var(--line); }
.dialog-heading-row h2 { margin: 0; color: var(--navy); font-size: 19px; }
.dialog-close { min-height: 34px; border: 1px solid #9eb8e8; border-radius: 6px; color: #164fbc; background: #fff; padding: 4px 10px; font-weight: 750; }
.dialog-content { display: grid; gap: 17px; padding: 20px; }
.dialog-content section { display: grid; gap: 7px; }
.dialog-content h3 { margin: 0; color: #2a3851; font-size: 14px; }
.dialog-content p, .dialog-content ul { margin: 0; color: #435069; }
.dialog-content ul { display: grid; gap: 6px; padding-left: 21px; }
.panel-status { margin: 20px; color: var(--muted); }
.policy-details { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(0, 1.4fr); gap: 8px 12px; margin: 0; }
.policy-details dt { color: var(--muted); font-weight: 700; }
.policy-details dd { margin: 0; overflow-wrap: anywhere; color: var(--ink); font-weight: 650; }
.policy-sources { display: flex; flex-wrap: wrap; gap: 10px; }
.policy-sources a { color: #164fbc; font-weight: 750; }
.panel-disclaimer { border-left: 3px solid var(--amber); background: var(--amber-weak); padding: 9px 10px; color: #75511a !important; font-size: 12px; }
.history-rows { display: grid; gap: 10px; }
.history-row { display: grid; gap: 7px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcff; padding: 12px; }
.history-row h3, .history-row p { margin: 0; }
.history-row h3 { color: var(--navy); font-size: 14px; }
.history-row p { color: var(--muted); font-size: 12px; }
.history-actions, .history-dialog-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.history-delete { border-color: #e5b7b3; color: #a32b25; }
.history-detail-content { display: grid; gap: 13px; }
.history-detail-heading, .history-rule-summary { margin: 0; color: var(--navy); font-weight: 750; }
.history-route-summary { display: grid; gap: 7px; margin: 0; padding-left: 21px; color: #435069; }
.settings-status { margin: 0; }
.settings-fieldset { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; border: 1px solid var(--line); border-radius: var(--radius); margin: 0; padding: 14px; }
.settings-fieldset legend, .settings-route-sort legend { color: var(--navy); font-weight: 750; }
.settings-fieldset > label { display: grid; gap: 6px; color: #435069; font-size: 13px; font-weight: 700; }
.settings-fieldset select, .settings-fieldset input { width: 100%; min-height: 38px; }
.settings-route-sort { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; margin: 0; border: 0; padding: 0; }
.settings-route-sort legend { width: 100%; }
.settings-route-sort label { display: inline-flex; align-items: center; gap: 5px; color: #435069; font-size: 13px; }

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: minmax(400px, 44%) minmax(0, 56%); }
  .utility-nav { gap: 13px; font-size: 13px; }
  .summary-grid { grid-template-columns: 1fr; }
  .map-stage { min-height: 680px; }
}

@media (max-width: 767px) {
  body { overflow-x: hidden; }
  .app-header { height: 57px; gap: 12px; padding: 0 14px; }
  .brand { font-size: 19px; letter-spacing: -1px; }
  .utility-nav { position: absolute; z-index: 20; top: 57px; right: 10px; left: 10px; display: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-left: 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); padding: 10px; }
  .utility-nav.is-open { display: grid; }
  .utility-nav a, .utility-nav .utility-button { min-height: 38px; border: 1px solid var(--line); border-radius: 6px; padding: 7px 8px; text-align: left; }
  .utility-nav .auth-status { grid-column: 1 / -1; padding: 4px 8px; }
  .app-shell { display: flex; flex-direction: column; min-height: 0; }
  .rail { border-right: 0; }
  .steps { padding: 10px 14px; gap: 7px; overflow: hidden; font-size: 12px; }
  .steps li + li::before { width: 12px; }
  .steps span { width: 22px; height: 22px; }
  .input-section, .results-panel { padding: 16px 14px; }
  .input-section h1 { font-size: 18px; }
  .search-filter-grid { grid-template-columns: repeat(2, 1fr); }
  .date-time-grid { grid-template-columns: 1fr; }
  .vehicle-grid { grid-template-columns: 1fr 1fr; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .summary-card:nth-child(3) { grid-column: span 2; }
  .route-metrics { gap: 9px; }
  .map-stage { min-height: 48px; border-top: 1px solid var(--line); background: #fff; overflow: visible; }
  .map-stage .map-canvas, .map-stage .map-toolbar { display: none; }
  .map-stage.is-expanded { min-height: 360px; overflow: hidden; }
  .map-stage.is-expanded .map-canvas { display: block; position: absolute; top: 48px; height: 312px; z-index: 1; }
  .map-stage.is-expanded .map-toolbar { display: grid; top: 61px; left: 13px; width: 144px; z-index: 4; }
  .map-collapse { position: relative; z-index: 5; width: 100%; min-height: 48px; display: block; border: 0; color: var(--navy); background: #fff; font-weight: 800; text-align: left; padding: 0 16px; }
  .map-status { bottom: 11px; left: 11px; right: 11px; max-width: none; }
  .legal-notice { align-items: flex-start; flex-direction: column; gap: 3px; padding: 12px 14px; font-size: 12px; }
  .legal-notice small { margin-left: 0; }
  .info-dialog { width: 100vw; max-width: none; height: 100dvh; max-height: none; border: 0; border-radius: 0; }
  .dialog-heading-row, .dialog-content { padding-left: 16px; padding-right: 16px; }
  .settings-fieldset { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .brand { font-size: 17px; }
  .menu-button { font-size: 23px; }
  .route-top, .route-metrics { flex-wrap: wrap; }
  .route-badges { justify-content: flex-start; }
}