/* Weekend Line — transit-diagram city guide */

@font-face {
  font-family: 'Work Sans';
  src: url('assets/work-sans.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('assets/ibm-plex-mono.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #EBEFF3;
  --ink: #182230;
  --ink-soft: #4E5D6B;
  --hair: #C9D3DC;
  --white: #FFFFFF;
  --tint: #F5F8FA;
  --music: #2563C9;
  --art: #C13B8E;
  --food: #D97216;
  --film: #6D4FC4;
  --literature: #0C8F86;
  --outdoors: #3E8E2E;
  --walks: #A9740F;
  --radius: 6px;
  --timeW: 96px;
  --nodeW: 30px;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  font-family: 'Work Sans', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.86em;
  letter-spacing: -0.01em;
}

.icon { width: 1.05em; height: 1.05em; flex: none; }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- header ---------- */

.top {
  background: var(--white);
  border-bottom: 1px solid var(--hair);
}
.topInner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.wordmark {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.roundel { width: 22px; height: 22px; align-self: center; color: var(--ink); }
.topDates { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- hero ---------- */

.hero { padding: 56px 24px 40px; }
.heroInner { max-width: 1120px; margin: 0 auto; }
.heroTitle {
  margin: 0 0 18px;
  font-size: clamp(40px, 5.6vw, 72px);
  line-height: 1.02;
  font-weight: 650;
  letter-spacing: -0.025em;
  max-width: 14ch;
}
.lede {
  margin: 0 0 36px;
  max-width: 56ch;
  font-size: 18px;
  color: var(--ink-soft);
}

.mapCard {
  background: var(--white);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: 22px 26px 26px;
  max-width: 1120px;
}
.mapNote { margin: 0 0 22px; font-size: 14px; color: var(--ink-soft); }

.diagram { overflow-x: auto; }

.dayTrack {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  min-width: 640px;
}
.dayTrack + .dayTrack { margin-top: 26px; }
.dayLabel {
  font-weight: 700;
  font-size: 15px;
  padding-right: 10px;
  text-align: right;
}
.dayLabel small { display: block; font-weight: 400; color: var(--ink-soft); font-size: 12.5px; }

.track { position: relative; height: 46px; }
.trackLine {
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 4px;
  margin-top: -2px;
  background: var(--ink);
  border-radius: 2px;
}
.tick {
  position: absolute;
  top: 50%;
  width: 1px;
  height: 10px;
  margin-top: -5px;
  background: var(--ink);
  opacity: 0.35;
}
.tickLabel {
  position: absolute;
  top: 34px;
  transform: translateX(-50%);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--ink-soft);
}

.stop {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 21px;
  height: 21px;
  padding: 0;
  border-radius: 50%;
  border: 3px solid var(--white);
  background: var(--c, var(--ink));
  cursor: pointer;
  transition: transform 0.15s ease;
}
.stop:hover { transform: translate(-50%, -50%) scale(1.22); }
.stop:focus-visible { outline-offset: 0; }
.stop.dimmed { opacity: 0.18; }

/* ---------- browse / controls ---------- */

.browse { padding: 8px 24px 72px; }
.browseInner { max-width: 1120px; margin: 0 auto; }
.browseHeading {
  margin: 0 0 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
}

.controls {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  padding: 14px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--hair);
  margin-bottom: 26px;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 13.5px; font-weight: 600; }
.field input, .field select {
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 12px;
}
.field input { min-width: 0; }
.field input::placeholder { color: #7C8996; }
.field input:focus-visible, .field select:focus-visible { outline-offset: 0; }
.fieldSearch { flex: 1 1 240px; }
.fieldCategory { flex: 0 1 200px; }
.field select { appearance: none; padding-right: 30px; width: 100%; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23182230' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.shortlistBtn {
  font: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--white);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
}
.shortlistBtn .count {
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
}
.shortlistBtn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}
.shortlistBtn[aria-pressed="true"] .count {
  background: var(--white);
  color: var(--ink);
}
.shortlistBtn[aria-pressed="true"] .icon path { fill: currentColor; }
.shortlistBtn:focus-visible { outline-offset: 0; }

.status { margin: -12px 0 18px; font-size: 13.5px; color: var(--ink-soft); min-height: 1em; }

/* ---------- day groups & rows ---------- */

.dayGroup { margin-bottom: 34px; }
.dayHead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.dayHead .dayCount { font-size: 14px; font-weight: 400; color: var(--ink-soft); }

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.rows::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: calc(var(--timeW) + 10px + (var(--nodeW) / 2) - 1px);
  width: 2px;
  background: var(--hair);
}

.item {
  display: grid;
  grid-template-columns: var(--timeW) var(--nodeW) minmax(0, 1fr);
  align-items: center;
  gap: 0 10px;
  padding: 16px 18px 16px 0;
  position: relative;
}
.item + .item { border-top: 1px solid var(--hair); }
.item:hover { background: var(--tint); }

.rowTime {
  grid-column: 1;
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
  padding-left: 14px;
  white-space: nowrap;
}
.rowNode { grid-column: 2; display: flex; justify-content: center; position: relative; z-index: 1; }
.rowDot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2.5px solid var(--white);
  background: var(--c, var(--ink));
  box-shadow: 0 0 0 1.5px var(--hair);
}

.rowMain { grid-column: 3; min-width: 0; }.rowOpen {
  font: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 3px 4px 3px 0;
  background: none;
  border: 0;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
}
.rowTitle { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.rowOpen:hover .rowTitle { text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.rowOpen:focus-visible { outline-offset: -3px; }
.rowOpen .chev { color: var(--ink-soft); }

.rowMeta { margin: 3px 0 8px; font-size: 14px; color: var(--ink-soft); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--white);
  color: var(--ink);
}
.chipDot { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--ink)); }
.chip.saved { background: var(--ink); color: var(--white); border-color: var(--ink); }

.rowSide { display: none; }

/* ---------- empty state ---------- */

.empty {
  background: var(--white);
  border: 1px dashed var(--hair);
  border-radius: var(--radius);
  padding: 44px 24px;
  text-align: center;
}
.emptyTitle { margin: 0 0 6px; font-size: 22px; font-weight: 700; }
.emptyText { margin: 0 0 20px; color: var(--ink-soft); }
.resetBtn {
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--white);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
}
.resetBtn:focus-visible { outline-color: #fff; }

/* ---------- footer ---------- */

.foot {
  padding: 26px 24px 40px;
  color: var(--ink-soft);
  font-size: 13.5px;
}
.foot p { max-width: 1120px; margin: 0 auto; }

/* ---------- detail panel ---------- */

.scrim {
  position: fixed;
  inset: 0;
  background: rgba(24, 34, 48, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 20;
}
.scrim.show { opacity: 1; visibility: visible; }

.panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(480px, 100%);
  background: var(--white);
  border-left: 1px solid var(--hair);
  box-shadow: -28px 0 60px rgba(24, 34, 48, 0.22);
  z-index: 30;
  overflow-y: auto;
  transform: translateX(103%);
  visibility: hidden;
  transition: transform 0.28s ease, visibility 0.28s ease;
  display: flex;
  flex-direction: column;
}
.panel.open { transform: none; visibility: visible; }

.panelBand {
  height: 8px;
  flex: none;
  background: var(--c, var(--ink));
}
.panelClose {
  position: absolute;
  top: 20px;
  right: 22px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  background: var(--white);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
}
.panelClose:focus-visible { outline-offset: 0; }

.panelBodyWrap { padding: 30px 30px 10px; }
.panel .chip { font-size: 13px; }
.panelTitle {
  margin: 16px 0 8px;
  font-size: 27px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.015em;
  max-width: 22ch;
}
.panelWhen { margin: 0 0 22px; font-size: 15px; color: var(--ink-soft); }
.panelWhen .mono { color: var(--ink); }

.panelMeta {
  margin: 0 0 26px;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.panelMeta dt { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); margin: 0 0 1px; }
.panelMeta dd { margin: 0; font-size: 15px; font-weight: 500; }

.panelBody p { margin: 0 0 14px; font-size: 16px; max-width: 58ch; }

.panelFooter {
  position: sticky;
  bottom: 0;
  margin-top: auto;
  padding: 16px 30px 22px;
  background: var(--white);
  border-top: 1px solid var(--hair);
}
.saveBtn {
  font: inherit;
  font-weight: 650;
  font-size: 16px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  border: 1.5px solid var(--ink);
  cursor: pointer;
}
.saveBtn:focus-visible { outline-color: #fff; outline-offset: -4px; }
.saveBtn[aria-pressed="true"] {
  background: var(--white);
  color: var(--ink);
}
.saveBtn[aria-pressed="true"] .icon path { fill: currentColor; }
.saveBtn .icon { width: 1.15em; height: 1.15em; }

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  :root { --timeW: 52px; --nodeW: 22px; }
  .top { padding: 0; }
  .topInner { flex-direction: column; gap: 2px; padding: 12px 18px; align-items: flex-start; }
  .hero { padding: 34px 18px 28px; }
  .browse { padding: 8px 18px 56px; }
  .lede { font-size: 16.5px; }
  .mapCard { padding: 16px 14px 20px; }
  .controls { padding: 12px 8px; }
  .fieldCategory { flex-basis: calc(50% - 6px); }
  .shortlistBtn { flex: 1 1 100%; justify-content: center; }
  .rowTime { font-size: 11px; padding-left: 8px; }
  .rowTitle { font-size: 16.5px; }
  .dayHead { font-size: 18px; }
  .item { padding-right: 8px; }
  .panelBodyWrap, .panelFooter { padding-left: 20px; padding-right: 20px; }
  .panelTitle { font-size: 23px; }
  .panelMeta { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .stop:hover { transform: translate(-50%, -50%); }
}