:root {
  --bg: #ffffff;
  --soft: #f7f7f5;
  --line: #e5e5e1;
  --ink: #1c1c1a;
  --muted: #6c6c67;
  --accent: #2f6b52;
  --accent-soft: #eaf1ee;
  --bar: #d8d8d3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

h1 {
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
}

.intro p {
  color: var(--muted);
  margin: 0 0 2.5rem;
  max-width: 46ch;
}

a {
  color: var(--accent);
}

/* ---------- form ---------- */

.travelers {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
}

.traveler {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem;
}

.traveler .tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  display: block;
  margin-bottom: 0.85rem;
}

.traveler .remove {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 1.6rem;
  height: 1.6rem;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  border-radius: 5px;
  cursor: pointer;
}

.traveler .remove:hover {
  background: var(--soft);
  color: var(--ink);
}

label {
  display: block;
  margin-bottom: 0.7rem;
}

label > span {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

input,
select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.ghost {
  margin-top: 1rem;
  background: none;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 6px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.controls {
  display: flex;
  gap: 1rem;
  margin: 1.75rem 0;
  flex-wrap: wrap;
}

.controls label {
  margin: 0;
}

.controls .grow {
  flex: 1;
  min-width: 14rem;
}

.controls select {
  min-width: 12rem;
}

.go {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.7rem 1.4rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.go:hover:not(:disabled) {
  background: #275a45;
}

.go:disabled {
  opacity: 0.6;
  cursor: progress;
}

.err {
  margin-top: 1rem;
  color: #b23b2e;
  font-size: 0.9rem;
}

/* ---------- results ---------- */

#results {
  margin-top: 3rem;
}

.loading {
  color: var(--muted);
  padding: 2rem 0;
}

/* window summary + timeline */

.consensus {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
  margin-bottom: 2rem;
}

.consensus h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 1.1rem;
}

.timeline {
  display: grid;
  gap: 0.45rem;
}

.tl-row {
  display: grid;
  grid-template-columns: 6rem 1fr;
  align-items: center;
  gap: 0.8rem;
}

.tl-name {
  font-size: 0.88rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tl-track {
  position: relative;
  height: 1.1rem;
}

.tl-bar {
  position: absolute;
  top: 0.35rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--bar);
}

.tl-window {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
}

.tl-axis {
  display: flex;
  justify-content: space-between;
  margin: 0.7rem 0 0 6.8rem;
  font-size: 0.76rem;
  color: var(--muted);
}

.window-callout {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 1.3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.wc .k {
  font-size: 0.78rem;
  color: var(--muted);
}

.wc .v {
  font-size: 1.15rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin: 0.1rem 0 0.2rem;
}

.wc .n {
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 34ch;
}

/* group notes */

.flags {
  background: var(--soft);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
}

.flags h4 {
  font-size: 0.82rem;
  margin: 0 0 0.4rem;
}

.flags ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.flags li {
  margin-bottom: 0.25rem;
}

/* destinations */

.dest {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
  margin-bottom: 1rem;
}

.dest-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.dest-title {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dest .rank {
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.dest h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.dest h3 .code {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 0.4rem;
}

.dest .place-country {
  font-size: 0.85rem;
  color: var(--muted);
}

.price {
  text-align: right;
  white-space: nowrap;
}

.price .amt {
  font-size: 1.2rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.price .lbl {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
}

.headline {
  margin: 0.6rem 0 1rem;
  color: var(--ink);
}

.fit {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.3rem;
}

.fit-bar {
  flex: 1;
  height: 4px;
  background: var(--soft);
  border-radius: 999px;
  overflow: hidden;
}

.fit-bar i {
  display: block;
  height: 100%;
  background: var(--accent);
}

.fit-num {
  font-size: 0.78rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.cols {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.cols h4 {
  font-size: 0.8rem;
  margin: 0 0 0.5rem;
}

.cols ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.cols li {
  margin-bottom: 0.35rem;
}

.who {
  list-style: none;
  padding: 0;
}

.who li {
  margin-bottom: 0.5rem;
  padding-left: 0;
}

.who b {
  color: var(--ink);
  font-weight: 600;
}

.meta {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 1.3rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.meta b {
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* booking / search links */

.book {
  margin-top: 1.2rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.book summary {
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--accent);
}

.book-body {
  padding-top: 1rem;
}

.book-group + .book-group {
  margin-top: 1.1rem;
}

.book-group h4 {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.book-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.book-row .leg {
  min-width: 11rem;
  font-size: 0.88rem;
}

.book-row a {
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.2rem 0.65rem;
  white-space: nowrap;
}

.book-row a:hover {
  border-color: var(--accent);
}

.rate {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.rate b {
  color: var(--ink);
}

.est {
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 0.3rem;
}

.disclaimer {
  margin: 1.1rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  max-width: 60ch;
}

/* live prices */

.live {
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.live-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.live-head h4 {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.live-btn {
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: none;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.25rem 0.75rem;
}

.live-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.live-btn:disabled {
  opacity: 0.55;
  cursor: progress;
}

.live-body:empty {
  display: none;
}

.lp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.6rem;
}

.lp-table td {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.lp-table tr:last-child td {
  border-bottom: 0;
}

.lp-label {
  font-size: 0.9rem;
}

.lp-route {
  color: var(--muted);
  font-size: 0.82rem;
}

.lp-price {
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  padding-left: 0.6rem;
}

.lp-missing {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.82rem;
}

.lp-src {
  text-align: right;
  padding-left: 0.6rem;
}

.src-chip {
  font-size: 0.72rem;
  color: var(--muted);
}

.live-text {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: pre-wrap;
}

.live-when {
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.live-wait {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.live-err {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: #b23b2e;
}

@media (max-width: 32rem) {
  .tl-row {
    grid-template-columns: 4.5rem 1fr;
  }
  .tl-axis {
    margin-left: 5.3rem;
  }
}