.trips-page {
  --trip-green: #0e7a3b;
  --trip-ink: #23352c;
  --trip-muted: #5b6b62;
  --trip-border: #dce5df;
  --trip-soft: #edf6f0;
  --trip-blue: #245f81;
  color: var(--trip-ink);
  container-type: inline-size;
  width: 100%;
  min-width: 0;
  font-size: 14px;
}
.trips-page * { box-sizing: border-box; }
.trip-heading { display: flex; gap: 24px; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
.trip-heading h1 { font-size: 32px; line-height: 1.2; margin: 0 0 6px; font-weight: 650; letter-spacing: -.025em; }
.trip-heading p { color: var(--trip-muted); font-size: 14px; margin: 0; }
.trip-vehicle-field { min-width: 220px; }
.trip-vehicle-field label, .trip-date-form label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.trips-page select, .trips-page input:not([type="range"]) { background: #fff; color: var(--trip-ink); width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid #b9c9bf; border-radius: 8px; font: inherit; }
.trips-page :focus-visible { outline: 3px solid #21854c; outline-offset: 3px; }
.trips-page .trip-button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; width: fit-content; min-height: 40px; margin: 0; border: 1px solid var(--trip-border); border-radius: 8px; background: #fff; color: var(--trip-ink); padding: 9px 14px; cursor: pointer; font-family: inherit; font-size: 12px; font-weight: 600; line-height: 1.5; transition: background-color .15s ease, border-color .15s ease; }
.trips-page .trip-button:hover { color: #0e6133; border-color: #9bbcaa; background: #f0f7f2; }
.trips-page .trip-button-primary, .trips-page .trip-button.is-selected { background: var(--trip-green); border-color: var(--trip-green); color: #fff; }
.trips-page .trip-button-primary:hover, .trips-page .trip-button.is-selected:hover { background: #086430; color: #fff; border-color: #086430; }
.trip-controls { display: flex; justify-content: space-between; flex-wrap: wrap; align-items: flex-start; gap: 14px; }
.trip-periods { display: flex; flex-wrap: wrap; gap: 5px; }
.trips-page .trip-periods .trip-button { min-width: 65px; border-radius: 999px; background: #edf1ee; border-color: transparent; padding: 8px 17px; }
.trips-page .trip-periods .trip-button.is-selected { background: var(--trip-green); color: #fff; }
.trip-date-picker { border: 1px solid var(--trip-border); border-radius: 8px; background: #fff; max-width: 100%; }
.trip-date-picker summary { cursor: pointer; padding: 10px 16px; font-size: 12px; font-weight: 600; }
.trip-date-form { display: grid; gap: 14px; width: 285px; max-width: 100%; padding: 4px 16px 17px; }
.trip-field-error { color: #a1322c; font-size: 12px; margin: 0; }
.trip-field-error:empty { display: none; }
.trip-archive-note { color: var(--trip-muted); font-size: 11px; line-height: 1.7; margin: 13px 0 25px; max-width: 100%; }
.trip-demo-banner { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 0 0 24px; padding: 15px 18px; border: 1px solid #ecd8b2; background: #fff6e4; color: #704906; border-radius: 8px; }
.trip-demo-banner strong { font-size: 13px; }
.trip-demo-banner p { margin: 4px 0 0; font-size: 12px; line-height: 1.65; }
.trip-demo-banner .trip-button { flex-shrink: 0; }
.trip-workspace { display: grid; grid-template-columns: 179px minmax(0, 1fr); gap: 22px; align-items: start; }
.trip-sessions { padding-right: 19px; border-right: 1px solid var(--trip-border); min-width: 0; }
.trip-session-heading { display: flex; gap: 9px; align-items: center; justify-content: space-between; margin: 7px 0 19px; }
.trip-session-heading h3 { font-size: 14px; font-weight: 650; line-height: 1.3; margin: 0; }
.trip-count { display: inline-flex; padding: 3px 9px; border-radius: 20px; background: #eaf0ec; color: var(--trip-muted); font-size: 11px; }
.trips-page .trip-sessions > .trip-button { display: flex; flex-direction: column; align-items: flex-start; width: 100%; text-align: left; padding: 11px 12px; margin-bottom: 8px; border: 0; background: transparent; color: var(--trip-ink); font-weight: 500; }
.trips-page .trip-sessions > .trip-button:hover { background: #edf5ef; }
.trips-page .trip-sessions > .trip-button.is-selected { background: #e0f0e6; color: #075f2b; }
.trip-sessions .trip-button strong { font-size: 11px; line-height: 1.5; font-weight: 600; }
.trip-sessions .trip-button span { font-size: 10px; line-height: 1.6; color: #5b6b62; }
.trip-session-note { font-size: 10px; color: var(--trip-muted); line-height: 1.7; margin: 21px 0 0; padding-top: 17px; border-top: 1px solid var(--trip-border); }
.trip-content { min-width: 0; }
.trip-tabs { display: flex; gap: 20px; border-bottom: 1px solid var(--trip-border); margin-bottom: 20px; }
.trips-page .trip-tabs .trip-button { position: relative; min-height: 45px; border: 0; border-radius: 0; background: transparent; color: var(--trip-muted); padding: 10px 12px 14px; font-size: 13px; }
.trips-page .trip-tabs .trip-button.is-selected { background: transparent; color: var(--trip-green); }
.trip-tabs .trip-button.is-selected::after { content: ""; height: 3px; background: var(--trip-green); position: absolute; bottom: -1px; left: 0; right: 0; border-radius: 2px; }
.trip-observation-layout { display: grid; grid-template-columns: minmax(0, 1fr) 217px; align-items: start; gap: 20px; }
.trip-chart-column { min-width: 0; }
.trip-chart-surface { padding: 20px 20px 15px; border: 1px solid var(--trip-border); border-radius: 10px; background: #fff; min-width: 0; }
.trip-chart-header { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 13px; margin-bottom: 11px; }
.trip-chart-header h3 { font-size: 16px; margin: 0 0 6px; font-weight: 650; }
.trip-chart-header p { color: var(--trip-muted); font-size: 11px; margin: 0; }
.trip-actions { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.trip-chart-header .trip-button { font-size: 10px; min-height: 33px; padding: 6px 9px; }
.trip-legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 11px; margin: 13px 0 5px; }
.trip-legend > span { display: flex; gap: 7px; align-items: center; }
.trip-legend i { display: block; width: 9px; height: 9px; border-radius: 50%; background: var(--series-color); }
.trip-legend .trip-spectral-key i { width: 56px; height: 8px; border-radius: 2px; background: linear-gradient(90deg, #1f3b79, #2884b0, #28b582, #b7d044, #f7b230); }
.trip-plot { min-width: 0; width: 100%; }
.trip-chart-svg { display: block; width: 100%; height: auto; overflow: visible; touch-action: pan-y; }
.trip-chart-svg text { fill: #5b6b62; font: 11px "Segoe UI", system-ui, sans-serif; }
.trip-chart-help { margin: 11px 0 0; font-size: 10px; line-height: 1.6; color: var(--trip-muted); }
.trip-cursor-control { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; padding-top: 11px; border-top: 1px solid #edf1ee; align-items: center; }
.trip-cursor-control label { font-size: 11px; color: var(--trip-muted); }
.trips-page .trip-cursor-control input[type="range"] { width: 100%; min-height: 30px; padding: 0; margin: 0; accent-color: var(--trip-green); cursor: pointer; }
.trip-cursor-output { grid-column: 1 / -1; color: var(--trip-ink); font-size: 11px; line-height: 1.65; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.trip-explanation { background: #f1f6f9; border-radius: 10px; padding: 20px 18px; }
.trip-explanation h3 { color: #1d3546; font-size: 15px; margin: 0 0 17px; font-weight: 650; }
.trip-explanation h4 { font-size: 12px; color: #243f51; margin: 20px 0 9px; padding-top: 17px; border-top: 1px solid #dce7ee; font-weight: 650; }
.trip-explanation > p { margin: 0; font-size: 12px; line-height: 1.7; color: #4d6370; }
.trip-observation-note { margin-top: 19px; padding-top: 17px; border-top: 1px solid #d4e2eb; }
.trip-observation-note strong { display: block; color: var(--trip-blue); font-size: 11px; font-weight: 650; }
.trip-observation-note p { margin: 7px 0 0; color: #4d6370; font-size: 10px; line-height: 1.7; }
.trip-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 16px; border: 1px solid var(--trip-border); border-radius: 8px; background: #fff; padding: 18px 0; }
.trip-stats > div { padding: 0 17px; min-width: 0; }
.trip-stats > div + div { border-left: 1px solid var(--trip-border); }
.trip-stats span { display: block; color: var(--trip-muted); font-size: 10px; margin-bottom: 7px; }
.trip-stats strong { display: block; font-size: 16px; font-weight: 650; letter-spacing: -.015em; font-variant-numeric: tabular-nums; }
.trip-missing { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; padding: 34px 30px; border: 1px solid var(--trip-border); border-radius: 10px; background: #fff; }
.trip-missing h3 { font-size: 21px; margin: 0; }
.trip-missing p { color: var(--trip-muted); font-size: 13px; line-height: 1.75; max-width: 62ch; margin: 0; }
.trip-missing .trip-actions { margin: 5px 0; }
.trip-neutral-tag { font-size: 11px; padding: 5px 9px; background: #edf0ef; color: #596960; border-radius: 5px; }
.trip-small, .trip-missing .trip-small { font-size: 11px; color: var(--trip-muted); line-height: 1.7; }
.trip-footer-note { max-width: 100%; margin: 21px 0 0; font-size: 11px; color: var(--trip-muted); line-height: 1.7; }
.trip-loading { padding: 40px 25px; border-radius: 10px; background: #eef4f0; color: var(--trip-muted); font-size: 13px; }
.trip-chart-surface:fullscreen { padding: 30px; overflow-y: auto; width: 100vw; height: 100vh; background: #fff; border: 0; border-radius: 0; }
.trip-chart-surface:fullscreen .trip-plot { max-width: 1500px; margin: 0 auto; }
.trip-chart-surface:fullscreen .trip-chart-header { margin-bottom: 25px; }
.trip-chart-surface:fullscreen .trip-chart-help { font-size: 12px; }
@container (max-width: 1050px) {
  .trip-observation-layout { grid-template-columns: minmax(0, 1fr); }
  .trip-explanation { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 25px; padding: 20px; }
  .trip-explanation h3 { grid-column: 1 / -1; margin-bottom: 2px; }
  .trip-explanation > h4 { margin: 0; padding-top: 0; border-top: 0; }
  .trip-explanation > p, .trip-explanation > h4 { grid-column: 1; }
  .trip-observation-note { grid-column: 2; grid-row: 2 / span 5; margin-top: 0; border-top: 0; border-left: 1px solid #d4e2eb; padding: 0 0 0 23px; }
}
@container (max-width: 740px) {
  .trip-workspace { grid-template-columns: 1fr; gap: 19px; }
  .trip-sessions { display: flex; gap: 9px; flex-wrap: wrap; align-items: stretch; padding-right: 0; border-right: 0; border-bottom: 1px solid var(--trip-border); padding-bottom: 16px; }
  .trip-session-heading { flex: 0 0 100%; justify-content: flex-start; margin: 0 0 3px; }
  .trips-page .trip-sessions > .trip-button { width: auto; margin: 0; background: #f2f5f3; min-width: 135px; }
  .trip-session-note { flex: 0 0 100%; border: 0; padding: 0; margin: 3px 0 0; }
  .trip-heading h1 { font-size: 29px; }
  .trip-vehicle-field { min-width: 200px; }
  .trip-chart-header .trip-button { min-height: 36px; font-size: 11px; }
}
@container (max-width: 480px) {
  .trip-heading { flex-direction: column; align-items: stretch; gap: 18px; }
  .trip-heading h1 { font-size: 28px; }
  .trip-heading p { font-size: 12px; }
  .trip-vehicle-field { width: 100%; }
  .trip-controls { gap: 12px; }
  .trip-periods { width: 100%; gap: 4px; }
  .trips-page .trip-periods .trip-button { flex: 1; min-width: 0; padding-inline: 12px; font-size: 12px; }
  .trip-date-picker { width: 100%; }
  .trip-date-form { width: 100%; }
  .trip-demo-banner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 15px; }
  .trip-archive-note { margin-bottom: 19px; }
  .trip-tabs { gap: 5px; justify-content: space-between; }
  .trips-page .trip-tabs .trip-button { flex: 1; padding-inline: 8px; font-size: 12px; }
  .trip-chart-surface { padding: 17px 12px 14px; }
  .trip-chart-header { gap: 10px; }
  .trip-chart-header h3 { font-size: 15px; }
  .trip-chart-header .trip-actions { width: 100%; }
  .trip-chart-header .trip-button { flex: 1; }
  .trip-cursor-control { grid-template-columns: 1fr; gap: 3px; }
  .trip-cursor-output { font-size: 11px; }
  .trip-stats { grid-template-columns: 1fr; gap: 14px; padding-block: 18px; }
  .trip-stats > div { display: flex; justify-content: space-between; gap: 15px; align-items: center; }
  .trip-stats > div + div { border-left: 0; }
  .trip-stats span { margin-bottom: 0; font-size: 11px; }
  .trip-stats strong { font-size: 15px; }
  .trip-explanation { display: block; padding: 20px; }
  .trip-explanation h3 { margin-bottom: 14px; }
  .trip-explanation > h4 { margin-top: 18px; margin-bottom: 8px; padding-top: 15px; border-top: 1px solid #dce7ee; }
  .trip-observation-note { margin-top: 19px; padding: 17px 0 0; border-left: 0; border-top: 1px solid #d4e2eb; }
  .trip-missing { padding: 25px 19px; }
  .trip-missing h3 { font-size: 19px; }
  .trip-missing .trip-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .trip-missing .trip-button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .trips-page *, .trips-page *::before, .trips-page *::after { transition: none !important; animation: none !important; } }