/* ── coffeeride ──────────────────────────────────────────────────────────────
   Cold pre-dawn ground, warm crema accent used for one thing only: coffee.
   Every route is drawn to scale from real kilometres — the bars are data.
   ------------------------------------------------------------------------ */

:root {
  --frost:       #E4EAEE;
  --frost-deep:  #D2DBE1;
  --paper:       #F5F8F9;
  --ink:         #0F1A23;
  --slate:       #47596A;
  --slate-soft:  #7A8C99;
  --line:        #C2CDD5;

  --crema:       #B9762E;   /* coffee, and only coffee */
  --crema-wash:  #F0E0CB;
  --signal:      #B23A22;   /* detour cost, errors */
  --go:          #1E6E5A;

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body:    'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --frame: 68rem;
  --radius: 3px;
  --shadow: 0 1px 2px rgba(15, 26, 35, .06), 0 8px 24px -16px rgba(15, 26, 35, .32);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --frost:      #0C141A;
    --frost-deep: #060B0F;
    --paper:      #131F28;
    --ink:        #E2EAEF;
    --slate:      #9AACB9;
    --slate-soft: #6B7D8A;
    --line:       #263946;
    --crema:      #D9964E;
    --crema-wash: #33251357;
    --signal:     #E2705A;
    --go:         #4FB99B;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -16px rgba(0, 0, 0, .8);
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--frost);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

/* ── Top bar ─────────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.1rem var(--gutter);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 118%;
  font-size: .95rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-decoration: none;
}

.topbar__place {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-soft);
}

.topbar__nav {
  margin-left: auto;
  display: flex;
  gap: 1.5rem;
  font-size: .85rem;
}

.topbar__link {
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.topbar__link:hover { border-bottom-color: var(--crema); }

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  padding: clamp(2.5rem, 7vw, 5rem) var(--gutter) clamp(1.5rem, 3vw, 2.5rem);
  max-width: var(--frame);
}

.hero__thesis {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -.022em;
  margin: 0 0 1.75rem;
  max-width: 24ch;
}

.thesis__line { display: block; }

/* The headline is interrupted by the product itself, at hero scale: two trips
   overlapping, with the café on the stretch they share. Every result below
   repeats this exact figure, drawn from real kilometres. */
.thesis__figure {
  display: block;
  position: relative;
  height: 2.2rem;
  max-width: min(100%, 34rem);
  margin: .8rem 0 .65rem;
}

.thesis__road {
  position: absolute;
  inset-inline: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--line);
}

.thesis__shared {
  position: absolute;
  left: 20%;
  width: 60%;
  top: 50%;
  height: 9px;
  margin-top: -4.5px;
  border-radius: 5px;
  background: var(--ink);
  transform-origin: left;
  animation: draw 900ms var(--ease) 150ms both;
}

.thesis__stop {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 17px;
  height: 17px;
  margin-top: -8.5px;
  border-radius: 50%;
  background: var(--crema);
  border: 3px solid var(--frost);
  animation: pop 400ms var(--ease) 1000ms both;
}

.thesis__tick {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--frost);
  border: 2px solid var(--line);
  transform: translateX(-50%);
}

.hero__lede {
  color: var(--slate);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 46ch;
  margin: 0;
}

/* ── Forms ───────────────────────────────────────────────────────────────── */

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.form {
  margin: 2.5rem 0 0;
  max-width: 58rem;
}

.form__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1rem 1.25rem;
}

.field { display: flex; flex-direction: column; gap: .35rem; }

.field__label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate-soft);
}

.field__input {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--line);
  padding: .45rem 0;
  transition: border-color .2s var(--ease);
}

.field__input:hover { border-bottom-color: var(--slate-soft); }
.field__input:focus { border-bottom-color: var(--crema); outline: none; }

.field__hint {
  font-size: .78rem;
  color: var(--slate-soft);
}

.form__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.button {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 112%;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: .8rem 1.6rem;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.button:hover:not(:disabled) { background: var(--crema); border-color: var(--crema); }
.button:disabled { opacity: .45; cursor: progress; }

.button--quiet {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.button--quiet:hover:not(:disabled) {
  background: transparent;
  border-color: var(--crema);
  color: var(--crema);
}

/* ── Results ─────────────────────────────────────────────────────────────── */

.results { padding: 0 var(--gutter) 5rem; max-width: var(--frame); }

.results__heading {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: 1.3rem;
  letter-spacing: -.01em;
  margin: 2rem 0 1.25rem;
}

.results__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }

.match {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem clamp(1.1rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow);
  animation: rise 500ms var(--ease) both;
}

.match__head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.match__driver {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: 1.05rem;
}

.match__seats { font-size: .85rem; color: var(--slate); }

.match__stats {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.25rem;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--slate);
}

.match__stat { white-space: nowrap; }

.match__stat b { color: var(--ink); font-weight: 500; }
.match__stat--cost b { color: var(--signal); }

/* ── The overlap bar: the whole product in one row ───────────────────────── */

.leg { margin-bottom: 1.25rem; }

.leg__track {
  position: relative;
  height: 26px;
  display: flex;
  align-items: center;
}

/* The driver's whole trip: thin, quiet. */
.leg__road {
  position: absolute;
  inset-inline: 0;
  height: 2px;
  background: var(--line);
}

/* The stretch you are actually in the car: thick, ink, drawn on load. */
.leg__shared {
  position: absolute;
  height: 8px;
  border-radius: 4px;
  background: var(--ink);
  transform-origin: left;
  animation: draw 700ms var(--ease) both;
}

.leg__node {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--frost);
  border: 2px solid var(--slate);
  transform: translateX(-50%);
}

.leg__node--end { border-color: var(--line); }

.leg__cafe {
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--crema);
  border: 3px solid var(--paper);
  transform: translateX(-50%);
  animation: pop 350ms var(--ease) 620ms both;
}

.leg__labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--slate-soft);
  margin-top: .4rem;
}

.leg__cafename { color: var(--crema); }

.match__foot {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.match__when { font-family: var(--mono); font-size: .78rem; color: var(--slate); }
.match__foot .button { margin-left: auto; }

/* ── States ──────────────────────────────────────────────────────────────── */

.note {
  border-left: 3px solid var(--line);
  padding: .9rem 0 .9rem 1.1rem;
  color: var(--slate);
  max-width: 46ch;
}

.note--empty { border-left-color: var(--crema); }
.note--error { border-left-color: var(--signal); color: var(--signal); }
.note--ok    { border-left-color: var(--go); color: var(--go); }

.note__lead { color: var(--ink); font-weight: 500; display: block; }

/* ── Admin table ─────────────────────────────────────────────────────────── */

.tally {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.tally__cell { background: var(--paper); padding: 1.1rem 1.25rem; }

.tally__num {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  font-size: 2rem;
  line-height: 1;
  display: block;
}

.tally__label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate-soft);
}

.table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.table th, .table td { text-align: left; padding: .7rem 1rem .7rem 0; border-bottom: 1px solid var(--line); }
.table th {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate-soft);
  font-weight: 400;
}
.table td { font-variant-numeric: tabular-nums; }

/* ── Motion ──────────────────────────────────────────────────────────────── */

@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes pop  { from { transform: translateX(-50%) scale(0); } to { transform: translateX(-50%) scale(1); } }
@keyframes pop-in { from { transform: scale(0); } to { transform: scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0ms !important;
    transition-duration: .001ms !important;
  }
}

@media (max-width: 40rem) {
  .match__stats { margin-left: 0; width: 100%; }
  .match__foot .button { margin-left: 0; width: 100%; }

  /* Three columns of route labels collide at this width — stack them so each
     one stays a whole phrase. */
  .leg__labels {
    flex-direction: column;
    align-items: flex-start;
    gap: .15rem;
  }

  .table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media (max-width: 30rem) {
  .topbar__place { display: none; }
}