:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --ink: #20251f;
  --muted: #72766d;
  --panel: #fffefa;
  --line: #d8d8ce;
  --accent: #315c4b;
  --accent-soft: #e5eee8;
  --warm: #b16d4b;
}

* { box-sizing: border-box; }
html { touch-action: manipulation; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.4;
}
button, input { font: inherit; }
button { cursor: pointer; }
.shell { width: min(940px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 92px; }
.hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 26px; }
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: .68rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 5px; font-size: clamp(2rem, 5vw, 3.35rem); letter-spacing: -.055em; line-height: 1; }
h2 { margin-bottom: 0; font-size: 1.15rem; letter-spacing: -.025em; }
.intro { margin: 0; color: var(--muted); font-size: .92rem; }
.today-card { min-width: 132px; padding: 9px 12px; border-left: 3px solid var(--accent); background: transparent; text-align: right; }
.today-card span { display: block; color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .09em; }
.today-card strong { display: block; margin-top: 1px; font-size: .88rem; }
.add-panel { position: fixed; z-index: 5; right: 12px; bottom: calc(64px + env(safe-area-inset-bottom)); left: 12px; max-width: 916px; margin: 0 auto; padding: 12px; border: 1px solid var(--line); background: var(--panel); box-shadow: 0 -4px 18px rgb(32 37 31 / 10%); }
.add-panel[hidden] { display: none; }
.add-panel h2 { margin-bottom: 10px; font-size: .95rem; }
.form-fields { display: grid; grid-template-columns: 1fr 165px auto; gap: 8px; align-items: end; }
label span { display: block; margin-bottom: 4px; color: var(--muted); font-size: .72rem; font-weight: 700; }
input { width: 100%; min-height: 38px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 0; background: #fff; color: var(--ink); outline: none; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
button[type="submit"] { min-height: 38px; padding: 0 16px; border: 0; border-radius: 0; background: var(--accent); color: white; font-weight: 750; white-space: nowrap; }
button[type="submit"] span { font-size: 1.1em; vertical-align: -1px; }
.dates-section { margin-top: 28px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 10px; }
.unit-toggle { display: flex; gap: 0; }
.unit-button { width: 38px; height: 38px; padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--muted); font-size: .78rem; font-weight: 800; }
.unit-button span { display: none; }
.unit-button.active { background: var(--accent-soft); color: var(--accent); }
.bottom-bar { position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); background: rgb(255 254 250 / 96%); }
.add-toggle { min-height: 38px; padding: 0 14px; border: 0; border-radius: 0; background: var(--accent); color: #fff; font-size: .78rem; font-weight: 800; letter-spacing: .04em; }
.add-toggle span { font-size: 1.05em; }
.date-list { display: grid; gap: 6px; }
.date-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 16px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 0; background: var(--panel); }
.date-info { min-width: 0; }
.date-label { overflow: hidden; margin: 0 0 2px; font-size: .94rem; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.date-value { margin: 0; color: var(--muted); font-size: .76rem; }
.distance { min-width: 105px; text-align: right; }
.distance strong { display: block; color: var(--accent); font-size: 1.08rem; letter-spacing: -.025em; }
.distance.past strong { color: var(--warm); }
.distance small { color: var(--muted); font-size: .68rem; }
.delete-button { padding: 5px; border: 0; border-radius: 0; background: transparent; color: #a8aaa2; font-size: 1.05rem; line-height: 1; }
.delete-button:hover, .delete-button:focus { color: var(--warm); }
.empty { padding: 24px 16px; border: 1px dashed #cfcfc5; border-radius: 0; color: var(--muted); text-align: center; }
.empty p { margin: 0; }
@media (max-width: 650px) {
  .shell { width: min(100% - 24px, 540px); padding-top: 24px; }
  .add-panel { right: 12px; bottom: calc(64px + env(safe-area-inset-bottom)); left: 12px; }
  .form-fields { grid-template-columns: 1fr 1fr; }
  .form-fields label:first-child { grid-column: 1 / -1; }
  .form-fields button[type="submit"] { grid-column: 1 / -1; }
  .unit-button { min-width: 36px; padding-inline: 7px; }
  .add-toggle { padding-inline: 13px; }

  .hero { align-items: flex-start; flex-direction: column; margin-bottom: 20px; }
  .today-card { align-self: stretch; text-align: left; }
  .today-card strong { display: inline; margin-left: 8px; }
  .form-fields { grid-template-columns: 1fr 1fr; }
  .form-fields label:first-child { grid-column: 1 / -1; }
  button[type="submit"] { grid-column: 1 / -1; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .date-row { grid-template-columns: 1fr auto; gap: 3px 8px; padding: 10px; }
  .distance { grid-row: 1 / 3; grid-column: 2; }
  .delete-button { grid-column: 1; justify-self: start; padding: 4px 0 0; }
}