@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

:root {
  --paper: #F1F3E9;
  --paper-raised: #FFFFFF;
  --ink: #2B2018;
  --ink-soft: #5C5142;
  --line: #D9DAC8;

  --moss: #4C6B3F;
  --moss-dark: #35492C;
  --rust: #B5651D;
  --ochre: #C99A2E;
  --clay-red: #B84C3E;
  --sky: #3B6EA8;

  --radius: 10px;
  --font-display: 'Zilla Slab', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

@media (prefers-reduced-motion: no-preference) {
  .card { transition: transform 160ms ease, box-shadow 160ms ease; }
}

header {
  padding: 2.5rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #E7EBD8 0%, var(--paper) 100%);
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin: 0 0 0.35rem;
  color: var(--moss-dark);
  letter-spacing: -0.01em;
}

.subtitle {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  margin-top: 0.35rem;
}

.updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}

h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--moss-dark);
  margin: 0 0 0.9rem;
}

/* --- Status cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
  margin-bottom: 2.25rem;
}

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 5px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  cursor: pointer;
}

.card:hover, .card:focus-visible {
  box-shadow: 0 2px 10px rgba(43, 32, 24, 0.08);
  transform: translateY(-1px);
}

.card[data-state="now"]    { border-left-color: var(--moss); }
.card[data-state="hurry"]  { border-left-color: var(--ochre); }
.card[data-state="missed"] { border-left-color: var(--clay-red); }
.card[data-state="wait"]   { border-left-color: var(--line); }

.card .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}

.card .headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
}

.card[data-state="now"] .headline    { color: var(--moss-dark); }
.card[data-state="hurry"] .headline  { color: #8a6414; }
.card[data-state="missed"] .headline { color: var(--clay-red); }

.card .detail {
  font-size: 0.87rem;
  color: var(--ink-soft);
}

/* --- Chart --- */
.chart-section {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 0.5rem;
  margin-bottom: 2.25rem;
}

#soilChart { width: 100%; }

.chart-wrap {
  position: relative;
  height: 420px;
}

@media (max-width: 640px) {
  .chart-wrap { height: 320px; }
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding: 0.85rem 0.1rem 1rem;
  border-top: 1px dashed var(--line);
  margin-top: 0.75rem;
}

.legend-group {
  min-width: 180px;
}

.legend-group-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.legend-group-swatches {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.legend-swatch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.legend-swatch i {
  width: 14px; height: 14px; border-radius: 3px; display: inline-block; flex-shrink: 0;
}

/* --- Readings grid --- */
.reading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.reading {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
}

.reading .rlabel {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.reading .rvalue {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--ink);
  margin-top: 0.15rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

footer a { color: var(--sky); }

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

/* --- Card detail modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(43, 32, 24, 0.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--paper-raised);
  border-radius: var(--radius);
  border-left: 6px solid var(--line);
  max-width: 520px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 1.5rem 1.75rem;
  position: relative;
  box-shadow: 0 12px 40px rgba(43, 32, 24, 0.25);
}

.modal-box[data-state="now"]    { border-left-color: var(--moss); }
.modal-box[data-state="hurry"]  { border-left-color: var(--ochre); }
.modal-box[data-state="missed"] { border-left-color: var(--clay-red); }
.modal-box[data-state="wait"]   { border-left-color: var(--line); }

.modal-box h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--moss-dark);
  margin: 0.15rem 0 0.4rem;
}

.modal-headline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line);
}

.modal-body p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.6;
}

.modal-body p:last-child { margin-bottom: 0; }

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.9rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0.25rem 0.4rem;
  border-radius: 6px;
}

.modal-close:hover {
  background: var(--paper);
  color: var(--ink);
}