:root {
  --font-display: "Schibsted Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Red Hat Mono", "SF Mono", Menlo, monospace;

  /* Warm paper/soil, not another dark-mode-plus-accent screen - this is a
     field tool, and fields are worked in daylight. Same terracotta accent
     as before (it was already this project's own identity, not a cliche),
     just re-tuned for contrast against a light ground instead of a dark one. */
  --bg: #f2ecdc;
  --panel: #fbf7ec;
  --panel-border: #ddcda3;
  --text: #2a2115;
  --text-dim: #6f5e40;
  --accent: #96500e;
  --accent-dim: #ecd9b3;
  --good: #436b35;
  --error: #a3452a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

/* header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

.brand-mark {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 2px 10px 2px 10px;
  animation: sway 3.5s ease-in-out infinite;
  transform-origin: bottom center;
}

@keyframes sway {
  0%, 100% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
}

.source-link {
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

/* main / hero */

main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
  width: 100%;
}

.hero {
  padding: 2rem 0 1.5rem;
  animation: fade-up 0.5s ease both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: -0.02em; /* the largest text on the page: more negative tracking than the base h1/h2 rule */
  margin: 0 0 0.9rem;
}

.hero-sub {
  color: var(--text-dim);
  max-width: 62ch;
  font-size: 0.92rem;
}

/* form */

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-location {
  grid-column: 1 / -1;
  position: relative;
}

label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

select,
input[type="text"],
input[type="date"] {
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.6rem 0.7rem;
}

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

.location-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 5;
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
}

.location-results li {
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  font-size: 0.88rem;
}

.location-results li:hover {
  background: var(--accent-dim);
}

.location-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.3rem;
}

.preset-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.preset-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.preset-btn:active {
  transform: scale(0.95);
}

.location-selected {
  margin: 0.3rem 0 0;
  font-size: 0.82rem;
  color: var(--good);
}

.btn-calc {
  grid-column: 1 / -1;
  padding: 0.85rem;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #1a1408;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.2s ease;
}

.btn-calc:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-calc:active:not(:disabled) {
  transform: scale(0.97);
}

.btn-calc:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* status */

.status {
  margin-top: 1.2rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}

/* results */

.results {
  margin-top: 2.2rem;
  /* opacity/transform/filter are driven by js/app.js (revealResults), frame by
     frame, so a re-submit mid-animation reads the current visible value
     instead of jumping. */
}

.results-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.summary-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.summary-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.days-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 620px;
}

.days-table th,
.days-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--panel-border);
}

.days-table th {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.days-table tr:last-child td {
  border-bottom: none;
}

.days-table .net-req {
  color: var(--accent);
  font-weight: 700;
}

.days-table tr.past-harvest {
  opacity: 0.45;
}

.days-table tbody tr {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.days-table tbody tr.row-in {
  opacity: 1;
  transform: translateY(0);
}

.days-table tbody tr.row-in.past-harvest {
  opacity: 0.45;
}

/* about */

.about {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--panel-border);
}

.about h2 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}

.about p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 72ch;
}

.about-note {
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.9rem;
}

/* footer */

.site-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

@media (max-width: 620px) {
  .calc-form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}