:root {
  color-scheme: light dark;
  --bg: #f6f1e4;
  --surface: #fffdf7;
  --text: #2b2f26;
  --muted: #666b5c;
  --line: #e2dac6;
  --green: #3f6b3a;
  --on-green: #fffdf7;
  --accent: #a4532a;
  --danger: #a3302a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b211a;
    --surface: #252c23;
    --text: #ecebe0;
    --muted: #aeb2a2;
    --line: #394236;
    --green: #8fbb84;
    --on-green: #1b211a;
    --accent: #e0a07e;
    --danger: #ef9a93;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

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

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: calc(10px + env(safe-area-inset-top)) 20px 10px;
  background: var(--green);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav a,
.top-nav button {
  display: inline-block;
  min-height: 44px;
  padding: 9px 8px;
  border: 0;
  background: none;
  color: var(--on-green);
  font: inherit;
  font-size: 16px;
  text-decoration: none;
}

.top-nav form {
  margin: 0;
}

.brand {
  color: var(--on-green);
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 16px calc(40px + env(safe-area-inset-bottom));
}

h1 {
  margin: 8px 0 16px;
  font-size: 30px;
  line-height: 1.2;
}

h2 {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--green);
}

p {
  margin: 0 0 10px;
}

.plant-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plant-list li {
  margin-bottom: 12px;
}

.plant-link {
  display: flex;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.plant-link:active {
  border-color: var(--green);
}

.plant-emoji {
  flex: none;
  font-size: 36px;
  line-height: 1.15;
}

.plant-text {
  min-width: 0;
}

.plant-name {
  display: block;
  font-size: 22px;
  font-weight: 700;
}

.plant-subtitle {
  display: block;
  margin: -10px 0 16px;
  color: var(--muted);
}

.plant-link .plant-subtitle {
  margin: 0;
  font-size: 16px;
}

.plant-teaser {
  display: block;
  margin-top: 6px;
  font-size: 16px;
}

.back {
  display: inline-block;
  min-height: 44px;
  padding: 8px 0;
  text-decoration: none;
}

.card-section {
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.card-section p:last-child {
  margin-bottom: 0;
}

.date-list,
.rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.date-list li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.date-list li:first-child,
.rule-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.date {
  flex: none;
  font-weight: 700;
  color: var(--accent);
}

.rule-list li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.rule-list strong,
.rule-meta {
  display: block;
}

.rule-meta {
  font-size: 16px;
  color: var(--muted);
}

.variety-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.variety-list a {
  display: block;
  min-height: 44px;
  padding: 9px 0;
  font-weight: 600;
}

.group-heading {
  margin: 24px 0 12px;
  font-size: 20px;
  color: var(--text);
}

.note {
  margin-top: 16px;
  color: var(--muted);
}

.install-hint {
  padding: 16px;
  margin-bottom: 20px;
  border: 2px solid var(--green);
  border-radius: 14px;
  background: var(--surface);
}

.install-hint ol {
  margin: 8px 0 12px;
  padding-left: 22px;
}

.button,
.button-quiet,
.button-danger {
  display: inline-block;
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--green);
  border-radius: 10px;
  background: transparent;
  color: var(--green);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
}

.button {
  min-height: 50px;
  padding: 11px 22px;
  background: var(--green);
  color: var(--on-green);
}

.button-danger {
  border-color: var(--danger);
  color: var(--danger);
}

.form {
  display: block;
}

.form label,
.issued label {
  display: block;
  margin: 14px 0 4px;
  font-weight: 600;
}

.form input[type="text"],
.form input[type="email"],
.form textarea,
.form select,
.issued input {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.form textarea {
  resize: vertical;
}

.form .button {
  margin-top: 18px;
}

.form .check {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 400;
}

.check input {
  width: 22px;
  height: 22px;
  margin: 0;
}

.form fieldset {
  margin: 20px 0 0;
  padding: 2px 14px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.form legend {
  padding: 0 6px;
  font-weight: 700;
  color: var(--green);
}

.form .note {
  margin: 6px 0 0;
  font-size: 16px;
}

.code-input {
  font-size: 26px !important;
  letter-spacing: 6px;
  text-align: center;
}

.emoji-input {
  max-width: 100px;
  font-size: 26px !important;
  text-align: center;
}

.form-error,
.field-error {
  color: var(--danger);
  font-weight: 600;
}

.field-error {
  margin: 4px 0 0;
  font-size: 16px;
}

.form-ok {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--green);
  color: var(--green);
  font-weight: 600;
}

.issued {
  padding: 16px;
  margin-bottom: 16px;
  border: 2px solid var(--green);
  border-radius: 14px;
  background: var(--surface);
}

.copy-row {
  display: flex;
  gap: 8px;
}

.copy-row input {
  flex: 1;
  min-width: 0;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.row-actions form {
  margin: 0;
}

.edit-link {
  float: right;
  min-height: 44px;
  padding: 8px 0;
}