/* Logbook 205 — placeholder palette. Swap these tokens for the original's
   colors/fonts once logbook-205-original.html is in the repo. */
:root {
  --paper: #f5f2ea;
  --card: #fffdf8;
  --ink: #1f2a2e;
  --muted: #6b7478;
  --line: #ddd6c8;
  --accent: #2f6f5e;
  --accent-ink: #ffffff;
  --amber: #a86410;
  --red: #b42318;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.4 var(--font);
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px calc(24px + env(safe-area-inset-bottom));
}
[hidden] {
  display: none !important;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 480px;
  margin: 0 auto;
  padding: calc(12px + env(safe-area-inset-top)) 16px 8px;
}
h1 {
  font-size: 1.25rem;
  margin: 0;
  letter-spacing: 0.02em;
}
h2 {
  font-size: 1.1rem;
  margin: 0 0 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 14px;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.center {
  text-align: center;
}
.msg {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.9rem;
}

label {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}
input,
textarea {
  font: inherit;
  font-size: 16px; /* stops iOS zooming on focus */
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  width: 100%;
}
input:focus,
textarea:focus,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input.invalid {
  border-color: var(--red);
  background: #fff4f2;
}
input::placeholder {
  color: #aab0b2;
}

button {
  font: inherit;
  cursor: pointer;
}
.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 8px;
  padding: 12px;
  font-weight: 600;
}
.link {
  background: none;
  border: 0;
  color: var(--accent);
  padding: 4px 0;
  justify-self: start;
}

/* date bar */
.datebar {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  gap: 8px;
  align-items: center;
  margin: 8px 0 4px;
}
.arrow {
  height: 44px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  color: var(--ink);
}
.datebox {
  text-align: center;
}
.datebox input {
  text-align: center;
  padding: 6px;
  font-weight: 600;
}
#today {
  display: block;
  margin: 0 auto 6px;
}

/* session + done */
.session {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.s-title {
  font-weight: 700;
  font-size: 1.1rem;
}
.s-title.rest {
  color: var(--muted);
}
.done {
  flex: none;
  min-width: 96px;
  height: 44px;
  border-radius: 22px;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-weight: 700;
}
.done[aria-pressed='true'] {
  background: var(--accent);
  color: var(--accent-ink);
}

/* inputs */
.row {
  grid-template-columns: 1fr;
}
.unit {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}
.quick {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}
legend {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 4px;
  padding: 0;
}
.chips {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 4px;
}
.chip {
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
.chip[aria-checked='true'] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}
.chip[data-value='4'],
.chip[data-value='5'],
.chip[data-value='6'],
.chip[data-value='7'],
.chip[data-value='8'],
.chip[data-value='9'],
.chip[data-value='10'] {
  border-color: #e7b9b3;
}
.chip[aria-checked='true'][data-value='4'],
.chip[aria-checked='true'][data-value='5'],
.chip[aria-checked='true'][data-value='6'],
.chip[aria-checked='true'][data-value='7'],
.chip[aria-checked='true'][data-value='8'],
.chip[aria-checked='true'][data-value='9'],
.chip[aria-checked='true'][data-value='10'] {
  background: var(--red);
  border-color: var(--red);
}

/* status line */
.status {
  min-height: 1.4em;
  margin: 10px 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}
.status[data-state='saved'] {
  color: var(--accent);
}
.status[data-state='offline'],
.status[data-state='cached'] {
  color: var(--amber);
  font-weight: 600;
}
.status[data-state='error'] {
  color: var(--red);
  font-weight: 600;
}