:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --text: #1d2321;
  --muted: #5f6b67;
  --line: #dcdfdb;
  --accent: #1f6f5c;
  --accent-text: #ffffff;
  --done: #2e7d4f;
  --skip: #a14a2a;
  --warn: #b3261e;
  --today: #e7f2ee;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121514;
    --card: #1b201e;
    --text: #e6ebe8;
    --muted: #9aa7a2;
    --line: #2c3431;
    --accent: #4fb396;
    --accent-text: #0e1513;
    --done: #6cc890;
    --skip: #e08a66;
    --warn: #ff8a80;
    --today: #1f2d28;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
header { padding: 16px 16px 4px; padding-top: calc(16px + env(safe-area-inset-top)); }
h1 { margin: 0; font-size: 22px; }
h2 { margin: 0 0 8px; font-size: 17px; }
main { max-width: 640px; margin: 0 auto; padding: 0 16px; }
#sub, .muted { color: var(--muted); font-size: 14px; }
.center { text-align: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; }
.row { display: flex; gap: 8px; align-items: center; }
.row > input { flex: 1; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
label { display: block; margin: 8px 0; font-size: 14px; color: var(--muted); }
label > input, label > select, textarea { display: block; width: 100%; margin-top: 4px; }
input, select, textarea, button { font: inherit; border-radius: 10px; }
input, select, textarea {
  padding: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); min-height: 44px;
}
button {
  padding: 10px 14px; min-height: 44px; border: 0; background: var(--accent); color: var(--accent-text); cursor: pointer;
}
label.button {
  display: flex; align-items: center; justify-content: center; text-align: center; cursor: pointer;
  padding: 10px 14px; min-height: 44px; border-radius: 10px; background: var(--accent); color: var(--accent-text);
  font-weight: 600;
}
#readiness-status { white-space: pre-line; }
button.warn { background: var(--warn); color: #fff; }
button.link { background: none; color: var(--muted); text-decoration: underline; min-height: 0; padding: 4px; }
button:disabled { opacity: .5; }
.day h3 { margin: 18px 0 6px; font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.day.is-today h3 { color: var(--accent); }
.session {
  display: flex; width: 100%; text-align: left; gap: 10px; align-items: flex-start;
  background: var(--card); color: var(--text); border: 1px solid var(--line); margin: 6px 0; padding: 12px;
}
.day.is-today .session { background: var(--today); }
.mark { flex: 0 0 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.mark.done { background: var(--done); border-color: var(--done); color: var(--card); }
.mark.skip { border-color: var(--skip); color: var(--skip); }
.session .name { font-weight: 600; }
.session .meta { font-size: 13px; color: var(--muted); }
.tier { font-size: 12px; padding: 1px 6px; border: 1px solid var(--line); border-radius: 6px; margin-left: 6px; color: var(--muted); }
.blocked { color: var(--warn); font-size: 13px; }
nav {
  position: fixed; bottom: 0; left: 0; right: 0; display: flex; background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
nav button { flex: 1; background: none; color: var(--muted); border-radius: 0; }
nav button[aria-current="page"] { color: var(--accent); font-weight: 600; }
dialog { border: 0; border-radius: 16px; padding: 16px; width: min(480px, calc(100vw - 32px)); background: var(--card); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / .45); }
fieldset { border: 1px solid var(--line); border-radius: 12px; margin: 12px 0; padding: 4px 14px 12px; background: var(--card); min-width: 0; }
select { max-width: 100%; }
legend { font-weight: 600; padding: 0 4px; }
.setting { padding: 10px 0; border-bottom: 1px solid var(--line); }
.setting:last-child { border-bottom: 0; }
.setting .help { font-size: 13px; color: var(--muted); margin: 2px 0 6px; }
.setting .toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--text); font-size: 16px; margin: 0; }
.setting input[type=checkbox] { width: 26px; height: 26px; min-height: 0; }
.setting.changed { box-shadow: inset 3px 0 0 var(--accent); padding-left: 8px; }
.save-bar { position: sticky; bottom: calc(72px + env(safe-area-inset-bottom)); display: flex; gap: 8px; justify-content: flex-end; padding: 8px 0; }
#toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(76px + env(safe-area-inset-bottom)); max-width: 480px; margin: 0 auto;
  background: var(--text); color: var(--bg); padding: 12px 14px; border-radius: 12px; opacity: 0; transform: translateY(8px);
  transition: opacity .2s, transform .2s; pointer-events: none; white-space: pre-line;
}
#toast.show { opacity: 1; transform: none; }
ol, ul { padding-left: 20px; margin: 0 0 8px; }

/* --- planning, feedback, standing --- */
h3 { margin: 14px 0 6px; font-size: 16px; }
button.secondary { background: var(--today); color: var(--accent); border: 1px solid var(--line); }
.row.wrap { flex-wrap: wrap; margin: 8px 0; }
#plan-note { width: 100%; margin: 6px 0; }
#plan-status { margin-top: 6px; }
ul.plain { list-style: none; padding: 0; margin: 8px 0; }
ul.plain li { padding: 8px 0; border-bottom: 1px solid var(--line); }
ul.plain li:last-child { border-bottom: 0; }
ul.plain .meta { font-size: 13px; color: var(--muted); }
ul.warnings { font-size: 14px; color: var(--muted); }
.help { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.segmented { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 8px 0; }
.segmented label { flex: 1; margin: 0; text-align: center; color: var(--text); font-size: 15px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 10px 4px; min-height: 44px; }
.segmented input:checked + span { background: var(--accent); color: var(--accent-text); }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -2px; }
#feedback-text { margin: 8px 0; }
#record[aria-pressed="true"] { background: var(--warn); color: #fff; border-color: var(--warn); }
.days { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.day-chip { margin: 0; }
.day-chip input { position: absolute; opacity: 0; pointer-events: none; }
.day-chip span { display: inline-block; min-width: 46px; text-align: center; padding: 8px 6px; border: 1px solid var(--line);
  border-radius: 8px; color: var(--muted); text-transform: capitalize; }
.day-chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.day-chip input:focus-visible + span { outline: 2px solid var(--accent); }
details.more { margin: 12px 0; }
details.more > summary { cursor: pointer; padding: 12px 0; color: var(--muted); font-weight: 600; }
.standing-item { padding: 10px 0; border-bottom: 1px solid var(--line); }
.standing-item textarea { margin: 0 0 6px; }
label.mini { display: inline-flex; flex-direction: column; margin: 0; font-size: 12px; min-width: 0; flex: 1 1 110px; }
label.mini > input, label.mini > select { margin-top: 2px; min-height: 36px; padding: 6px 8px; width: 100%; }
nav button { font-size: 13px; padding: 10px 2px; }
label.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--text); font-size: 15px; }
label.toggle input { width: 26px; height: 26px; min-height: 0; flex: none; }
#proposal-debrief h3 { margin-top: 10px; }
.status-example { color: var(--skip); border-color: var(--skip); }
.status-retired { opacity: .6; }
.variant-row { display: grid; grid-template-columns: 90px 1fr; gap: 6px 8px; align-items: start; padding: 8px 0; border-bottom: 1px solid var(--line); }
.variant-row textarea { margin: 0; }
.variant-row button { grid-column: 2; justify-self: end; }
#lib-dialog { max-height: 90vh; overflow-y: auto; }
#library-list .session { margin: 0; }

/* --- progress: charts follow the dataviz marks spec --- */
:root { --series-1: #2a78d6; --grid: #e1e0d9; --axis: #c3c2b7; --tick: #898781; }
@media (prefers-color-scheme: dark) { :root { --series-1: #3987e5; --grid: #2c2c2a; --axis: #383835; } }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.kpi-label { font-size: 13px; color: var(--muted); }
.kpi-value { font-size: 26px; font-weight: 600; margin-top: 2px; }
.kpi-sub { font-size: 13px; color: var(--muted); }
.chart { position: relative; }
.chart-svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-svg .grid { stroke: var(--grid); stroke-width: 1; }
.chart-svg .axis { stroke: var(--axis); stroke-width: 1; }
.chart-svg .ref { stroke: var(--tick); stroke-width: 1; }
.chart-svg .tick { fill: var(--tick); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart-svg .value { fill: var(--text); font-size: 11px; font-weight: 600; }
.chart-svg .mark { fill: var(--series-1); }
.chart-svg .col.current .mark { fill-opacity: .45; }
.chart-svg .col:hover .mark, .chart-svg .col:focus .mark { fill-opacity: .8; }
.chart-svg .col:focus { outline: none; }
.chart-svg .hit { fill: transparent; }
.chart-svg .line { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart-svg .dot { fill: var(--series-1); stroke: var(--card); stroke-width: 2; }
.chart-svg .cross { stroke: var(--axis); stroke-width: 1; }
.tip { position: absolute; top: 0; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 8px; font-size: 13px; pointer-events: none; box-shadow: 0 2px 8px rgb(0 0 0 / .12);
  display: flex; flex-direction: column; white-space: nowrap; }
.tip[hidden] { display: none; }
.tip strong { font-size: 15px; }
.tip span { color: var(--muted); }
.table-view { margin-top: 6px; font-size: 14px; }
.table-view summary { color: var(--muted); cursor: pointer; padding: 6px 0; }
.table-view table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table-view th, .table-view td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); }
#test-form { margin-top: 12px; }
.segmented label, .day-chip { position: relative; }
.segmented input, .day-chip input { left: 0; top: 0; width: 1px; height: 1px; }
.chart-svg .col.paused .mark { fill: var(--axis); }

/* --- inbox --- */
.badge { display: inline-block; min-width: 18px; margin-left: 4px; padding: 0 5px; border-radius: 9px;
  background: var(--warn); color: #fff; font-size: 11px; line-height: 18px; font-weight: 600; }
.badge[hidden] { display: none; }
.inbox-text { margin: 4px 0 8px; white-space: pre-wrap; overflow-wrap: anywhere; }
.inbox-proposal { margin: 8px 0; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.inbox-proposal ul { margin: 6px 0; }
ul.plain .inbox-proposal li { border: 0; padding: 2px 0; }
[hidden] { display: none !important; }
.offline { margin: 6px 0 0; padding: 6px 10px; border-radius: 8px; background: var(--today); color: var(--skip); font-size: 13px; }