:root {
  --text: #1f2933;
  --muted: #616e7c;
  --line: #d9dee4;
  --bg: #f6f7f9;
  --card: #ffffff;
  --accent: #2563eb;
  --bad: #c62828;
  --bad-bg: #fdecec;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.45; }

.top {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  max-width: 1280px; margin: 0 auto; padding: 20px 20px 8px;
}
h1 { margin: 0; font-size: 1.5rem; }
.subtitle { margin: 4px 0 0; color: var(--muted); }
.lang { flex: none; }

button {
  font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Desktop: inputs on the left, chart on the right. Phone: chart on top. */
.layout {
  display: grid; gap: 20px; max-width: 1280px; margin: 0 auto; padding: 8px 20px 20px;
  grid-template-columns: 380px minmax(0, 1fr);
  grid-template-areas: "inputs results";
  align-items: start;
}
.results { grid-area: results; }
.inputs { grid-area: inputs; }
@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "results" "inputs"; padding: 8px 12px 16px; }
  .top { padding: 16px 12px 4px; }
  h1 { font-size: 1.3rem; }
}

.results, fieldset {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
}
fieldset { margin: 0 0 16px; min-width: 0; }
legend { font-weight: 600; padding: 0 6px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 12px; }
.toolbar-label { font-weight: 600; }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 6px 12px; }
.segmented input:checked + span { background: var(--accent); color: #fff; }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -2px; }

.toolbar-hint { margin: 0; flex: 1 1 220px; }
.unit-bar { margin: 10px 0 12px; }

.chart-box { position: relative; height: 420px; }
.chart-box.by-amount canvas { cursor: row-resize; }

/* The amount reading: when each lifestyle reaches the level under the pointer. */
.readout {
  position: absolute; z-index: 2; pointer-events: none; max-width: min(340px, 92%);
  background: rgba(17, 24, 39, .92); color: #fff; border-radius: 8px; padding: 8px 10px;
  font-size: .85rem; box-shadow: 0 4px 14px rgba(0, 0, 0, .2);
}
.readout .r-title { font-weight: 600; margin-bottom: 4px; }
.readout .r-row { display: grid; grid-template-columns: 12px auto 1fr; gap: 2px 6px; align-items: baseline; padding: 2px 0; }
.readout .dot { width: 9px; height: 9px; margin: 0; }
.readout .r-when { text-align: right; }
.readout .r-sub { grid-column: 2 / 4; color: #cbd2d9; font-size: .8rem; }

.when { display: inline-block; text-align: right; }
.when-sub.wrap { white-space: normal; max-width: 10em; margin-left: auto; }
.when-sub.neg { color: var(--bad); }
.need-toggle { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: .92rem; cursor: pointer; }
.need-toggle input { width: 16px; height: 16px; }
.stop-hint { margin: 4px 0 0; }
.when-sub { display: block; color: var(--muted); font-size: .8rem; }
@media (max-width: 820px) { .chart-box { height: 300px; } }

.banner { background: var(--bad-bg); color: var(--bad); border-radius: 8px; padding: 8px 12px; margin: 0 0 12px; }

.table-wrap { overflow-x: auto; margin-top: 16px; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; white-space: nowrap; }
th, td { padding: 8px; border-bottom: 1px solid var(--line); text-align: right; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; white-space: normal; vertical-align: bottom; }

/* Phone: each lifestyle a card, one "label  value" line per number. */
@media (max-width: 820px) {
  #summary thead { display: none; }
  #summary, #summary tbody, #summary tr { display: block; width: 100%; }
  #summary tr { border: 1px solid var(--line); border-radius: 8px; padding: 4px 12px; margin-bottom: 10px; }
  #summary td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 5px 0; }
  #summary td::before { content: attr(data-label); color: var(--muted); text-align: left; }
  #summary td:first-child { display: block; font-weight: 600; border-bottom: 1px solid var(--line); padding: 8px 0; margin-bottom: 2px; }
  #summary td:first-child::before { content: none; }
  #summary .when-sub.wrap { max-width: 16em; }
}
.neg { color: var(--bad); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

.share { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.share-msg { flex-basis: 100%; margin: 0; color: var(--muted); font-size: .9rem; }
.link-box { flex-basis: 100%; font: inherit; font-size: .85rem; padding: 8px; border: 1px solid var(--line); border-radius: 8px; }

.field { margin-bottom: 14px; }
.field > label { display: block; font-weight: 500; margin-bottom: 4px; }
.field.check > label { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.field.check input { width: 18px; height: 18px; }
.box { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(37, 99, 235, .15); }
.box .unit { padding: 0 10px; color: var(--muted); }
/* 16px stops iOS from zooming in when a box gets focus. */
.box input { flex: 1; min-width: 0; border: 0; background: transparent; font: inherit; font-size: 16px; padding: 8px 10px; outline: none; }
.box .unit + input { padding-left: 0; }
.hint { display: block; color: var(--muted); font-size: .85rem; margin: 4px 0 0; }
.error { display: block; color: var(--bad); font-size: .85rem; margin-top: 4px; }
.field.bad .box { border-color: var(--bad); }

.life { display: grid; grid-template-columns: 14px minmax(0, 1fr) minmax(0, 1fr) auto; gap: 8px; align-items: center; margin-bottom: 10px; }
.life .dot { margin: 0; }
.life .remove { padding: 6px 10px; }
.life .unit.after { padding-left: 0; white-space: nowrap; }
.life .error { grid-column: 3 / 5; margin-top: 0; }
.add { width: 100%; margin-top: 4px; }

.foot { max-width: 1280px; margin: 0 auto; padding: 0 20px 24px; color: var(--muted); font-size: .85rem; }
.foot p { margin: 2px 0; }