:root {
  --bg: #fdf6e8;
  --card: #fffdf7;
  --ink: #3d3229;
  --muted: #8b7d6d;
  --accent: #c1562a;
  --accent-soft: #f7e3d2;
  --brown: #7a5c3e;
  --green: #4f7a3a;
  --green-soft: #e8f2df;
  --line: #d9c6ac;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0; padding: 14px;
  background: var(--bg); color: var(--ink);
  font: 19px/1.55 -apple-system, "Segoe UI", system-ui, sans-serif;
}
.sheet {
  max-width: 640px; margin: 0 auto;
  background: var(--card);
  border: 2px solid var(--line); border-radius: 22px;
  padding: 22px 20px 30px;
}
h1 { font-size: 28px; color: var(--accent); margin: 0 0 4px; letter-spacing: .5px; }
h2 { font-size: 24px; color: var(--brown); margin: 0; }
.sub { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
p { margin: 0 0 10px; }
b, strong { color: var(--accent); }

.hdr { display: flex; align-items: center; gap: 14px; border-bottom: 3px solid var(--accent); padding-bottom: 12px; margin-bottom: 18px; }
.hdr .pig { font-size: 42px; }
.num { flex: 0 0 46px; height: 46px; border-radius: 50%; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-size: 24px; font-weight: 700; }

.box { border: 2px dashed var(--line); border-radius: 16px; padding: 14px 16px; margin: 14px 0; }
.say { border-left: 5px solid var(--accent); background: var(--accent-soft);
  border-radius: 0 12px 12px 0; padding: 12px 16px; margin: 16px 0; }
.bonus { background: var(--green-soft); border: 2px solid #bcd6a8; border-radius: 16px; padding: 14px 16px; margin: 16px 0; }
.bonus h3 { margin: 0 0 8px; color: var(--green); font-size: 18px; }
ul.facts { list-style: none; padding: 0; margin: 0; }
ul.facts li { padding: 7px 0 7px 24px; position: relative; }
ul.facts li::before { content: "●"; color: var(--green); position: absolute; left: 0; }

/* výběrové dlaždice */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.tile input, .opt input { position: absolute; opacity: 0; }
.tile {
  display: block; text-align: center; cursor: pointer;
  border: 2px solid var(--line); border-radius: 14px; padding: 12px 6px;
  background: #fff; transition: .15s; position: relative; user-select: none;
}
.tile .emo { display: block; font-size: 34px; }
.tile:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); transform: scale(1.03); }
.tile:has(input:checked)::after { content: "✓"; position: absolute; top: 4px; right: 8px; color: var(--accent); font-weight: 700; }

.opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 480px) { .opts { grid-template-columns: 1fr; } }
.opt {
  display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none;
  border: 2px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fff;
}
.opt .bx { flex: 0 0 26px; height: 26px; border: 2px solid var(--line); border-radius: 7px; display: grid; place-items: center; font-weight: 700; color: #fff; }
.opt:has(input:checked) { border-color: var(--green); background: var(--green-soft); }
.opt:has(input:checked) .bx { background: var(--green); border-color: var(--green); }
.opt:has(input:checked) .bx::after { content: "✓"; }
.opt .price { margin-left: auto; font-weight: 700; color: var(--brown); }

input[type=text], input[type=number], select {
  font: inherit; padding: 8px 12px; border: 2px solid var(--line); border-radius: 10px;
  background: #fff; color: var(--ink); min-width: 0;
}
input[type=number] { width: 5.5em; text-align: center; font-weight: 700; }
input:focus, select:focus { outline: none; border-color: var(--accent); }

table.tab { width: 100%; border-collapse: collapse; }
table.tab td { padding: 10px 4px; border-bottom: 1px dotted var(--line); }
table.tab td:last-child { text-align: right; white-space: nowrap; }
.axis { text-align: center; color: var(--green); font-weight: 700; letter-spacing: 3px; margin-top: 6px; }
.axis + .sub { text-align: center; }

.pairs { display: grid; gap: 8px; }
.pair { display: flex; align-items: center; gap: 10px; }
.pair span { flex: 0 0 100px; font-weight: 700; color: var(--brown); }
.pair select { flex: 1; }

.btn {
  display: inline-block; font: inherit; font-weight: 700; cursor: pointer;
  background: var(--accent); color: #fff; border: none;
  border-radius: 14px; padding: 14px 26px; text-decoration: none; margin-top: 6px;
}
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--brown); border: 2px solid var(--line); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 18px; }

.fb { margin-top: 14px; padding: 14px 16px; border-radius: 14px; font-weight: 700; }
.fb.good { background: var(--green-soft); color: var(--green); border: 2px solid #bcd6a8; }
.fb.bad { background: #fdecec; color: #b3402f; border: 2px solid #f0c3bb; }

/* rozcestník */
a.task { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit;
  border: 2px solid var(--line); border-radius: 16px; padding: 12px 14px; margin-bottom: 10px; background: #fff; }
a.task.done { border-color: var(--green); background: var(--green-soft); }
a.task .t { font-weight: 700; }
a.task .chk { margin-left: auto; font-size: 26px; }
.bar { height: 14px; border-radius: 8px; background: #eee2cd; overflow: hidden; margin: 4px 0 20px; }
.bar > div { height: 100%; background: var(--green); transition: width .4s; }

.cert { text-align: center; }
.cert .big { font-family: Georgia, serif; font-size: 34px; color: var(--accent); line-height: 1.2; margin: 10px 0; }
.stamp { display: inline-grid; place-items: center; width: 150px; height: 150px; border: 3px solid var(--accent);
  border-radius: 50%; color: var(--accent); font-weight: 700; transform: rotate(-12deg); margin: 20px auto; line-height: 1.3; }
.locked { opacity: .35; filter: grayscale(1); }

/* odměnový gif po splnění úkolu */
.rew { margin: 14px 0 0; padding: 0; text-align: center; }
.rew img {
  max-width: 100%; border-radius: 16px; border: 2px solid var(--line);
  display: block; margin: 0 auto;
}
.rew figcaption { margin-top: 8px; color: var(--muted); font-size: 15px; }
.hero { margin: 0 0 16px; padding: 0; text-align: center; }
.hero img { max-width: 100%; border-radius: 18px; border: 2px solid var(--line); display: block; margin: 0 auto; }
.hero figcaption { margin-top: 8px; color: var(--muted); font-size: 14px; }

/* kvíz s výběrem jedné odpovědi */
.quiz .q { font-weight: 700; color: var(--brown); margin: 18px 0 8px; }
.quiz .opts { grid-template-columns: 1fr; }
.opt:has(input[type=radio]) .bx { border-radius: 50%; }
table.tab.card td:first-child { color: var(--muted); }