* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #fbf7f0;
  color: #222;
  line-height: 1.5;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 32px; }
h1 { margin: 0; font-size: 2.4rem; }
h2 { margin-top: 0; font-size: 1.15rem; }
.tag { color: #555; }
.card {
  background: #fff;
  border: 2px solid #222;
  border-radius: 12px;
  box-shadow: 4px 4px 0 #222;
  padding: 18px;
  margin: 20px 0;
}
.row { display: flex; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
input, select, textarea {
  flex: 1;
  min-width: 0;
  font: inherit;
  padding: 10px;
  border: 1.5px solid #999;
  border-radius: 8px;
}
textarea { width: 100%; resize: vertical; }
button {
  font: inherit;
  font-weight: 600;
  padding: 10px 16px;
  border: 2px solid #222;
  border-radius: 8px;
  background: #ff7a45;
  color: #fff;
  cursor: pointer;
}
button.ghost { background: #fff; color: #222; }
button:disabled { opacity: .5; cursor: not-allowed; }
.hint { color: #666; font-size: .9rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1.5px solid #bbb;
  background: #f3f3f3;
  cursor: pointer;
  user-select: none;
  font-size: .9rem;
}
.chip.on { background: #ffe1d4; border-color: #ff7a45; font-weight: 600; }
.progress { height: 8px; background: #eee; border-radius: 4px; overflow: hidden; }
#bar { height: 100%; width: 0; background: #2bb673; transition: width .2s; }
.quick { margin-top: 14px; padding: 12px; border-radius: 8px; }
.quick.bad { background: #ffe5e5; border: 1.5px solid #e04848; }
.quick.ok { background: #e6f7ee; border: 1.5px solid #2bb673; }
.answer {
  margin-top: 14px;
  padding: 14px;
  background: #fafafa;
  border-left: 4px solid #ff7a45;
  white-space: pre-wrap;
}
.hidden { display: none; }
footer { color: #777; font-size: .85rem; padding-bottom: 40px; }
footer a { color: #d9531e; }
mark { background: #ffd2d2; padding: 0 2px; border-radius: 3px; }