:root {
  --bg: #f3f6f4;
  --ink: #1a2420;
  --muted: #5a6660;
  --card: #fff;
  --line: #d5ddd8;
  --accent: #0f6b5c;
  --warn: #9a4a12;
  --warn-bg: #fff4e5;
  --err: #8a1f2b;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  font-size: 15px;
}
a { color: var(--accent); }
h1 { font-size: 1.22rem; line-height: 1.2; margin: 0 0 4px; color: var(--accent); }
h2 { font-size: 16px; margin: 0 0 8px; font-weight: 650; }
.top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.logo { color: var(--accent); font-weight: 700; text-decoration: none; }
.top .lang { margin-left: auto; display: flex; align-items: center; gap: 6px; font-size: .85rem; }
select, button, input { font: inherit; color: var(--ink); min-height: 40px; }
.lang select { min-width: 7.5rem; }
.suggest {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  padding: 8px 12px; background: #fff8e8; border-bottom: 1px solid #f0e0b0;
}
.suggest[hidden], [hidden] { display: none !important; }
.tool, .reading, footer { width: min(960px, calc(100% - 24px)); margin-left: auto; margin-right: auto; }
.tool { margin-top: 10px; margin-bottom: 10px; }
.lede { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.steps {
  display: flex; gap: 6px; margin: 0 0 8px;
}
.steps span {
  flex: 1; text-align: center; padding: 6px 4px; border-radius: 999px;
  background: #e7eeea; font-size: .78rem; font-weight: 650;
}
.steps span.on { background: var(--accent); color: #fff; }
.drop {
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  background: var(--card);
  min-height: 132px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 12px; cursor: pointer;
}
.drop.drag { background: #e7f4f0; }
.privacy, .note { color: var(--muted); font-size: .85rem; margin: 6px 0 0; }
.points { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 0; padding: 0; list-style: none; }
.points li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font-size: .78rem; }
.alert { background: #fdecee; color: var(--err); padding: 8px 10px; border-radius: 8px; margin: 8px 0; }
.warn { background: var(--warn-bg); color: var(--warn); padding: 8px 10px; border-radius: 8px; margin: 8px 0; }
.work { display: grid; gap: 10px; }
@media (min-width: 800px) {
  .work.ready { grid-template-columns: 160px 1fr; }
}
.thumbs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
@media (min-width: 800px) {
  .thumbs { flex-direction: column; overflow: auto; max-height: 420px; }
}
.thumb {
  min-width: 88px; border: 2px solid var(--line); border-radius: 8px; background: #fff; padding: 4px; cursor: pointer;
}
.thumb.on { border-color: var(--accent); }
.thumb.skip { opacity: .45; }
.thumb canvas { display: block; width: 80px; height: auto; }
.stage { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; }
.stage-wrap { position: relative; width: min(100%, 520px); margin: 0 auto; }
.stage-wrap canvas { width: 100%; height: auto; display: block; }
.crop {
  position: absolute; border: 2px solid var(--accent); background: rgba(15,107,92,.12); touch-action: none;
}
.crop i {
  position: absolute; width: 16px; height: 16px; background: var(--accent); border-radius: 2px;
}
.crop .nw { left: -8px; top: -8px; }
.crop .ne { right: -8px; top: -8px; }
.crop .sw { left: -8px; bottom: -8px; }
.crop .se { right: -8px; bottom: -8px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.actions {
  position: sticky; top: 0; z-index: 3;
  background: #fff; padding: 6px 0 8px; margin-top: 0;
}
button {
  border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 8px 12px; cursor: pointer;
}
.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.reading { margin: 12px auto 20px; }
footer { margin: 0 auto 28px; }
.howto-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0 0 14px;
}
@media (min-width: 640px) {
  .howto-strip { grid-template-columns: 1fr 1fr 1fr; }
}
.howto-card {
  display: flex; gap: 10px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.howto-n {
  flex: 0 0 22px; width: 22px; height: 22px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.howto-card strong { display: block; font-size: 16px; font-weight: 650; }
.howto-card p { margin: 2px 0 0; font-size: 14px; color: var(--muted); line-height: 1.4; }
.acc { margin: 0; }
.acc h2 { margin-bottom: 8px; }
.acc details { background: #fff; border: 1px solid var(--line); border-radius: 8px; margin: 0 0 6px; }
.acc summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 40px; padding: 8px 12px; font-size: 16px; font-weight: 600; line-height: 1.3;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: ""; flex: 0 0 8px; width: 8px; height: 8px; margin-left: 8px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg); transition: transform .15s;
}
.acc details[open] summary::after { transform: rotate(45deg); }
.acc-body { padding: 0 12px 12px; font-size: 15px; }
.acc-body p { margin: 0 0 8px; }
.acc-body p:last-child { margin-bottom: 0; }
.answer { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; margin: 12px 0; font-size: 14px; }
.answer h2 { font-size: 16px; margin-bottom: 4px; }
.answer p { margin: 0; }
.defs p { margin: 0 0 8px; }
.size-table { width: 100%; border-collapse: collapse; }
.size-table td, .size-table th { border: 1px solid var(--line); padding: 6px 8px; text-align: left; }
.modal {
  position: fixed; inset: 0; background: rgba(20,28,24,.45); display: flex; align-items: flex-end; justify-content: center; z-index: 40;
}
@media (min-width: 700px) {
  .modal { align-items: center; }
}
.modal-card {
  background: #fff; width: min(560px, 100%); max-height: 88vh; overflow: auto;
  border-radius: 16px 16px 0 0; padding: 16px; position: relative;
}
@media (min-width: 700px) {
  .modal-card { border-radius: 16px; }
}
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.tabs button.on { background: var(--accent); color: #fff; }
.x {
  position: absolute; top: 8px; right: 8px; min-width: 40px; min-height: 40px;
}
footer { color: var(--muted); font-size: .88rem; }