:root {
  --green: #146E33;
  --green-dark: #0d4d23;
  --yellow: #FFEF2C;
  --line: #DCE9E0;
  --ink: #2b2b2b;
  --muted: #5d6b62;
  --bg: #f3f7f4;
  --card: #ffffff;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Montserrat, Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.5;
}

.top {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px max(16px, calc((100vw - 1200px) / 2));
  background: var(--card);
  border-bottom: 4px solid var(--yellow);
  flex-wrap: wrap;
}
.top-logo { width: 170px; height: auto; display: block; }
.top h1 { margin: 0 0 4px; font-size: 1.5rem; color: var(--green); }
.top p { margin: 0; color: var(--muted); }

.layout {
  max-width: 1200px;
  margin: 24px auto 48px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.help-card { grid-column: 1 / -1; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: 0 1px 2px rgba(20, 110, 51, .06), 0 4px 18px rgba(20, 110, 51, .06);
}
.card h2 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h2:not(:first-child) { margin-top: 26px; }
.step {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: .8rem;
}

form { display: flex; flex-direction: column; gap: 14px; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
@media (max-width: 420px) { .row { grid-template-columns: minmax(0, 1fr); } }

label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: .82rem;
  font-weight: 700;
}
.opt { font-weight: 400; color: var(--muted); }

input {
  width: 100%;
  min-width: 0;
  font: inherit;
  font-size: .95rem;
  padding: 10px 12px;
  border: 1.5px solid #cfdcd3;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(20, 110, 51, .15);
}
input:user-invalid { border-color: #c0392b; }

.hint { margin: 0; font-size: .8rem; color: var(--muted); }

.link-btn {
  align-self: flex-start;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: .82rem;
  color: var(--muted);
  text-decoration: underline;
  cursor: pointer;
}

.preview-scroll {
  overflow-x: auto;
  border: 1px dashed #cfdcd3;
  border-radius: 10px;
  background: repeating-conic-gradient(#f6f8f7 0% 25%, #fff 0% 50%) 50% / 20px 20px;
  padding: 16px;
}
.preview { width: 680px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  font: inherit;
  font-weight: 700;
  font-size: .9rem;
  padding: 11px 18px;
  border-radius: 9px;
  border: 1.5px solid var(--green);
  background: #fff;
  color: var(--green);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover { background: #e9f3ec; }
.btn.primary { background: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.btn.ghost { border-color: #cfdcd3; color: var(--muted); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.status { min-height: 1.5em; margin: 12px 0 0; font-size: .88rem; font-weight: 500; }
.status.ok { color: var(--green); }
.status.err { color: #c0392b; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button {
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 8px 10px;
  color: var(--muted);
  cursor: pointer;
}
.tabs button[aria-selected="true"] { color: var(--green); border-bottom-color: var(--green); font-weight: 700; }
.tab-panel ol { margin: 0; padding-left: 22px; }
.tab-panel li { margin: 4px 0; }
kbd {
  font-family: inherit;
  font-size: .8em;
  padding: 1px 6px;
  border: 1px solid #cfdcd3;
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #fafcfb;
}