:root { --g:#1F4D35; --g2:#2E6B4A; --c:#2F3438; --l:#6B7378; --bg:#F4F6F4; --line:#e3e6e4; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--c); line-height: 1.45; background: var(--bg); }
.w { max-width: 980px; margin: 0 auto; padding: 0 16px; }
header { background: #fff; border-bottom: 1px solid var(--line); }
header .w { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 12px; }
header img { height: 40px; width: auto; }
header nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
header a.home { color: var(--g); font-weight: bold; text-decoration: none; }
a { color: var(--g); }
main { padding: 20px 0 108px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 0 0 8px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin: 0 0 14px; }
.trial { background: #fff; border-left: 5px solid var(--g); }
.trial p, .hint, .checkline { margin: 0 0 8px; color: var(--l); }
.trial p:last-child, .hint:last-child { margin-bottom: 0; }
.btn, button.btn { display: inline-block; background: var(--g); color: #fff; padding: 12px 18px; border-radius: 6px; text-decoration: none; font-weight: bold; border: 0; font-size: 16px; cursor: pointer; font-family: inherit; }
.btn.secondary { background: #fff; color: var(--g); border: 2px solid var(--g); }
.btn.small { padding: 8px 12px; font-size: 14px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
label, .lbl { font-weight: bold; font-size: 14px; display: block; margin: 0 0 4px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.full { grid-column: 1 / -1; }
input, select, textarea { width: 100%; padding: 11px; border: 1px solid #c9cfcc; border-radius: 6px; font-size: 16px; font-family: inherit; color: var(--c); background: #fff; }
textarea { min-height: 88px; resize: vertical; }
.unit, .fact { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin: 0 0 10px; background: var(--bg); }
.choice { display: flex; gap: 10px; align-items: flex-start; font-weight: normal; margin: 8px 0; }
.choice input { width: auto; margin-top: 3px; }
.files { list-style: none; padding: 0; margin: 8px 0 0; }
.files li { display: flex; justify-content: space-between; gap: 8px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.missing { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin: 0 0 14px; }
.missing ul { margin: 8px 0 0; padding-left: 18px; }
.missing a { color: var(--g); }
.warn { background: #FFF4D6; border-radius: 8px; padding: 12px 16px; margin: 0 0 14px; }
.preview-scroll { overflow-x: auto; background: #e7ece8; border-radius: 8px; padding: 12px; }
.preview-scroll figure { margin: 0 0 12px; }
.preview-scroll figcaption { font-size: 13px; color: var(--l); margin-top: 4px; }
.preview-scroll canvas { background: #fff; display: block; }
.logo-preview { max-width: 160px; max-height: 48px; display: block; margin-top: 8px; }
.dock { position: fixed; left: 0; right: 0; bottom: 0; background: #fff; border-top: 1px solid var(--line); padding: 10px 16px; display: flex; gap: 10px; align-items: center; justify-content: space-between; z-index: 5; }
.dock p { margin: 0; font-size: 14px; color: var(--l); }
.dock .btn { flex: 0 0 auto; }
footer { background: var(--c); color: #cfd4d2; padding: 28px 0 36px; font-size: 14px; }
footer a { color: #fff; }
.status { font-weight: bold; color: var(--g); }
[hidden] { display: none !important; }
@media (max-width: 700px) {
  h1 { font-size: 26px; }
  header img { height: 32px; }
  .grid { grid-template-columns: 1fr; }
  .trial .actions { flex-direction: column; }
  .trial .btn { width: 100%; text-align: center; }
  .dock { flex-wrap: wrap; }
  .dock .btn { width: 100%; text-align: center; }
}