/* =========================================================
   Design tokens — "бланк / штамп", не типовой SaaS-кит.
   ========================================================= */
:root {
  --paper: #efede6;        /* фон — приглушённая бумага, не кремовое клише */
  --paper-raised: #fbfaf7; /* поверхность карточек/инструмента — светлее фона */
  --ink: #211f1c;          /* основной текст */
  --ink-soft: #6b665f;     /* вторичный текст */
  --stamp: #a23824;        /* единственный акцент — цвет штампа */
  --stamp-dark: #7e2a19;   /* hover-состояние акцента */
  --line: #ddd8cc;         /* тонкие линии, как линовка бланка */
  --focus: #1c5fae;        /* фокус-кольцо / ссылки — отдельно от акцента */
  --success: #3d6b3f;
  --error: #a23824;
  --radius: 3px;           /* почти без скругления — бланк, не app-карточка */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

h1, h2, .hub-title {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

a { color: var(--focus); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- header --- */
.site-header {
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
}
.logo {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}
.crumbs {
  font-size: 13px;
  color: var(--ink-soft);
}
.crumbs a { color: var(--ink-soft); text-decoration-color: var(--line); }

main h1 {
  font-size: 30px;
  margin: 32px 0 18px;
  text-align: center;
}
.format-badge + h1 {
  margin-top: 4px;
}

/* --- format badge (PDF -> DOCX), используется в шапке инструмента --- */
.format-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 32px 0 6px;
}
.format-badge__tag {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 3px 9px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
}
.format-badge__arrow {
  color: var(--stamp);
  font-weight: 700;
}

.tool {
  background: var(--paper-raised);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 32px;
}

.hidden { display: none !important; }

/* --- drop zone --- */
.drop-zone {
  border: 2px dashed var(--ink-soft);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--stamp);
  background: #f6efe9;
}
.drop-zone__icon { font-size: 36px; opacity: 0.75; }
.drop-zone__title { font-size: 18px; font-weight: 600; margin: 10px 0 4px; font-family: "Source Serif 4", Georgia, serif; }
.drop-zone__or { color: var(--ink-soft); margin: 4px 0 12px; font-size: 13px; }
.drop-zone__hint { color: var(--ink-soft); font-size: 12px; margin-top: 12px; font-family: "IBM Plex Mono", monospace; }

.btn {
  display: inline-block;
  border: 1.5px solid var(--stamp);
  border-radius: var(--radius);
  padding: 11px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.btn--primary { background: var(--stamp); color: #fff; }
.btn--primary:hover { background: var(--stamp-dark); border-color: var(--stamp-dark); }
.btn--secondary { background: transparent; color: var(--ink); border-color: var(--line); margin-top: 10px; }
.btn--secondary:hover { border-color: var(--ink-soft); }

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 18px;
  font-family: "IBM Plex Mono", monospace;
}

.ocr-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 12px 14px;
  background: transparent;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
}
.ocr-toggle input { width: 16px; height: 16px; accent-color: var(--stamp); }

/* --- processing --- */
.processing { text-align: center; padding: 30px 0; }
.spinner {
  width: 34px; height: 34px;
  border: 3px solid var(--line);
  border-top-color: var(--stamp);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.6s; }
}

/* --- done --- */
.done { text-align: center; padding: 20px 0; }
.done__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2.5px solid var(--stamp);
  border-radius: 50%;
  color: var(--stamp);
  font-size: 24px;
  font-weight: 700;
  transform: rotate(-8deg);
}
.done__title { font-size: 20px; font-weight: 700; margin: 10px 0 4px; font-family: "Source Serif 4", Georgia, serif; }
.done__meta { color: var(--ink-soft); font-size: 13px; margin-bottom: 20px; font-family: "IBM Plex Mono", monospace; }
.done .btn { display: block; width: 100%; text-align: center; margin-bottom: 4px; }

/* --- error --- */
.error {
  text-align: center;
  padding: 20px;
  background: #f6efe9;
  border: 1.5px solid var(--stamp);
  border-radius: var(--radius);
  color: var(--stamp-dark);
}

/* --- related tools --- */
.related { margin-bottom: 32px; }
.related h2 { font-size: 16px; }
.related ul { display: flex; gap: 12px; list-style: none; padding: 0; flex-wrap: wrap; }
.related a {
  display: inline-block;
  padding: 8px 14px;
  background: var(--paper-raised);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-family: "IBM Plex Mono", monospace;
}
.related a:hover { border-color: var(--stamp); color: var(--stamp); }

/* --- seo text --- */
.seo-text { margin-bottom: 60px; }
.seo-text h2 { font-size: 19px; margin-top: 30px; }
.seo-text ol { padding-left: 20px; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--ink-soft); margin: 8px 0 0; }

.site-footer {
  border-top: 2px solid var(--ink);
  padding: 20px 0 40px;
}
.site-footer .wrap { display: flex; gap: 20px; font-size: 13px; }
.site-footer a { color: var(--ink-soft); }

/* =========================================================
   Hub page — карточки-талоны с перфорацией, не SaaS-плашки
   ========================================================= */
.hub-title {
  font-size: 34px;
  text-align: center;
  margin: 48px 0 10px;
}
.hub-subtitle {
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
  margin-bottom: 44px;
  font-family: "IBM Plex Mono", monospace;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  margin-bottom: 64px;
}
.tool-ticket {
  position: relative;
  display: block;
  background: var(--paper-raised);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 22px 20px 20px 26px;
  text-decoration: none;
  color: var(--ink);
  transition: transform .12s, box-shadow .12s;
}
.tool-ticket:hover {
  transform: translateY(-2px);
}
/* перфорация слева, как у отрывного талона */
.tool-ticket::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  background-image: radial-gradient(circle, var(--paper) 2px, transparent 2.2px);
  background-size: 10px 14px;
  background-position: 0 4px;
  border-right: 1px dashed var(--line);
}
.tool-ticket__format {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.tool-ticket__tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 7px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
}
.tool-ticket__arrow { color: var(--stamp); font-weight: 700; font-size: 13px; }
.tool-ticket__title {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}
.tool-ticket__desc { font-size: 13px; color: var(--ink-soft); line-height: 1.45; }

/* --- merge: file list with reordering --- */
.file-list-panel__hint {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.file-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.file-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
}
.file-list__item:last-child { border-bottom: none; }
.file-list__name {
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-list__actions { display: flex; gap: 4px; flex-shrink: 0; }
.file-list__btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
}
.file-list__btn:hover:not(:disabled) { border-color: var(--stamp); color: var(--stamp); }
.file-list__btn:disabled { opacity: 0.3; cursor: not-allowed; }
.file-list__btn--remove:hover { border-color: var(--stamp); color: var(--stamp); }
.file-list-panel__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.file-list-panel__actions .btn { margin-top: 0; }

/* --- split: options panel --- */
.split-options__filename {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  word-break: break-all;
}
.split-mode {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 10px;
  cursor: pointer;
  font-size: 14px;
}
.split-mode input { accent-color: var(--stamp); }
.split-range {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 4px 14px 16px 38px;
  margin-top: -6px;
  margin-bottom: 10px;
}
.split-range label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.split-range input[type="number"] {
  width: 64px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
}
.split-range__hint {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--ink-soft);
  margin: 4px 0 0;
}
.split-range--disabled { opacity: 0.35; pointer-events: none; }
.split-options__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.split-options__actions .btn { margin-top: 0; }

@media (max-width: 480px) {
  main h1 { font-size: 23px; }
  .hub-title { font-size: 25px; margin-top: 28px; }
  .tool { padding: 16px; }
  .drop-zone { padding: 28px 12px; }
}