:root {
  --red: #e5322d;
  --red-dark: #c62b27;
  --ink: #1e2430;
  --gray: #6b7280;
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

[hidden] { display: none !important; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo { font-size: 22px; font-weight: 800; color: var(--ink); text-decoration: none; }
.logo span { color: var(--red); }

main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 32px 20px 64px; }

.hero { text-align: center; margin: 24px 0 40px; }
.hero h1 { font-size: 34px; margin-bottom: 12px; }
.hero p { color: var(--gray); font-size: 17px; max-width: 640px; margin: 0 auto; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
  text-align: left;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.tool-card .icon { font-size: 30px; margin-bottom: 10px; }
.tool-card h3 { font-size: 16px; margin-bottom: 6px; }
.tool-card p { font-size: 13px; color: var(--gray); line-height: 1.4; }

.cat-label {
  grid-column: 1 / -1;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray);
  margin-top: 14px;
}

/* Страница инструмента */
.back { background: none; border: none; color: var(--red); font-size: 15px; cursor: pointer; margin-bottom: 18px; }
#view-tool h1 { font-size: 28px; margin-bottom: 6px; }
.tool-desc { color: var(--gray); margin-bottom: 24px; }

.dropzone {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--red); background: #fff5f5; }
.dz-icon { font-size: 42px; margin-bottom: 10px; }
.dz-hint { color: var(--gray); font-size: 13px; margin-top: 6px; }

.file-list { list-style: none; margin-top: 14px; }
.file-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.file-list .size { color: var(--gray); font-size: 12px; margin-left: 10px; }
.file-list button { background: none; border: none; color: var(--gray); font-size: 18px; cursor: pointer; }
.file-list button:hover { color: var(--red); }

.options { margin: 20px 0; display: grid; gap: 14px; max-width: 480px; }
.options label { font-size: 14px; font-weight: 600; display: block; margin-bottom: 5px; }
.options input[type=text], .options input[type=number], .options input[type=password],
.options select, .options textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--card);
}
.options .hint { font-size: 12px; color: var(--gray); margin-top: 3px; }
.options .check { display: flex; align-items: center; gap: 8px; font-weight: 400; }

.btn-primary {
  display: inline-block;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
}
.btn-primary:hover:not(:disabled) { background: var(--red-dark); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }

.btn-secondary {
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 24px;
  font-size: 15px;
  cursor: pointer;
  margin-left: 10px;
}

/* Превью страниц */
.preview { margin-top: 18px; }
.preview-hint { font-size: 13px; color: var(--gray); margin-bottom: 10px; }
.thumbs { display: flex; flex-wrap: wrap; gap: 10px; }
.thumb {
  position: relative;
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: border-color .1s, transform .1s;
}
.thumb:hover { border-color: #f0a3a1; }
.thumb.sel { border-color: var(--red); box-shadow: 0 0 0 2px rgba(229,50,45,.25); }
.thumb.dragging { opacity: .4; }
.thumb canvas { display: block; }
.thumb span {
  position: absolute;
  bottom: 4px; right: 4px;
  background: rgba(30,36,48,.75);
  color: #fff;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 6px;
}

.progress-wrap { margin-top: 24px; }
.progress-bar { background: var(--border); border-radius: 99px; height: 10px; overflow: hidden; }
#progress-fill { background: var(--red); height: 100%; width: 0; transition: width .4s; }
#progress-text { margin-top: 8px; color: var(--gray); font-size: 14px; }

.result { margin-top: 24px; }
.result p { font-size: 18px; margin-bottom: 14px; }

.error {
  margin-top: 20px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
}

footer { text-align: center; padding: 24px; color: var(--gray); font-size: 13px; border-top: 1px solid var(--border); }

/* Шапка справа */
.nav-right { margin-left: auto; display: flex; gap: 8px; }
.nav-link {
  background: none; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 16px; font-size: 14px; cursor: pointer; color: var(--ink);
}
.nav-link:hover { border-color: var(--red); color: var(--red); }

/* Модалка */
.modal-back {
  position: fixed; inset: 0; background: rgba(20,24,32,.5);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--card); border-radius: var(--radius); padding: 28px;
  width: 100%; max-width: 380px; position: relative;
  display: flex; flex-direction: column; gap: 10px;
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  font-size: 18px; color: var(--gray); cursor: pointer;
}
.modal label { font-size: 13px; font-weight: 600; }
.modal input {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.modal .btn-primary { margin-top: 6px; }
.modal-note { font-size: 12px; color: var(--gray); text-align: center; }
.tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.tab {
  flex: 1; padding: 9px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; cursor: pointer;
}
.tab.active { background: var(--red); color: #fff; border-color: var(--red); font-weight: 700; }

/* Мои файлы */
.file-row {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.file-row .meta { flex: 1; min-width: 200px; }
.file-row .meta b { font-size: 14px; }
.file-row .meta small { display: block; color: var(--gray); font-size: 12px; margin-top: 2px; }
.file-row .btn-dl {
  background: var(--red); color: #fff; border-radius: 8px; padding: 8px 18px;
  font-size: 13px; font-weight: 700; text-decoration: none;
}
.file-row .status-err { color: #b91c1c; font-size: 13px; }

/* Визуальный редактор */
.editor { margin-top: 18px; }
.editor-bar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; position: sticky; top: 64px; z-index: 5; margin-bottom: 14px;
}
.editor-bar button {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; font-size: 14px; cursor: pointer;
}
.editor-bar button.active { background: var(--red); color: #fff; border-color: var(--red); }
.editor-bar select, .editor-bar input[type=color] {
  padding: 6px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px;
}
.editor-bar .spacer { flex: 1; }
.editor-bar .ed-hint { font-size: 12px; color: var(--gray); width: 100%; }
.editor-pages { display: flex; flex-direction: column; gap: 16px; align-items: center; }
.ed-page { position: relative; box-shadow: 0 2px 12px rgba(0,0,0,.12); }
.ed-page canvas { display: block; }
.ed-overlay { position: absolute; inset: 0; }
.ed-overlay.mode-text { cursor: text; }
.ed-overlay.mode-rect, .ed-overlay.mode-crop { cursor: crosshair; }
.ed-item-text {
  position: absolute; white-space: pre; pointer-events: none;
  font-family: system-ui, sans-serif; line-height: 1;
}
.ed-item-rect { position: absolute; pointer-events: none; }
.ed-input {
  position: absolute; border: 1px dashed var(--red); background: rgba(255,255,255,.9);
  font-family: system-ui, sans-serif; padding: 0; outline: none; line-height: 1;
  min-width: 60px;
}
.ed-crop-rect {
  position: absolute; border: 2px dashed var(--red);
  background: rgba(229,50,45,.12); pointer-events: none;
}
.ed-page-num {
  position: absolute; top: 6px; left: 6px; background: rgba(30,36,48,.7);
  color: #fff; font-size: 11px; padding: 2px 7px; border-radius: 6px; z-index: 2;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 26px; }
  main { padding: 20px 14px 48px; }
}