/* ── Local PDF — private, in-browser PDF tools ─────────────────────── */
:root {
  --brand: #e11d48;
  --brand-dark: #be123c;
  --brand-soft: #fff1f2;
  --brand-border: #fecdd3;
  --ink: #1a1a2e;
  --muted: #6b7280;
  --line: #e7e8ee;
  --bg: #f7f7fb;
  --card: #ffffff;
  --ok: #0f766e;
  --shadow: 0 1px 3px rgba(20,20,40,.06), 0 8px 24px rgba(20,20,40,.05);
  --shadow-lg: 0 20px 60px rgba(20,20,40,.14);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }

/* ── Top bar ───────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px max(28px, env(safe-area-inset-right)) 14px max(28px, env(safe-area-inset-left));
  padding-top: max(14px, env(safe-area-inset-top));
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo svg { width: 30px; height: 30px; }
.logo b { font-size: 17px; font-weight: 800; letter-spacing: -.3px; }
.privacy-pill {
  display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 600; color: var(--ok);
  background: #f0fdf9; border: 1px solid #99f6e4;
  padding: 5px 12px; border-radius: 999px;
  margin-right: -10px;
}
.privacy-pill svg { width: 14px; height: 14px; }

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero { text-align: center; padding: 52px 24px 26px; }
.hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -1.2px; }
.hero h1 .accent { color: var(--brand); }
.hero p { font-size: 18px; color: var(--muted); margin-top: 12px; }
.hero .reassure { margin-top: 16px; font-size: 13.5px; color: var(--ok); font-weight: 600; }

/* ── Tool grid ─────────────────────────────────────────────────────── */
.wrap { max-width: 1000px; margin: 0 auto; padding: 0 24px 64px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
@media (max-width: 820px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.tool {
  text-align: left; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px; box-shadow: var(--shadow);
  transition: transform .14s, box-shadow .14s, border-color .14s;
  display: flex; flex-direction: column; gap: 8px;
}
.tool:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--brand-border); }
.tool .ico {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand);
}
.tool .ico svg { width: 24px; height: 24px; }
.tool h3 { font-size: 16px; font-weight: 700; }
.tool p { font-size: 13.5px; color: var(--muted); }

/* ── Tool workspace ────────────────────────────────────────────────── */
.workspace { max-width: 900px; margin: 0 auto; padding: 24px; }
.ws-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.back {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600;
  color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 6px 12px;
}
.back:hover { color: var(--ink); border-color: #cfd1db; }
.ws-title { font-size: 24px; font-weight: 800; letter-spacing: -.5px; }
.ws-sub { color: var(--muted); font-size: 14.5px; margin: 2px 0 20px; }

/* ── Drop zone ─────────────────────────────────────────────────────── */
.drop {
  border: 2px dashed var(--brand-border); border-radius: 16px;
  background: var(--brand-soft); padding: 40px 24px; text-align: center;
  transition: background .15s, border-color .15s;
}
.drop.drag { background: #ffe4e6; border-color: var(--brand); }
.drop .big { font-size: 38px; }
.drop h4 { font-size: 17px; font-weight: 700; margin-top: 8px; }
.drop p { color: var(--muted); font-size: 13.5px; margin-top: 4px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark)); color: #fff;
  border: none; border-radius: 11px; padding: 11px 22px; font-size: 15px; font-weight: 700;
  box-shadow: 0 3px 12px rgba(225,29,72,.32);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(225,29,72,.4); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: #cfd1db; }
.btn.sm { padding: 8px 15px; font-size: 13.5px; }

/* ── File list (merge) ─────────────────────────────────────────────── */
.filelist { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.fileitem {
  display: flex; align-items: center; gap: 12px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
}
.fileitem .grip { color: #c4c8d4; cursor: grab; font-size: 18px; user-select: none; }
.fileitem.dragging { opacity: .4; }
.fileitem .thumb { width: 34px; height: 44px; border-radius: 4px; border: 1px solid var(--line); object-fit: cover; background: #f1f2f6; flex-shrink: 0; }
.fileitem .meta { flex: 1; min-width: 0; }
.fileitem .name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fileitem .sub { font-size: 12px; color: var(--muted); }
.fileitem .x { background: none; border: none; color: #c4c8d4; font-size: 16px; padding: 4px 6px; border-radius: 6px; }
.fileitem .x:hover { color: var(--brand); background: var(--brand-soft); }

/* ── Page thumbnails (organize / split) ────────────────────────────── */
.pagegrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 14px; margin-top: 18px; }
.page {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; box-shadow: var(--shadow); transition: box-shadow .12s, transform .12s;
}
.page.dragging { opacity: .4; }
.page.selected { outline: 3px solid var(--brand); outline-offset: -1px; }
.page canvas { display: block; width: 100%; height: auto; background: #fff; cursor: grab; }
.page .num {
  position: absolute; left: 6px; top: 6px; background: rgba(26,26,46,.72); color: #fff;
  font-size: 11px; font-weight: 700; border-radius: 6px; padding: 1px 7px;
}
.page .ctl { position: absolute; right: 6px; top: 6px; display: flex; gap: 4px; }
.page .ctl button {
  width: 24px; height: 24px; border-radius: 6px; border: none; background: rgba(255,255,255,.92);
  color: #444; font-size: 13px; display: flex; align-items: center; justify-content: center; box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.page .ctl button:hover { background: #fff; color: var(--brand); }

/* ── Controls row ──────────────────────────────────────────────────── */
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.controls .spacer { flex: 1; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.field input, .field select {
  border: 1.5px solid var(--line); border-radius: 9px; padding: 8px 11px; font-size: 14px; font-family: inherit; color: var(--ink); background: #fff;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--brand); }
.radios { display: flex; flex-direction: column; gap: 8px; }
.radios label { display: flex; align-items: center; gap: 8px; font-size: 14.5px; cursor: pointer; }
.radios input { accent-color: var(--brand); }
.hint { font-size: 12.5px; color: var(--muted); }

/* ── Status / progress ─────────────────────────────────────────────── */
.status { margin-top: 16px; padding: 11px 14px; border-radius: 10px; font-size: 13.5px; font-weight: 500; animation: fade .2s; }
.status.info { background: #eef2ff; color: #4338ca; border: 1px solid #c7d2fe; }
.status.ok { background: #f0fdf9; color: var(--ok); border: 1px solid #99f6e4; }
.status.err { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
@keyframes fade { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }
.spinner { display: inline-block; width: 15px; height: 15px; border: 2.5px solid #c7d2fe; border-top-color: #4338ca; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -3px; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── How it works / footer ─────────────────────────────────────────── */
.strip { max-width: 1000px; margin: 0 auto; padding: 8px 24px 8px; display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.strip .item { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); }
.strip .item svg { width: 16px; height: 16px; color: var(--ok); }
footer { text-align: center; color: #9ca3bf; font-size: 12.5px; padding: 30px 24px max(40px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); margin-top: 30px; }
footer a { color: var(--muted); }

/* ── Pro paywall modal ────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(20,20,40,.45); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal {
  background: var(--card); border-radius: 18px; padding: 28px; max-width: 380px; width: 100%;
  box-shadow: var(--shadow-lg);
}
.pro-modal h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.pro-price { margin-bottom: 16px; }
.pro-price-amt { font-size: 28px; font-weight: 800; color: var(--brand-dark); }
.pro-price-note { font-size: 13.5px; color: var(--muted); }
.pro-features { padding-left: 20px; margin-bottom: 20px; color: #333; font-size: 14px; }
.pro-features li { margin-bottom: 6px; }
.pro-actions { display: flex; gap: 10px; }
.pro-actions .btn { flex: 1; }
.pro-msg:empty { margin: 0; }
.pro-modal .hint { margin-bottom: 16px; }

/* ── Restore-by-code UI ───────────────────────────────────────────── */
.restore-code-box {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--brand-soft); border: 1.5px dashed var(--brand-border); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 18px;
}
.restore-code-value { font-size: 15px; font-weight: 700; letter-spacing: .5px; color: var(--brand-dark); word-break: break-all; }
.restore-code-input {
  width: 100%; border: 1.5px solid var(--line); border-radius: 9px; padding: 10px 12px;
  font-size: 15px; font-family: inherit; letter-spacing: .5px; margin-bottom: 14px;
  color: var(--ink); background: #fff; text-transform: uppercase;
}
.restore-code-input:focus { outline: none; border-color: var(--brand); }
.restore-link {
  display: block; width: 100%; text-align: center; background: none; border: none;
  color: var(--muted); font-size: 12.5px; margin-top: 12px; padding: 4px;
  text-decoration: underline; font-family: inherit;
}
.restore-link:hover { color: var(--brand-dark); }

/* ── Pro license card (modal + save-nag banner) ───────────────────── */
.license-modal { max-width: 560px; }
.license-card-wrap { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 18px; }
.license-card-canvas { max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.license-card-wrap .btn { margin-top: 0; }
.save-nag {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  background: var(--brand-soft); border-bottom: 1px solid var(--brand-border);
  color: var(--brand-dark); font-size: 13px; font-weight: 600;
  padding: 8px max(14px, env(safe-area-inset-right)) 8px max(14px, env(safe-area-inset-left));
}
.save-nag-view {
  background: #fff; border: 1px solid var(--brand-border); color: var(--brand-dark);
  border-radius: 8px; padding: 4px 12px; font-size: 12.5px; font-weight: 700;
}
.save-nag-view:hover { border-color: var(--brand); }
.save-nag-x { background: none; border: none; color: var(--brand-dark); font-size: 17px; line-height: 1; padding: 2px 7px; border-radius: 6px; opacity: .65; }
.save-nag-x:hover { opacity: 1; background: #ffe4e6; }


/* ── Keyboard focus visibility (WCAG 2.4.7) — added from experience audit ── */
:focus-visible { outline: 2px solid var(--brand, currentColor); outline-offset: 2px; border-radius: 3px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible, .restore-code-input:focus-visible { outline: 2px solid var(--brand, currentColor); outline-offset: 1px; }