:root {
  --accent: #2563eb; --accent-deep: #1d4ed8; --accent-soft: #eff4ff;
  --ink: #0f172a; --body: #475569; --muted: #94a3b8;
  --line: #e2e8f0; --bg: #f8fafc; --card: #ffffff;
  --display: "Bricolage Grotesque", "Inter", sans-serif;
}
* { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
body { font-family: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
       color: var(--body); background: var(--bg); line-height: 1.6; font-size: 15.5px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; }

/* Header */
header { background: rgba(255,255,255,.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; gap: 20px; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: var(--ink); letter-spacing: -.01em; }
.logo svg { flex: none; }
.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; font-weight: 600; color: var(--ink);
                padding: 6px 12px; border-radius: 8px; user-select: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary::after { content: " \25BE"; color: var(--muted); }
.menu summary:hover, .menu[open] summary { background: var(--accent-soft); }
.menu-list { position: absolute; top: calc(100% + 6px); left: 0; min-width: 210px;
             background: var(--card); border: 1px solid var(--line); border-radius: 12px;
             box-shadow: 0 8px 24px rgba(15,23,42,.10); padding: 6px; }
.menu-list a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-weight: 500; font-size: .92rem; }
.menu-list a:hover { background: var(--accent-soft); }
.menu-list a[aria-current] { color: var(--accent); font-weight: 600; }
.spacer { flex: 1; }

/* Hero */
.hero { text-align: center; padding: 56px 0 8px; position: relative; }
.hero::before { content: ""; position: absolute; inset: -80px 0 auto; height: 340px; z-index: -1;
                background: radial-gradient(520px 220px at 50% 0%, rgba(37,99,235,.10), transparent 70%); }
.eyebrow { font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
h1 { font-family: var(--display); color: var(--ink); font-size: 2.6rem; font-weight: 800;
     letter-spacing: -.025em; line-height: 1.12; margin-bottom: 14px; text-wrap: balance; }
h1 em { font-style: normal; color: var(--accent);
        background: linear-gradient(transparent 78%, rgba(37,99,235,.22) 78%); }
.hero p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.assure { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 26px; margin-top: 22px;
          font-size: .88rem; font-weight: 600; color: var(--ink); }
.assure span { display: inline-flex; align-items: center; gap: 7px; }
.assure svg { color: var(--accent); flex: none; }

/* Tool card */
.tool { background: var(--card); border: 1px solid var(--line); border-radius: 18px;
        box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 10px 30px rgba(15,23,42,.06);
        padding: 28px; margin: 32px auto 0; max-width: 640px; }
.drop { display: flex; flex-direction: column; align-items: center; gap: 12px;
        border: 1.5px dashed #cbd5e1; border-radius: 12px; padding: 40px 24px; text-align: center;
        cursor: pointer; background: var(--card); transition: border-color .15s, background .15s; }
.drop:hover, .drop:focus-within, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop .dicon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-soft);
               display: flex; align-items: center; justify-content: center; }
.drop-title { color: var(--ink); font-weight: 600; }
.drop-title span { color: var(--accent); }
.drop-sub { font-size: .82rem; color: var(--muted); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within { outline: 3px solid #bfd3fa; outline-offset: 2px; }

progress { width: 100%; height: 8px; margin-top: 18px; appearance: none; -webkit-appearance: none; }
progress::-webkit-progress-bar { background: var(--line); border-radius: 999px; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
#status { margin-top: 12px; min-height: 1.5em; font-size: .92rem; }
#status.ok { color: #047857; font-weight: 600; }
#status.error { color: #b91c1c; }
.btn { display: inline-block; padding: 12px 22px; font: inherit; font-weight: 600; text-align: center;
       border: 0; border-radius: 10px; background: var(--accent); color: #fff; cursor: pointer;
       transition: background .15s; }
.btn:hover { background: var(--accent-deep); }
.btn:focus-visible { outline: 3px solid #bfd3fa; outline-offset: 2px; }
.btn.full { display: block; width: 100%; margin-top: 14px; }
.btn.ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--accent-soft); }

/* Options row */
.opts { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 16px; }
.opts label { font-weight: 600; color: var(--ink); font-size: .9rem; }
.opts input[type=text], .opts select {
  font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--ink); flex: 1; min-width: 140px; }
.opts input:focus, .opts select:focus { outline: 2px solid #bfd3fa; border-color: var(--accent); }

/* File list (merge, images) */
.filelist { list-style: none; padding: 0; margin: 16px 0 0; }
.filelist li { display: flex; align-items: center; gap: 10px; padding: 9px 12px;
               border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; background: var(--card); }
.filelist .fname { flex: 1; color: var(--ink); font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filelist .fsize { color: var(--muted); font-size: .8rem; font-variant-numeric: tabular-nums; }
.iconbtn { border: 1px solid var(--line); background: var(--card); border-radius: 8px;
           width: 30px; height: 30px; cursor: pointer; color: var(--ink); font-size: .9rem; line-height: 1; }
.iconbtn:hover { background: var(--accent-soft); }

/* Thumbnails (organise) */
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; margin-top: 18px; }
.thumb { border: 1px solid var(--line); border-radius: 10px; background: var(--card); padding: 8px; text-align: center; cursor: grab; }
.thumb.dragging { opacity: .4; }
.thumb img { max-width: 100%; border: 1px solid var(--line); background: #fff; transition: transform .15s; }
.thumb .tno { font-size: .75rem; color: var(--muted); margin: 6px 0 4px; }
.thumb .tbtns { display: flex; justify-content: center; gap: 6px; }

/* Sections and grids */
section { padding: 46px 0 0; }
h2 { font-family: var(--display); color: var(--ink); font-size: 1.3rem; font-weight: 700;
     letter-spacing: -.015em; text-align: center; margin-bottom: 22px; }
.grid4 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cell { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
a.cell { display: block; transition: border-color .15s, box-shadow .15s, transform .15s; }
a.cell:hover { border-color: var(--accent); box-shadow: 0 6px 18px rgba(37,99,235,.12); transform: translateY(-2px); }
a.cell p { color: var(--body); }
.cell h3 { color: var(--ink); font-size: .98rem; font-weight: 600; margin: 8px 0 4px; }
.cell p { font-size: .87rem; }
.note { text-align: center; font-size: .84rem; color: var(--muted); margin-top: 20px; }
footer { text-align: center; font-size: .8rem; color: var(--muted);
         border-top: 1px solid var(--line); margin-top: 56px; padding: 20px 0 28px; }

@media (max-width: 760px) {
  .grid4 { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 1.9rem; }
}
@media (max-width: 640px) {
  .hero p br, h1 br { display: none; }
  .hero { padding-top: 40px; }
}
@media (max-width: 480px) {
  .grid4 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  a.cell, .btn, .drop, .thumb img { transition: none; }
}

/* Editor (edit.html) */
.edwide { max-width: 960px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 4px; }
.toolbar .btn { padding: 9px 14px; font-size: .9rem; }
.toolbar .btn.active { background: var(--accent-deep); box-shadow: inset 0 0 0 2px #bfd3fa; color: #fff; }
.toolbar select { font: inherit; font-size: .9rem; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); }
.toolbar .gap { flex: 1; }
.pager { display: flex; align-items: center; gap: 6px; font-size: .9rem; color: var(--ink); }
.pager input { width: 56px; text-align: center; font: inherit; padding: 7px 4px; border: 1px solid var(--line); border-radius: 8px; font-variant-numeric: tabular-nums; }
.pagebox { position: relative; margin: 18px auto 0; width: fit-content; box-shadow: 0 2px 12px rgba(15,23,42,.14); touch-action: none; user-select: none; }
.pagebox canvas { display: block; }
.ov-item { position: absolute; cursor: move; }
.ov-item.sel { outline: 2px solid var(--accent); }
.ov-text { min-width: 24px; min-height: 1em; padding: 1px 3px; white-space: pre-wrap; line-height: 1.2; font-family: Helvetica, Arial, sans-serif; cursor: move; }
.ov-text[contenteditable] { cursor: text; background: rgba(239,244,255,.6); }
.ov-rect { background: #fff; box-shadow: inset 0 0 0 1px rgba(148,163,184,.35); }
.ov-item img { display: block; width: 100%; height: 100%; pointer-events: none; }
.handle { position: absolute; right: -7px; bottom: -7px; width: 14px; height: 14px; background: var(--accent); border: 2px solid #fff; border-radius: 4px; cursor: nwse-resize; }
.delbtn { position: absolute; top: -13px; right: -13px; width: 24px; height: 24px; border-radius: 999px; border: 0; background: #b91c1c; color: #fff; font-size: .8rem; line-height: 1; cursor: pointer; }
.sigpanel { border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-top: 14px; background: var(--card); }
.sigpanel canvas { border: 1.5px dashed #cbd5e1; border-radius: 8px; background: #fff; touch-action: none; display: block; max-width: 100%; }
.sigrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; align-items: center; }
.edhint { font-size: .84rem; color: var(--muted); margin-top: 10px; }

/* FAQ */
.navlink { font-weight: 600; color: var(--ink); padding: 6px 12px; border-radius: 8px; }
.navlink:hover { background: var(--accent-soft); }
.navlink[aria-current] { color: var(--accent); }
.faq { max-width: 720px; margin: 28px auto 0; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
               padding: 4px 18px; margin-bottom: 10px; }
.faq summary { list-style: none; cursor: pointer; font-weight: 600; color: var(--ink);
               padding: 12px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 1.1rem; flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq details[open] { border-color: var(--accent); }
.faq details p { padding: 0 0 14px; font-size: .95rem; }
.faq details p + p { margin-top: -4px; }

/* Privacy panel (home): informational, deliberately unlike the clickable tool cards */
.privacy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
           background: linear-gradient(135deg, #eff4ff, #f6faff);
           border: 1px solid #dbe7fd; border-radius: 18px; padding: 30px 28px; }
.picon { display: inline-flex; width: 40px; height: 40px; border-radius: 999px; background: #fff;
         align-items: center; justify-content: center; box-shadow: 0 1px 4px rgba(37,99,235,.15); }
.pcol h3 { color: var(--ink); font-size: .95rem; font-weight: 600; margin: 10px 0 4px; }
.pcol p { font-size: .87rem; }

@media (max-width: 760px) {
  .privacy { grid-template-columns: 1fr; gap: 20px; padding: 22px 20px; }
  .pcol { display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; align-items: start; }
  .pcol .picon { grid-row: 1 / span 2; }
  .pcol h3 { margin: 0 0 2px; }
}