:root{--bg:#f4f6f8;--card:#fff;--ink:#1b2430;--muted:#667085;--line:#dfe4ea;--accent:#111827;--soft:#eef2f6;--ok:#0f766e;--warn:#92400e;--danger:#b42318}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:18px clamp(18px,4vw,52px);background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.brand{font-weight:900;font-size:22px;letter-spacing:-.5px}.brand span{font-weight:650}.subtitle{font-size:12px;color:var(--muted);margin-top:2px}.pill{padding:7px 10px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;font-weight:700}.wrap{max-width:1180px;margin:0 auto;padding:28px 20px 56px}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;align-items:stretch;margin-bottom:16px}.hero>div{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}.hero h1{margin:0 0 8px;font-size:32px;letter-spacing:-1px}.hero p{margin:0;color:var(--muted);line-height:1.55}.privacy{font-size:14px;line-height:1.55}.architecture-note{margin-bottom:20px;padding:13px 16px;background:#eef6ff;border:1px solid #cfe2f8;border-radius:12px;font-size:13px;line-height:1.5}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tool{appearance:none;border:1px solid var(--line);background:var(--card);border-radius:16px;padding:20px;text-align:left;cursor:pointer;transition:.18s;min-height:120px;color:inherit}.tool:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.08);border-color:#c8d0da}.tool:focus-visible{outline:3px solid rgba(17,24,39,.18);outline-offset:2px}.tool strong{display:block;font-size:17px;margin-bottom:8px}.tool span{display:block;color:var(--muted);font-size:13px;line-height:1.45}.tool .module-id{margin-top:10px;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#98a2b3}.panel{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.panel h2{margin:0;font-size:24px}.panel-head p{margin:6px 0 0;color:var(--muted)}.hidden{display:none!important}.drop{border:2px dashed #cfd7e1;border-radius:14px;padding:24px;text-align:center;background:#fafbfc}.drop input{max-width:100%}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}button.primary,button.secondary{border:0;border-radius:10px;padding:11px 15px;font-weight:800;cursor:pointer}button.primary{background:var(--accent);color:white}button.secondary{background:var(--soft);color:var(--ink)}button:disabled{opacity:.5;cursor:not-allowed}.field{display:grid;gap:6px;margin:12px 0}.field label{font-size:13px;font-weight:750}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;background:#fff}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.filelist,.pagelist{display:grid;gap:8px;margin-top:14px}.fileitem,.pageitem{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff}.filemeta{min-width:0}.filemeta b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filemeta small{color:var(--muted)}.mini{border:0;background:var(--soft);padding:7px 9px;border-radius:8px;font-weight:700;cursor:pointer}.pageitem .controls{display:flex;gap:6px;flex-wrap:wrap}.badge{font-size:12px;background:var(--soft);border-radius:999px;padding:4px 8px}.notes{margin-top:24px;background:#fff8e8;border:1px solid #f3dfb0;border-radius:16px;padding:18px;line-height:1.55}.notes h3{margin:0 0 7px}.notes p{margin:0;color:#5b4630;font-size:14px}footer{text-align:center;padding:22px;color:var(--muted);font-size:12px}.toast{position:fixed;right:18px;bottom:18px;z-index:20;background:#111827;color:white;padding:12px 15px;border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.2);max-width:360px}.busy{position:fixed;inset:0;z-index:30;background:rgba(15,23,42,.55);display:grid;place-items:center;align-content:center;gap:12px;color:white;font-weight:800}.spinner{width:38px;height:38px;border-radius:50%;border:4px solid rgba(255,255,255,.35);border-top-color:white;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hint{color:var(--muted);font-size:13px;line-height:1.45}.danger{color:var(--danger)}.success{color:var(--ok)}.module-error{padding:14px;border-radius:12px;background:#fff1f0;border:1px solid #f4c7c3;color:#7a271a;font-size:13px;line-height:1.5}.module-status{font-size:12px;color:var(--muted);margin-top:12px}.checkline{display:flex;gap:9px;align-items:center;font-size:13px}.checkline input{width:18px;height:18px}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}}@media(max-width:560px){.grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}.topbar{padding:14px 16px}.brand{font-size:19px}.wrap{padding:18px 14px 40px}.hero h1{font-size:27px}.panel-head{align-items:center}.fileitem,.pageitem{align-items:flex-start;flex-direction:column}}

/* v1.0.2 - Drag & drop de archivos y ordenamiento visual */
.drop.drop-enabled{position:relative;cursor:pointer;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease;outline:none}
.drop.drop-enabled::before{content:'Arrastrá y soltá aquí';display:block;font-weight:850;font-size:15px;margin-bottom:8px;color:var(--ink)}
.drop.drop-enabled:hover,.drop.drop-enabled:focus-visible{border-color:#9aa7b6;background:#f7f9fb;box-shadow:0 0 0 3px rgba(17,24,39,.05)}
.drop.drop-enabled.is-dragover{border-color:var(--accent);background:#eef2f6;box-shadow:0 0 0 4px rgba(17,24,39,.08)}
.drop.drop-enabled.is-dragover::before{content:'Soltá los archivos aquí'}
.drop.drop-enabled input[type=file]{position:relative;z-index:1}
.fileitem[draggable=true],.pageitem[draggable=true]{cursor:grab;user-select:none}
.fileitem[draggable=true]:active,.pageitem[draggable=true]:active{cursor:grabbing}
.fileitem.dragging,.pageitem.dragging{opacity:.48}
.fileitem.drag-target,.pageitem.drag-target{border-color:var(--accent);box-shadow:0 0 0 2px rgba(17,24,39,.08)}
.draghandle{display:inline-flex;align-items:center;gap:5px;margin-right:8px;font-size:12px;font-weight:800;color:var(--muted);white-space:nowrap}
.selected-file{margin-top:10px;font-size:13px;color:var(--muted);font-weight:700;word-break:break-word}

/* v1.0.3 - Constructor visual de formularios PDF */
.merge-pagination-toggle{margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fafbfc}
.form-workspace{display:grid;grid-template-columns:minmax(240px,290px) minmax(0,1fr);gap:16px;margin-top:18px;align-items:start}
.form-sidebar{position:sticky;top:92px;border:1px solid var(--line);border-radius:14px;padding:14px;background:#fafbfc;max-height:calc(100vh - 115px);overflow:auto}
.form-sidebar h3{margin:4px 0 10px;font-size:16px}.form-tip{padding:10px 11px;border-radius:10px;background:#eef2f6;color:var(--muted);font-size:12px;line-height:1.45;margin-bottom:12px}.field-editor{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}.form-summary{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.form-canvas-panel{min-width:0}.form-pagebar{display:flex;justify-content:center;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}.form-stage-scroll{overflow:auto;max-width:100%;padding:10px;background:#e7ebf0;border:1px solid var(--line);border-radius:14px}.form-stage{position:relative;margin:0 auto;background:white;box-shadow:0 6px 22px rgba(15,23,42,.12);touch-action:none}.form-stage canvas{position:absolute;inset:0;display:block}.form-overlay{position:absolute;inset:0;cursor:crosshair;touch-action:none;user-select:none}.form-field-draft{position:absolute;border:2px dashed #2563eb;background:rgba(37,99,235,.12);pointer-events:none}.form-field-box{position:absolute;overflow:hidden;border:2px solid #2563eb;background:rgba(37,99,235,.14);color:#123c7a;font:700 10px/1.15 system-ui,sans-serif;text-align:left;padding:3px;cursor:pointer;white-space:nowrap;text-overflow:ellipsis}.form-field-box:hover{background:rgba(37,99,235,.22)}.form-field-box.selected{border-color:#111827;background:rgba(17,24,39,.16);color:#111827;box-shadow:0 0 0 2px rgba(255,255,255,.85) inset}
@media(max-width:850px){.form-workspace{grid-template-columns:1fr}.form-sidebar{position:static;max-height:none}.form-stage-scroll{padding:6px}}