:root{--navy-0: #0a1220;--navy-1: #0d1526;--navy-2: #101b30;--navy-3: #16233c;--line: rgba(148, 163, 184, .14);--line-strong: rgba(148, 163, 184, .24);--text: #e8edf5;--text-dim: #94a3b8;--teal: #2dd4bf;--teal-deep: #14b8a6;--sky: #38bdf8;--accent: var(--teal);--accent-ink: #052e2b;--accent-soft: rgba(45, 212, 191, .14);--grad: linear-gradient(92deg, #2dd4bf 0%, #38bdf8 100%);--canvas-bg: #0b1424;--paper-shadow: 0 18px 50px rgba(2, 6, 16, .65);--ok: #34d399;--warn: #fbbf24;--danger: #fb7185;--radius: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}.hidden{display:none!important}html,body{margin:0;padding:0;font-family:var(--font);color:var(--text);background:var(--navy-0)}body{display:flex;flex-direction:column;min-height:100dvh}button{font-family:var(--font)}::selection{background:#2dd4bf4d}.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 16px;background:#0a1220eb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;margin-right:4px;text-decoration:none;color:var(--text)}.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:11px;color:var(--accent-ink);font-family:var(--mono);box-shadow:0 0 18px #2dd4bf59}.brand .name{font-weight:700;font-size:15px;letter-spacing:-.01em}.brand .ver{font-size:10px;color:var(--text-dim);border:1px solid var(--line-strong);padding:2px 8px;border-radius:999px;font-family:var(--mono)}.toolgroup{display:flex;align-items:center;gap:2px;background:var(--navy-1);border:1px solid var(--line);border-radius:999px;padding:3px}.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;background:transparent;color:var(--text-dim);font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s,border-color .15s,box-shadow .15s}.btn:hover:not(:disabled){background:var(--navy-3);color:var(--text)}.btn:focus-visible{outline:2px solid var(--teal);outline-offset:1px}.btn:disabled{opacity:.35;cursor:default}.btn.active{background:var(--accent-soft);border-color:#2dd4bf73;color:var(--teal)}.btn.primary{background:var(--grad);color:var(--accent-ink);box-shadow:0 4px 18px #2dd4bf47}.btn.primary:hover:not(:disabled){filter:brightness(1.08)}.btn.primary:disabled{filter:saturate(.4) brightness(.7)}.btn svg{width:15px;height:15px;flex:none}.btn .kbd{font-family:var(--mono);font-size:9.5px;opacity:.6;border:1px solid currentColor;border-radius:4px;padding:0 4px}select.btn{appearance:none;padding-right:26px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;border-color:var(--line);background-color:var(--navy-1)}.spacer{flex:1}#app{display:flex;flex:1 1 auto;min-height:420px}#workspace{flex:1;min-width:0;position:relative;display:flex;flex-direction:column;background:var(--canvas-bg)}#scrollContainer{flex:1 1 auto;min-height:0;overflow:auto;background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);background-size:28px 28px}#pageWrap{position:relative;margin:32px auto;box-shadow:var(--paper-shadow);background:#fff;border-radius:2px}#pdfCanvas{position:absolute;inset:0;display:block;border-radius:2px}#overlay{position:absolute;inset:0;touch-action:none;outline:none}#overlay.drawing *{pointer-events:none}#overlay:not(.drawing) .markup{cursor:pointer}.loading-pill{position:absolute;top:14px;left:50%;transform:translate(-50%);z-index:30;background:var(--navy-2);border:1px solid var(--line-strong);color:var(--teal);font-size:12px;font-weight:600;padding:7px 16px;border-radius:999px;box-shadow:var(--paper-shadow)}#dropzone{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:24px;background:radial-gradient(600px 300px at 50% 20%,rgba(45,212,191,.09),transparent 70%),radial-gradient(500px 260px at 70% 80%,rgba(56,189,248,.06),transparent 70%),var(--canvas-bg);background-image:radial-gradient(600px 300px at 50% 20%,rgba(45,212,191,.09),transparent 70%),radial-gradient(500px 260px at 70% 80%,rgba(56,189,248,.06),transparent 70%),linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px),var(--canvas-bg);background-size:100% 100%,100% 100%,28px 28px,28px 28px,100% 100%}#dropzone.hidden{display:none}#dropzone.drag{outline:2px dashed var(--teal);outline-offset:-14px}#dropzone .badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--text-dim);border:1px solid var(--line-strong);background:#101b30b3;padding:6px 14px;border-radius:999px}#dropzone .badge .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px #2dd4bfe6}#dropzone h1{font-size:clamp(24px,4vw,40px);margin:0;letter-spacing:-.03em;line-height:1.12;max-width:680px;color:#f5f8fd}#dropzone h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}#dropzone .sub{font-size:15px;color:var(--text-dim);max-width:580px;line-height:1.6;margin:0}#dropzone .hero-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:8px}#dropzone .hero-actions .btn{font-size:14px;padding:11px 22px;color:var(--text);border:1px solid var(--line-strong);background:var(--navy-1)}#dropzone .hero-actions .btn:hover{border-color:#2dd4bf80;color:var(--teal)}#dropzone .hero-actions .btn.primary{background:var(--grad);border-color:transparent;color:var(--accent-ink)}#dropzone .hero-actions .btn.primary:hover{color:var(--accent-ink);filter:brightness(1.08)}#dropzone .privacy-note{font-size:12px;color:var(--text-dim);display:flex;align-items:center;gap:7px;margin-top:10px}#dropzone .privacy-note svg{flex:none}#sidebar{width:320px;flex:none;display:flex;flex-direction:column;background:var(--navy-1);border-left:1px solid var(--line);min-height:0}#sidebar h2{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin:0;padding:14px 16px 8px}#markupTotals{padding:0 16px 12px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.totals-empty{color:var(--text-dim);font-size:12px;padding:4px 0}.total-row{display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;gap:8px;background:var(--navy-2);border:1px solid var(--line);border-radius:10px;padding:7px 11px}.total-row .total-label{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.total-row .total-label em{color:var(--text-dim);font-style:normal;font-weight:400}.total-row .total-value{font-family:var(--mono);color:var(--teal);white-space:nowrap}.markup-table-wrap{flex:1;overflow:auto;min-height:0}table.markup-table{width:100%;border-collapse:collapse;font-size:12px}table.markup-table th{position:sticky;top:0;background:var(--navy-1);color:var(--text-dim);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;text-align:left;padding:8px;border-bottom:1px solid var(--line);z-index:2}table.markup-table td{padding:5px 6px;border-bottom:1px solid rgba(148,163,184,.07);vertical-align:middle}table.markup-table tbody tr:hover td{background:#94a3b80d}table.markup-table tr.selected td{background:var(--accent-soft)}td.cell-label input{width:100%;min-width:60px;background:transparent;border:1px solid transparent;color:var(--text);font-family:var(--font);font-size:12px;padding:4px 6px;border-radius:7px}td.cell-label input:hover,td.cell-label input:focus{border-color:var(--line-strong);outline:none;background:var(--navy-2)}.tag{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap;border:1px solid transparent}.tag-length{background:#fb71851f;border-color:#fb718540;color:#fda4af}.tag-area{background:#a78bfa1f;border-color:#a78bfa40;color:#c4b5fd}.tag-count{background:#38bdf81f;border-color:#38bdf840;color:#7dd3fc}td.cell-num{color:var(--text-dim);font-family:var(--mono);font-size:11px}td.cell-measure{font-family:var(--mono);font-size:11.5px;color:var(--text);white-space:nowrap;text-align:right}td.cell-measure .warn{color:var(--warn);font-family:var(--font);font-size:10.5px}td.cell-del button{border:none;background:transparent;color:var(--text-dim);cursor:pointer;font-size:12px;padding:3px 7px;border-radius:999px}td.cell-del button:hover{color:#fda4af;background:#fb71851f}td.empty{color:var(--text-dim);font-size:12px;padding:20px 14px;line-height:1.55}.side-actions{display:flex;gap:8px;padding:10px 16px;border-top:1px solid var(--line)}.side-actions .btn{flex:1;justify-content:center;border:1px solid var(--line-strong);background:var(--navy-2);color:var(--text)}.side-actions .btn:hover:not(:disabled){border-color:#2dd4bf80;color:var(--teal);background:var(--navy-3)}.side-actions .btn.primary{background:var(--grad);border-color:transparent;color:var(--accent-ink)}.side-actions .btn.primary:hover:not(:disabled){color:var(--accent-ink)}#statusbar{position:sticky;bottom:0;z-index:40;display:flex;align-items:center;gap:14px;padding:7px 16px;background:#0a1220f0;backdrop-filter:blur(8px);border-top:1px solid var(--line);font-size:12px;color:var(--text-dim)}#toolHint{color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}#scaleBadge{border:1px solid var(--line-strong);background:var(--navy-2);color:var(--warn);font-weight:600;font-size:11.5px;padding:4px 12px;border-radius:999px;cursor:pointer;white-space:nowrap}#scaleBadge.ok{color:var(--teal);border-color:#2dd4bf66;background:var(--accent-soft)}#scaleBadge:hover{border-color:var(--teal)}#cursorPos,#pageIndicator,#zoomIndicator{font-family:var(--mono);font-size:11px;white-space:nowrap}#fileIndicator{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:220px}#calibModal{position:fixed;inset:0;z-index:100;background:#040810a8;display:grid;place-items:center;backdrop-filter:blur(3px)}#calibModal.hidden{display:none}.modal-card{background:var(--navy-2);border:1px solid var(--line-strong);border-radius:16px;box-shadow:0 30px 80px #0009;padding:24px;width:min(430px,calc(100vw - 40px))}.modal-card h3{margin:0 0 4px;font-size:17px;letter-spacing:-.01em}.modal-card .modal-sub{color:var(--text-dim);font-size:12.5px;margin:0 0 16px}.calib-row{display:flex;gap:8px;margin-bottom:12px}.calib-row input[type=text]{flex:1;background:var(--navy-1);border:1px solid var(--line-strong);color:var(--text);font-size:15px;font-family:var(--mono);padding:10px 13px;border-radius:10px;min-width:0}.calib-row input[type=text]:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px #2dd4bf2e}.calib-row input.invalid{border-color:var(--danger);animation:shake .3s}@keyframes shake{25%{transform:translate(-3px)}75%{transform:translate(3px)}}.calib-row select,#calibPreset{background:var(--navy-1);border:1px solid var(--line-strong);color:var(--text);font-size:13px;padding:10px 12px;border-radius:10px}.calib-row select:focus,#calibPreset:focus{outline:none;border-color:var(--teal)}#calibPreset{width:100%;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px}#compareBar{position:absolute;top:0;left:0;right:0;z-index:25;display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;padding:9px 14px;background:#0a1220f5;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);color:var(--text);font-size:12px}#compareBar strong{font-size:12.5px;letter-spacing:.02em;color:var(--teal)}#compareBar .btn{padding:4px 10px;font-size:11.5px;border:1px solid var(--line-strong);background:var(--navy-2);color:var(--text)}#compareBar .btn:hover:not(:disabled){border-color:#2dd4bf80;color:var(--teal)}#compareBar .chk{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim);cursor:pointer;user-select:none}#compareBar .chk input{accent-color:var(--teal)}#compareBar .cmp-slot b{color:var(--sky);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}#compareBar .legend{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim)}#compareBar .legend .sw{width:10px;height:10px;border-radius:3px;display:inline-block;margin-left:8px}#compareBar .legend .sw:first-child{margin-left:0}#compareBar .sw.only-a{background:#ef4444}#compareBar .sw.only-b{background:#3b82f6}#compareBar .sw.both{background:#64748b}#compareBar .nudge{display:inline-flex;align-items:center;gap:2px;color:var(--text-dim)}#compareBar .nudge .btn{padding:3px 7px;font-size:9px}#compareBar .mono{font-family:var(--mono);font-size:10.5px;color:var(--text-dim);margin-left:6px;min-width:90px;display:inline-block}#seo{background:var(--navy-0);border-top:1px solid var(--line)}#seo .wrap{max-width:860px;margin:0 auto;padding:64px 24px 80px}#seo h2{font-size:24px;letter-spacing:-.02em;margin:52px 0 14px;color:#f5f8fd}#seo h2:first-child{margin-top:0}#seo p{line-height:1.7;color:var(--text-dim);font-size:15px}#seo .lead{font-size:17px;color:var(--text)}#seo ol,#seo ul{line-height:1.75;color:var(--text-dim);font-size:15px;padding-left:22px}#seo li{margin-bottom:8px}#seo li strong,#seo p strong{color:var(--text)}#seo em{color:var(--sky);font-style:normal}.fact-strip{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 8px}.fact-strip span{font-size:12.5px;font-weight:600;background:var(--navy-2);border:1px solid var(--line-strong);color:var(--text);padding:6px 14px;border-radius:999px}#seo details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;background:var(--navy-1)}#seo summary{font-weight:600;cursor:pointer;font-size:14.5px;color:var(--text)}#seo details p{margin:10px 0 0;font-size:14px}#seo footer{margin-top:52px;padding-top:18px;border-top:1px solid var(--line);color:var(--text-dim);font-size:13px}#seo a{color:var(--teal)}@media(max-width:860px){#app{flex-direction:column;height:auto}#workspace{height:70dvh}#sidebar{width:100%;border-left:none;border-top:1px solid var(--line);max-height:50dvh}.btn .kbd,.btn .label{display:none}}#overlay:not(.drawing) .markup .vtx{cursor:move}body.demo #overlay{pointer-events:none}#demoCaption{position:absolute;bottom:18px;left:50%;transform:translate(-50%);z-index:28;display:flex;align-items:center;gap:10px;max-width:min(640px,calc(100% - 32px));background:#0a1220f2;border:1px solid rgba(45,212,191,.4);color:var(--text);font-size:13px;line-height:1.45;padding:10px 18px;border-radius:12px;box-shadow:var(--paper-shadow);animation:demo-fade .35s ease-out}#demoCaption b{font-family:var(--mono);font-size:11px;color:var(--teal);border:1px solid rgba(45,212,191,.4);border-radius:999px;padding:2px 9px;white-space:nowrap}@keyframes demo-fade{0%{opacity:0;transform:translate(-50%) translateY(8px)}}.markup.pop{animation:mk-pop .4s cubic-bezier(.2,1.4,.4,1)}@keyframes mk-pop{0%{opacity:0;transform:scale(.6);transform-box:fill-box;transform-origin:center}}#demoEnd{position:absolute;inset:0;z-index:32;display:grid;place-items:center;background:#0408108c;backdrop-filter:blur(2px);padding:20px}.demo-card{background:var(--navy-2);border:1px solid var(--line-strong);border-radius:16px;box-shadow:0 30px 80px #0009;padding:26px 28px;width:min(480px,100%);animation:demo-fade .3s ease-out}.demo-card h3{margin:0 0 4px;font-size:18px;letter-spacing:-.01em}.demo-card .demo-sub{color:var(--text-dim);font-size:12.5px;margin:0 0 16px}table.demo-results{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:18px}table.demo-results th{color:var(--text-dim);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;padding:6px 8px;border-bottom:1px solid var(--line-strong);text-align:center}table.demo-results td{padding:9px 8px;border-bottom:1px solid var(--line);color:var(--text)}table.demo-results td.mono{font-family:var(--mono);color:var(--teal);font-weight:600;text-align:right}.demo-actions{display:flex;gap:8px;flex-wrap:wrap}.demo-actions .btn{border:1px solid var(--line-strong);background:var(--navy-3);color:var(--text)}.demo-actions .btn.primary{background:var(--grad);color:var(--accent-ink);border-color:transparent}.demo-note{color:var(--text-dim);font-size:11.5px;margin:14px 0 0;line-height:1.5}#pageStrip{flex:none;display:flex;gap:10px;padding:10px 14px;overflow-x:auto;background:linear-gradient(to top,#0a1220f7,#0a1220e0);border-top:1px solid var(--line)}#pageStrip.hidden{display:none}.page-thumb{position:relative;flex:none;width:104px;border:2px solid var(--line-strong);border-radius:8px;background:var(--navy-2);padding:0;cursor:pointer;overflow:hidden;transition:border-color .15s,transform .15s}.page-thumb:hover{border-color:#2dd4bf80;transform:translateY(-2px)}.page-thumb.active{border-color:var(--teal);box-shadow:0 0 14px #2dd4bf59}.page-thumb img{display:block;width:104px;height:auto;min-height:40px;background:#fff}.page-thumb img.pending{height:68px;background:var(--navy-3)}.page-thumb-num{position:absolute;bottom:3px;right:6px;font-family:var(--mono);font-size:10px;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.8)}.page-thumb .calib-dot{position:absolute;top:5px;right:6px;width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 8px #2dd4bfe6}