:root{--ink:#14161b;--chrome:#1e2128;--chrome-2:#262a33;--line:#343945;--text:#e8eaf0;--text-dim:#9aa1b0;--marker:#ffd427;--marker-ink:#4a3d00;--page-bg:#fff;--danger:#ff6b6b}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{background:var(--ink);color:var(--text);display:flex;flex-direction:column;font-family:-apple-system,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow:hidden}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}header{align-items:center;background:var(--chrome);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;padding:10px 14px}.brand{align-items:baseline;display:flex;gap:8px;margin-right:auto}.brand h1{font-size:17px;font-weight:800;letter-spacing:.5px}.brand h1 em{background:var(--marker);border-radius:3px;color:var(--marker-ink);font-style:normal;padding:0 5px}.brand .sub{color:var(--text-dim);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.btn,button{background:var(--chrome-2);border:1px solid var(--line);border-radius:8px;color:var(--text);cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;padding:8px 14px;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:#2e3340;border-color:#454c5c}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,input:focus-visible{outline:2px solid var(--marker);outline-offset:1px}.btn-primary{background:var(--marker);border-color:var(--marker);color:var(--marker-ink)}.btn-primary:hover:not(:disabled){background:#ffdf57;border-color:#ffdf57}.pagenav{align-items:center;color:var(--text-dim);display:flex;font-size:13px;gap:6px}.pagenav button{padding:6px 10px}.zoom{align-items:center;display:flex;gap:6px}.zoom button{padding:6px 10px}#btn-redo,#btn-undo{padding:6px 11px}.search{align-items:center;display:flex;gap:6px}.search button{padding:6px 9px}#search-input{background:var(--chrome-2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-family:inherit;font-size:13px;padding:7px 10px;width:180px}#search-input::placeholder{color:var(--text-dim)}#search-count{color:var(--text-dim);font-size:11px;min-width:44px;text-align:center}main{min-height:0}#viewer,main{display:flex;flex:1}#viewer{align-items:center;background:radial-gradient(circle at 50% 0,#1b1e25 0,var(--ink) 60%);flex-direction:column;gap:24px;overflow:auto;padding:24px 16px 80px}#dropzone{border:2px dashed var(--line);border-radius:16px;cursor:pointer;margin:auto;max-width:460px;padding:48px 28px;text-align:center;transition:border-color .2s,background .2s;width:100%}#dropzone.dragover{background:rgba(255,212,39,.05);border-color:var(--marker)}#dropzone .big{font-size:40px;margin-bottom:12px}#dropzone h2{font-size:17px;font-weight:700;margin-bottom:8px}#dropzone p{color:var(--text-dim);font-size:13px;line-height:1.5}#dropzone .hint{color:var(--text-dim);font-size:11px;letter-spacing:.05em;margin-top:18px;text-transform:uppercase}.page-wrap{background:var(--page-bg);border-radius:4px;box-shadow:0 8px 40px rgba(0,0,0,.5);flex-shrink:0;position:relative}.page-wrap canvas{border-radius:4px;display:block}.page-label{color:var(--text-dim);font-size:11px;left:0;letter-spacing:.06em;position:absolute;top:-20px}.textLayer{inset:0;line-height:1;overflow:hidden;position:absolute}.textLayer .titem{border-radius:2px;color:transparent;cursor:text;position:absolute;transform-origin:0 0;white-space:pre}.textLayer .titem:hover{background:rgba(255,212,39,.14);outline:2px solid rgba(255,212,39,.85)}.textLayer .titem.edited{background:#fff;box-shadow:0 0 0 4px #fff;color:#000;outline:2px solid rgba(255,212,39,.9)}.textLayer .titem.deleted{background:#fff;box-shadow:0 0 0 4px #fff;outline:2px dashed var(--danger)}.textLayer .titem.added{background:transparent;color:#000;outline:1px dashed rgba(255,212,39,.55)}.textLayer .titem.added:hover{background:rgba(255,212,39,.1);outline:2px solid rgba(255,212,39,.85)}.textLayer .titem.search-hit{background:rgba(77,163,255,.22);outline:2px solid rgba(77,163,255,.7)}.textLayer .titem.search-cur{background:rgba(77,163,255,.42);outline:2px solid #4da3ff}.oitem{cursor:move;outline:1px dashed rgba(255,212,39,0);position:absolute;touch-action:none}.oitem img{display:block;height:100%;pointer-events:none;user-select:none;width:100%;-webkit-user-drag:none}.oitem:hover{outline:1px dashed rgba(255,212,39,.9)}.oitem .o-resize{background:var(--marker);bottom:-7px;cursor:nwse-resize;height:14px;right:-7px;width:14px}.oitem .o-del,.oitem .o-resize{border:2px solid #fff;border-radius:50%;opacity:0;position:absolute;transition:opacity .12s}.oitem .o-del{background:var(--danger);color:#fff;cursor:pointer;font-size:10px;height:18px;line-height:1;padding:0;right:-9px;top:-9px;width:18px}.oitem:hover .o-del,.oitem:hover .o-resize{opacity:1}.modal-backdrop{align-items:center;background:rgba(0,0,0,.55);display:flex;inset:0;justify-content:center;padding:16px;position:fixed;z-index:200}.modal-card{background:var(--chrome);border:1px solid var(--line);border-radius:14px;max-width:640px;padding:16px;width:100%}.modal-title{font-size:14px;font-weight:700;margin-bottom:10px}#sign-canvas{background:#fff;border-radius:8px;cursor:crosshair;display:block;touch-action:none;width:100%}.modal-actions{align-items:center;display:flex;gap:8px;margin-top:12px}.modal-actions .pen-colors{display:flex;gap:6px;margin-right:auto}.pen{border:2px solid var(--line);border-radius:50%;height:26px;padding:0;width:26px}.pen.active{border-color:var(--marker);outline:2px solid var(--marker)}.pages-card{display:flex;flex-direction:column;max-height:90vh;max-width:880px}.modal-sub{color:var(--text-dim);font-size:11px;font-weight:400;margin-left:8px}#pages-grid{display:flex;flex-wrap:wrap;gap:12px;min-height:120px;overflow-y:auto;padding:6px 2px}.pcell{background:var(--chrome-2);border:1px solid var(--line);border-radius:10px;cursor:grab;padding:8px 8px 4px;position:relative;user-select:none;width:148px}.pcell.dragging{opacity:.45}.pcell .thumb-box{align-items:center;background:#fff;border-radius:6px;display:flex;height:140px;justify-content:center;overflow:hidden;pointer-events:none}.pcell canvas{max-height:130px;max-width:130px;transition:transform .15s}.pcell .pnum{color:var(--text-dim);font-size:11px;padding-top:5px;text-align:center}.pcell .pnum .psrc{color:var(--marker)}.pcell .pctl{display:flex;gap:4px;opacity:0;position:absolute;right:4px;top:4px;transition:opacity .12s;z-index:2}.pcell.pdel .pctl,.pcell:hover .pctl{opacity:1}.pcell .pctl button{border-radius:6px;font-size:13px;line-height:1.2;padding:3px 8px}.pcell .psel{accent-color:var(--marker);cursor:pointer;height:16px;left:12px;position:absolute;top:12px;width:16px;z-index:2}.pcell.pdel{border-color:var(--danger)}.pcell.pdel .thumb-box{opacity:.3}.pcell.pdel .pnum{color:var(--danger);text-decoration:line-through}.modal-actions .spacer{flex:1}#inline-editor{background:#fff;border:2px solid var(--marker);border-radius:3px;box-shadow:0 4px 16px rgba(0,0,0,.35);color:#000;display:none;min-width:30px;padding:0 2px;position:absolute;white-space:pre;z-index:30}#inline-editor:focus{outline:none}#editor-actions{display:none;gap:6px;position:absolute;z-index:31}#editor-actions button{border-radius:6px;font-size:12px;padding:5px 10px}#panel{background:var(--chrome);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;width:270px}#panel .panel-head{align-items:center;border-bottom:1px solid var(--line);color:var(--text-dim);display:flex;font-size:11px;justify-content:space-between;letter-spacing:.1em;padding:12px 14px;text-transform:uppercase}#edit-count{background:var(--marker);border-radius:10px;color:var(--marker-ink);font-size:11px;font-weight:800;padding:1px 8px}#edits-list{flex:1;overflow-y:auto;padding:10px}.edit-item{background:var(--chrome-2);border:1px solid var(--line);border-radius:8px;font-size:12px;margin-bottom:8px;padding:9px 10px}.edit-item .where{color:var(--text-dim);display:flex;font-size:10px;justify-content:space-between;letter-spacing:.05em;margin-bottom:4px;text-transform:uppercase}.edit-item .old{color:var(--text-dim);text-decoration:line-through;word-break:break-word}.edit-item .new{color:var(--marker);font-weight:600;word-break:break-word}.edit-item .del-tag{color:var(--danger);font-weight:600}.edit-item .undo{border-radius:5px;font-size:11px;margin-top:6px;padding:3px 8px}#empty-edits{color:var(--text-dim);font-size:12px;line-height:1.6;padding:24px 16px;text-align:center}#toast{background:var(--chrome-2);border:1px solid var(--line);border-radius:10px;bottom:20px;color:var(--text);font-size:13px;left:50%;max-width:90vw;padding:10px 18px;position:fixed;text-align:center;transform:translateX(-50%) translateY(80px);transition:transform .25s ease;z-index:100}#toast.show{transform:translateX(-50%) translateY(0)}#toast.working{border-color:var(--marker)}@media (prefers-reduced-motion:reduce){*{transition:none!important}}@media (max-width:760px){#panel{display:none}header{gap:6px;padding:8px 10px}.brand .sub{display:none}button{font-size:12px;padding:7px 10px}#viewer{padding:16px 6px 70px}}