:root{--bg:#f5f8fc;--card:#fff;--ink:#10203b;--muted:#73849b;--line:#dbe5f2;--blue:#2f7ef7;--soft:#edf4ff;--green:#4fac73;--red:#bd5555;--shadow:0 16px 42px rgba(58,85,120,.11);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}html body [hidden]{display:none!important;visibility:hidden!important;pointer-events:none!important}body{margin:0;color:var(--ink);background:radial-gradient(circle at 12% 0%,#fff 0 18%,transparent 40%),linear-gradient(180deg,#f8fbff,var(--bg))}button,input{font:inherit}button:disabled{opacity:.45;cursor:not-allowed!important}.site-header{padding:18px 20px 4px}.brand{width:min(1180px,calc(100% - 24px));margin:auto;display:flex;align-items:center;gap:11px}.brand-mark{width:40px;height:38px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(145deg,#2f7ef7,#68a4ff);font-size:10px;font-weight:900}.brand>span:last-child{display:flex;flex-direction:column}.brand strong{font-size:15px}.brand small{margin-top:3px;color:var(--muted);font-size:10px}.page-shell{width:min(1180px,calc(100% - 24px));margin:12px auto 60px}.ad-slot{min-height:90px;margin:14px 0;border:1px dashed #cdd9e9;border-radius:14px;display:grid;place-items:center;align-content:center;gap:3px;color:#9aa8ba;background:rgba(255,255,255,.72)}.ad-slot span{font-size:9px;font-weight:850;letter-spacing:.11em}.ad-slot div{font-size:12px}.editor-card,.how-card{background:#fff;border:1px solid #e0e8f2;border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.upload-view{padding:24px 30px 22px;text-align:center}.backend-line{margin-bottom:12px;color:#8594a7;font-size:10px}.backend-line strong{color:var(--blue)}.btn{min-height:42px;padding:0 18px;border:0;border-radius:10px;cursor:pointer;font-size:12px;font-weight:850}.btn.primary{color:#fff;background:var(--blue)}.btn.soft{color:#536a84;background:#eef3f8}.btn.save{color:#fff;background:var(--green)}.drop-zone{margin-top:14px;min-height:310px;border:1.5px dashed #9cc2ff;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;background:linear-gradient(180deg,#fbfdff,#fff);cursor:pointer}.drop-zone.dragover{border-color:var(--blue);background:#f7fbff}.upload-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;color:var(--blue);background:var(--soft);font-size:22px;font-weight:900}.drop-zone strong{font-size:17px}.drop-zone>span{color:var(--muted);font-size:11px}.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.chips span{padding:5px 9px;border-radius:7px;color:#5f7592;background:#edf3fb;font-size:9px;font-weight:850}.privacy-note{margin:14px 0 0;color:#8492a5;font-size:9px}.upload-progress{max-width:520px;margin:14px auto 0}.upload-progress>div:first-child{display:flex;justify-content:space-between;font-size:10px}.track{height:8px;margin-top:7px;border-radius:99px;background:#e9eff6;overflow:hidden}.track span{display:block;width:0;height:100%;background:var(--blue);transition:width .15s}.topbar{min-height:62px;padding:10px 14px 10px 18px;display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);background:#fbfdff}.file-info{min-width:0;display:flex;flex-direction:column}.file-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.file-info span{color:var(--muted);font-size:9px;margin-top:3px}.top-actions{display:flex;gap:8px}.findbar{padding:8px 12px;display:grid;grid-template-columns:minmax(130px,1fr) minmax(130px,1fr) auto auto auto auto;gap:7px;align-items:end;border-bottom:1px solid var(--line);background:#f8fbff}.findbar 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strong{color:var(--blue)}.thumb-list{height:630px;overflow:auto;padding:10px 9px 24px}.thumb{width:100%;border:1px solid transparent;border-radius:11px;background:transparent;padding:6px;margin-bottom:8px;cursor:pointer}.thumb.active{border-color:#8fb9ff;background:#eaf3ff}.thumb div{min-height:125px;display:grid;place-items:center;border-radius:7px;background:#edf2f7;overflow:hidden}.thumb canvas{max-width:100%;max-height:138px;background:#fff}.thumb span{display:block;margin-top:5px;color:#657995;font-size:9px;font-weight:750}.editing-area{min-width:0}.tools{min-height:62px;padding:7px 10px;display:flex;align-items:center;gap:5px;overflow-x:auto;border-bottom:1px solid var(--line)}.tool{width:70px;min-width:70px;height:48px;border:1px solid transparent;border-radius:9px;background:transparent;color:#60738e;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.tool b{font-size:16px}.tool span{font-size:7px;font-weight:800}.tool.active{color:var(--blue);background:#ebf3ff;border-color:#cce0ff}.sep{width:1px;height:30px;background:var(--line);margin:0 3px}.history{width:34px;height:34px;border:1px solid #d9e4ef;border-radius:8px;background:#fff;color:#5d718d;cursor:pointer;font-size:16px}.properties{min-height:49px;padding:7px 12px;display:flex;align-items:center;border-bottom:1px solid var(--line);background:#fbfdff}.prop-row{width:100%;display:flex;align-items:center;gap:11px;flex-wrap:wrap}.prop-row label{display:flex;align-items:center;gap:6px;color:#667a95;font-size:8px;font-weight:850}.prop-row input[type=text]{width:220px;height:31px;padding:0 8px;border:1px solid #d5e1ef;border-radius:8px}.prop-row input[type=number]{width:67px;height:31px;border:1px solid #d5e1ef;border-radius:8px;padding:0 7px}.prop-row input[type=color]{width:34px;height:28px;padding:2px;border:1px solid #d5e1ef;border-radius:7px;background:#fff}.prop-row 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rgba(32,48,72,.18)}#pdfCanvas{display:block}.layer{position:absolute;inset:0;width:100%;height:100%}.mask-layer{z-index:2;pointer-events:none}.text-hit-layer{z-index:3;pointer-events:none}.object-layer{z-index:4;pointer-events:none}.draw-layer{z-index:5;pointer-events:none}.interaction-layer{z-index:6;pointer-events:none;touch-action:none}.page-loading{position:absolute;inset:0;z-index:20;display:grid;place-items:center;background:rgba(255,255,255,.82);color:#71839b;font-size:10px;pointer-events:none}.text-hit{position:absolute;border:1px solid transparent;background:rgba(47,126,247,.02);pointer-events:none;cursor:text}.text-hit-layer.editmode{pointer-events:auto}.text-hit-layer.editmode .text-hit{pointer-events:auto}.text-hit-layer.editmode 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span{font-size:8px;color:#70839d;font-weight:850}.modal-head strong{font-size:13px}.modal-close{width:30px;height:30px;border:0;border-radius:8px;background:#eef3f8;color:#5e718a;cursor:pointer;font-size:18px}.sig-wrap{position:relative;padding:15px;background:#f7f9fc}.sig-wrap>span{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);color:#9aa8ba;font-size:12px;font-weight:750;pointer-events:none}.sig-wrap>span.hidden{opacity:0}#signatureCanvas{position:relative;z-index:2;width:100%;height:220px;display:block;border:1px dashed #b9c8da;border-radius:10px;background:#fff;touch-action:none;cursor:crosshair}.modal-actions{padding:12px 15px;display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--line)}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,14px);z-index:150;padding:10px 14px;border-radius:10px;color:#fff;background:#17263b;font-size:10px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:900px){.findbar{grid-template-columns:1fr 1fr auto auto}.find-status{display:none}.editor-grid{grid-template-columns:120px minmax(0,1fr)}.steps{grid-template-columns:1fr 1fr}}@media(max-width:650px){.page-shell,.brand{width:min(100% - 12px,1180px)}.upload-view{padding:16px 12px}.topbar{align-items:flex-start;flex-direction:column}.top-actions{width:100%}.top-actions .btn{flex:1}.findbar{grid-template-columns:1fr 1fr}.editor-grid{display:flex;flex-direction:column}.pages-panel{border-right:0;border-bottom:1px solid var(--line)}.panel-head{height:34px}.thumb-list{height:auto;max-height:140px;padding:7px;display:flex;gap:7px;overflow-x:auto}.thumb{width:82px;min-width:82px;margin:0}.thumb div{min-height:82px}.thumb canvas{max-height:88px}.tool{width:60px;min-width:60px}.prop-row input[type=text]{width:155px}.viewer-scroller{height:430px;padding:12px}.statusbar{align-items:flex-start;flex-direction:column;justify-content:center;padding-block:7px}.steps{grid-template-columns:1fr}}