@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-vietnamese-wght-normal-BUzh504Q.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-ext-wght-normal-CcLUaPy7.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/bricolage-grotesque-latin-wght-normal-DLoelf7F.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-vietnamese-wght-normal-CtlIRbEm.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-latin-ext-wght-normal-MQgHevqp.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-latin-wght-normal-DdeTHZLK.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-display:"Bricolage Grotesque Variable", "Public Sans Variable", system-ui, sans-serif;--font-ui:"Public Sans Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--bg:#eef2f0;--bg-deep:#e3e9e6;--bg-elev:#fff;--text:#10272c;--text-secondary:#56696d;--border:#10272c17;--border-strong:#10272c2e;--accent:#0e6e68;--accent-strong:#0a5550;--accent-soft:#0e6e681c;--on-accent:#fff;--water:#0e6e681a;--signal:#e2572b;--danger:#c2412a;--success:#1f8a5b;--chrome:#eef2f0db;--hud-bg:#ffffffd1;--canvas-shadow:0 1px 2px #10272c14, 0 18px 40px -12px #10272c38;--card-shadow:0 1px 2px #10272c0f, 0 10px 30px -14px #10272c2e;--radius:12px}[data-theme=dark]{--bg:#0a171a;--bg-deep:#071114;--bg-elev:#11242a;--text:#e4eeec;--text-secondary:#8fa5a8;--border:#e4eeec14;--border-strong:#e4eeec29;--accent:#4fd1c1;--accent-strong:#7be0d3;--accent-soft:#4fd1c124;--on-accent:#062124;--water:#4fd1c11a;--chrome:#0a171ad6;--hud-bg:#11242adb;--canvas-shadow:0 1px 2px #0006, 0 22px 48px -14px #000000b3;--card-shadow:0 1px 2px #0000004d, 0 14px 36px -16px #0009}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-ui);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;transition:background .4s,color .4s}button,input{font:inherit;color:inherit}button:focus-visible,[tabindex]:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}input[type=file]{display:none}[hidden]{display:none!important}@media (prefers-reduced-motion:reduce){:not(.spinner){transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.primary-btn,.browse-btn{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .15s,transform .1s;display:inline-flex}.primary-btn:hover:not(:disabled),.browse-btn:hover{background:var(--accent-strong)}.primary-btn:active:not(:disabled),.browse-btn:active{transform:translateY(1px)}.primary-btn:disabled{opacity:.45;cursor:default}.ghost-btn{border:1px solid var(--border-strong);color:var(--text);cursor:pointer;background:0 0;border-radius:10px;padding:9px 16px;font-size:14px;font-weight:600;transition:background .15s}.ghost-btn:hover{background:var(--accent-soft)}.link-btn{color:var(--accent);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;font-size:12.5px;font-weight:600;text-decoration:underline}.titlebar{z-index:41;background:var(--chrome);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid #0000;justify-content:space-between;align-items:center;height:56px;padding:0 20px;transition:border-color .3s;display:flex;position:fixed;top:0;left:0;right:0}body.doc-open .titlebar{border-bottom-color:var(--border)}.titlebar-left,.titlebar-right{align-items:center;gap:12px;display:flex}.brand{align-items:center;gap:9px;display:flex}.brand-mark{flex-shrink:0;width:26px;height:26px}.brand-mark svg{width:26px;height:26px;display:block}.brand-word{font-family:var(--font-display);letter-spacing:-.02em;font-size:17px;font-weight:700}.close-chip{border:1px solid var(--border-strong);background:var(--bg-elev);height:30px;color:var(--text-secondary);cursor:pointer;opacity:0;pointer-events:none;border-radius:9px;align-items:center;gap:6px;padding:0 11px 0 9px;font-size:12.5px;font-weight:600;transition:opacity .25s,transform .25s,color .15s;display:flex;transform:scale(.92)}.close-chip.visible{opacity:1;pointer-events:auto;transform:none}.close-chip:hover{color:var(--text)}.close-chip svg{width:11px;height:11px}.close-chip .word{display:none}@media (width>=480px){.close-chip .word{display:inline}}.doc-title{opacity:0;pointer-events:none;flex-direction:column;align-items:center;max-width:40%;transition:opacity .3s;display:flex;position:absolute;left:50%;transform:translate(-50%)}.doc-title.visible{opacity:1}.doc-title .name{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:7px;max-width:100%;font-size:13.5px;font-weight:650;display:flex;overflow:hidden}.doc-title .meta{color:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:11.5px}.unsaved-dot{background:var(--signal);opacity:0;border-radius:50%;flex-shrink:0;width:7px;height:7px;transition:opacity .2s,transform .2s;transform:scale(.4)}.unsaved-dot.visible{opacity:1;transform:none}.lang-btn{border:1px solid var(--border-strong);background:var(--bg-elev);min-width:38px;height:30px;color:var(--text-secondary);letter-spacing:.03em;cursor:pointer;border-radius:9px;padding:0 9px;font-size:12px;font-weight:700}.lang-btn:hover{color:var(--text)}.theme-switch{background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:9px;gap:2px;padding:2px;display:flex}.theme-switch button{cursor:pointer;width:28px;height:24px;color:var(--text-secondary);background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;display:flex}.theme-switch button svg{width:14px;height:14px}.theme-switch button.active{background:var(--accent-soft);color:var(--accent)}.toolbar-row{z-index:40;background:var(--chrome);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);scrollbar-width:none;opacity:0;pointer-events:none;align-items:center;gap:2px;height:58px;padding:0 14px;transition:transform .35s cubic-bezier(.2,1,.3,1),opacity .3s;display:flex;position:fixed;top:56px;left:0;right:0;overflow-x:auto;transform:translateY(-8px)}.toolbar-row::-webkit-scrollbar{display:none}.toolbar-row.visible{opacity:1;pointer-events:auto;transform:none}@media (width>=1100px){.toolbar-row{overflow:visible}}.tool-group{flex-shrink:0;align-items:center;gap:2px;padding:0 6px;display:flex}.tool-group+.tool-group{border-left:1px solid var(--border)}.tool-group.push-right{border-left:none;margin-left:auto}.history-group{opacity:0;max-width:0;padding:0;transition:max-width .3s,opacity .25s,padding .3s;overflow:hidden;border-left:none!important}.history-group.visible{opacity:1;max-width:110px;padding:0 6px}.history-group.visible+.tool-group{border-left:1px solid var(--border)}.tool-btn{min-width:40px;height:40px;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:10px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:2px;padding:0 9px;transition:background .15s,color .15s;display:inline-flex;position:relative}.tool-btn svg{flex-shrink:0;width:18px;height:18px}.tool-btn:hover:not(:disabled){background:var(--accent-soft)}.tool-btn:disabled{opacity:.3;cursor:default}.tool-btn.active-mode{background:var(--accent-soft);color:var(--accent)}.tool-label{color:var(--text-secondary);white-space:nowrap;font-size:10.5px;font-weight:600;line-height:1;display:none}.tool-btn:hover .tool-label{color:var(--text)}@media (width>=1100px){.toolbar-row .tool-btn[data-tool]{min-width:52px;height:46px}.toolbar-row .tool-label{display:block}}.tool-btn.primary{background:var(--accent);height:38px;color:var(--on-accent);flex-direction:row;gap:8px;padding:0 14px}.tool-btn.primary:hover:not(:disabled){background:var(--accent-strong)}.tool-btn.primary .tool-label{color:inherit;font-size:13.5px;display:block}.toolbar-row .tool-btn.primary[data-tool]{height:38px}.stage{position:absolute;inset:0}.landing{overscroll-behavior:contain;transition:opacity .35s,transform .35s;position:absolute;inset:56px 0 0;overflow-y:auto}.stage.hidden-stage .landing{opacity:0;pointer-events:none;transform:scale(.985)}.hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center;gap:clamp(32px,5vw,72px);max-width:1180px;margin:0 auto;padding:clamp(32px,7vh,88px) 32px 48px;display:grid}.hero-title{font-family:var(--font-display);letter-spacing:-.035em;font-variation-settings:"opsz" 96;text-wrap:balance;max-width:13ch;font-size:clamp(38px,5.4vw,68px);font-weight:700;line-height:1.02}.hero-sub{color:var(--text-secondary);max-width:44ch;margin-top:22px;font-size:clamp(16px,1.35vw,18px);line-height:1.55}.proof{border-radius:var(--radius);background:var(--bg-elev);border:1px solid var(--border);box-shadow:var(--card-shadow);max-width:460px;color:var(--text-secondary);flex-wrap:wrap;align-items:baseline;gap:10px;margin-top:30px;padding:14px 18px;font-size:13.5px;display:flex}.proof-dot{background:var(--success);width:9px;height:9px;box-shadow:0 0 0 4px color-mix(in srgb, var(--success) 18%, transparent);border-radius:50%;align-self:center}.proof-count{font-family:var(--font-display);color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.03em;font-size:30px;font-weight:700;line-height:1}.proof.warn .proof-dot{background:var(--signal);box-shadow:0 0 0 4px color-mix(in srgb, var(--signal) 18%, transparent)}.proof-points{color:var(--text-secondary);flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;list-style:none;display:flex}.proof-points li{align-items:flex-start;gap:10px;display:flex}.proof-points li:before{content:"";background:var(--accent);border-radius:1px;flex-shrink:0;width:14px;height:2px;margin-top:9px}.dropzone{isolation:isolate;text-align:center;background:var(--bg-elev);border:1px solid var(--border-strong);cursor:pointer;min-height:clamp(340px,52vh,460px);box-shadow:var(--card-shadow);border-radius:22px;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:40px 32px;transition:border-color .25s,box-shadow .25s,transform .25s;display:flex;position:relative;overflow:hidden}.dropzone:before{content:"";border:1.5px dashed var(--border-strong);pointer-events:none;border-radius:14px;transition:border-color .25s;position:absolute;inset:12px}.dropzone:hover:before{border-color:var(--accent)}.dropzone.dragover{border-color:var(--accent);transform:translateY(-2px)}.dropzone.dragover:before{border-color:var(--accent)}.water{z-index:-1;background:var(--water);height:16%;transition:height .7s cubic-bezier(.2,1,.3,1);position:absolute;bottom:0;left:-10%;right:-10%}.water:before{content:"";background:radial-gradient(18px 10px at 18px 16px, var(--water) 98%, transparent 100%) 0 0 / 36px 16px repeat-x;height:16px;animation:9s linear infinite drift;position:absolute;top:-14px;left:0;right:0}.dropzone.dragover .water{height:62%}@keyframes drift{to{background-position:360px 0}}.paper-stack{width:92px;height:92px;margin-bottom:8px;position:relative}.paper{background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:16px;transition:transform .45s cubic-bezier(.2,1,.3,1);position:absolute;inset:0;box-shadow:0 10px 22px -10px #10272c59}.paper-3{background:var(--bg-deep);transform:rotate(-10deg)translate(-6px,6px)}.paper-2{transform:rotate(7deg)translate(6px,2px)}.paper-1{color:var(--accent);justify-content:center;align-items:center;display:flex}.paper-1 svg{width:30px;height:30px}.dropzone:hover .paper-1,.dropzone.dragover .paper-1{transform:translateY(-6px)}.dropzone.dragover .paper-3{transform:rotate(-4deg)translate(-8px,-8px)}.dropzone.dragover .paper-2{transform:rotate(3deg)translate(6px,-10px)}.drop-title{font-family:var(--font-display);letter-spacing:-.02em;font-size:24px;font-weight:700}.drop-body{color:var(--text-secondary);max-width:32ch;font-size:14px;line-height:1.5}.browse-btn{margin-top:6px;padding:11px 22px;font-size:14.5px}.tool-index{max-width:1180px;margin:0 auto;padding:8px 32px 40px}.index-title{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:18px;font-size:22px;font-weight:650}.index-groups{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 40px;display:grid}.index-group h3{color:var(--accent);border-bottom:1px solid var(--border-strong);padding-bottom:10px;font-size:13px;font-weight:700}.index-group ul{list-style:none}.tool-row{text-align:left;border:none;border-bottom:1px solid var(--border);cursor:pointer;background:0 0;border-radius:0;align-items:flex-start;gap:14px;width:100%;padding:13px 8px 13px 2px;transition:background .15s,padding .2s;display:flex}.tool-row svg{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:1px}.tool-row-text{flex-direction:column;gap:3px;display:flex}.tool-row-name{font-size:14.5px;font-weight:650}.tool-row-desc{color:var(--text-secondary);font-size:13px;line-height:1.4}.tool-row:hover{background:linear-gradient(90deg, var(--accent-soft), transparent 80%);padding-left:10px}.tool-row:focus-visible{border-radius:8px}.landing-foot{max-width:1180px;color:var(--text-secondary);border-top:1px solid var(--border);margin:0 auto;padding:24px 32px 40px;font-size:12.5px}@media (width<=900px){.hero{grid-template-columns:1fr;gap:28px;padding-top:28px}.hero-title{max-width:16ch}.index-groups{grid-template-columns:1fr 1fr}}@media (width<=600px){.titlebar{padding:0 14px}.hero,.tool-index,.landing-foot{padding-left:18px;padding-right:18px}.dropzone{min-height:300px}.index-groups{grid-template-columns:1fr}.doc-title,.brand-word{display:none}}.staging{opacity:0;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;transition:opacity .3s,transform .3s;display:flex;position:absolute;inset:56px 0 0;transform:scale(.98)}.staging.visible{opacity:1;pointer-events:auto;transform:none}.staging h2{font-family:var(--font-display);letter-spacing:-.02em;font-size:26px;font-weight:700}.staging .sub{color:var(--text-secondary);text-align:center;margin-top:-8px;font-size:14px}.staging-files{flex-wrap:wrap;justify-content:center;gap:14px;width:min(820px,100%);max-height:50vh;padding:10px;display:flex;overflow-y:auto}.file-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);width:120px;box-shadow:var(--card-shadow);flex-direction:column;align-items:center;gap:6px;padding:9px;animation:.3s cardIn;display:flex;position:relative}@keyframes cardIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.file-card .thumb-box{aspect-ratio:3/4;border:1px solid var(--border);background:#fff;border-radius:6px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.file-card .thumb-box canvas{width:100%;display:block}.file-card .fname{text-align:center;text-overflow:ellipsis;white-space:nowrap;width:100%;font-size:11.5px;font-weight:600;overflow:hidden}.file-card .fmeta{color:var(--text-secondary);font-size:10.5px}.file-card .remove{cursor:pointer;background:var(--bg-elev);border:1px solid var(--border-strong);width:22px;height:22px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:-7px;right:-7px}.file-card .remove:hover{color:var(--danger)}.file-card .remove svg{width:10px;height:10px}.staging-actions{gap:10px;display:flex}.viewer{opacity:0;pointer-events:none;background:radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0) 0 0 / 22px 22px, linear-gradient(var(--bg), var(--bg-deep));transition:opacity .4s .1s;position:absolute;inset:0}.viewer.visible{opacity:1;pointer-events:auto}.page-wrap{justify-content:center;align-items:center;width:100%;height:100%;padding:138px 24px 96px;transition:padding-left .35s cubic-bezier(.2,1,.3,1);display:flex}body.rail-open .page-wrap{padding-left:176px}.canvas-box{line-height:0;display:inline-block;position:relative}#pdf-canvas{max-width:min(78vw,900px);max-height:calc(100vh - 240px);box-shadow:var(--canvas-shadow);background:#fff;border-radius:3px}.page-nav{background:var(--hud-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-strong);box-shadow:var(--card-shadow);font-variant-numeric:tabular-nums;color:var(--text-secondary);opacity:0;pointer-events:none;border-radius:999px;align-items:center;gap:8px;padding:5px;font-size:12.5px;font-weight:600;transition:opacity .3s .2s,left .35s cubic-bezier(.2,1,.3,1),bottom .3s;display:flex;position:absolute;bottom:26px;left:50%;transform:translate(-50%)}.page-nav.visible{opacity:1;pointer-events:auto}body.rail-open .page-nav{left:calc(50% + 76px)}.page-nav button{width:28px;height:28px;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.page-nav button:hover:not(:disabled){background:var(--accent-soft)}.page-nav button:disabled{opacity:.3;cursor:default}.page-nav svg{width:13px;height:13px}.thumb-rail{z-index:35;background:var(--hud-bg);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border);flex-direction:column;gap:12px;width:152px;padding:16px 14px 40px;transition:transform .35s cubic-bezier(.2,1,.3,1);display:flex;position:fixed;top:114px;bottom:0;left:0;overflow-y:auto;transform:translate(-100%)}.thumb-rail.visible{transform:none}.thumb-item{cursor:pointer;background:#fff;border:2px solid #0000;border-radius:6px;transition:border-color .15s,box-shadow .15s;position:relative;overflow:hidden;box-shadow:0 1px 3px #10272c2e}.thumb-item canvas{width:100%;display:block}.thumb-item:hover{border-color:var(--border-strong)}.thumb-item.active{border-color:var(--accent)}.thumb-item.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.thumb-item .num{color:#fff;background:#10272cb8;border-radius:5px;padding:1px 5px;font-size:10px;font-weight:700;line-height:1.5;position:absolute;bottom:5px;right:5px}.thumb-item .tick{background:var(--accent);border-radius:50%;width:17px;height:17px;display:none;position:absolute;top:5px;left:5px}.thumb-item .tick:after{content:"";border:solid var(--on-accent);border-width:0 2px 2px 0;width:4px;height:8px;position:absolute;top:3px;left:6px;transform:rotate(45deg)}.thumb-item.selected .tick{display:block}.thumb-item.dragging{opacity:.4}.thumb-item.drop-before{box-shadow:0 -3px 0 var(--accent)}.thumb-item.drop-after{box-shadow:0 3px 0 var(--accent)}.rail-head{color:var(--accent);justify-content:space-between;align-items:center;gap:6px;font-size:11.5px;font-weight:700;display:flex}.rail-clear{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;font-size:11.5px;text-decoration:underline}.rail-hint{color:var(--text-secondary);font-size:11px;line-height:1.45}.processing-overlay{z-index:80;background:color-mix(in srgb, var(--bg-deep) 55%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;pointer-events:none;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:fixed;inset:0}.processing-overlay.visible{opacity:1;pointer-events:auto}.processing-card{background:var(--bg-elev);border:1px solid var(--border);min-width:260px;box-shadow:var(--canvas-shadow);border-radius:16px;flex-direction:column;align-items:center;gap:12px;padding:26px 30px;display:flex}.spinner{border:3px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.processing-card .label{text-align:center;font-size:14.5px;font-weight:650}.processing-card .sub{color:var(--text-secondary);font-size:12px}.progress{background:var(--border-strong);border-radius:2px;width:220px;height:4px;display:none;overflow:hidden}.progress.visible{display:block}.progress>span{background:var(--accent);width:0;height:100%;transition:width .2s;display:block}.cancel-btn{margin-top:4px;display:none}.cancel-btn.visible{display:inline-block}.toast{z-index:90;background:var(--text);max-width:calc(100vw - 32px);color:var(--bg);box-shadow:var(--canvas-shadow);opacity:0;pointer-events:none;border-radius:12px;align-items:center;gap:9px;padding:10px 16px;font-size:13.5px;font-weight:600;transition:opacity .2s,transform .25s;display:flex;position:fixed;top:70px;left:50%;transform:translate(-50%)translateY(-10px)}.toast.visible{opacity:1;transform:translate(-50%)}.toast svg{width:16px;height:16px;color:var(--accent);flex-shrink:0}body.doc-open .toast{top:126px}.sheet{border:1px solid var(--border);background:var(--bg-elev);width:min(460px,100vw - 32px);max-height:calc(100vh - 48px);color:var(--text);box-shadow:var(--canvas-shadow);border-radius:18px;flex-direction:column;gap:16px;margin:auto;padding:26px 26px 20px;display:flex;overflow:hidden}.sheet.wide{width:min(660px,100vw - 32px)}.sheet:not([open]){display:none}.sheet::backdrop{background:color-mix(in srgb, var(--bg-deep) 60%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.sheet[open]{animation:.22s cubic-bezier(.2,1,.3,1) sheetIn}@keyframes sheetIn{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:none}}.sheet-title{font-family:var(--font-display);letter-spacing:-.02em;font-size:22px;font-weight:700;line-height:1.15}.sheet-body{padding:2px;font-size:14px;line-height:1.5;overflow-y:auto}.sheet-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;padding-top:4px;display:flex}.sheet-note{color:var(--text-secondary);font-size:13.5px}.sheet-error{color:var(--danger);font-size:13px;font-weight:600}.sheet-error:empty{display:none}.stack{flex-direction:column;gap:16px;display:flex}.field{border:none;flex-direction:column;display:flex}.field legend{color:var(--text-secondary);margin-bottom:8px;font-size:12.5px;font-weight:700}.segmented{background:var(--bg);border:1px solid var(--border);border-radius:11px;gap:3px;padding:3px;display:flex}.segmented label{flex:1;position:relative}.segmented input{opacity:0;cursor:pointer;position:absolute;inset:0}.segmented span{text-align:center;color:var(--text-secondary);border-radius:8px;padding:8px 10px;font-size:13.5px;font-weight:600;transition:background .15s,color .15s;display:block}.segmented input:checked+span{background:var(--bg-elev);color:var(--text);box-shadow:0 1px 3px #10272c29}.segmented input:focus-visible+span{outline:2px solid var(--accent);outline-offset:1px}.check{cursor:pointer;align-items:flex-start;gap:11px;font-weight:550;display:flex}.check input{width:16px;height:16px;accent-color:var(--accent);flex-shrink:0;margin-top:3px}.check small{color:var(--text-secondary);margin-top:1px;font-size:12.5px;font-weight:400;display:block}.text-field{flex-direction:column;gap:7px;display:flex}.text-field span{color:var(--text-secondary);font-size:12.5px;font-weight:700}.text-field input{border:1px solid var(--border-strong);background:var(--bg);height:40px;color:var(--text);border-radius:10px;padding:0 12px;font-size:14.5px}.text-field input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:#0000}.text-output{resize:vertical;border:1px solid var(--border-strong);background:var(--bg);width:100%;min-height:240px;max-height:46vh;color:var(--text);font:13px/1.6 var(--font-ui);border-radius:10px;padding:14px}.edit-layer{touch-action:none;display:none;position:absolute;inset:0}.edit-layer.active{display:block}.edit-layer[data-tool=pen],.edit-layer[data-tool=highlight]{cursor:crosshair}.edit-layer[data-tool=text]{cursor:text}.edit-svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.edit-ink{fill:none;stroke-linecap:round;stroke-linejoin:round}.edit-layer[data-tool=move] .edit-ink{pointer-events:stroke;cursor:move}.edit-layer:not([data-tool=move]) .edit-ink{pointer-events:none}.edit-ink.selected{filter:drop-shadow(0 0 2px var(--accent))}.edit-obj{line-height:1.25;position:absolute}.edit-layer[data-tool=move] .edit-obj{cursor:move}.edit-layer:not([data-tool=move]):not([data-tool=text]) .edit-obj{pointer-events:none}.edit-rect{mix-blend-mode:multiply;border-radius:1px}.edit-image img{-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.edit-text-content{white-space:pre;outline:none;min-width:2ch;font-family:Helvetica,Arial,sans-serif;line-height:1.25}.edit-text-content:empty:before{content:attr(data-placeholder);opacity:.45}.edit-text:focus-within,.edit-obj.selected{outline:1.5px dashed var(--accent);outline-offset:3px}.edit-handle{background:var(--bg-elev);border:2px solid var(--accent);cursor:nwse-resize;border-radius:50%;width:16px;height:16px;position:absolute;bottom:-8px;right:-8px}.edit-delete{cursor:pointer;border:1px solid var(--border-strong);background:var(--bg-elev);width:24px;height:24px;color:var(--danger);font:700 15px/1 var(--font-ui);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:-13px;right:-13px}.edit-bar{z-index:45;background:var(--hud-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-strong);max-width:calc(100vw - 24px);box-shadow:var(--canvas-shadow);opacity:0;pointer-events:none;border-radius:16px;align-items:center;gap:4px;padding:7px;transition:opacity .25s,transform .3s cubic-bezier(.2,1,.3,1);display:flex;position:absolute;bottom:22px;left:50%;transform:translate(-50%)translateY(14px)}.edit-bar.visible{opacity:1;pointer-events:auto;transform:translate(-50%)}.edit-bar button{white-space:nowrap}.edit-bar .tool-btn{flex-direction:row}.edit-tools{gap:2px;display:flex}.edit-tools .tool-btn.active-mode{background:var(--accent-soft);color:var(--accent)}.edit-colors{gap:7px;padding:0 8px;display:flex}.swatch{cursor:pointer;border:2px solid var(--bg-elev);width:20px;height:20px;box-shadow:0 0 0 1px var(--border-strong);border-radius:50%;padding:0}.swatch[aria-checked=true]{box-shadow:0 0 0 2px var(--accent)}.edit-sep{background:var(--border-strong);align-self:stretch;width:1px;margin:4px}.edit-bar .ghost-btn,.edit-bar .primary-btn{padding:8px 15px}body.editing .toolbar-row{pointer-events:none}body.editing .toolbar-row .tool-group{opacity:.35}body.editing .page-nav{bottom:88px}body.editing .page-wrap{padding-bottom:156px}body.editing #pdf-canvas{max-height:calc(100vh - 300px)}@media (width<=640px){.edit-bar{flex-wrap:wrap;justify-content:center;width:calc(100vw - 24px);bottom:12px}.edit-sep{display:none}.edit-bar .ghost-btn,.edit-bar .primary-btn{flex:1}body.editing .page-nav{bottom:132px}body.editing .page-wrap{padding-bottom:196px}body.editing #pdf-canvas{max-height:calc(100vh - 340px)}.page-wrap{padding-left:12px;padding-right:12px}.thumb-rail{width:108px}body.rail-open .page-wrap{padding-left:118px}body.rail-open .page-nav{left:calc(50% + 54px)}}.sign-pad{border:1px solid var(--border-strong);background:#fff;border-radius:12px;line-height:0;position:relative}.sign-pad canvas{aspect-ratio:440/170;touch-action:none;cursor:crosshair;border-radius:12px;width:100%}.sign-baseline{pointer-events:none;border-bottom:1px dashed #c3cccb;position:absolute;bottom:42px;left:24px;right:24px}.sign-pad .link-btn{line-height:1.2;position:absolute;top:10px;right:12px}.sign-typed{border:1px solid var(--border-strong);color:#10272c;min-height:86px;font:italic 600 40px/86px var(--font-display);white-space:nowrap;background:#fff;border-radius:12px;padding:0 18px;overflow:hidden}.sign-saved{text-align:center;border:1px solid var(--border-strong);background:#fff;border-radius:12px;padding:12px}.sign-saved img{max-width:100%;max-height:110px}.docx-render-host{pointer-events:none;color:#000;background:#fff;position:fixed;top:0;left:-100000px}.toast svg{color:#5fe0b5}.toast.error svg{color:#ff8a65}[data-theme=dark] .toast svg{color:var(--success)}[data-theme=dark] .toast.error svg{color:var(--danger)}.tool-btn svg{order:1}.tool-btn .tool-label{order:2}.tool-btn.primary .tool-label{order:0}@media (width<=900px){.hero{gap:0}.hero-copy{display:contents}.hero-title{order:1}.hero-sub{order:2;margin-bottom:24px}.dropzone{order:3}.proof{order:4;max-width:none}.proof-points{order:5}}.tip{z-index:100;pointer-events:none;background:var(--text);max-width:280px;color:var(--bg);box-shadow:var(--canvas-shadow);opacity:0;border-radius:11px;flex-direction:column;gap:4px;padding:10px 12px 11px;font-size:12.5px;line-height:1.45;transition:opacity .14s;display:flex;position:fixed;top:0;left:0}.tip.visible{opacity:1}.tip strong{font-size:13px;font-weight:700}.tip-desc{color:color-mix(in srgb, var(--bg) 78%, transparent)}.tip-keys{gap:4px;margin-top:3px;display:flex}.tip kbd{text-align:center;min-width:20px;font:600 11px/1.6 var(--font-ui);color:var(--bg);background:color-mix(in srgb, var(--bg) 14%, transparent);border:1px solid color-mix(in srgb, var(--bg) 24%, transparent);border-radius:5px;padding:1px 6px}.tip:before{content:"";left:calc(var(--arrow-x,50%) - 6px);background:var(--text);border-radius:2px;width:12px;height:12px;position:absolute;transform:rotate(45deg)}.tip[data-side=below]:before{top:-5px}.tip[data-side=above]:before{bottom:-5px}.toast.visible{pointer-events:auto}.toast-action{cursor:pointer;background:color-mix(in srgb, var(--bg) 16%, transparent);color:var(--bg);border:none;border-radius:8px;margin-left:6px;padding:5px 11px;font-size:13px;font-weight:700}.toast-action:hover{background:color-mix(in srgb, var(--bg) 26%, transparent)}.brand-mark{width:30px;height:30px}.brand-mark svg{filter:drop-shadow(0 2px 4px #0e6e6840);width:30px;height:30px}.landing-foot{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.foot-brand{font-family:var(--font-display);color:var(--text);letter-spacing:-.02em;align-items:center;gap:9px;font-size:15px;font-weight:700;display:inline-flex}.foot-mark svg{width:24px;height:24px;display:block}.guide{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;max-width:1180px;margin:0 auto;padding:12px 32px 48px;display:grid}.guide h2{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:16px;font-size:22px;font-weight:650}.guide ol{counter-reset:step;flex-direction:column;gap:12px;list-style:none;display:flex}.guide ol li{counter-increment:step;align-items:baseline;gap:14px;font-size:15px;line-height:1.5;display:flex}.guide ol li:before{content:counter(step);background:var(--accent-soft);width:26px;height:26px;color:var(--accent);font:700 13px var(--font-ui);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;transform:translateY(-1px)}.guide dl{flex-direction:column;display:flex}.guide dt{border-top:1px solid var(--border);padding-top:14px;font-size:15px;font-weight:650}.guide dt:first-child{border-top:none;padding-top:0}.guide dd{color:var(--text-secondary);margin:4px 0 14px;font-size:14px;line-height:1.55}.landing-foot{flex-direction:column;align-items:stretch;gap:22px}.foot-top{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.foot-nav{grid-template-columns:2fr 1fr 1fr;gap:24px;display:grid}.foot-nav h3{color:var(--text);margin-bottom:8px;font-size:12.5px;font-weight:700}.foot-nav ul{flex-wrap:wrap;gap:6px 16px;list-style:none;display:flex}.foot-nav a{color:var(--text-secondary);text-decoration:none}.foot-nav a:hover{color:var(--accent);text-decoration:underline}@media (width<=900px){.guide{grid-template-columns:1fr;gap:28px}.foot-nav{grid-template-columns:1fr}}@media (width<=600px){.guide{padding-left:18px;padding-right:18px}}
