:root{--ink:#192b32;--sub:#607179;--line:#e1e7e7;--soft:#f6f8f7;--navy:#172b34;--teal:#316c62;--mint:#eaf4ef;--paper:#fff;--warm:#f1f1ed;--accent:#c99455;--shadow:0 18px 48px rgba(15,37,41,.08);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fafbf9}body{overscroll-behavior-y:none}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #81b5a8;outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.36}svg{display:block}button svg,.rail-nav svg,.empty-footnote svg{fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.app-shell{min-height:100vh}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 34px;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:41px;height:41px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center}.brand-mark svg{width:28px;height:28px}.brand-words{display:flex;flex-direction:column;line-height:1.15}.brand-words strong{font-size:16px;letter-spacing:-.3px}.brand-words span{font-size:12px;color:var(--sub);margin-top:3px;letter-spacing:.12px}.header-actions{display:flex;align-items:center;gap:20px}.privacy-pill{display:flex;align-items:center;gap:8px;color:#427365;font-size:12px;font-weight:650}.privacy-dot{width:7px;height:7px;border-radius:50%;background:#5aad91;box-shadow:0 0 0 4px #e4f2e9}.primary-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:9px;background:var(--navy);color:white;padding:12px 18px;font-weight:650;font-size:13px;min-height:44px;box-shadow:0 2px 2px rgba(0,0,0,.06);transition:background .18s,transform .18s}.primary-btn:hover{background:#284651}.primary-btn:active{transform:translateY(1px)}.btn-icon{width:18px;height:18px;stroke-width:1.8;fill:none;stroke:currentColor;stroke-linejoin:round;stroke-linecap:round}.workspace{display:grid;grid-template-columns:217px minmax(0,1fr);min-height:calc(100vh - 76px)}.rail{display:flex;flex-direction:column;padding:34px 17px;background:#fcfdfc;border-right:1px solid var(--line);min-height:calc(100vh - 76px)}.rail-section{display:flex;flex-direction:column;gap:7px}.eyebrow{margin:0 0 14px;padding-left:12px;font-size:10px;font-weight:750;letter-spacing:1.7px;color:#90a09f}.rail-nav{border:0;background:transparent;color:#65767b;text-align:left;display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;padding:12px 13px;border-radius:9px;width:100%}.rail-nav svg{width:19px;height:19px}.rail-nav:hover{background:#edf2f0}.rail-nav.active{color:var(--teal);background:var(--mint)}.nav-count{margin-left:auto;color:#819390;font-size:11px}.rail-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:25px}.rail-help{font-size:12px;line-height:1.7;color:#7b8889;margin:0 5px 16px 12px}.rail-outline{min-height:41px;border:1px solid #ccdad5;border-radius:8px;background:white;color:#33685e;font-size:12px;font-weight:700;padding:9px 13px}.rail-outline:hover{background:var(--mint)}.rail-outline.wide{width:100%;margin-top:7px}.content-area{padding:30px 36px 20px;min-width:0;max-width:1600px;width:100%;margin:0 auto}.document-header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.doc-label{font-size:10px;font-weight:750;letter-spacing:1.75px;color:var(--teal);margin-bottom:9px}.document-heading h1{font:normal 30px/1.16 Georgia,"Times New Roman",serif;color:#21343a;letter-spacing:-.6px;margin:0 0 8px}.document-subtitle{font-size:13px;color:#849094;line-height:1.4}.status-label{flex-shrink:0;display:flex;align-items:center;gap:8px;color:#668777;background:#edf5f0;padding:10px 13px;border:1px solid #e4f0e9;border-radius:8px;font-size:11px;font-weight:600}.status-dot{width:7px;height:7px;border-radius:50%;background:#5b9d81}.viewer-shell{border:1px solid #dfe6e4;background:white;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.viewer-toolbar{height:60px;display:flex;align-items:center;padding:8px 16px;gap:10px;border-bottom:1px solid var(--line)}.tool-group{display:flex;align-items:center;gap:4px}.tool-group.far-right{margin-left:auto}.separator{width:1px;background:#dfe6e4;height:22px;margin:0 10px}.icon-button{border:0;background:transparent;color:#75868c;border-radius:7px;width:36px;height:36px;display:grid;place-items:center}.icon-button:hover:not(:disabled){background:#f1f5f3;color:#1b353b}.icon-button svg{width:18px;height:18px}.segment{border:0;background:none;display:flex;align-items:center;gap:7px;border-radius:7px;padding:9px 10px;color:#849195;font-size:12px;font-weight:700;min-height:36px}.segment svg{width:17px;height:17px}.segment.selected{background:var(--mint);color:#2a685e}.zoom-group{margin-left:20px}.zoom-label{padding:0 5px;min-width:52px;border:0;background:transparent;color:#2d3c42;font-size:12px;font-weight:700}.text-button{padding:8px 10px;border:1px solid #e1e8e6;background:white;border-radius:7px;color:#63777b;font-size:11px;font-weight:650;min-height:33px}.text-button:hover{background:#f5faf6}.toggle-label{display:flex;gap:9px;align-items:center;color:#66787f;font-size:12px;font-weight:650;cursor:pointer;padding:8px}.toggle-label input{position:absolute;opacity:0;width:1px;height:1px}.switch{width:31px;height:18px;border-radius:20px;background:#c4d0ce;position:relative;transition:background .2s}.switch:before{content:"";width:12px;height:12px;background:white;border-radius:50%;position:absolute;top:3px;left:3px;transition:transform .2s}.toggle-label input:checked+.switch{background:#398073}.toggle-label input:checked+.switch:before{transform:translateX(13px)}.toggle-label input:focus-visible+.switch{outline:3px solid #81b5a8;outline-offset:3px}.viewer-body{position:relative;display:flex;min-width:0;height:clamp(460px,63vh,750px)}.side-panel{flex:0 0 210px;width:210px;min-width:0;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.side-panel[hidden], [hidden]{display:none!important}.panel-head{padding:17px 14px 10px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0f0}.panel-head h2{font-size:13px;margin:0;font-weight:750}.panel-head .icon-button{width:28px;height:28px}.thumb-list{overflow-y:auto;flex:1;padding:13px 10px;scrollbar-color:#ccd8d4 transparent}.thumb-btn{width:100%;background:none;border:1px solid transparent;border-radius:9px;padding:11px;display:flex;flex-direction:column;align-items:center;gap:8px;color:#6b7a7d;font-size:11px;font-weight:700;min-height:126px}.thumb-btn.selected{border-color:#8ebdad;background:#edf6f1;color:var(--teal)}.thumb-btn:hover{background:#f3f8f5}.thumb-preview{width:90px;min-height:108px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e4e7e5;box-shadow:0 2px 8px rgba(20,40,30,.09);overflow:hidden}.thumb-preview canvas{display:block;max-width:100%;height:auto}.thumb-placeholder{font-family:Georgia,serif;font-size:19px;color:#c0cfca}.inspection-panel{overflow-y:auto;padding:18px 17px;font-size:12px;color:#65757a;line-height:1.6}.inspection-panel h3{font-size:14px;color:#23373e;margin:0 0 8px}.inspection-panel p{margin:0 0 18px}.setting-label{display:block;margin:17px 0 7px;font-weight:700;color:#3c5257}.setting-select{width:100%;border:1px solid #d3dfdd;border-radius:7px;background:#fff;color:#253d43;padding:9px}.guide-legend{margin-top:20px;display:grid;gap:12px}.guide-legend>div{display:flex;align-items:center;gap:10px}.line-sample{display:inline-block;width:32px;height:0;border-top:2px dashed}.line-sample.safe{border-color:#248c8b}.line-sample.edge{border-color:#d17f51}.tip-box{background:#f4f7f6;padding:13px;border-radius:9px;margin-top:22px}.tip-box strong{color:#3d565e}.tip-box p{margin:4px 0 0}.small-note{font-size:11px;margin-top:18px!important}.stage-scroll{background:radial-gradient(circle at 50% 32%,#f7f7f4 0%,#edeeeb 83%);position:relative;flex:1;overflow:auto;min-width:0;outline-offset:-3px;scrollbar-color:#c1c9c6 transparent}.empty-state{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px 20px;min-height:100%;color:var(--ink)}.empty-art{position:relative;width:263px;height:173px;margin-bottom:16px}.art-book{width:218px;height:142px;position:absolute;top:16px;left:22px;filter:drop-shadow(0px 16px 13px rgba(30,60,60,.17));display:flex;transform:rotate(-4deg)}.art-leaf{width:50%;height:100%;padding:25px 17px 14px;background:#fffefa;display:flex;flex-direction:column;gap:10px}.art-leaf.left{border-radius:7px 0 1px 10px;border-left:5px solid #f6f1e6}.art-leaf.right{border-radius:0 7px 10px 1px;border-right:5px solid #f6f1e6;padding:16px 17px 10px}.art-line{height:5px;border-radius:5px;background:#dfe7e3;width:100%}.art-line.short{width:62%}.art-line.medium{width:77%}.art-book-spine{position:absolute;left:50%;top:2px;bottom:2px;border-left:2px solid #ccd8cf;box-shadow:2px 0 5px rgba(0,0,0,.07)}.art-picture{height:69px;background:#eff2e8;border-radius:2px;overflow:hidden}.art-picture svg{height:100%;width:100%}.art-star{position:absolute;color:#c5945d;font-size:20px}.art-star.a{top:8px;right:0}.art-star.b{bottom:0;left:0;color:#7baba0;font-size:14px}.small-caps{letter-spacing:2px;color:#53867a;font-size:10px;font-weight:750;margin:0 0 12px}.empty-state h2{font:normal 31px/1.22 Georgia,"Times New Roman",serif;max-width:530px;margin:0 0 12px;letter-spacing:-.5px}.empty-state>p:not(.small-caps):not(.empty-footnote){max-width:440px;color:#7e8d8c;font-size:13px;line-height:1.8;margin:0 0 23px}.big-btn{padding:13px 24px}.big-btn span{font-size:17px;font-weight:400}.empty-footnote{display:flex;align-items:center;gap:6px;margin:17px 0 0;color:#9aa5a1;font-size:11px}.empty-footnote svg{width:14px;height:14px}.book-stage{min-height:100%;width:max-content;min-width:100%;padding:40px 48px;display:flex;justify-content:center;align-items:flex-start}.spread-wrap{display:flex;align-items:stretch;justify-content:center;gap:0;filter:drop-shadow(0 13px 18px rgba(36,45,39,.2));position:relative}.spread-wrap.single{filter:drop-shadow(0 13px 18px rgba(36,45,39,.18))}.page-slot{position:relative;background:white;flex:none;overflow:hidden;box-sizing:content-box;box-shadow:inset 0 0 1px rgba(40,50,50,.15)}.page-slot:first-of-type{border-radius:2px 0 0 2px}.page-slot:last-of-type{border-radius:0 2px 2px 0}.page-slot canvas{display:block;width:100%;height:100%;background:white}.page-slot.blank{background:#fdfdfb}.page-slot.blank:after{content:"";position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#c0c8c4;font-size:10px;letter-spacing:.7px}.page-sheet-label{position:absolute;bottom:9px;right:12px;border-radius:4px;background:rgba(21,41,39,.7);padding:4px 7px;color:#fff;font-size:10px;pointer-events:none;opacity:0}.page-slot:hover .page-sheet-label{opacity:1}.guide-overlay{position:absolute;pointer-events:none;border:2px dashed #268d8b;box-shadow:0 0 0 9999px rgba(32,144,137,.016);z-index:2}.guide-overlay.edge{border-color:#d58354;box-shadow:none;border-width:1.5px}.spine-shadow{position:absolute;left:50%;top:0;bottom:0;width:20px;transform:translateX(-50%);pointer-events:none;background:linear-gradient(90deg,transparent,rgba(29,29,29,.06) 50%,transparent);z-index:3}.loading-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:17px;color:#55726b;font-size:13px;background:rgba(245,247,245,.93);z-index:9}.loader{width:37px;height:37px;border:3px solid #d6e7dd;border-top-color:var(--teal);border-radius:50%;animation:rotate 1s linear infinite}@keyframes rotate{to{transform:rotate(360deg)}}.bottom-bar{min-height:65px;padding:10px 21px;display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);justify-content:space-between}.page-controls{display:flex;align-items:center;gap:12px}.page-arrow{width:31px;height:31px;border:1px solid #e4e9e6;background:white;display:grid;place-items:center;border-radius:7px;color:#3f6162}.page-arrow:not(:disabled):hover{background:#eef6f1}.page-arrow svg{width:17px;height:17px}.page-of{display:flex;align-items:center;gap:8px;font-size:12px;color:#6b7a80;white-space:nowrap}.page-of input{width:48px;min-height:30px;border:1px solid #dce7e3;background:#fff;border-radius:5px;text-align:center;font-weight:750;color:#263d3e;appearance:textfield;-moz-appearance:textfield}.page-of input::-webkit-inner-spin-button,.page-of input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.page-of strong{color:#2f3e45}.dimensions-text,.bottom-right{color:#8b9798;font-size:11px;font-weight:550}.bottom-right{display:flex;align-items:center;gap:9px}.bottom-dot{height:3px;width:3px;border-radius:50%;background:#a8b6b0}.below-viewer{text-align:center;color:#a3afac;font-size:11px;line-height:1.5;margin:16px 0 0}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:min(420px,94vw);color:white;background:#18343d;border-radius:10px;padding:13px 18px;box-shadow:0 12px 32px #0003;z-index:50;font-size:13px;line-height:1.5;text-align:center}.toast.error{background:#953f35}
@media(max-width:1120px){.workspace{grid-template-columns:76px minmax(0,1fr)}.rail{padding:20px 9px}.rail .eyebrow,.rail .rail-help,.rail .rail-bottom,.rail-nav{font-size:0}.rail-nav{justify-content:center;padding:14px 0}.rail-nav svg{width:21px;height:21px}.nav-count{display:none}.content-area{padding:25px 23px}.zoom-group{margin-left:3px}.dimensions-text{display:none}}
@media(max-width:760px){.topbar{height:66px;padding:0 16px}.brand-mark{width:35px;height:35px;border-radius:10px}.brand-mark svg{width:24px;height:24px}.brand-words strong{font-size:14px}.brand-words span{font-size:10px}.header-actions{gap:0}.privacy-pill{display:none}.primary-btn{padding:10px 12px;min-height:39px;font-size:12px}.btn-icon{width:16px;height:16px}.workspace{display:block;min-height:calc(100dvh - 66px)}.rail{display:none}.content-area{padding:20px 12px}.document-header{margin:0 6px 16px;align-items:flex-start}.document-heading h1{font-size:25px;max-width:270px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-label{font-size:9px}.document-subtitle{font-size:11px}.status-label{padding:6px 8px;font-size:10px;white-space:nowrap}.viewer-toolbar{height:auto;min-height:54px;flex-wrap:wrap;gap:3px;padding:7px 9px}.tool-group{gap:1px}.separator{margin:0 2px;height:19px}.segment{gap:4px;padding:6px 8px;font-size:11px}.segment svg{width:15px;height:15px}.icon-button{width:31px;height:32px}.zoom-group{margin-left:auto}.zoom-label{min-width:33px;padding:0 2px;font-size:11px}.text-button{padding:6px;font-size:11px;min-height:30px}.actual-btn{display:none}.tool-group.far-right{margin-left:auto}.toggle-label{font-size:11px;padding:3px 8px;gap:5px}.viewer-body{height:min(65dvh,740px);min-height:390px}.side-panel{position:absolute;top:0;left:0;bottom:0;z-index:7;box-shadow:8px 0 20px #0001;width:183px;flex-basis:183px}.book-stage{padding:29px 23px}.empty-state{padding:18px 14px}.empty-art{transform:scale(.75);height:160px;margin-bottom:8px}.small-caps{font-size:9px;letter-spacing:1.2px}.empty-state h2{font-size:27px}.empty-state>p:not(.small-caps):not(.empty-footnote){font-size:12px}.bottom-bar{min-height:60px;padding:8px 10px}.page-controls{gap:5px}.bottom-right{font-size:10px;gap:5px}.bottom-right span:first-child{display:none}.below-viewer{font-size:10px;padding:0 6px}}
@media(max-width:390px){.brand-words span{font-size:9px}.document-heading h1{max-width:220px}.status-label{display:none}.viewer-toolbar{gap:1px}.segment span{display:none}.segment{padding:6px 7px}.text-button{font-size:10px}.book-stage{padding:25px 12px}.bottom-right{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}