:root{--bg:#faf8f5;--panel:#ffffff;--panel2:#f3f0ea;--ink:#1f1d1a;--ink2:#5d5850;--ink3:#8d877c;--line:#e5e0d6;--acc:#2f5d50;--acc2:#e3eee9;--warn:#a8551a;--warn2:#fbeee2;--bad:#b3261e;--bad2:#fbe9e7;--ok:#2d7a4b;--hl:#fff1a8;--sel:#dfeee8;--shadow:0 8px 30px rgba(30,25,15,.12);--ui:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--serif:"Iowan Old Style","Charter","Source Serif Pro",Georgia,"Times New Roman",serif;--lw:270px;--rw:340px;--r:10px}
:root[data-theme=dark]{--bg:#17181a;--panel:#1e2022;--panel2:#25282b;--ink:#ebe8e1;--ink2:#b3aea4;--ink3:#827e75;--line:#32353a;--acc:#7cc4ad;--acc2:#23372f;--warn:#e0a064;--warn2:#3a2c1d;--bad:#f0877f;--bad2:#40201d;--ok:#74c895;--hl:#5a4d12;--sel:#27403a;--shadow:0 8px 30px rgba(0,0,0,.5)}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font:14px/1.45 var(--ui);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}a{color:var(--acc)}h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
#app{display:grid;grid-template-columns:76px 1fr;height:100vh;height:100dvh}
#rail{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:4px}
#rail .logo{font:700 18px var(--serif);width:40px;height:40px;border-radius:12px;background:var(--acc);color:var(--bg);display:grid;place-items:center;margin-bottom:10px}
.nav{display:flex;flex-direction:column;align-items:center;gap:3px;width:64px;padding:8px 0;border-radius:10px;color:var(--ink2);text-decoration:none;font-size:11px;cursor:pointer;border:0;background:none}
.nav svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.nav:hover{background:var(--panel2)}.nav.on{background:var(--acc2);color:var(--acc);font-weight:600}.sp{flex:1}
#content{display:flex;flex-direction:column;min-width:0;min-height:0}
#top{height:50px;display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--panel)}
#top .crumb{font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#main{flex:1;overflow:auto;min-height:0}
#tabbar{display:none}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 12px;cursor:pointer;font-weight:550;display:inline-flex;gap:6px;align-items:center;white-space:nowrap}.btn:hover{background:var(--panel2)}
.btn.pri{background:var(--acc);border-color:var(--acc);color:var(--bg)}.btn.pri:hover{filter:brightness(1.08)}.btn.big{padding:12px 22px;font-size:16px;border-radius:10px}
.btn.danger{color:var(--bad);border-color:var(--bad)}.btn.ghost{border-color:transparent;background:none}.btn.sm{padding:3px 8px;font-size:12px;border-radius:6px}.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.on{background:var(--acc2);border-color:var(--acc);color:var(--acc)}
input[type=text],input[type=date],input[type=number],input[type=url],input[type=password],select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:var(--panel);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc2)}textarea{resize:vertical;min-height:70px;line-height:1.5}
label.f{display:block;margin:0 0 12px}label.f>span{display:block;font-size:12px;font-weight:600;color:var(--ink2);margin-bottom:4px}label.f>small{display:block;color:var(--ink3);font-size:11px;margin-top:3px}
.wrap{max-width:1040px;margin:0 auto;padding:26px 22px 80px}.wrap.narrow{max-width:760px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-bottom:14px}.card h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2);margin-bottom:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.row{display:flex;gap:8px;align-items:center}.row.wrapx{flex-wrap:wrap}.between{justify-content:space-between}
.muted{color:var(--ink3)}.sm{font-size:12px}.chip{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 8px;border-radius:99px;background:var(--panel2);color:var(--ink2);border:1px solid var(--line)}
.chip.acc{background:var(--acc2);color:var(--acc);border-color:transparent}.chip.warn{background:var(--warn2);color:var(--warn);border-color:transparent}.chip.bad{background:var(--bad2);color:var(--bad);border-color:transparent}.chip.ok{background:var(--acc2);color:var(--ok);border-color:transparent}
.prov-original{background:#e6f0ff;color:#1d4f9e}.prov-source{background:#efe7ff;color:#5b3aa8}.prov-interpretation{background:#e4f4ea;color:#256b42}.prov-ai{background:#fff0d6;color:#8a5a00}
:root[data-theme=dark] .prov-original{background:#1d2c45;color:#8db6f5}:root[data-theme=dark] .prov-source{background:#2e2547;color:#bba6f2}:root[data-theme=dark] .prov-interpretation{background:#1e3a2a;color:#86d3a5}:root[data-theme=dark] .prov-ai{background:#45340f;color:#f1c36c}
.bar{height:8px;background:var(--panel2);border-radius:9px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--acc);border-radius:9px;transition:width .3s}.bar.rev>i{background:#7a5ea8}
.hero{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.hero h1{font:600 30px/1.15 var(--serif)}
.empty{text-align:center;padding:50px 20px;color:var(--ink2)}.empty h2{font:600 24px var(--serif);color:var(--ink);margin-bottom:8px}.empty p{max-width:440px;margin:0 auto 18px}
.next{border-left:4px solid var(--acc);padding-left:14px;font-size:17px;font-family:var(--serif)}
.restart{background:var(--warn2);border:1px solid transparent;border-radius:var(--r);padding:14px 18px;margin-bottom:14px}.restart b{color:var(--warn)}
.task{display:flex;gap:8px;align-items:flex-start;padding:6px 0;border-bottom:1px solid var(--line)}.task:last-child{border:0}.task input{margin-top:3px}.task.done .t{text-decoration:line-through;color:var(--ink3)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}.tabs button{border:0;background:none;padding:9px 14px;cursor:pointer;color:var(--ink2);border-bottom:2px solid transparent;font-weight:550;white-space:nowrap}.tabs button.on{color:var(--acc);border-color:var(--acc)}
.booklist{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}.bookcard{cursor:pointer;transition:.15s;position:relative}.bookcard:hover{border-color:var(--acc);transform:translateY(-1px)}.bookcard h2{font:600 19px/1.2 var(--serif);margin-bottom:3px}
.star{position:absolute;top:12px;right:14px;color:var(--ink3);cursor:pointer;font-size:18px;background:none;border:0}.star.on{color:#c9971c}
.pipe{display:flex;flex-wrap:wrap;gap:4px}.pipe span{font-size:11px;padding:3px 8px;border-radius:99px;background:var(--panel2);color:var(--ink3)}.pipe span.done{background:var(--acc2);color:var(--acc)}.pipe span.cur{background:var(--acc);color:var(--bg);font-weight:700}
/* tree */
.tree{font-size:13.5px}.trow{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:7px;cursor:pointer;position:relative;border:1px solid transparent}.trow:hover{background:var(--panel2)}.trow.on{background:var(--acc2);color:var(--acc);font-weight:600}
.trow.over-in{background:var(--sel);border-color:var(--acc)}.trow.over-before::before,.trow.over-after::after{content:"";position:absolute;left:6px;right:6px;height:2px;background:var(--acc)}.trow.over-before::before{top:-1px}.trow.over-after::after{bottom:-1px}
.trow .tt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trow .num{color:var(--ink3);min-width:18px;font-size:11px;text-align:right}.trow .wc{color:var(--ink3);font-size:11px}.trow.part>.tt{text-transform:uppercase;letter-spacing:.05em;font-size:11px;font-weight:700;color:var(--ink2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line);flex:none}.dot.Drafting{background:#d49a1f}.dot.Draftcomplete{background:#4b8fc9}.dot.Revising{background:#9a6ac9}.dot.Final{background:var(--ok)}
.grip{cursor:grab;color:var(--ink3);font-size:11px}.more{border:0;background:none;cursor:pointer;color:var(--ink3);padding:0 4px;border-radius:4px;visibility:hidden}.trow:hover .more,.trow.on .more{visibility:visible}.more:hover{background:var(--line)}
.dtree .trow{padding:8px 8px;border-bottom:1px solid var(--line);border-radius:0}.dtree .trow input,.dtree .trow select{padding:3px 6px;font-size:12.5px}
/* write layout */
.write{display:grid;grid-template-columns:var(--lw) 5px minmax(0,1fr) 5px var(--rw);height:100%;min-height:0}
.write.nol{grid-template-columns:0 0 minmax(0,1fr) 5px var(--rw)}.write.nor{grid-template-columns:var(--lw) 5px minmax(0,1fr) 0 0}.write.nol.nor,.write.focus{grid-template-columns:0 0 minmax(0,1fr) 0 0}
.pnl{background:var(--panel);overflow:auto;min-width:0;display:flex;flex-direction:column}.write.nol>.pl,.write.nor>.pr,.write.focus>.pl,.write.focus>.pr{display:none}
.rsz{background:var(--line);cursor:col-resize;width:5px}.rsz:hover{background:var(--acc)}.write.nol>.rsz.l,.write.nor>.rsz.r,.write.focus>.rsz{display:none}
.pl{border-right:1px solid var(--line)}.pr{border-left:1px solid var(--line)}.pnl .ph{padding:10px 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;font-weight:600;position:sticky;top:0;background:var(--panel);z-index:2}.pnl .pb{padding:10px 12px;overflow:auto;flex:1}
.center{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg)}
.tools{display:flex;gap:2px;flex-wrap:wrap;align-items:center;padding:6px 12px;border-bottom:1px solid var(--line);background:var(--panel)}.tools .sep{width:1px;height:20px;background:var(--line);margin:0 4px}.tools button{border:0;background:none;border-radius:6px;padding:5px 8px;cursor:pointer;min-width:28px;color:var(--ink)}.tools button:hover{background:var(--panel2)}.tools button.on{background:var(--acc2);color:var(--acc)}
.chead{padding:14px 24px 0;max-width:820px;width:100%;margin:0 auto}.ctitle{font:650 28px/1.2 var(--serif);border:0!important;box-shadow:none!important;background:none!important;padding:4px 0!important;width:100%}
.cmeta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--ink2);padding:4px 0 10px}.cmeta select{width:auto;padding:2px 6px;font-size:12px}
.edscroll{flex:1;overflow:auto;min-height:0}.edwrap{max-width:820px;margin:0 auto;padding:6px 24px 140px}
.ed{outline:none;font:19px/1.75 var(--serif);min-height:60vh;counter-reset:fn;caret-color:var(--acc)}.ed p{margin:0 0 1em}.ed h2{font:650 1.55em/1.25 var(--serif);margin:1.4em 0 .5em}.ed h3{font:650 1.2em/1.3 var(--serif);margin:1.2em 0 .4em}
.ed blockquote{margin:1em 0;padding:.2em 0 .2em 1.1em;border-left:3px solid var(--acc);color:var(--ink2);font-style:italic}.ed ul,.ed ol{margin:0 0 1em;padding-left:1.6em}.ed table{border-collapse:collapse;width:100%;margin:1em 0;font:15px var(--ui)}.ed td,.ed th{border:1px solid var(--line);padding:6px 8px;vertical-align:top;min-width:40px}
.ed figure{margin:1.2em 0;text-align:center}.ed figure img{max-width:100%;border-radius:4px;cursor:pointer}.ed figcaption{font:13px var(--ui);color:var(--ink2);margin-top:6px}
.ed sup.fn{counter-increment:fn;color:var(--acc);cursor:pointer;font:600 .7em var(--ui);padding:0 1px}.ed sup.fn::after{content:counter(fn)}
.mk{background:var(--warn2);color:var(--warn);border-radius:4px;padding:0 4px;font:600 .72em var(--ui);letter-spacing:.02em}.mk.flash,.flash{animation:fl 1.6s}@keyframes fl{0%,60%{outline:3px solid var(--acc);outline-offset:2px;background:var(--hl)}100%{outline:0}}
.hl{background:var(--hl);color:inherit;border-radius:2px}.cmt{background:var(--acc2);border-bottom:2px solid var(--acc);cursor:pointer}.cmt.res{background:none;border-color:var(--line)}.ai-ins{background:rgba(255,200,80,.18);border-left:3px solid #d49a1f;padding-left:8px}
.ed.draft{spellcheck:false}body.focus-mode .tools{display:none}
.status{display:flex;gap:14px;align-items:center;padding:5px 14px;border-top:1px solid var(--line);background:var(--panel);font-size:12px;color:var(--ink2)}.status .grow{flex:1}.sv.ok{color:var(--ok)}.sv.bad{color:var(--bad);font-weight:700}.sv.wait{color:var(--warn)}
.fnotes{border-top:1px solid var(--line);margin-top:30px;padding-top:10px;font:14px/1.5 var(--ui);color:var(--ink2)}.fnotes ol{padding-left:22px}
.selbar{position:fixed;z-index:60;background:var(--ink);color:var(--bg);border-radius:9px;padding:4px;display:flex;gap:2px;box-shadow:var(--shadow)}.selbar button{border:0;background:none;color:inherit;padding:5px 9px;border-radius:6px;cursor:pointer;font-size:12.5px}.selbar button:hover{background:rgba(255,255,255,.18)}
/* right panel */
.rtabs{display:flex;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);z-index:2;overflow-x:auto}.rtabs button{flex:1;border:0;background:none;padding:9px 6px;cursor:pointer;font-size:12.5px;color:var(--ink2);border-bottom:2px solid transparent;white-space:nowrap}.rtabs button.on{color:var(--acc);border-color:var(--acc);font-weight:650}
.it{border:1px solid var(--line);border-radius:9px;padding:9px 11px;margin-bottom:8px;background:var(--panel)}.it h4{font-size:13px;margin-bottom:3px}.it .b{font-size:12.5px;color:var(--ink2);white-space:pre-wrap;max-height:90px;overflow:hidden}.it .acts{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}
.sec{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);margin:14px 0 6px;font-weight:700}
.diff ins{background:#d7f0dc;color:#145c2c;text-decoration:none;border-radius:2px;padding:0 1px}.diff del{background:#fbdcd8;color:#8a1f17;border-radius:2px;padding:0 1px}
:root[data-theme=dark] .diff ins{background:#1d4029;color:#9be1b4}:root[data-theme=dark] .diff del{background:#4a2420;color:#f4a79f}.diff .hk{cursor:pointer}.diff .hk.off ins{opacity:.35;text-decoration:line-through}.diff .hk.off del{background:none;color:inherit;text-decoration:none;opacity:1}
.blk{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px;font:15px/1.6 var(--serif)}.blk.skip{opacity:.55}
.find{border-left:3px solid var(--warn);background:var(--panel2);padding:8px 10px;border-radius:0 8px 8px 0;margin-bottom:8px;font-size:13px}.find.high{border-color:var(--bad)}.find.low{border-color:var(--ink3)}.find q{display:block;font-style:italic;color:var(--ink2);margin:3px 0}
.ov{position:fixed;inset:0;background:rgba(15,12,8,.45);display:flex;align-items:flex-start;justify-content:center;z-index:100;padding:6vh 14px;overflow:auto}.modal{background:var(--panel);border-radius:14px;box-shadow:var(--shadow);width:min(520px,100%);display:flex;flex-direction:column;max-height:88vh}.modal.wide{width:min(940px,100%)}
.modal header{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}.modal header h3{flex:1;font-size:16px}.modal .x{border:0;background:none;font-size:22px;cursor:pointer;color:var(--ink3)}.modal .mb{padding:16px 18px;overflow:auto}.modal footer{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.pal{width:min(640px,100%)}.pal input{border:0;border-bottom:1px solid var(--line);border-radius:14px 14px 0 0;padding:16px 18px;font-size:16px;box-shadow:none!important}.pal .res{max-height:55vh;overflow:auto}.pal .ri{padding:9px 18px;cursor:pointer;display:flex;gap:10px;align-items:baseline}.pal .ri.on,.pal .ri:hover{background:var(--acc2)}.pal .ri small{color:var(--ink3);margin-left:auto}.pal .ri mark{background:var(--hl);color:inherit}
.menu{position:fixed;z-index:90;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:4px;min-width:190px}.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:7px 10px;border-radius:6px;cursor:pointer}.menu button:hover{background:var(--panel2)}.menu hr{border:0;border-top:1px solid var(--line);margin:4px 0}.menu .dg{color:var(--bad)}
.toasts{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}.toast{background:var(--ink);color:var(--bg);padding:9px 14px;border-radius:9px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center}.toast button{background:none;border:0;color:var(--acc2);cursor:pointer;font-weight:700}
.lock{position:fixed;inset:0;background:var(--bg);z-index:300;display:grid;place-items:center}.lock .box{width:min(340px,90vw);text-align:center}
.nt{display:grid;grid-template-columns:300px 1fr;height:100%}.nt>div{overflow:auto;padding:14px}.ntl{border-right:1px solid var(--line)}.ntwrap{max-width:780px;margin:0 auto;display:flex;flex-direction:column;min-height:calc(100% - 4px)}.nttitle{font:600 24px var(--serif);border:0;border-bottom:1px solid var(--line);padding:8px 2px;margin-bottom:8px;background:transparent;color:inherit;width:100%}.ntbody{flex:1;min-height:55vh;width:100%;resize:vertical;font:18px/1.7 var(--serif);border:0;background:transparent;color:inherit;padding:6px 2px}.ntbody:focus,.nttitle:focus{outline:2px solid var(--acc,#6b5bd6);outline-offset:2px}.kb{display:grid;grid-template-columns:230px minmax(240px,340px) 1fr;gap:0;height:100%}.kb>div{overflow:auto;padding:14px;border-right:1px solid var(--line)}.kb>div:last-child{border:0}
.li{padding:9px 10px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}.li:hover{background:var(--panel2)}.li.on{background:var(--acc2);border-color:var(--acc)}.li h4{font-size:13.5px}.li p{margin:2px 0 0;font-size:12px;color:var(--ink2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.fl button{display:flex;justify-content:space-between;width:100%;border:0;background:none;padding:5px 8px;border-radius:6px;cursor:pointer;color:var(--ink2);text-align:left}.fl button.on{background:var(--acc2);color:var(--acc);font-weight:650}.fl button:hover{background:var(--panel2)}
.fab{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--acc);color:var(--bg);border:0;font-size:26px;box-shadow:var(--shadow);cursor:pointer;z-index:40;display:none}
.srcbox{border-left:3px solid #5b3aa8;padding-left:10px;margin-bottom:12px}.interbox{border-left:3px solid #256b42;padding-left:10px;margin-bottom:12px}
.spin{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--acc);border-radius:50%;display:inline-block;animation:sp .7s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}
table.t{width:100%;border-collapse:collapse}table.t td,table.t th{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{border:0;background:var(--panel);padding:5px 10px;cursor:pointer;color:var(--ink2)}.seg button.on{background:var(--acc);color:var(--bg)}
@media(max-width:860px){#app{grid-template-columns:1fr;grid-template-rows:1fr auto}#rail{display:none}#tabbar{display:flex;border-top:1px solid var(--line);background:var(--panel);justify-content:space-around;padding:4px 0 max(4px,env(safe-area-inset-bottom))}#tabbar .nav{width:auto;flex:1;padding:6px 0}
.grid2,.grid3{grid-template-columns:1fr}.write,.write.nol,.write.nor{grid-template-columns:minmax(0,1fr)!important}.write>.pl,.write>.pr{position:fixed;inset:50px 0 0 0;z-index:50;display:none;width:100%}.write.mob-l>.pl,.write.mob-r>.pr{display:flex}.rsz{display:none!important}.edwrap,.chead{padding-left:16px;padding-right:16px}.ed{font-size:18px}.kb{grid-template-columns:1fr}.nt{grid-template-columns:1fr}.ntl{border:0}.kb>div{border:0}.fab{display:block}.wrap{padding:16px 14px 90px}.hero h1{font-size:24px}}
@media print{#rail,#top,#tabbar,.tools,.status,.pl,.pr,.fab{display:none!important}#app{display:block}#main{overflow:visible}body{background:#fff}.ed{font-size:12pt}}
.mobonly{display:none}
@media(max-width:860px){.mobonly{display:inline-flex}}
body.focus-mode #rail,body.focus-mode #top{display:none}
body.focus-mode #app{grid-template-columns:1fr}
.exitfocus{position:fixed;top:10px;right:12px;z-index:60;opacity:.35}.exitfocus:hover{opacity:1}
.sv{font-size:12px}
.btn.warnb{border-color:var(--warn);color:var(--warn)}