/* GF-M demo · look "Ruhig" (v5): neutral greys, one muted accent, muted status colours */
:root{--acc:#5B5FC7;--acc2:#E9EAF7;--acc3:#4F52B2;--red:#C4314B;--red2:#FCF4F6;--green:#237B4B;--green2:#EAF3ED;--yel:#8A5A00;--yel2:#FBF5E6;--ydot:#C19C00;
  --text:#242424;--muted:#616161;--line:#E0E0E0;--bg:#F5F5F5;--rail:#EBEBEB;--card:#fff;--radius:8px;--font:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Inter,Roboto,Arial,sans-serif}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
button{font:inherit}a{color:var(--acc)}
/* layout */
.app{display:grid;grid-template-columns:226px 1fr auto;min-height:100vh}
.rail{background:var(--rail);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:stretch;padding:14px 10px;gap:2px;position:sticky;top:0;height:100vh}
.rail .brand{display:flex;align-items:center;gap:10px;padding:2px 8px 16px}
.rail .brand .logo{width:34px;height:34px;border-radius:8px;background:var(--acc);color:#fff;font-weight:700;display:grid;place-items:center;font-size:13px;flex:none}
.rail .brand b{font-size:16px;color:#242424;line-height:1.05;display:block}
.rail .brand small{font-size:11px;color:#616161}
.rail a{display:flex;align-items:center;gap:12px;padding:9px 11px;border-radius:6px;color:#424242;text-decoration:none;font-size:14px;position:relative}
.rail a svg{width:20px;height:20px;flex:none}
.rail a.active{background:#fff;color:var(--acc);font-weight:600;box-shadow:inset 3px 0 0 var(--acc)}
.rail a .badge{margin-left:auto;background:var(--red);color:#fff;font-size:11px;font-weight:700;border-radius:999px;padding:0 7px;line-height:17px}
.rail .spacer{flex:1}
.main{min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:14px;padding:10px 28px;background:var(--bg);border-bottom:1px solid var(--line);min-height:56px}
.top .crumb{font-size:14px;color:var(--muted)}.top .crumb a{color:var(--muted);text-decoration:none}.top .crumb b{color:var(--text);font-weight:600}
.top .search{margin-left:auto;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px 10px;width:300px;color:var(--muted);font-size:13.5px}
.top .search input{border:none;outline:none;flex:1;font:inherit;color:var(--text);background:transparent}
.user{display:flex;align-items:center;gap:10px;font-size:13.5px;position:relative;cursor:pointer}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--acc);color:#fff;font-weight:600;display:grid;place-items:center;font-size:12px}
.user small{display:block;color:var(--muted);font-size:12px}
.user .menu{display:none;position:absolute;right:0;top:40px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.08);min-width:280px;z-index:20;padding:6px}
.user.open .menu{display:block}.user .menu div{padding:9px 10px;border-radius:6px;cursor:pointer}.user .menu div:hover{background:var(--bg)}.user .menu small{display:block}
.content{padding:22px 28px 90px;max-width:1140px;width:100%;display:flex;flex-direction:column;gap:18px}
/* assistant drawer */
.drawer{width:400px;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.drawer.closed{display:none}
.drawer header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line)}
.drawer header b{font-size:14px}.drawer header small{display:block;color:var(--muted);font-size:12px}
.drawer header .x{margin-left:auto;border:none;background:none;color:var(--muted);cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px}.drawer header .x:hover{background:var(--bg)}
.drawer .log{flex:1;overflow:auto;padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.msg{font-size:13.5px;line-height:1.55;border-radius:8px;padding:10px 12px;max-width:100%}
.msg .lbl{display:block;font-size:11px;color:var(--muted);margin-bottom:2px}
.msg.u{background:var(--acc2);align-self:flex-end;max-width:88%}
.msg.a{background:var(--bg);border:1px solid var(--line)}
.msg .tools{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.tool{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}
.tool:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc)}
.msg .acts{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.msg details{margin-top:8px}.msg summary{font-size:12px;color:var(--muted);cursor:pointer}.msg details p{font-size:12.5px;color:var(--muted);margin:6px 0 0}
.typing span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--muted);margin-right:3px;animation:b 1s infinite}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes b{0%,80%,100%{opacity:.25}40%{opacity:1}}
.drawer .sugg{display:flex;gap:6px;flex-wrap:wrap;padding:0 16px 8px}
.drawer .ask{display:flex;gap:8px;padding:10px 16px 12px;border-top:1px solid var(--line)}
.drawer .ask input{flex:1;border:1px solid #C7C7C7;border-radius:6px;padding:9px 11px;font:inherit;font-size:13.5px}
.drawer .foot{font-size:11.5px;color:var(--muted);padding:0 16px 10px;display:flex;gap:6px;align-items:center}
.drawer .foot i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
/* common */
h1{font-size:22px;margin:0;font-weight:700}h2{font-size:16px;margin:0 0 10px;font-weight:700}h3{font-size:14.5px;margin:0 0 8px;font-weight:700}
.sub{color:var(--muted);font-size:13.5px;margin-top:2px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.row{display:flex;gap:16px;align-items:flex-start}.row>*{min-width:0}.grow{flex:1}.right{margin-left:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 14px;border-radius:6px;border:1px solid #C7C7C7;background:#fff;font-weight:600;font-size:13.5px;color:var(--text);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--bg)}.btn.p{background:var(--acc);border-color:var(--acc);color:#fff}.btn.p:hover{background:var(--acc3)}.btn.sm{padding:5px 11px;font-size:13px}.btn.dis{opacity:.45;pointer-events:none}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.danger{color:var(--red);border-color:#E7B8C1}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid #C7C7C7;background:#fff;border-radius:999px;padding:5px 13px;font-size:13px;color:var(--text);cursor:pointer;text-decoration:none}.chip.on{background:var(--acc2);color:var(--acc);border-color:var(--acc)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line)}.tabs a{padding:9px 14px;color:var(--muted);text-decoration:none;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-1px}.tabs a.on{color:var(--text);font-weight:600;border-color:var(--acc)}
.tl{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13.5px}.tl i{width:9px;height:9px;border-radius:50%;display:inline-block}
.tl.ok{color:var(--green)}.tl.ok i{background:var(--green)}.tl.warn{color:var(--yel)}.tl.warn i{background:var(--ydot)}.tl.bad{color:var(--red)}.tl.bad i{background:var(--red)}.tl.grey{color:var(--muted)}.tl.grey i{background:#9E9E9E}
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:14px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.item .dot{width:10px;height:10px;border-radius:50%;flex:none;background:#C7C7C7}.item.bad .dot{background:var(--red)}.item.warn .dot{background:var(--ydot)}.item.ok .dot{background:var(--green)}
.item .t{flex:1;min-width:0}.item .t small{display:block;color:var(--muted);font-size:12.5px;margin-top:1px}.item .st{width:170px;flex:none;font-size:13px;color:var(--muted)}
.pcard{background:#fff;border:1px solid var(--line);border-left:3px solid #C7C7C7;border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.pcard.bad{border-left-color:var(--red)}.pcard.warn{border-left-color:var(--ydot)}.pcard.ok{border-left-color:var(--green)}.pcard.acc{border-left-color:var(--acc)}
.pcard h3{margin:0;font-size:15px}.pcard .meta{color:var(--muted);font-size:13px}
.bar{height:6px;background:#E6E6E6;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--acc);border-radius:4px;transition:width .6s}
.nums{display:flex;gap:36px;flex-wrap:wrap}.nums div b{display:block;font-size:26px;font-weight:700;line-height:1.1}.nums div span{color:var(--muted);font-size:13px}.nums .bad b{color:var(--red)}.nums .warn b{color:var(--yel)}.nums .ok b{color:var(--green)}
.problem{display:flex;gap:14px;padding:14px 16px;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:var(--radius);background:#fff;align-items:flex-start}
.problem.done{border-left-color:var(--green);opacity:.75}.problem .t{flex:1}.problem .t b{display:block;font-size:14.5px}.problem .t span{color:var(--muted);font-size:13.5px}.problem .a{display:flex;gap:8px;flex:none;flex-wrap:wrap;justify-content:flex-end}
details.fold{border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;background:#fff}details.fold summary{cursor:pointer;font-weight:600;font-size:14px}details.fold .body{margin-top:8px;color:var(--muted);font-size:13.5px;line-height:1.6}
.field{display:flex;flex-direction:column;gap:5px}.field label{font-size:13px;font-weight:600}.inp,select.inp,textarea.inp{border:1px solid #C7C7C7;border-radius:6px;padding:9px 12px;background:#fff;font:inherit;font-size:14px;color:var(--text);width:100%}textarea.inp{min-height:170px;line-height:1.5}
.form{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.note{font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}
.sticky{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);margin:0 -28px -90px;padding:12px 28px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.legend{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:12.5px;align-items:center}
/* table / grid */
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.grid{border-collapse:collapse;font-size:13px;min-width:1200px;width:100%}
table.grid th{position:sticky;top:0;background:#F5F5F5;text-align:left;padding:8px 10px;font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap;cursor:pointer;user-select:none}
table.grid td{padding:7px 10px;border-bottom:1px solid #EEE;white-space:nowrap}table.grid tr:hover td{background:#FAFAFA}
table.grid td.edit{outline:2px solid var(--acc);outline-offset:-2px;background:#fff}
table.grid .rn{color:#9E9E9E;width:40px;text-align:right;background:#FAFAFA}
.sheets{display:flex;gap:2px;border-top:1px solid var(--line);background:#F5F5F5;padding:4px 8px 0}.sheets a{padding:6px 12px;font-size:13px;color:var(--muted);text-decoration:none;border:1px solid transparent;border-bottom:none;border-radius:6px 6px 0 0}.sheets a.on{background:#fff;color:var(--text);font-weight:600;border-color:var(--line)}
.tag{display:inline-block;font-size:12px;border-radius:999px;padding:1px 9px;background:#F0F0F0;color:var(--muted)}.tag.ok{background:var(--green2);color:var(--green)}.tag.bad{background:var(--red2);color:var(--red)}.tag.warn{background:var(--yel2);color:var(--yel)}.tag.acc{background:var(--acc2);color:var(--acc)}
/* files */
.tree{font-size:13.5px}.tree div{padding:6px 8px;border-radius:6px;cursor:pointer}.tree div.on{background:var(--acc2);color:var(--acc);font-weight:600}.tree .l1{padding-left:22px}
.file{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid #EEE}.file:last-child{border:none}.file .ic{width:34px;height:34px;border-radius:7px;background:var(--bg);display:grid;place-items:center;color:var(--muted);font-size:10px;font-weight:700}
.file .t{flex:1;min-width:0}.file .t small{display:block;color:var(--muted);font-size:12.5px}.file .vis{display:flex;gap:6px;flex-wrap:wrap}
.vischip{font-size:12px;border:1px solid #C7C7C7;border-radius:999px;padding:2px 9px;cursor:pointer;color:var(--muted);background:#fff}.vischip.on{background:var(--acc2);border-color:var(--acc);color:var(--acc)}
/* migration */
.steps{display:flex;gap:8px}.steps div{flex:1;padding:8px 12px;border-radius:999px;text-align:center;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);font-weight:600}.steps .on{border-color:var(--acc);background:var(--acc2);color:var(--acc)}.steps .done{border-color:#BFDCC9;background:var(--green2);color:var(--green)}
.console{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:#1F1F1F;color:#E6E6E6;border-radius:var(--radius);padding:12px 14px;max-height:260px;overflow:auto;line-height:1.6}.console .ok{color:#7FD39A}.console .dim{color:#9E9E9E}
.prog{display:grid;grid-template-columns:200px 1fr 90px;gap:10px 14px;align-items:center;font-size:13.5px}.prog .bar{height:8px}
table.plain{border-collapse:collapse;width:100%;font-size:13.5px}table.plain th{text-align:left;color:var(--muted);font-weight:600;font-size:12.5px;padding:8px 10px;border-bottom:1px solid var(--line)}table.plain td{padding:9px 10px;border-bottom:1px solid #EEE;vertical-align:middle}table.plain tr:last-child td{border:none}
/* modal */
.modalbg{position:fixed;inset:0;background:rgba(0,0,0,.25);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}.modalbg.open{display:flex}
.modal{background:#fff;border-radius:10px;width:min(760px,100%);max-height:90vh;overflow:auto;padding:22px 24px;display:flex;flex-direction:column;gap:14px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#242424;color:#fff;padding:10px 16px;border-radius:8px;font-size:13.5px;z-index:60;opacity:0;transition:opacity .25s;pointer-events:none}.toast.show{opacity:1}
/* upload */
.house{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;cursor:pointer}.house.on{border-color:var(--acc);background:var(--acc2)}.house .grow{flex:1}.house small{display:block;color:var(--muted);font-size:12.5px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.tile{border:1px solid #C7C7C7;border-radius:var(--radius);background:#fff;padding:16px 12px;text-align:center;font-weight:600;font-size:13.5px;cursor:pointer}.tile.on{border-color:var(--acc);background:var(--acc2);color:var(--acc)}
.drop{border:1px dashed #BDBDBD;border-radius:var(--radius);padding:24px;text-align:center;background:#fff;color:var(--muted)}
.okbox{border:1px solid #BFDCC9;background:var(--green2);border-radius:var(--radius);padding:12px 14px}
.result{padding:12px 0;border-bottom:1px solid #EEE}.result:last-child{border:none}.result .who{color:var(--muted);font-size:12.5px}mark{background:var(--acc2);padding:0 2px}
.stamp{font-size:11px;color:#9E9E9E}
.hero{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 28px;display:flex;gap:24px;align-items:center}
.hero h1{font-size:24px}.hero p{margin:6px 0 0;color:var(--muted)}
@media (max-width:1100px){.app{grid-template-columns:72px 1fr}.drawer{position:fixed;right:0;top:0;width:min(400px,100%);z-index:40;box-shadow:-10px 0 30px rgba(0,0,0,.1)}.top .search{display:none}}
@media (max-width:800px){.app{grid-template-columns:1fr}.rail{flex-direction:row;flex-wrap:wrap;height:auto;position:static;overflow:auto;padding:8px;align-items:center}.rail .brand{padding:4px 8px}.rail a{padding:8px 10px;font-size:13px}.rail a .badge{margin-left:6px}.rail .spacer{display:none}
.grid2,.grid3,.form{grid-template-columns:1fr}.content{padding:16px 16px 100px}.sticky{margin:0 -16px -100px;padding:12px 16px}.row{flex-direction:column}.item{flex-wrap:wrap}.item .st{width:auto}.top .crumb{display:none}.user small{display:none}.nums{gap:20px}.prog{grid-template-columns:1fr}}