/* ---- module socle : application du kit ---- */
.stage{gap:0}
.stage .topline{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px;margin-bottom:18px}
.stage .who{margin:0}
.sheet{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px 22px 22px;max-width:920px}
.sheet h2{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.015em;color:var(--ink);margin:0}
.sheet h3{font-family:var(--display);font-weight:600;font-size:14px;color:var(--ink);margin:18px 0 6px}
.sheet h4{font-size:9.5px;letter-spacing:.13em;color:var(--faint);text-transform:uppercase;font-weight:500;margin:14px 0 6px}
.sheet p{margin:0 0 10px;max-width:70ch;color:#c3d0cd;font-size:12.5px;line-height:1.65}
.sheet ul,.sheet ol{max-width:70ch;padding-left:18px;margin:0 0 10px;color:#c3d0cd;font-size:12.5px}
.sheet code{background:#111a1c;padding:1px 4px;border-radius:3px;font-size:11.5px;color:var(--accent)}
.sheet pre{background:#0a1113;border:1px solid var(--line);border-radius:7px;padding:10px 12px;overflow-x:auto;font-size:11px;line-height:1.6;color:#a9b8b5;margin:8px 0 12px}
.sheet pre code{background:none;color:inherit;padding:0}
.simhead{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;margin-bottom:8px}
.simhead .k{font-size:9.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.simhead .lvl{font-size:9.5px;letter-spacing:.06em;color:var(--faint);text-transform:uppercase;flex-basis:100%}
.phase{font-size:9px;letter-spacing:.15em;color:var(--faint);text-transform:uppercase;margin:16px 0 6px;padding-top:12px;border-top:1px solid var(--line)}
.tutor{border-left:2px solid var(--accent);background:var(--panel2);padding:9px 13px;border-radius:0 6px 6px 0;margin:8px 0;max-width:70ch;font-size:12.5px;line-height:1.6;color:#c3d0cd}
.tutor b{color:var(--accent)}
.fb{padding:9px 13px;border-radius:6px;margin:8px 0;max-width:70ch;border:1px solid var(--line2);font-size:12px;line-height:1.55;color:#c3d0cd}
.fb.ok{border-color:var(--accent)} .fb.bad{border-color:var(--bad)} .fb.warn{border-color:var(--warn)}
.fb.ok::before{content:"OK · ";color:var(--accent);letter-spacing:.1em;font-size:9.5px}
.fb.bad::before{content:"ÉCART · ";color:var(--bad);letter-spacing:.1em;font-size:9.5px}
.fb.warn::before{content:"ANCRAGE · ";color:var(--warn);letter-spacing:.1em;font-size:9.5px}
button.opt{display:block;width:100%;max-width:70ch;text-align:left;margin:5px 0;padding:8px 11px;border:1px solid var(--line2);border-radius:6px;font-size:12px;color:var(--ink);line-height:1.5}
button.opt:hover:not(:disabled){border-color:var(--accent)}
button.opt.right{border-color:var(--accent);box-shadow:inset 2px 0 0 var(--accent)}
button.opt.wrong{border-color:var(--bad);box-shadow:inset 2px 0 0 var(--bad)}
button.opt:disabled{cursor:default;opacity:.85}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.chat{display:flex;flex-direction:column;gap:6px;max-width:70ch;margin:8px 0}
.msg{padding:8px 12px;border-radius:8px;max-width:88%;font-size:12.5px;line-height:1.55}
.msg.t{background:var(--panel2);border:1px solid var(--line);align-self:flex-start;color:#c3d0cd}
.msg.t b{color:var(--accent)}
.msg.s{background:#0e1417;border:1px solid var(--line2);align-self:flex-end;color:var(--ink)}
.stage .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;max-width:70ch;padding:0;margin:8px 0}
.stage .row:hover{background:none}
.stage .row input,.stage .row select{flex:1 1 140px;width:auto}
.term{font-family:var(--mono);font-size:11px;background:#0a1113;border:1px solid var(--line);color:#a9b8b5;padding:9px 12px;border-radius:7px;margin:8px 0;overflow-x:auto;white-space:pre}
.field{max-width:70ch}
label{display:block;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:12px 0 4px}
.chk{display:flex;gap:8px;align-items:flex-start;font-size:12px;text-transform:none;letter-spacing:0;color:#c3d0cd;margin:6px 0;max-width:70ch}
.chk input{margin-top:3px;width:auto;accent-color:var(--accent)}
.tbl{overflow-x:auto;margin:8px 0 12px;border:1px solid var(--line);border-radius:7px}
.tbl table{width:100%;border-collapse:collapse;font-size:11.5px}
.tbl th{text-align:left;font-weight:400;font-size:8.5px;letter-spacing:.13em;color:var(--faint);text-transform:uppercase;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--panel2)}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);color:#c3d0cd;vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tag{display:inline-block;font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;padding:1px 6px;border-radius:3px;border:1px solid currentColor;white-space:nowrap}
.ok-t{color:var(--accent)} .warn-t{color:var(--warn)} .bad-t{color:var(--bad)}
.state,.st.s0,.st.s1,.st.s2,.st.s3,.st.s4{display:inline-block;font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;padding:1px 6px;border-radius:3px}
.state{border:1px solid var(--line2);color:var(--dim)}
.st.s0{color:var(--dim);border:1px solid var(--line2)} .st.s1{color:var(--st1);border:1px solid var(--st1)} .st.s2{color:var(--st2);border:1px solid var(--st2)} .st.s3{color:var(--st3);border:1px solid var(--st3)} .st.s4{color:var(--st4);border:1px solid var(--st4)}
.small{font-size:11.5px;color:var(--dim)}
.demo{font-size:9px;color:var(--faint);letter-spacing:.12em;text-transform:uppercase}
/* left : comment je suis évalué */
.how{padding:0 18px}
.how .stp{display:grid;grid-template-columns:22px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid var(--line);font-size:10.5px;color:var(--dim);line-height:1.5}
.how .stp:last-child{border-bottom:0}
.how .stp b{font-family:var(--display);color:var(--accent);font-size:12px}
.how .stp em{color:var(--ink);font-style:normal}
.conf{width:100%;border-collapse:collapse;font-size:10px;margin-top:8px}
.conf td{padding:4px 0;border-bottom:1px solid var(--line);color:var(--dim)}
.conf td:last-child{text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}
.conf tr:last-child td{border-bottom:0}
/* right : second brain */
.nodes{padding:6px 0 0}
.node{display:grid;grid-template-columns:12px 34px 1fr auto;gap:0 8px;align-items:center;font-size:11px;padding:5px 18px;border-top:1px solid var(--line)}
.node .d{width:6px;height:6px;border-radius:50%;display:block}
.node .d.s0{background:var(--st0)} .node .d.s1{background:var(--st1)} .node .d.s2{background:var(--st2)} .node .d.s3{background:var(--st3)} .node .d.s4{background:var(--st4)}
.node .id{font-size:9.5px;color:var(--faint);letter-spacing:.05em}
.node .nm{color:var(--ink);min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.node .st{font-size:8px;letter-spacing:.1em;text-transform:uppercase;padding:0;border:0}
.node .bar{grid-column:2/5;height:4px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:4px}
.node .bar i{display:block;height:100%;background:var(--accent)}
.node .bar i.cap{background:linear-gradient(90deg,var(--accent) 0 60%,var(--warn) 60% 100%)}
.legend{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:9px;color:var(--faint);letter-spacing:.08em;padding:10px 18px 0;text-transform:uppercase}
.legend span{display:inline-flex;align-items:center;gap:5px}
.legend i{width:6px;height:6px;border-radius:50%;display:inline-block}
.traj{max-height:300px;overflow:auto}
.traj .ev-ok{color:var(--ink)} .traj .ev-bad{color:var(--bad)} .traj .ev-info{color:var(--dim)}
.stepbar{display:flex;flex-direction:column}
.stepbar .app{padding:7px 18px}
.stepbar .app .t{font-size:10.5px;letter-spacing:.08em}
.stepbar .app:disabled{opacity:.45;cursor:default}

/* ---- pages de la plateforme ---- */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.auth .box{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:26px 26px 24px}
.auth .brand{font-size:22px;margin-bottom:4px}
.auth .who{margin-bottom:18px}
.auth h1{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.01em;margin:0 0 6px}
.auth p{font-size:12px;color:#c3d0cd;line-height:1.6;margin:0 0 10px}
.auth .links{margin-top:14px;font-size:10.5px;color:var(--faint);display:flex;gap:14px;flex-wrap:wrap}
.auth .links a{color:var(--dim)} .auth .links a:hover{color:var(--accent)}
.flash{border:1px solid var(--line2);border-left:2px solid var(--accent);border-radius:6px;padding:8px 12px;font-size:11.5px;color:#c3d0cd;margin:0 0 12px}
.flash.bad{border-left-color:var(--bad)} .flash.warn{border-left-color:var(--warn)}
.userblk{padding:0 18px 12px;font-size:11px;color:var(--dim)}
.userblk b{color:var(--ink);display:block;font-size:12px}
.userblk form{margin-top:8px}
.stage .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;max-width:920px}
.mod{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.mod:hover{border-color:var(--line2)}
.mod .k{font-size:9px;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.mod .k.pre{color:var(--accent)}
.mod h3{font-family:var(--display);font-weight:700;font-size:15px;margin:0;color:var(--ink)}
.mod p{font-size:11.5px;color:#a9b8b5;margin:0;line-height:1.55}
.mod .meter{display:flex;gap:3px;margin-top:4px}
.mod .meter i{height:5px;flex:1;border-radius:2px;background:var(--line);display:block}
.mod .meter i.on{background:var(--accent)} .mod .meter i.cap{background:var(--warn)}
.mod .foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px;font-size:10px;color:var(--faint)}
.sheet.wide{max-width:none}
.sheet form label{margin-top:10px}
.sheet .inline{display:flex;gap:8px;flex-wrap:wrap;align-items:end}
.sheet .inline > div{flex:1 1 180px}
.up{border:1px dashed var(--line2);border-radius:8px;padding:14px;margin:8px 0 12px;max-width:70ch}
.up input[type=file]{background:none;border:0;padding:0;font-size:11px;color:var(--dim)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:11.5px;color:#c3d0cd;max-width:70ch}
.kv b{color:var(--faint);font-weight:400;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;padding-top:2px}
.heat{overflow-x:auto}
.heat table{border-collapse:collapse;font-size:10.5px}
.heat th{font-size:8.5px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;padding:6px 6px;text-align:left;border-bottom:1px solid var(--line);font-weight:400;white-space:nowrap}
.heat td{padding:5px 6px;border-bottom:1px solid var(--line);color:#c3d0cd;white-space:nowrap}
.heat td.c{text-align:center}
.heat .cell{display:inline-block;width:18px;height:12px;border-radius:2px;background:var(--st0)}
.heat .cell.s1{background:var(--st1)} .heat .cell.s2{background:var(--st2)} .heat .cell.s3{background:var(--st3)} .heat .cell.s4{background:var(--st4)}
.heat td.num{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.stage a{color:var(--accent)}
.stage .empty{padding:0}

/* ---- shell v2 : top bar + icon rail (from the Agent OS web screens) ---- */
.os{display:block;height:auto}
.shell{display:grid;grid-template-columns:56px minmax(0,1fr);min-height:100vh}
.rail{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 0;position:sticky;top:0;height:100vh}
.rail a,.rail button{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;color:var(--dim);font-size:15px;text-decoration:none;border:1px solid transparent}
.rail a:hover,.rail button:hover{color:var(--accent);border-color:var(--line2)}
.rail a.cur{color:var(--accent);background:var(--panel2);border-color:var(--line2)}
.rail .sp{flex:1}
.rail .me{width:30px;height:30px;border-radius:50%;background:var(--panel2);border:1px solid var(--line2);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:12px;color:var(--accent)}
.topbar{display:flex;align-items:center;gap:22px;padding:14px 26px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.topbar .brand{font-size:18px;letter-spacing:.02em;padding-bottom:12px}
.topbar .brand .hex{font-size:13px}
.topbar .who{padding-bottom:12px;margin:0;letter-spacing:.12em;text-transform:uppercase;font-size:10px}
.tabs{display:flex;gap:4px;margin-left:8px}
.tabs a{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);text-decoration:none;padding:12px 14px 13px;border-bottom:2px solid transparent}
.tabs a:hover{color:var(--ink)}
.tabs a.cur{color:var(--accent);border-bottom-color:var(--accent)}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:8px;padding-bottom:12px}
.topbar .seg{width:auto}
.topbar .seg button{padding:5px 10px}
.page{padding:22px 26px 40px;min-width:0}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;margin:-6px 0 16px;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.crumbs a{color:var(--dim);text-decoration:none;border-bottom:1px solid transparent}.crumbs a:hover{color:var(--ink);border-bottom-color:var(--line2)}
.crumbs .sep{color:var(--faint)}.crumbs .cur{color:var(--accent)}
.crumbs .back{margin-left:auto;color:var(--ink);border:1px solid var(--line2);border-radius:6px;padding:4px 10px}.crumbs .back:hover{border-color:var(--accent);color:var(--accent)}
.page .flash{max-width:70ch}
.two{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px}
@media (max-width:1024px){.two{grid-template-columns:1fr}}
.three{display:grid;grid-template-columns:260px minmax(0,1fr) 340px;gap:22px}
@media (max-width:1180px){.three{grid-template-columns:minmax(0,1fr) 320px}.three>.side{display:none}}
@media (max-width:900px){.three{grid-template-columns:1fr}}
.pane{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:0 0 10px}
.pane .head{padding:14px 18px 10px}
.pane .stepbar .app{padding:7px 18px}
.pane .how{padding:0 18px 6px}
.pane .nodes,.pane .big,.pane .legend,.pane .traj{}
.pane .traj{padding:0 0 4px}
/* brain page */
.brainwrap{position:relative;height:calc(100vh - 118px);min-height:520px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#05080a}
.brainwrap canvas{display:block;cursor:grab}
.brainwrap canvas.drag{cursor:grabbing}
.bhead{position:absolute;top:16px;left:20px;z-index:5;pointer-events:none}
.bhead .t{font-family:var(--display);font-weight:800;font-size:17px;display:flex;align-items:center;gap:8px}
.bhead .t b{color:var(--accent)}
.bhead .t .l{font-weight:600;color:var(--dim);letter-spacing:.16em;font-size:12px}
.bhead .s{font-size:10px;color:var(--faint);margin-top:4px;letter-spacing:.05em}
.bgo{position:absolute;top:16px;right:20px;z-index:6}
.ctl{position:absolute;top:62px;right:20px;z-index:6;width:236px;background:#0b1013e6;border:1px solid var(--line);border-radius:11px;padding:13px;backdrop-filter:blur(8px)}
.ctl input[type=search]{margin-bottom:12px}
.ctl h4{font-size:9px;letter-spacing:.15em;color:var(--faint);margin:0 0 6px;font-weight:500;text-transform:uppercase}
.ctl .seg{margin-bottom:12px}
.legend2{display:flex;flex-direction:column;gap:5px}
.legend2 label{display:flex;align-items:center;gap:8px;font-size:10.5px;color:var(--dim);cursor:pointer;margin:0;text-transform:none;letter-spacing:0}
.legend2 i{width:8px;height:8px;border-radius:50%;flex:none}
.legend2 input{accent-color:var(--accent);margin:0;width:auto}
.ctl .hint{font-size:9.5px;color:var(--faint);margin-top:11px;line-height:1.55;border-top:1px solid var(--line);padding-top:9px}
.detail{position:absolute;top:0;right:0;bottom:0;width:min(520px,42%);z-index:8;background:#0b1013f2;border-left:1px solid var(--line2);display:flex;flex-direction:column;transform:translateX(102%);transition:transform .22s ease}
.detail.on{transform:none}
.detail .hd{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;gap:10px}
.detail .hd .nm{font-family:var(--display);font-weight:700;font-size:16px;word-break:break-word}
.detail .hd .pa{font-size:10px;color:var(--faint);margin-top:3px}
.detail .hd .x{margin-left:auto;font-size:17px;color:var(--dim);flex:none;line-height:1}
.detail .hd .x:hover{color:var(--accent)}
.conns{padding:11px 18px;border-bottom:1px solid var(--line);max-height:24vh;overflow-y:auto}
.conns h5{font-size:9px;letter-spacing:.15em;color:var(--faint);margin:0 0 7px;font-weight:500;text-transform:uppercase}
.conns a{display:flex;gap:8px;align-items:center;padding:3px 0;font-size:11.5px;color:var(--ink);text-decoration:none;cursor:pointer}
.conns a:hover{color:var(--accent)}
.conns a i{width:6px;height:6px;border-radius:50%;flex:none}
.conns a em{margin-left:auto;font-style:normal;font-size:9px;color:var(--faint);letter-spacing:.07em}
.detail .body{flex:1;overflow-y:auto;padding:15px 18px 40px;font-size:12.5px;line-height:1.65;color:#c3d0cd}
.detail .body h4{font-size:9.5px;letter-spacing:.13em;color:var(--faint);text-transform:uppercase;margin:14px 0 6px}
.detail .body .ev{display:grid;grid-template-columns:48px 1fr;gap:8px;padding:4px 0;border-bottom:1px dashed var(--line);font-size:11.5px}
.detail .body .ev time{color:var(--faint);font-size:10px}
.detail .kv{margin-bottom:8px}
.bstats{position:absolute;left:20px;bottom:16px;z-index:5;font-size:10px;color:var(--faint);letter-spacing:.05em;line-height:1.7;pointer-events:none}
@media (max-width:820px){.ctl{display:none}.detail{width:100%}}

/* ---- home : orbit ---- */
.home .stagec{display:flex;flex-direction:column;align-items:center;min-width:0}
.home .big-brand{font-size:27px;margin-top:6px}
.home .who{text-align:center;margin:6px 0 4px}
.orbit{width:100%;height:calc(100vh - 230px);min-height:460px;display:flex;flex-direction:column}
.orbit-stage{position:relative;flex:1;min-height:0}
.orbit-foot{flex:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 8px 0;border-top:1px solid var(--line);margin-top:6px}
#viz{position:absolute;inset:0;width:100%;height:100%}
.ring{position:absolute;left:50%;top:50%;width:0;height:0}
.ring .node{position:absolute;border-radius:50%;border:1px solid var(--line2);background:rgba(5,7,7,.6);display:grid;place-items:center;cursor:pointer;transition:border-color .15s,transform .15s;text-decoration:none;color:inherit}
.ring .node:hover{transform:scale(1.14);z-index:5;opacity:1!important}
.ring .node .g{font-size:15px;line-height:1}
.ring .node .age{position:absolute;bottom:-2px;right:-4px;font-size:7.5px;color:var(--faint);background:var(--bg);padding:0 3px;border-radius:2px;font-variant-numeric:tabular-nums}
.ring .node .lbl{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:7px;font-size:9px;letter-spacing:.08em;color:var(--dim);white-space:nowrap}
.orbit-foot .legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:9px;color:var(--faint);letter-spacing:.08em;padding:0}
.orbit-foot .legend i{width:6px;height:6px;border-radius:50%;margin-right:5px;display:inline-block}
.orbit-foot .hint{font-size:9px;color:var(--faint);max-width:46%;text-align:right;line-height:1.4}
.clock{display:flex;gap:14px;padding:2px 18px 0;align-items:center}
.dial{width:56px;height:56px;flex:none}
.now{font-family:var(--display);font-weight:800;font-size:29px;color:var(--accent);letter-spacing:-.01em;line-height:1;font-variant-numeric:tabular-nums}
.wk{font-size:10px;color:var(--dim);letter-spacing:.05em;margin-bottom:5px}
.tz{font-size:9.5px;color:var(--faint);letter-spacing:.16em;margin-top:5px}
.upnext{padding:14px 18px 4px}
.upnext .r{display:flex;gap:10px;font-size:11px;color:var(--dim);padding:4px 0;line-height:1.45}
.upnext .r b{color:var(--warn);font-weight:500}

/* ---- professor cockpit : evolution chart ---- */
.orbit-sm{height:440px;min-height:380px}
.evo{width:100%;margin-top:16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:0 0 12px}
.evo .head{padding:14px 18px 8px}
.filters{display:flex;flex-wrap:wrap;gap:10px 14px;padding:0 18px 10px;align-items:end}
.filters label{margin:0;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);display:flex;flex-direction:column;gap:4px}
.filters select{width:auto;min-width:130px;padding:6px 8px}
.filters .seg{width:auto}
.filters .seg button{padding:6px 12px}
.chart{position:relative;padding:0 10px}
.chart svg{display:block;width:100%;height:260px}
.chart .tip{position:absolute;background:#0b1013f2;border:1px solid var(--line2);border-radius:6px;padding:6px 10px;font-size:11px;color:var(--ink);pointer-events:none;min-width:120px}
.chart .tip b{display:block;color:var(--faint);font-weight:400;font-size:10px;margin-bottom:3px}
.chart .tip div{display:flex;align-items:center;gap:6px;padding:1px 0}
.chart .tip i{width:8px;height:8px;border-radius:50%;display:inline-block}
.chart .tip strong{font-variant-numeric:tabular-nums}
.evo-legend{flex-direction:row;flex-wrap:wrap;gap:6px 16px;padding:6px 18px 0}
.evo .tbl{margin:8px 18px 0}

/* ---- slides ---- */
.deck{display:block;background:#05080a;border:1px solid var(--line);border-radius:10px;overflow:hidden;container-type:inline-size}
.deck .slide{display:flex;min-height:420px}
.deck .slide .sl-text{flex:1 1 52%;min-width:0}
.deck .slide .sl-scene{flex:1 1 48%;min-width:0}
.deck .slide .sl-scene.wide{flex-basis:60%}
@container (max-width:820px){.deck .slide{flex-direction:column}.deck .slide .sl-scene{border-left:0;border-top:1px solid var(--line);min-height:300px}}
.sl-text{padding:24px 28px 26px}
.sl-text .sl-k{font-size:9.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.sl-text h2{font-family:var(--display);font-weight:700;font-size:25px;letter-spacing:-.02em;line-height:1.15;color:var(--ink);margin:0 0 6px;max-width:26ch}
.sl-sub{font-size:12.5px;color:var(--dim);margin:0 0 14px;max-width:60ch;line-height:1.5}
.sl-def{border-left:3px solid var(--accent);background:rgba(18,215,182,.07);padding:10px 14px;border-radius:0 8px 8px 0;margin:6px 0 14px;font-size:13.5px;line-height:1.55;color:#dfe9e6;max-width:60ch}
.sl-def>b{color:var(--accent);display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px}
.sl-lead{font-size:14px;line-height:1.6;color:#d6dedc;max-width:58ch;margin:0 0 12px}
.sl-pts{margin:0;padding-left:18px;font-size:14px;line-height:1.55;color:#d6dedc;max-width:56ch}
.sl-pts>li{margin:7px 0}
.sl-pts ul{margin:4px 0 0;padding-left:16px;font-size:12.5px;color:#aab8b5}
.sl-pts ul li{margin:3px 0}
.sl-stats{display:flex;gap:22px;flex-wrap:wrap;margin:12px 0}
.sl-stats .n{display:block;font-family:var(--display);font-weight:800;font-size:34px;letter-spacing:-.03em;color:var(--accent);line-height:1}
.sl-stats .l{display:block;font-size:11.5px;color:var(--dim);margin-top:4px;max-width:18ch;line-height:1.4}
.sl-tl{list-style:none;margin:8px 0 0;padding:0;border-left:1px solid var(--line2);max-width:60ch}
.sl-tl li{display:grid;grid-template-columns:64px 1fr;gap:10px;padding:5px 0 5px 14px;font-size:13px;line-height:1.45;color:#d6dedc;position:relative}
.sl-tl li::before{content:"";position:absolute;left:-4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.sl-tl .y{font-family:var(--mono);color:var(--accent);font-size:12px}
.sl-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:6px}
.sl-cols h4{margin:0 0 6px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.sl-cols ul{margin:0;padding-left:16px;font-size:12.5px;line-height:1.5;color:#d6dedc}
.sl-ask{margin-top:14px;padding:10px 14px;border:1px dashed var(--accent);border-radius:8px;font-size:13px;color:var(--ink);max-width:56ch}
.sl-ask::before{content:"?";display:inline-block;width:18px;height:18px;border-radius:50%;background:var(--accent);color:#000;text-align:center;font-weight:700;font-size:12px;line-height:18px;margin-right:8px}
.sl-src{margin-top:12px;font-size:10.5px;color:var(--faint)}
.sl-text pre{font-size:12px}
.sl-text .tbl{margin-top:8px}
.sl-text.section{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;background:radial-gradient(ellipse at 20% 50%,rgba(18,215,182,.10),transparent 60%)}
.sl-text.section h2{font-size:38px;max-width:20ch}
.sl-text.title h2{font-size:34px}
.sl-text.key{border-left:3px solid var(--accent)}
.sl-text.key .sl-lead{font-size:18px;color:var(--ink);max-width:40ch}
.sl-scene{position:relative;min-height:340px;border-left:1px solid var(--line);background:#070b0d;overflow:hidden}
.sl-scene canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.sl-labels{position:absolute;inset:0;pointer-events:none}
.sl-labels .lb{position:absolute;transform:translate(-50%,-50%);font-family:var(--mono);font-size:10.5px;color:#cfdad7;background:rgba(5,8,10,.72);padding:2px 6px;border-radius:4px;white-space:nowrap;border:1px solid rgba(255,255,255,.06)}
.sl-labels .lb.hot{color:#ffb38a;border-color:rgba(255,120,60,.5)}
.sl-labels .lb.ok{color:var(--accent);border-color:rgba(18,215,182,.4)}
.sl-labels .lb.big{font-size:13px;font-weight:600}
.sl-labels .hud{position:absolute;left:12px;top:10px;font-family:var(--mono);font-size:11px;color:#cfdad7;line-height:1.6;background:rgba(5,8,10,.55);padding:6px 10px;border-radius:6px}
.sl-labels .hud b{color:var(--accent);font-weight:600}
.sl-labels .hud .bad{color:#ff8a70}
.sl-labels .gauge{display:inline-block;width:90px;height:6px;background:#1c2523;border-radius:3px;vertical-align:middle;margin-left:6px;overflow:hidden}
.sl-labels .gauge i{display:block;height:100%;background:var(--accent)}
.sl-labels .gauge i.bad{background:#ff5f56}
.sl-cap{position:absolute;left:0;right:0;bottom:0;padding:8px 14px;font-size:11.5px;color:#aab8b5;background:linear-gradient(transparent,rgba(5,8,10,.9));pointer-events:none}
.deckbar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-top:1px solid var(--line);background:var(--panel)}
.deckbar .cnt{font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums;min-width:56px;text-align:center}
.deckbar .sp{flex:1}
.deck .notes{padding:10px 16px 12px;font-size:12.5px;line-height:1.6;color:#c3d0cd;border-top:1px dashed var(--line);max-height:180px;overflow:auto}
.deck .notes b{color:var(--accent);margin-right:6px}
.deck.full{position:fixed;inset:0;z-index:1000;border:0;border-radius:0;background:#000;display:flex;flex-direction:column;height:100vh;height:100dvh;width:100vw}
.deck.full .slide{flex:1 1 0;min-height:0;overflow:auto}                 /* the slide scrolls inside; the bar below never leaves the screen */
.deck.full .deckbar{flex:none}
.deck.full .sl-text{padding:5vh 4vw;overflow:auto}
.deck.full .sl-text h2{font-size:clamp(28px,3.6vw,48px);max-width:24ch}
.deck.full .sl-sub{font-size:clamp(13px,1.3vw,18px)}
.deck.full .sl-def,.deck.full .sl-lead,.deck.full .sl-pts{font-size:clamp(15px,1.55vw,22px);max-width:46ch}
.deck.full .sl-pts ul{font-size:clamp(13px,1.2vw,17px)}
.deck.full .sl-tl li,.deck.full .sl-cols ul{font-size:clamp(13px,1.3vw,18px)}
.deck.full .sl-stats .n{font-size:clamp(34px,4vw,60px)}
.deck.full .sl-text.section h2{font-size:clamp(40px,5.5vw,76px)}
.deck.full .sl-scene{min-height:38vh}
@container (min-width:821px){.deck.full .sl-scene{min-height:0}}
.deck.full .sl-labels .lb{font-size:clamp(11px,1vw,14px)}
.deck.full .sl-labels .hud{font-size:clamp(12px,1.05vw,15px)}
.deck.full .deckbar{order:3}.deck.full .notes{order:2;max-height:22vh;font-size:15px}
.simstage{position:relative;height:340px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#070b0d;margin:10px 0 14px}.simstage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.prof{border:1px dashed #b98bff;border-radius:8px;margin:8px 0 12px;background:rgba(185,139,255,.05);max-width:70ch}
.prof summary{cursor:pointer;padding:8px 12px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#b98bff}
.prof .pr{padding:6px 12px 8px;font-size:12.5px;line-height:1.55;color:#d6dedc;border-top:1px dashed rgba(185,139,255,.25)}.prof .pr b{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#b98bff;margin-bottom:2px}.prof .pr ol,.prof .pr ul{margin:4px 0 0;padding-left:18px}
.pr.small{color:#b98bff;margin:4px 0}
.hints{margin:8px 0 10px;font-size:12px;color:#aab8b5}.hints .btn{margin-right:8px}.hints ol{margin:6px 0 0;padding-left:18px;color:#d6dedc;line-height:1.5}
.sl-labels .sc-ctl{position:absolute;right:10px;top:10px;display:flex;gap:4px;pointer-events:auto}
.sl-labels .sc-ctl button{width:28px;height:28px;border-radius:6px;border:1px solid var(--line2);background:rgba(5,8,10,.75);color:#cfdad7;font-size:14px;cursor:pointer;line-height:1}
.sl-labels .sc-ctl button:hover{border-color:var(--accent);color:var(--accent)}.sl-labels .sc-ctl button.on{color:var(--accent);border-color:var(--accent)}
.deck.full .sl-labels .sc-ctl button{width:36px;height:36px;font-size:18px}
.orbit-xl{height:calc(100vh - 150px);min-height:620px}
.orbit-filters{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:8px 0 10px;font-size:11px;color:var(--dim)}
.orbit-filters label{display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.08em;font-size:9.5px}
.orbit-filters select,.orbit-filters input{font:inherit;font-size:11.5px;text-transform:none;letter-spacing:0;background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:6px;padding:5px 8px;min-width:150px}
.orbit-filters .hint{margin-left:auto;color:var(--accent);font-size:10.5px}
.orbit-centre{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;font-family:var(--mono)}
.orbit-centre b{display:block;font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.02em;color:var(--ink);text-shadow:0 0 18px #000,0 0 6px #000}.orbit-centre span{font-size:10.5px;color:var(--accent);letter-spacing:.1em;text-transform:uppercase}
.ring .node.dim{opacity:.18 !important;filter:grayscale(1)}
.sl-ex{margin:8px 0 0;max-width:60ch;font-size:13px;line-height:1.55;color:#d6dedc}
.sl-ex .pb,.example .pb{border-left:3px solid var(--warn);background:rgba(240,166,60,.07);padding:9px 13px;border-radius:0 8px 8px 0;margin-bottom:8px}
.sl-ex .pb>b,.sl-ex .res>b,.sl-ex .pit>b,.example .res>b,.example .pit>b{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px;color:var(--warn)}
.sl-ex .steps,.example .steps{margin:0 0 8px;padding-left:20px}.sl-ex .steps li,.example .steps li{margin:5px 0}.sl-ex .steps code,.example .steps code{display:block;margin-top:3px;font-size:12px;color:var(--accent);background:rgba(18,215,182,.06);padding:3px 8px;border-radius:4px;white-space:pre-wrap}
.sl-ex .res,.example .res{border:1px solid var(--accent);border-radius:8px;padding:8px 13px;margin:6px 0}.sl-ex .res>b,.example .res>b{color:var(--accent)}
.sl-ex .pit,.example .pit{border:1px dashed var(--bad);border-radius:8px;padding:8px 13px;margin:6px 0;color:#e8c9c2}.sl-ex .pit>b,.example .pit>b{color:var(--bad)}
.sl-ex .nxt{margin-top:8px;font-size:12px;color:var(--accent)}
.deck.full .sl-ex{font-size:clamp(14px,1.35vw,20px);max-width:56ch}.deck.full .sl-ex .steps code{font-size:clamp(12px,1.15vw,17px)}
.guide,.example{border:1px solid var(--line2);border-radius:8px;margin:8px 0 12px;max-width:70ch;background:var(--panel2)}
.guide summary,.example summary{cursor:pointer;padding:8px 12px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.example summary{color:var(--warn)}
.guide ol,.guide p,.example>div,.example>ol{margin:0 12px 10px;font-size:12.5px;line-height:1.55;color:#d6dedc}.guide ol{padding-left:18px}.guide li{margin:3px 0}.guide p.small{color:var(--dim)}
.review{border:1px solid var(--line2);border-radius:8px;margin:8px 0}.review summary{cursor:pointer;padding:9px 12px;font-size:12px;color:#d6dedc}.review summary .tag{margin-right:6px}
.rv-body{padding:4px 14px 12px;font-size:12.5px;line-height:1.55;color:#d6dedc}.rv-body>div{margin:8px 0}.rv-body b{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:3px}
.rv-a pre{white-space:pre-wrap;background:var(--panel2);padding:8px 10px;border-radius:6px;font-size:12px;max-height:260px;overflow:auto}.rv-v ul{margin:0;padding-left:18px}.rv-v li{margin:3px 0}.rv-body form.row{margin-top:10px;flex-wrap:wrap;gap:8px;align-items:center}
.tag.warn-t{color:var(--warn);border-color:var(--warn)}
.llm-verdict{border:1px solid var(--line2);border-radius:8px;padding:10px 13px;margin:8px 0;font-size:12.5px;line-height:1.55;color:#d6dedc;max-width:70ch}.llm-verdict ul{margin:6px 0;padding-left:18px}.llm-verdict li.met{color:var(--accent)}.llm-verdict li.miss{color:#e8c9c2}.llm-verdict .fbk{margin:6px 0}.llm-verdict .who{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.field textarea.code{font-family:var(--mono);font-size:12px;min-height:180px;white-space:pre}
.credit{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--dim);text-decoration:none;margin-right:10px}.credit b{color:var(--accent)}
.wsw select{font:inherit;font-size:11px;background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:6px;padding:4px 8px;margin-right:8px}
.chat .thread{border:1px solid var(--line);border-radius:10px;padding:12px;min-height:260px;max-height:55vh;overflow:auto;background:#05080a;margin:10px 0}
.chat .msg{max-width:78ch;margin:8px 0}.chat .msg .b{white-space:pre-wrap;font-size:13px;line-height:1.55;padding:9px 13px;border-radius:10px;background:var(--panel2);color:#d6dedc}
.chat .msg.user{margin-left:auto}.chat .msg.user .b{background:rgba(18,215,182,.10);border:1px solid rgba(18,215,182,.25)}
.chat .msg.off .b{border:1px dashed var(--warn)}.chat .meta{font-size:10px;color:var(--dim);margin:3px 6px;font-family:var(--mono)}
.chat .ask{display:flex;gap:8px;align-items:flex-end}.chat .ask textarea{flex:1;min-height:52px}
.credit-cell{white-space:nowrap}.credit-cell b{color:var(--accent);font-weight:600}.topup{display:inline-flex;gap:4px;margin-left:8px;vertical-align:middle}.topup input{width:58px;font:inherit;font-size:11px;background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:5px;padding:2px 6px}.topup .btn{padding:2px 8px}
.deckcard .box{width:34px;height:34px;border-radius:8px;border:1px solid var(--line2);display:inline-flex;align-items:center;justify-content:center;color:var(--accent)}

.foot{padding:10px 26px 18px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.auth .foot{margin-top:18px;padding:0;text-align:center}
/* budget */
.budget .kpis .big .u{font-size:16px;color:var(--dim)}
.budget .meter{height:6px;border-radius:3px;background:var(--panel2);border:1px solid var(--line);margin:10px 0 22px;overflow:hidden}.budget .meter i{display:block;height:100%;background:var(--accent);opacity:.85}
.budget .filters{gap:8px;margin:0 0 10px;flex-wrap:wrap}
.chart{margin:0}.chart svg{width:100%;height:160px;display:block;background:var(--panel2);border:1px solid var(--line);border-radius:8px}
.chart .bar{fill:var(--accent);opacity:.55}.chart .bar:hover{opacity:1}.chart .cum{stroke:var(--ink);stroke-width:1.5;vector-effect:non-scaling-stroke}
.chart figcaption{margin-top:6px}.chart .sw{display:inline-block;width:10px;height:10px;border-radius:2px;vertical-align:middle;margin-right:3px}.chart .sw.bar{background:var(--accent);opacity:.55}.chart .sw.cum{background:var(--ink);height:2px}
/* captions under the slide, following the voice */
.deck .cc{max-height:5.2em;overflow:auto;padding:10px 16px;border-top:1px solid var(--line);background:#070b0e;font-size:14px;line-height:1.6;color:var(--dim);scroll-behavior:smooth}
.deck .cc span{transition:color .15s}.deck .cc span.said{color:var(--ink)}.deck .cc span.now{color:var(--accent);font-weight:600}.deck .cc.paused span.now{color:var(--ink)}.deck .cc.done span{color:var(--ink)}
.deck:fullscreen .cc,.deck.full .cc{font-size:20px;max-height:6em}
.budget .kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px 22px;align-items:start}

/* ---- identity: Fold (app/static/brand) — the logo is an SVG with its own paths, no font needed ---- */
.brand .logo{display:block;height:26px;width:auto}
.topbar .brand .logo{height:22px}
.auth .brand .logo{height:30px}
.home .big-brand .logo,.big-brand .logo{height:40px}
.rail .mark{width:36px;height:36px;display:grid;place-items:center;border:0;margin-bottom:4px}.rail .mark img{width:20px;height:auto;display:block}
.rail .mark:hover{border-color:transparent}
.bhead .t .mark{width:14px;height:auto;vertical-align:-2px}

/* ---- phones: most students open the platform on a phone ---- */
@media (max-width:760px){
  html{-webkit-text-size-adjust:100%}
  .shell{grid-template-columns:minmax(0,1fr)}.shell>div{min-width:0;max-width:100vw}
  .rail{position:fixed;left:0;right:0;bottom:0;top:auto;height:auto;flex-direction:row;justify-content:space-around;align-items:center;gap:0;padding:6px 8px calc(6px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--line);background:var(--panel);z-index:60}
  .rail .sp,.rail .me,.rail .mark{display:none}
  .rail a,.rail button{width:40px;height:40px;font-size:17px}
  .topbar{padding:10px 16px 0;gap:8px 12px}
  .topbar .who{display:none}
  .topbar .brand{padding-bottom:8px}
  .topbar .right{padding-bottom:8px;gap:6px}
  .topbar .right form:last-child{display:none}            /* sign-out lives in the bottom bar */
  .tabs{order:5;flex-basis:100%;margin:0 -16px;padding:0 10px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .tabs::-webkit-scrollbar{display:none}
  .tabs a{padding:9px 9px 10px;font-size:10.5px;letter-spacing:.1em;white-space:nowrap}
  .page{padding:14px 16px calc(84px + env(safe-area-inset-bottom));overflow-x:hidden}
  .crumbs{font-size:9.5px;gap:3px 6px;margin:-2px 0 12px}
  .crumbs .back{margin-left:0;flex-basis:100%;width:max-content}
  .foot{padding:0 16px 96px;text-align:center}
  .sheet{padding:14px 14px 16px;border-radius:8px}
  .sheet p,.sheet ul,.sheet ol{font-size:13px}
  .two,.three{display:flex;flex-direction:column;gap:14px}
  .three>div{order:1}.three>.side{display:block;order:2}.three>aside:not(.side){order:3}
  .kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}
  .big .n{font-size:28px}
  .stage .grid{grid-template-columns:1fr}
  .stage .row input,.stage .row select{flex-basis:100%}
  input,select,textarea{font-size:16px}                     /* iOS zooms into smaller fields */
  .deck .slide{flex-direction:column;min-height:0}
  .deck .slide .sl-text,.deck .slide .sl-scene{flex-basis:auto}
  .deck .slide .sl-scene{min-height:240px}
  .deckbar{flex-wrap:wrap;gap:6px;padding:8px 10px}
  .deckbar .sp{flex-basis:100%;display:none}
  .deck .cc{font-size:15px;max-height:6.5em}
  /* Present mode on a phone: the bar with ← → ▶ CC stays pinned at the bottom, above the home indicator; slide and notes share what is left */
  .deck.full{height:100vh;height:100dvh}
  .deck.full .slide{flex:1 1 0;min-height:0;overflow:auto}
  .deck.full .sl-text{padding:16px 16px 12px}
  .deck.full .sl-text h2{font-size:24px}
  .deck.full .sl-text.section h2{font-size:32px}
  .deck.full .sl-scene{min-height:34vh;flex:none}
  .deck.full .notes{order:2;max-height:14vh;overflow:auto;font-size:13px}
  .deck.full .cc{order:2;max-height:4.6em;font-size:15px}
  .deck.full .deckbar{order:3;flex:none;position:sticky;bottom:0;z-index:2;background:var(--panel);border-top:1px solid var(--line2);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:6px}
  .deck.full .deckbar .btn{min-height:40px;padding:0 12px}
  .deck.full .deckbar .cnt{min-width:48px}
  .orbit,.orbit-xl,.orbit-sm{height:62vh;min-height:340px}
  .orbit-filters{gap:8px 12px}.orbit-filters .hint{margin-left:0;flex-basis:100%}
  .orbit-foot{flex-direction:column;align-items:flex-start;gap:6px}.orbit-foot .hint{max-width:none;text-align:left}
  .brainwrap{height:calc(100vh - 170px);min-height:380px}
  .chat .thread{max-height:50vh}
  .tbl table{min-width:520px}
  .budget .filters select{flex:1 1 40%}
}
@media (max-width:420px){.topbar .brand .logo{height:19px}.tabs a{padding:9px 7px 10px;font-size:10px}}
/* ---- the floating tutor ---- */
.ask-fab{position:fixed;right:18px;bottom:18px;z-index:1100;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:var(--accent);color:#06110f;border:0;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;box-shadow:0 6px 24px rgba(18,215,182,.28);cursor:pointer}
.ask-fab .ic{font-size:15px;line-height:1}.ask-fab:hover{filter:brightness(1.08)}
.ask-panel{position:fixed;right:18px;bottom:72px;z-index:1100;width:min(400px,calc(100vw - 36px));height:min(72vh,640px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line2);border-radius:12px;box-shadow:0 18px 60px rgba(0,0,0,.6);overflow:hidden}
.ask-panel header{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.ask-panel header .ttl{flex:1;min-width:0;font-size:12px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ask-panel header .ctx{color:var(--accent);font-size:10.5px;letter-spacing:.06em}
.ask-panel header select{max-width:46%;font-size:11px;padding:4px 6px}
.ask-panel header .btn{padding:4px 9px}
.ask-panel .scope{margin:0;padding:8px 12px;font-size:10.5px;color:var(--dim);border-bottom:1px dashed var(--line);line-height:1.45}
.ask-panel .thread{flex:1;min-height:0;overflow:auto;padding:10px 12px;background:#05080a}
.ask-panel .msg{max-width:100%;margin:8px 0}.ask-panel .msg .b{white-space:pre-wrap;font-size:13px;line-height:1.55;padding:9px 12px;border-radius:10px;background:var(--panel2);color:#d6dedc}
.ask-panel .msg.user .b{background:rgba(18,215,182,.10);border:1px solid rgba(18,215,182,.25)}.ask-panel .msg.off .b{border:1px dashed var(--warn)}.ask-panel .meta{font-size:10px;color:var(--dim);margin:3px 6px}
.ask-panel .ask{display:flex;gap:8px;align-items:flex-end;padding:10px 12px;border-top:1px solid var(--line)}.ask-panel .ask textarea{flex:1;min-height:44px;max-height:140px;resize:vertical}
.ask-panel footer{padding:6px 12px calc(6px + env(safe-area-inset-bottom));font-size:10px;color:var(--faint)}.ask-panel footer a{color:var(--dim)}
@media (max-width:760px){
  .ask-fab{right:14px;bottom:calc(66px + env(safe-area-inset-bottom));padding:11px 14px}
  .ask-fab .lb{display:none}
  .ask-panel{inset:0;width:auto;height:auto;border-radius:0;border:0;padding-top:env(safe-area-inset-top)}
  .ask-panel header{padding:10px 12px}.ask-panel header .btn{min-width:44px;min-height:40px;font-size:14px}
  .ask-panel footer{display:flex;align-items:center;gap:10px}.ask-panel footer .btn{margin-left:auto;min-height:36px}
  body.ask-open .ask-fab{display:none}
}

/* second-level tabs: Students · Directory / Courses · Core / Reviews · Workspaces · Analytics · Budget */
.subtabs{display:flex;gap:2px;padding:0 26px;border-bottom:1px solid var(--line);background:var(--panel);overflow-x:auto;scrollbar-width:none}
.subtabs::-webkit-scrollbar{display:none}
.subtabs a{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);text-decoration:none;padding:9px 12px 10px;border-bottom:2px solid transparent;white-space:nowrap}
.subtabs a:hover{color:var(--ink)}.subtabs a.cur{color:var(--accent);border-bottom-color:var(--accent)}
@media (max-width:760px){.subtabs{padding:0 8px}.subtabs a{padding:8px 10px 9px;font-size:10px}}
/* the skill as Markdown, inside the brain's detail panel */
.detail .md{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.detail .md h4{display:flex;align-items:center;gap:8px;margin:0 0 6px}.detail .md .acts{margin-left:auto;display:flex;gap:6px}.detail .md .acts .btn{padding:3px 8px;font-size:9.5px;text-decoration:none;text-transform:none;letter-spacing:.04em}
.detail .md pre{margin:0;max-height:300px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:11px;line-height:1.55;background:#05080a;border:1px solid var(--line);border-radius:7px;padding:10px 12px;color:#c3d0cd;user-select:all}