/* IntelliNotebook — Firebase-connected layer. Fresh/gamer, never grey. Uses the prototype's CSS variables. */
.fb-dot{width:8px;height:8px;border-radius:50%;background:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,.25);display:inline-block;flex:none;animation:fbPulse 1.6s infinite}
@keyframes fbPulse{50%{box-shadow:0 0 0 6px rgba(16,185,129,0)}}
.fb-live-chip{background:var(--ok-bg)!important;color:var(--ok)!important;border-color:transparent!important;gap:6px}
.fb-demo-badge{display:inline-block;margin-left:6px;font-size:9.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:2px 6px;border-radius:6px;background:var(--warn-bg);color:var(--warn);border:1px dashed currentColor;vertical-align:middle}
.grade-card .fb-demo-badge{position:absolute;top:6px;right:8px;background:rgba(255,255,255,.9);color:#92400e}
.fb-small{font-size:11.5px;display:flex;gap:6px;align-items:center}
.fb-small .ic{width:13px;height:13px}
.fb-av{width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;font-weight:800;font-size:11.5px;color:#fff;background:var(--grad-strong);flex:none;box-shadow:0 4px 12px -4px rgba(124,58,237,.6)}
.fb-av.sm{width:24px;height:24px;font-size:9.5px;margin-right:6px;vertical-align:middle}
.fb-av.big{width:64px;height:64px;font-size:22px}
/* top bar */
.fb-conn{gap:6px;font-weight:800}
.fb-user{display:flex;align-items:center;gap:8px}
.fb-uname{display:flex;flex-direction:column;line-height:1.1;text-align:right;white-space:nowrap;max-width:150px}.fb-uname b{overflow:hidden;text-overflow:ellipsis}
body[data-role] .proto-tag{display:none}
.fb-user .btn{white-space:nowrap}
.fb-uname b{font-size:12.5px}.fb-uname small{font-size:10.5px;color:var(--muted)}
body[data-role="student"] .nav a[data-route="panel"],body[data-role="student"] .nav a[data-route="asistente"],body[data-role="student"] .nav a[data-route="live"]{display:none}
body[data-role="family"] .nav,body[data-role="admin"] .nav{visibility:hidden}
body.fb-locked{overflow:hidden}
/* login */
.fb-login{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 10% 10%,rgba(34,211,238,.35),transparent 60%),radial-gradient(900px 600px at 90% 90%,rgba(236,72,153,.35),transparent 60%),linear-gradient(135deg,#0b1026,#1b1446 55%,#2a0f3d);overflow:auto}
[data-theme="light"] .fb-login{background:radial-gradient(1200px 600px at 10% 10%,rgba(34,211,238,.35),transparent 60%),radial-gradient(900px 600px at 90% 90%,rgba(236,72,153,.28),transparent 60%),linear-gradient(135deg,#eef9ff,#f3edff 55%,#ffeef7)}
.fb-login[hidden]{display:none}
.fb-login-art span{position:absolute;border-radius:50%;filter:blur(2px);opacity:.75;animation:fbFloat 9s ease-in-out infinite}
.fb-login-art .b1{width:120px;height:120px;left:8%;top:14%;background:conic-gradient(#22d3ee,#7c3aed,#22d3ee)}
.fb-login-art .b2{width:70px;height:70px;right:12%;top:18%;background:conic-gradient(#ec4899,#f59e0b,#ec4899);animation-delay:-3s}
.fb-login-art .b3{width:160px;height:160px;right:9%;bottom:8%;background:conic-gradient(#7c3aed,#ec4899,#7c3aed);opacity:.45;animation-delay:-6s}
@keyframes fbFloat{50%{transform:translateY(-18px) rotate(20deg)}}
@media (prefers-reduced-motion:reduce){.fb-login-art span,.fb-dot{animation:none}}
.fb-login-card{width:min(520px,100%);padding:26px 28px;display:flex;flex-direction:column;gap:12px;z-index:1}
.fb-login-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.fb-brand{display:flex;align-items:center;gap:10px}.fb-brand img{width:38px;height:38px}
.fb-brand b{font-size:18px;letter-spacing:-.02em}.fb-brand b span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fb-brand small{display:block;font-size:11px;color:var(--muted)}
.fb-langs button{padding:4px 8px;font-size:11px}
.fb-login-card h1{margin:6px 0 0;font-size:28px;letter-spacing:-.03em;line-height:1.1}
.fb-login-card p{margin:0}
.fb-google{justify-content:center;padding:11px;font-size:14px;background:#fff;color:#1f2937;border-color:#d7d3f0}
.fb-or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}.fb-or::before,.fb-or::after{content:"";flex:1;height:1px;background:var(--border-strong)}
.fb-form{display:grid;grid-template-columns:1fr 1fr auto;gap:8px}
.fb-form input,.fb-field input,.fb-field select,.fb-annot input,.fb-gb input,.fb-gb-tools select,.fb-lv-push select{background:var(--surface-solid);color:var(--text);border:1px solid var(--border-strong);border-radius:10px;padding:9px 11px;font:inherit;font-size:13px;min-width:0}
.fb-err{color:var(--danger);font-size:12.5px;min-height:1px;font-weight:700}
.fb-demo{border-radius:14px;padding:12px;background:var(--surface-2);border:1px dashed var(--border-strong);display:flex;flex-direction:column;gap:10px}
.fb-demo-h{display:flex;gap:8px;align-items:center;font-size:12px;font-weight:700;color:var(--muted)}
.fb-demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.fb-role{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;border:1px solid var(--border-strong);background:var(--surface-solid);text-align:left;transition:transform .15s,box-shadow .2s;color:var(--text)}
.fb-role:hover{transform:translateY(-2px);box-shadow:var(--glow-strong)}
.fb-role.busy{opacity:.6}
.fb-role .fb-rt{display:flex;flex-direction:column;line-height:1.15}.fb-role b{font-size:12.5px}.fb-role small{font-size:10.5px;color:var(--muted);font-weight:700}
.r-student .fb-av{background:linear-gradient(135deg,#0e7490,#0891b2)}.r-teacher .fb-av{background:linear-gradient(135deg,#6d28d9,#9333ea)}.r-family .fb-av{background:linear-gradient(135deg,#be185d,#db2777)}.r-admin .fb-av{background:linear-gradient(135deg,#b45309,#d97706)}
.fb-foot{display:flex;gap:8px;align-items:center;font-size:11.5px;color:var(--muted)}.fb-foot .ic{width:14px;height:14px;flex:none}
/* student notebook */
.fb-save{margin-left:8px;gap:6px;font-weight:800}
.fb-save[data-s="saved"]{background:var(--ok-bg);color:var(--ok);border-color:transparent}
.fb-save[data-s="saving"]{background:var(--accent-bg);color:var(--accent)}
.fb-save[data-s="error"]{background:var(--danger-bg);color:var(--danger)}
.fb-spin{width:11px;height:11px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:fbSpin .8s linear infinite;display:inline-block}
@keyframes fbSpin{to{transform:rotate(1turn)}}
.fb-mygrades{margin:12px 10px;padding:12px;display:flex;flex-direction:column;gap:8px}
.fb-mg-h{display:flex;align-items:center;justify-content:space-between;gap:6px}.fb-mg-h b{display:flex;gap:6px;align-items:center;font-size:13px}
.fb-mg{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;background:var(--surface-2)}
.fb-mg-score{min-width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:17px;color:#fff;background:var(--grad-strong);box-shadow:0 6px 16px -6px rgba(124,58,237,.7)}
.fb-mg-t{display:flex;flex-direction:column;min-width:0;flex:1}.fb-mg-t b{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.fb-mg-t small{font-size:11px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fb-mg .chip{padding:2px 6px;font-size:10.5px}
.fb-tnote{position:absolute;right:16px;top:118px;width:190px;z-index:6;display:flex;flex-wrap:wrap;gap:4px 6px;align-items:center;font-size:11.5px;padding:9px 11px;border-radius:4px 4px 14px 4px;background:#ede9fe;color:#2e1065;box-shadow:0 10px 18px -6px rgba(0,0,0,.35);transform:rotate(-2deg)}.fb-tnote b{color:#4c1d95}.fb-tnote span{flex-basis:100%}
.fb-tnote.static{position:static;margin-top:8px;width:auto;transform:none;box-shadow:none}
.fb-tnote .ic{width:14px;height:14px;flex:none}
.fb-cover-rules{position:absolute;right:24px;bottom:24px;max-width:380px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:12px;z-index:5}
.fb-cover-rules b{display:flex;gap:6px;align-items:center}.fb-cover-rules small{display:block;color:var(--muted);font-weight:700;margin-bottom:3px}
.fb-cover-rules .chip{margin:0 4px 4px 0}
#s-portada{position:relative}
/* live banner + side player (student) */
.fb-livebanner{position:fixed;top:70px;left:50%;transform:translateX(-50%);z-index:80;display:flex;align-items:center;gap:14px;padding:10px 12px 10px 14px;border-radius:18px;color:#fff;background:linear-gradient(120deg,#be185d,#6d28d9 60%,#0e7490);box-shadow:0 18px 40px -12px rgba(190,24,93,.65),0 0 0 2px rgba(255,255,255,.18) inset;animation:fbDrop .5s cubic-bezier(.2,1.4,.4,1)}
.fb-livebanner[hidden]{display:none}
@keyframes fbDrop{from{transform:translate(-50%,-30px);opacity:0}}
.fb-onair{display:inline-flex;align-items:center;gap:6px;font-weight:900;font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:5px 9px;border-radius:999px;background:#ef4444;color:#fff;flex:none}
.fb-onair .fb-dot{background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.fb-onair.off{background:#475569}
.fb-bt{display:flex;flex-direction:column;line-height:1.2}.fb-bt b{font-size:14px}.fb-bt small{font-size:11.5px;opacity:.92}
.fb-join{background:#fff!important;color:#6d28d9!important;font-size:14px;padding:10px 16px}
.fb-liveplay{position:fixed;right:18px;top:76px;bottom:18px;width:340px;z-index:70;padding:14px;display:flex;flex-direction:column;gap:12px}
.fb-liveplay[hidden]{display:none}
body[data-role="student"] #fbPlay:not([hidden])~* {}
.fb-pl-h{display:flex;align-items:center;gap:8px;justify-content:space-between}.fb-pl-title{font-size:12.5px;flex:1}
.fb-pl-wait,.fb-pl-rev,.fb-pl-end{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center}
.fb-pl-q{flex:1;display:flex;flex-direction:column;gap:10px}.fb-pl-q small{color:var(--muted);font-weight:800}.fb-pl-q p{font-size:16px;font-weight:800;margin:0;line-height:1.3}
.fb-pl-ans{display:grid;gap:8px}.fb-pl-ans button{display:flex;align-items:center;gap:10px;border:0;border-radius:14px;padding:13px 12px;color:#fff;font-weight:800;text-align:left;font-size:13.5px;box-shadow:0 6px 0 rgba(0,0,0,.25);transition:transform .1s}
.fb-pl-ans button:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.25)}
.fb-locked{display:flex;align-items:center;gap:10px;padding:14px;border-radius:14px;background:var(--accent-bg);color:var(--accent)}
.fb-locked svg{fill:currentColor}
.fb-big{font-size:48px}
.fb-pl-rev.ok b{color:var(--ok)}.fb-pl-rev.ko b{color:var(--pink-text)}
.fb-pl-me{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;border-top:1px solid var(--border);padding-top:10px}.fb-pl-me .chip{margin-left:auto}
.fb-mine{font-size:28px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* security modal */
.fb-modal-card{width:min(760px,94vw);max-height:88vh;overflow:auto}
.fb-sec{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:6px}
.fb-sec-ic{font-size:54px}.fb-sec.good h3{color:var(--ok);margin:0}.fb-sec.bad h3{color:var(--danger);margin:0}
.fb-sec pre{align-self:stretch;text-align:left;background:#0b1026;color:#a7f3d0;border-radius:12px;padding:12px;font-size:12px;white-space:pre-wrap}
/* teacher class tab */
.fb-tab .fb-dot{margin-left:6px}
.fb-class-head{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-bottom:4px}.fb-class-head .chip{margin-right:auto}
.fb-h3{display:flex;align-items:center;gap:8px;font-size:15px;margin:14px 0 10px}
.fb-roster{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.fb-st{padding:12px;display:flex;flex-direction:column;gap:6px}
.fb-st-h{display:flex;align-items:center;gap:8px}.fb-st-h b{font-size:13px;flex:1}
.fb-st small{font-size:11px;color:var(--muted)}
.fb-st-bar{height:6px;border-radius:6px;background:var(--surface-2);overflow:hidden}.fb-st-bar i{display:block;height:100%;background:var(--grad)}
.fb-gb-tools{display:flex;gap:10px;align-items:center;margin-bottom:8px}
.fb-gb-card{overflow:auto;max-height:420px}
.fb-gb td,.fb-gb th{white-space:nowrap}
.fb-gb input{width:70px;padding:6px 8px}.fb-gb .fb-in-fb{width:220px}
.fb-acts{display:flex;gap:6px}
.fb-sug{font-weight:800;color:var(--violet-text)}
.fb-row-published td:first-child{box-shadow:inset 3px 0 0 #10b981}.fb-row-draft td:first-child{box-shadow:inset 3px 0 0 #f59e0b}
.fb-nbv{display:flex;flex-direction:column;gap:10px}
.fb-nbv-h{display:flex;align-items:center;gap:10px}.fb-nbv-h>div{flex:1;display:flex;flex-direction:column}
.fb-cornell{display:grid;grid-template-columns:1fr 2fr;gap:8px}.fb-cornell .s{grid-column:1/-1}
.fb-cornell>div,.fb-refl{background:var(--surface-2);border-radius:12px;padding:10px;border:1px solid var(--border)}
.fb-cornell label,.fb-refl label{font-size:10.5px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:var(--violet-text)}
.fb-cornell p,.fb-refl p{margin:4px 0 0;white-space:pre-wrap;font-size:13px}
.fb-games{display:flex;gap:6px;flex-wrap:wrap}
.fb-annot{display:flex;gap:8px}.fb-annot input{flex:1}
/* teacher live board */
#s-live.fb-on #liveStage,#s-live.fb-on #liveCtrl,#s-live.fb-on .live-sim,#s-live.fb-on #liveView{display:none!important}
#s-live:not(.fb-on) #fbLive{display:none}
.fb-lmode button{display:inline-flex;gap:6px;align-items:center}
.fb-live{padding:4px 18px 18px;display:flex;flex-direction:column;gap:12px}
.fb-launch{max-width:640px;margin:10px auto;padding:22px;display:flex;flex-direction:column;gap:12px}
.fb-launch h2{margin:0;font-size:26px;letter-spacing:-.03em}.fb-launch p{margin:0}
.fb-field{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:800;color:var(--muted)}
.fb-launch-roster{display:flex;flex-wrap:wrap;gap:4px}
.fb-big-btn{justify-content:center;font-size:16px;padding:13px}
.fb-lv-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.fb-lv-h>b{font-size:16px}
.fb-lv-push{margin-left:auto;display:flex;gap:6px}
.fb-lv-body{display:grid;grid-template-columns:1fr 320px;gap:14px;align-items:start}
.fb-lv-body.lobby,.fb-lv-body.ended{grid-template-columns:1fr}
.fb-lobby{text-align:center}.fb-lobby h2{font-size:28px;margin:8px 0 4px;letter-spacing:-.03em}
.fb-lobby-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
.fb-lp{display:flex;align-items:center;gap:10px;padding:12px;border-radius:14px;background:var(--surface);border:1px dashed var(--border-strong);opacity:.6;transition:all .3s}
.fb-lp.in{opacity:1;border-style:solid;border-color:transparent;background:linear-gradient(var(--surface-solid),var(--surface-solid)) padding-box,var(--grad) border-box;transform:scale(1.02);box-shadow:var(--glow-strong)}
.fb-lp b{flex:1;text-align:left;font-size:13px}.fb-ok{color:var(--ok);font-weight:900}
.fb-q{display:flex;flex-direction:column;gap:12px}.fb-q h2{font-size:26px;margin:0;letter-spacing:-.02em;line-height:1.2}
.fb-q-top{display:flex;justify-content:space-between;color:var(--muted);font-weight:800}
.fb-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fb-dist{display:flex;gap:18px;justify-content:center;align-items:flex-end;min-height:130px}
.fb-board{padding:12px;display:flex;flex-direction:column;gap:6px}.fb-board>b{display:flex;gap:6px;align-items:center}
.fb-br{display:flex;align-items:center;gap:6px;padding:7px 8px;border-radius:10px;background:var(--surface-2);font-size:12.5px;transition:all .3s}
.fb-br.up{background:var(--ok-bg)}.fb-br b{flex:1}
.fb-rank{width:20px;font-weight:900;color:var(--violet-text)}.fb-pts{font-weight:900;min-width:44px;text-align:right}
.fb-lv-ctrl{display:flex;gap:8px;justify-content:flex-end}
.fb-podium{display:flex;justify-content:center;align-items:flex-end;gap:16px;margin-top:10px}
.fb-pod{display:flex;flex-direction:column;align-items:center;gap:6px;font-weight:800}
.fb-pod-b{width:150px;border-radius:14px 14px 0 0;display:grid;place-items:center;color:#fff;font-size:34px;font-weight:900;background:var(--grad-strong)}
.fb-pod.p1{order:2}.fb-pod.p1 .fb-pod-b{height:150px;background:linear-gradient(160deg,#f59e0b,#be185d)}
.fb-pod.p2{order:1}.fb-pod.p2 .fb-pod-b{height:110px}.fb-pod.p3{order:3}.fb-pod.p3 .fb-pod-b{height:80px;background:linear-gradient(160deg,#0e7490,#6d28d9)}
.fb-recorded{display:flex;align-items:center;gap:10px;padding:14px;max-width:720px;margin:10px auto 0;width:100%}.fb-recorded b{flex:1}
/* family/admin home */
.fb-home{position:fixed;left:0;right:0;top:58px;bottom:0;z-index:40;display:grid;place-items:start center;padding:30px;overflow:auto;background:var(--bg-base)}
.fb-home[hidden]{display:none}
.fb-home-card{width:min(720px,100%);padding:22px;display:flex;flex-direction:column;gap:10px}
.fb-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.fb-kpis div{padding:12px;border-radius:12px;background:var(--surface-2);text-align:center}.fb-kpis b{font-size:26px;display:block}
/* v7 — student activation & presence */
.fb-actbar{display:flex;align-items:center;gap:12px;padding:12px 14px;margin:6px 0 4px;flex-wrap:wrap}
.fb-act-ic{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-size:18px;background:linear-gradient(135deg,#f59e0b,#be185d);box-shadow:0 6px 16px -6px rgba(190,24,93,.7)}
.fb-act-t{display:flex;flex-direction:column;flex:1;min-width:220px}.fb-act-t b{font-size:14px}.fb-act-t small{font-size:11.5px;color:var(--muted)}
.fb-act-k{display:flex;flex-direction:column;align-items:center;font-size:10.5px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:0 6px}.fb-act-k b{font-size:18px;color:var(--text);letter-spacing:0}
.fb-actbtn{width:40px;height:22px;border-radius:999px;border:0;background:var(--border-strong);position:relative;flex:none;margin-left:auto;cursor:pointer;transition:background .2s}
.fb-actbtn span{position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.35);transition:transform .2s}
.fb-actbtn.on{background:linear-gradient(120deg,#059669,#0e7490)}.fb-actbtn.on span{transform:translateX(18px)}
.fb-actbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.fb-stat{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:800;padding:2px 8px;border-radius:999px;width:max-content}
.fb-stat i{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}
.fb-stat.st-joined{background:var(--ok-bg);color:var(--ok)}
.fb-stat.st-active-on{background:var(--accent-bg);color:var(--accent)}
.fb-stat.st-active-off{background:var(--violet-bg);color:var(--violet-text)}
.fb-stat.st-inactive-on{background:var(--warn-bg);color:var(--warn)}
.fb-stat.st-inactive-off{background:var(--surface-2);color:var(--muted)}
.fb-launch{max-width:860px}
.fb-launch-roster{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.fb-lr{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:12px;background:var(--surface-2)}.fb-lr b{font-size:12.5px;flex:1}
.fb-lp-t{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.fb-lp-t b{text-align:left}
.fb-lp.act{opacity:.9}
.fb-strip{display:flex;flex-wrap:wrap;gap:6px}
.fb-chipst{display:inline-flex;align-items:center;gap:4px;padding:3px 6px;border-radius:999px;background:var(--surface-2)}.fb-chipst .fb-actbtn{margin-left:4px}
.fb-livebanner.locked{background:linear-gradient(120deg,#475569,#4c1d95 70%,#334155);box-shadow:0 18px 40px -12px rgba(76,29,149,.6)}
.fb-lockmsg{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:13px;padding:9px 14px;border-radius:12px;background:rgba(255,255,255,.14);border:1px dashed rgba(255,255,255,.5)}
.fb-lockmsg .ic{width:16px;height:16px}

/* ===== i18n: 25 languages, on-demand files, searchable picker ===== */
/* Plus Jakarta Sans only ships Latin + Latin-ext: Greek/Cyrillic glyphs fall back per character to the system UI font. */
:root{--font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI","Noto Sans",Roboto,"Helvetica Neue",Arial,sans-serif}
.lang-menu{width:300px;max-height:min(70vh,520px);padding:10px;gap:6px}
.lang-menu .lm-h{font-size:12px;padding:0 4px}
.lang-menu .lm-q{width:100%;box-sizing:border-box;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:10px;padding:8px 10px;font:inherit;font-size:13px;outline:none}
.lang-menu .lm-q:focus{border-color:var(--violet-text);box-shadow:0 0 0 3px var(--violet-bg)}
.lang-menu .lm-list{display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0;flex:1;overscroll-behavior:contain;padding-right:2px}
.lang-menu .lm-list button{padding:6px 8px;align-items:center}
.lang-menu .lm-list button[hidden]{display:none}
.lang-menu .lc{min-width:42px;text-align:center;flex:none}
.lang-menu .ln{display:flex;flex-direction:column;min-width:0;line-height:1.2}
.lang-menu .ln b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang-menu .ln small{font-size:10.5px;font-weight:600;color:var(--text-2,var(--muted));white-space:nowrap}
.lang-menu .lm-mt{font-style:normal;font-weight:800;font-size:9.5px;padding:0 4px;border-radius:5px;background:var(--surface-2);border:1px solid var(--border)}
.lang-menu .lm-note{margin:2px 4px 0;font-size:10.5px;line-height:1.35;color:var(--text-2,var(--muted))}
#langBtn[data-mt="1"]::after{content:"MT";font-size:8.5px;font-weight:800;letter-spacing:.02em;padding:1px 4px;border-radius:5px;background:var(--violet-bg);color:var(--violet-text);margin-left:-2px}
.fb-langsel select{border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:999px;padding:5px 10px;font:inherit;font-size:12px;font-weight:700;max-width:190px}
.fb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* long words (fi/hu/de/el): wrap instead of clipping */
.fb-login-card,.fb-livebanner,.fb-actbar,.fb-lockmsg,.fb-mygrades,.fb-launch{overflow-wrap:anywhere;hyphens:auto}
.fb-actbtn,.fb-join,.fb-google,.fb-big-btn{white-space:normal;text-align:center;line-height:1.2}
#langCur{white-space:nowrap}
/* signed-in topbar: keep everything inside 1280px in every language (long fi/de/el labels) */
.nav a{white-space:nowrap}
.fb-uname{min-width:0}
@media (max-width:1700px){body[data-role] #fbConnT{display:none}body[data-role] .fb-conn{padding:5px 7px;gap:0}}
@media (max-width:1560px){body[data-role] .nav a:not([aria-current="page"])>span{display:none}body[data-role] .nav a{padding:7px 9px}body[data-role] .fb-uname b{max-width:130px}}
@media (max-width:1100px){body[data-role] .nav a>span{display:none}}

/* v12 entry: explicit modes, keyboard-accessible fixed links and responsive cards. */
.fb-entry-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:2px 0}
.fb-entry-choice{display:grid;grid-template-columns:24px 1fr;gap:6px 8px;padding:14px 12px;border:1px solid var(--border-strong);border-radius:14px;background:var(--surface-2);color:var(--text);text-decoration:none;line-height:1.35;align-content:start}
.fb-entry-choice>span{grid-row:1/3;font-size:23px;color:var(--accent)}.fb-entry-choice strong{font-size:14px;overflow-wrap:anywhere}.fb-entry-choice small{font-size:11.5px;color:var(--muted)}
.fb-entry-choice:hover,.fb-entry-choice.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--accent-bg)}
.fb-back-smart{color:var(--accent);font-weight:700;font-size:12px;text-decoration:underline;text-underline-offset:3px;align-self:flex-start}
.fb-entry[hidden]{display:none}.fb-user .fb-back-smart{max-width:130px;line-height:1.25}.fb-login{place-items:safe center}.fb-login-card{flex-shrink:0}
@media(max-width:600px){.fb-entry-choices{grid-template-columns:1fr}.fb-user .fb-back-smart{display:none}.fb-login{padding:18px}.fb-login-card{padding:20px}.fb-entry-choice{padding:10px 12px}}

/* Two-step public entry; school layout is contained only while an entry overlay is open. */
body.fb-locked>main,body.fb-locked>.topbar{visibility:hidden;overflow:hidden;max-width:100vw;min-width:0}
.fb-entry .fb-login-card{width:min(940px,100%);gap:16px}.fb-entry-roles{grid-template-columns:repeat(3,minmax(0,1fr))}.fb-entry-roles .fb-entry-choice{padding:22px 18px;min-height:130px}.fb-entry-roles strong{font-size:19px}.fb-entry-roles small{font-size:13px;line-height:1.6}
.fb-area-language{padding:24px;border-radius:20px;border:1px solid #22d3ee;color:#fff;background:linear-gradient(120deg,#164e63,#4c1d95 58%,#831843)}.fb-area-language h2{font-size:34px;margin:10px 0}.fb-area-language p{margin:0 0 14px;line-height:1.6;color:#f3e8ff}.fb-area-language .chip{background:#241743;color:#f5edff;border-color:#c4b5fd;white-space:normal}.fb-area-language .chip.active{background:#064e3b;color:#d1fae5;border-color:#6ee7b7}.fb-area-courses{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 20px}.fb-area-language .btn{margin-right:auto;display:inline-flex;text-decoration:none}.fb-area-language .fb-entry-teacher-note{font-size:12px;margin-top:12px;margin-bottom:0}
.fb-area-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.fb-area-soon{border:1px solid var(--border-strong);background:var(--surface-2);padding:14px;border-radius:14px}.fb-area-soon h3{font-size:14px;margin:0 0 10px;overflow-wrap:anywhere}.fb-area-soon .chip{white-space:normal}.fb-entry-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.fb-entry-info{border-left:3px solid var(--accent);background:var(--accent-bg);border-radius:12px;padding:18px;line-height:1.7}.fb-entry .btn[disabled]{opacity:.8;cursor:not-allowed}.fb-entry .btn:not(button){text-decoration:none;align-self:flex-start}.fb-brand{flex-shrink:0}.fb-brand b{white-space:nowrap}
@media(max-width:700px){.fb-entry-roles{grid-template-columns:1fr}.fb-entry-roles .fb-entry-choice{min-height:0;padding:16px}.fb-area-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.fb-area-language{padding:20px}.fb-area-language h2{font-size:28px}.fb-login-top{flex-wrap:wrap}.fb-langsel{margin-left:auto;max-width:100%}.fb-entry .fb-login-card{padding:20px}}