@font-face{font-family:Rubik;src:url(fonts/rubik-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Rubik;src:url(fonts/rubik-bold.woff2) format("woff2");font-weight:700;font-display:swap}
:root{--bg:#eef2fd;--card:#fff;--ink:#27304f;--soft:#5b6488;--line:#dde3f5;--blue:#5b7cfa;--blue2:#e6ecff;--sky:#dff0fb;--mint:#dff4ec;
--ok:#23875c;--okbg:#e2f5ec;--err:#5d47b8;--errbg:#efe9ff;--info:#2f5fa8;--infobg:#e5effc;--r:18px;--sh:0 6px 22px rgba(56,72,140,.10)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;font-family:Rubik,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.5;
background:radial-gradient(900px 500px at 90% -10%,#e7e1ff 0,transparent 60%),radial-gradient(800px 500px at 0% 10%,#dcf3f0 0,transparent 55%),var(--bg);overflow-x:hidden}
main{display:block;max-width:1180px;margin:0 auto;padding:0 18px;outline:none}
a{color:var(--blue)}
:focus-visible{outline:3px solid #6d83f2;outline-offset:2px;border-radius:8px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;right:10px;top:-60px;background:#fff;padding:8px 12px;border-radius:10px;z-index:10}.skip:focus{top:10px}
h1,h2{line-height:1.2;margin:.2em 0 .35em}
h1{font-size:clamp(1.5rem,4.5vw,2.2rem);font-weight:700}
h2{font-size:1.2rem;font-weight:700}
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 0 6px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.1rem}
.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#fff;box-shadow:var(--sh)}
.who{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border-radius:999px;padding:6px 12px;box-shadow:var(--sh);color:var(--ink);text-decoration:none;font-size:.95rem}
.link{background:none;border:0;padding:4px;color:var(--blue);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link.back{display:inline-block;text-decoration:none;margin:4px 0}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border-radius:14px;border:2px solid transparent;font:500 1.02rem Rubik,system-ui,sans-serif;cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .12s,background .12s;color:var(--ink);background:#fff}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(91,124,250,.32)}
.btn.primary:hover{background:#4b6cf0}
.btn.second{background:#e9e4ff;color:#3e2f8a;border-color:#d6ccff}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--soft)}
.btn.small{min-height:40px;padding:6px 14px;font-size:.95rem}
.btn.wide{width:100%}
.btn.big{min-height:64px;font-size:1.2rem;padding:12px 26px;border-radius:18px}
.btn.okb{background:var(--ok)!important;color:#fff!important;border-color:var(--ok)!important}
.btn.busy{position:relative;color:transparent!important}
.btn.busy:after{content:"";position:absolute;width:20px;height:20px;border:3px solid rgba(255,255,255,.7);border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}
.btn.second.busy:after,.btn.ghost.busy:after{border-color:#8b7fd6;border-top-color:transparent}
@keyframes spin{to{transform:rotate(360deg)}}
.btn.google{background:#fff;border-color:var(--line);color:#3c4043;font-weight:500}
.btn.google .soon{font-size:.78rem;background:#e9e4ff;color:#4c3aa0;border-radius:999px;padding:2px 9px}
/* hero */
.hero{position:relative;text-align:center;padding:34px 18px 30px;margin:8px 0 26px;border-radius:28px;background:linear-gradient(135deg,#ffffffd9,#f4f1ffd9);box-shadow:var(--sh);overflow:hidden}
.hero h1{font-size:clamp(2.2rem,8vw,3.6rem);margin:0;letter-spacing:-.5px;background:linear-gradient(90deg,#4b62e0,#7b5cd6 55%,#2c9a8a);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{margin:0;font-weight:700;color:#6a58c9;font-size:clamp(1rem,3.5vw,1.25rem)}
.lead{max-width:560px;margin:10px auto 22px;color:var(--soft);font-size:1.08rem}
.entries{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.entries .btn{min-width:220px}
.e-ico{font-size:1.5rem}
.floaty{position:absolute;inset:0;pointer-events:none}
.floaty span{position:absolute;font-size:28px;opacity:.5;animation:fl 7s ease-in-out infinite;animation-delay:calc(var(--i)*-.9s)}
.floaty span:nth-child(1){top:12%;right:6%}.floaty span:nth-child(2){top:62%;right:10%}.floaty span:nth-child(3){top:18%;left:7%}.floaty span:nth-child(4){top:66%;left:5%}
.floaty span:nth-child(5){top:6%;left:30%}.floaty span:nth-child(6){bottom:6%;right:32%}.floaty span:nth-child(7){top:40%;left:16%}.floaty span:nth-child(8){top:36%;right:22%}
@keyframes fl{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-12px) rotate(5deg)}}
@media (max-width:560px){.floaty span{font-size:20px;opacity:.32}.floaty span:nth-child(7),.floaty span:nth-child(8),.floaty span:nth-child(5){display:none}.entries .btn{width:100%;min-width:0}.hero{padding:26px 14px 22px}}
/* gallery */
.gallery{margin:0 0 26px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-auto-rows:1fr;gap:14px}
@media (max-width:640px){.cards{grid-template-columns:1fr}}
.lab{position:relative;display:flex;flex-direction:column;gap:12px;padding:12px 12px 16px;border-radius:var(--r);background:var(--card);text-decoration:none;color:var(--ink);box-shadow:var(--sh);border:2px solid transparent;transition:transform .15s,border-color .15s}
.lab:hover{transform:translateY(-2px);border-color:var(--tint)}
.lab-img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:14px;background:var(--tint)}
.lab-main{display:flex;gap:14px;align-items:flex-start;flex:1;padding:0 4px}
@media (prefers-reduced-motion:reduce){.lab,.lab:hover{transition:none;transform:none}}
.lab-ico{flex:none;display:grid;place-items:center;width:58px;height:58px;border-radius:16px;background:var(--tint);font-size:30px}
.lab-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.lab-title{font-weight:700;font-size:1.1rem;color:var(--ink)}
.lab-blurb{color:var(--soft);font-size:.95rem}
.lab-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.tag{display:inline-block;font-size:.8rem;font-weight:500;padding:2px 10px;border-radius:999px;background:var(--tint,#e6ecff);color:var(--ink,#334)}
.lab .tag{color:var(--ink);background:var(--tint)}
.lab .tag.soft,.tag.soft{background:#f2f4fb;color:var(--soft);margin-inline-start:8px;vertical-align:middle}
.lab-go{margin-inline-start:auto;align-self:center;font-size:1.3rem;color:#9aa3c7}
.privacy{font-size:.88rem;color:var(--soft);text-align:center;max-width:680px;margin:6px auto 18px}
/* pages, cards, forms */
.page{max-width:980px;margin:0 auto;padding:6px 0 10px}
.page.wide{max-width:1180px}
.card{background:var(--card);border-radius:22px;box-shadow:var(--sh);padding:22px;margin:0 0 16px}
.card.narrow{max-width:520px;margin:10px auto 16px}
.sub{color:var(--soft);margin:0 0 14px}
.hint{color:var(--soft);font-size:.92rem;margin:6px 0}
.form{display:flex;flex-direction:column;gap:8px}
label{font-weight:500;font-size:.98rem;margin-top:6px}
input,select,textarea{width:100%;font:400 1.05rem Rubik,system-ui,sans-serif;padding:12px 14px;border:2px solid var(--line);border-radius:12px;background:#fbfcff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:#8ea2fb;box-shadow:0 0 0 4px #e3e8ff}
input[dir=ltr]{text-align:left}
.code-in{font-size:2rem;text-align:center;letter-spacing:.35em;font-weight:700;direction:ltr;padding:12px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row.center{justify-content:center}
.row input{flex:1;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.grid2{grid-template-columns:1fr}}
.msg{margin:6px 0 0;padding:0;border-radius:12px;font-weight:500;min-height:0}
.msg.show{padding:10px 14px}
.msg.err{background:var(--errbg);color:var(--err);border:1px solid #d9cdfb}
.msg.ok{background:var(--okbg);color:var(--ok);border:1px solid #bfe6d2}
.msg.info{background:var(--infobg);color:var(--info)}
.soonline{background:#f4f1ff;color:#4c3aa0;border-radius:12px;padding:10px 14px;font-size:.95rem;margin:10px 0}
.or{display:flex;align-items:center;gap:10px;color:var(--soft);margin:8px 0}.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}
/* steps */
.steps{display:flex;gap:6px;list-style:none;padding:0;margin:0 0 14px;counter-reset:s}
.steps li{flex:1;text-align:center;font-size:.8rem;color:#98a0c0;padding-top:8px;border-top:5px solid #e3e7f5;border-radius:3px}
.steps li.done{border-color:#a9b7fb;color:var(--soft)}.steps li.now{border-color:var(--blue);color:var(--ink);font-weight:700}
.names{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:6px 0 12px}
.name{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:56px;padding:10px;border-radius:14px;border:2px solid var(--line);background:#fbfcff;font:500 1.08rem Rubik,system-ui,sans-serif;color:var(--ink);cursor:pointer}
.name:hover{border-color:#a9b7fb;background:#f3f5ff}
.name small{font-size:.75rem;color:var(--soft);font-weight:400}
.join summary{cursor:pointer;color:var(--blue);font-weight:500;padding:6px 0}
.join form{margin-top:6px}
.slots{display:flex;gap:12px;justify-content:center;margin:10px 0 14px}
.slot{display:grid;place-items:center;width:62px;height:62px;border-radius:16px;border:3px dashed #c9d1ee;font-size:30px;color:var(--blue);background:#fbfcff;transition:transform .15s}
.slot.on{border-style:solid;border-color:#a9b7fb;background:#eef1ff;transform:scale(1.04)}
.emogrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;max-width:444px;margin:0 auto 12px}
.emo{aspect-ratio:1;min-width:0;min-height:46px;padding:0;font-size:clamp(22px,6.4vw,30px);border-radius:14px;border:2px solid var(--line);background:#fff;cursor:pointer;transition:transform .1s,background .1s;line-height:1;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.emo:hover{background:#f1f3ff;transform:scale(1.05)}.emo:active{transform:scale(.94)}
.emo:disabled{opacity:.45;cursor:default;transform:none}
.yay{font-size:64px;text-align:center;animation:pop .6s ease-out}
@keyframes pop{0%{transform:scale(.3)}70%{transform:scale(1.15)}100%{transform:scale(1)}}
.card.narrow h1{text-align:center}.card.narrow .sub{text-align:center}
/* teacher */
.pagehead{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin:8px 0 14px}
.pagehead h1 .tag{font-size:.85rem;margin-inline-start:10px;vertical-align:middle}
.classes{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.klass{display:grid;grid-template-columns:1fr auto;grid-template-areas:"n c" "m g";gap:2px 10px;padding:14px 16px;border-radius:16px;background:#f6f8ff;border:2px solid var(--line);text-decoration:none;color:var(--ink)}
.klass:hover{border-color:#a9b7fb}
.klass.demo{background:#f7f3ff}
.k-name{grid-area:n;font-weight:700;font-size:1.08rem}.k-meta{grid-area:m;color:var(--soft);font-size:.9rem}
.k-code{grid-area:c;font-weight:700;letter-spacing:.12em;color:#4b62e0}.k-go{grid-area:g;justify-self:end;color:#9aa3c7}
.newclass .btn.primary{align-self:flex-start;margin-top:6px}
@media (max-width:560px){.newclass .btn.primary{align-self:stretch}}
.codebox{background:#fff;border-radius:20px;box-shadow:var(--sh);padding:12px 18px;text-align:center;min-width:240px}
.codelabel{display:block;color:var(--soft);font-size:.9rem}
.bigcode{display:block;font-size:clamp(2.6rem,10vw,3.6rem);font-weight:700;letter-spacing:.14em;color:#3f53cf;line-height:1.1;margin:2px 0 8px}
@media (max-width:560px){.codebox{width:100%}}
.addst summary,.settings summary{cursor:pointer;font-weight:700;font-size:1.05rem}
.addst[open] summary,.settings[open] summary{margin-bottom:10px}
.addst .btn.second{align-self:flex-start}
.tablehead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.tablewrap{overflow-x:auto;margin:8px 0;border:1px solid var(--line);border-radius:14px;max-width:100%}
table.grid{border-collapse:separate;border-spacing:0;width:100%;min-width:640px;font-size:.92rem}
.grid th,.grid td{padding:6px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle}
.grid thead th{background:#f4f6fe;font-weight:500;font-size:.85rem;color:var(--soft);position:sticky;top:0}
.grid thead th span{display:block}.th-ico{font-size:1.2rem}
.grid .sticky{position:sticky;right:0;background:#fff;z-index:1;text-align:right;min-width:120px}
.grid thead .sticky{background:#f4f6fe;z-index:2}
.sname{display:flex;align-items:center;gap:6px;width:100%;background:none;border:0;padding:6px;font:500 1rem Rubik,system-ui,sans-serif;color:var(--ink);cursor:pointer;text-align:right;border-radius:8px}
.sname:hover{background:#f3f5ff}
.flag{font-size:.8rem}.flag.new{font-size:.72rem;background:#efe9ff;color:#4c3aa0;border-radius:999px;padding:1px 7px}
.sname{flex-wrap:wrap}.sflags{display:inline-flex;gap:4px;flex-wrap:wrap}.flag.self{font-size:.68rem;background:#e8f6ef;color:#1d6b47;border-radius:999px;padding:1px 7px;white-space:nowrap;font-weight:400}
.cell{display:flex;flex-direction:column;gap:3px;align-items:stretch;width:100%;min-width:110px;padding:6px 8px;border-radius:10px;border:1px solid var(--line);background:#fbfcff;font:400 .85rem Rubik,system-ui,sans-serif;color:var(--ink);cursor:pointer}
.cell.has{background:var(--okbg);border-color:#bfe6d2}
.cell:hover{border-color:#a9b7fb}
.c-pct{position:relative;display:block;height:16px;border-radius:8px;background:#e8ebf7;overflow:hidden}
.c-pct i{position:absolute;inset:0 0 0 auto;background:#9fd8bd}
.c-pct b{position:relative;font-size:.75rem;line-height:16px}
.c-when{color:var(--soft);font-size:.75rem}
td.empty{color:#b6bdd8}
.lastc{color:var(--soft);white-space:nowrap}
dialog.dlg{border:0;border-radius:22px;padding:18px;max-width:min(560px,94vw);width:100%;box-shadow:0 20px 60px rgba(30,40,90,.3);color:var(--ink)}
dialog.dlg::backdrop{background:rgba(39,48,79,.35)}
.dlg-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.x{border:0;background:#f1f3fb;border-radius:10px;width:40px;height:40px;font-size:1.1rem;cursor:pointer;color:var(--soft)}
.drill ul{list-style:none;padding:0;margin:8px 0;display:flex;flex-direction:column;gap:8px;max-height:60vh;overflow:auto}
.drill li{border:1px solid var(--line);border-radius:12px;padding:10px}
.drill li.done{border-color:#bfe6d2;background:#f6fcf9}
.d-top{display:flex;gap:10px;flex-wrap:wrap;align-items:baseline}.d-top small{color:var(--soft);margin-inline-start:auto}
.drill dl{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:6px 0 0;font-size:.88rem}
.drill dt{color:var(--soft)}.drill dd{margin:0;word-break:break-word}
@media (max-width:420px){.card{padding:16px}main{padding:0 12px}.emogrid{gap:6px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.top,.entries,.floaty,.btn,.addst,.settings{display:none!important}body{background:#fff}.card{box-shadow:none}}

/* כניסה ממוקדת למעבדה אחת (#/join) */
.joinpage{padding-top:14px}
.joinhead{max-width:520px;margin:0 auto 10px;text-align:center}
.joinhead .lab-img{border-radius:22px;box-shadow:var(--sh);max-height:260px}
.joinhead .kicker{margin-top:10px;font-size:1rem;color:var(--ink,#3c45a3)}
.joincard{margin-top:0}
.joincard h1{overflow-wrap:anywhere}
/* קישורים ישירים בלוח המורה */
.dlinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:10px}
.dl{display:flex;flex-direction:column;gap:10px;justify-content:space-between;padding:12px;border-radius:16px;background:var(--tint,#eef2fd);min-width:0}
.dl-t{display:flex;align-items:center;gap:8px;color:var(--ink);min-width:0}.dl-t b{font-weight:600;overflow-wrap:anywhere}
.dl-ico{font-size:1.3rem}
.dl-btn{width:100%;background:#fff}
.dl-fallback{display:flex;flex-direction:column;gap:4px}.dl-fallback small{color:var(--soft)}
.dl-input{width:100%;min-width:0;font:400 .82rem/1.3 ui-monospace,monospace;padding:8px;border:2px solid var(--line);border-radius:10px;background:#fff;box-sizing:border-box}
.toast{position:fixed;left:50%;bottom:calc(var(--hc-res,60px) + 14px);transform:translate(-50%,20px);background:#27304f;color:#fff;padding:10px 18px;border-radius:14px;font-weight:500;box-shadow:0 8px 24px rgba(39,48,79,.25);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media print{.directs,.toast{display:none!important}}
.joincard h1:focus{outline:none}

/* קישור לגלובוס הניסויים */
.globe-row{margin:16px 0 0;position:relative;z-index:1;display:flex;justify-content:center}
.pagehead .globe-row{justify-content:flex-start;margin-top:10px}
.globe-link{display:inline-flex;align-items:center;gap:8px;max-width:100%;box-sizing:border-box;padding:8px 16px;min-height:42px;border-radius:999px;background:#fdf1e3;color:#7a4d1c;border:1.5px solid #f0d6b5;text-decoration:none;font-size:.98rem;line-height:1.35;text-align:start;box-shadow:0 2px 8px rgba(122,77,28,.08)}
.globe-link b{font-weight:700}
.globe-link .g-ico{font-size:1.25em;flex:none}
.globe-link .g-go{flex:none;opacity:.7;margin-inline-start:2px}
.globe-link:hover{background:#fbe7cf;border-color:#e8c393}
.globe-link:focus-visible{outline:3px solid #7a4d1c;outline-offset:2px}
@media (max-width:560px){.globe-link{font-size:.9rem;padding:7px 13px}}
@media print{.globe-row{display:none!important}}

/* skeleton loading (shape-matched bones, one synced shimmer; removed the moment real content renders) */
.sk{display:block;background-color:#e2e7f7;background-image:linear-gradient(90deg,transparent 0,rgba(255,255,255,.8) 50%,transparent 100%);background-size:60vw 100%;background-repeat:no-repeat;background-attachment:fixed;background-position:130vw 0;border-radius:7px;animation:sk-sweep 1.6s ease-in-out infinite}
@keyframes sk-sweep{0%{background-position:130vw 0}100%{background-position:-70vw 0}}
.sk-sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media (prefers-reduced-motion:reduce){.sk{animation:none;background-image:none}}
.skwrap .sk{max-width:100%}
.skwrap .pagehead .sk{background-color:#dbe1f4}
.sk-col{display:flex;flex-direction:column;gap:10px;flex:1 1 300px;min-width:0}
.sk-h1{border-radius:10px}
.sk-pill{border-radius:14px}
.sk-mid{margin-inline:auto}
.sk-h2{margin:2px 0 16px}
.card .skwrap>.sk+.sk,.skwrap .card>.sk+.sk{margin-top:12px}
.card .skwrap>.sk-gap{margin-top:22px}
.sk-field{border-radius:12px}
.sk-klass{pointer-events:none;min-height:5.3rem;align-content:center}.sk-klass .sk-a{grid-area:n}.sk-klass .sk-b{grid-area:c;justify-self:end}.sk-klass .sk-c{grid-area:m;margin-top:6px}
.codebox .sk+.sk{margin-top:8px}.sk-code{border-radius:10px}
.sk-table{border:1px solid var(--line);border-radius:14px;margin:12px 0 4px;overflow:hidden}
.sk-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 14px;border-bottom:1px solid var(--line)}.sk-row:last-child{border-bottom:0}