@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;600;800;900&display=swap');
:root{--o:#FF6B2C;--o2:#FF9F1C;--n:#0F2A44;--n2:#1E4468;--g:#16A34A;--g2:#22C55E;--bg:#FFF7ED;--card:#fff;--mut:#5B6B7C;--line:#F1D9C4;--r:18px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--n);font-family:Rubik,"Heebo",Arial,sans-serif;line-height:1.45}
body{min-height:100vh}
a{color:var(--n2)}
button,select,input{font:inherit}
:focus-visible{outline:3px solid var(--o);outline-offset:2px}
.top{display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--n);color:#fff;flex-wrap:wrap}
.top h1{margin:0;font-size:1.35rem;font-weight:800;display:flex;align-items:center;gap:8px}
.top .sp{flex:1}
.logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--o),var(--o2));display:grid;place-items:center;font-size:24px}
.btn{border:0;border-radius:14px;padding:12px 18px;font-weight:700;cursor:pointer;background:#fff;color:var(--n);box-shadow:0 2px 0 rgba(0,0,0,.12);display:inline-flex;align-items:center;gap:8px;justify-content:center;text-decoration:none}
.btn:hover{filter:brightness(.97)}
.btn:active{transform:translateY(1px)}
.btn.pri{background:linear-gradient(135deg,var(--o),var(--o2));color:#fff}
.btn.go{background:var(--g);color:#fff}
.btn.dark{background:var(--n2);color:#fff}
.btn.ghost{background:transparent;color:inherit;border:2px solid currentColor;box-shadow:none}
.btn.red{background:#DC2626;color:#fff}
.btn.big{font-size:1.25rem;padding:16px 26px;border-radius:18px}
.btn[disabled]{opacity:.45;cursor:default}
.wrap{max-width:1180px;margin:0 auto;padding:22px}
.card{background:var(--card);border-radius:var(--r);padding:20px;box-shadow:0 6px 24px rgba(15,42,68,.08);border:1px solid var(--line)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}
.hero h2{font-size:2.4rem;line-height:1.1;margin:.2em 0 .3em;font-weight:900}
.hero h2 span{color:var(--o)}
.lead{font-size:1.15rem;color:var(--mut);margin:0 0 14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}
.step{background:#fff;border-radius:16px;padding:16px;border:1px solid var(--line)}
.step b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--o);color:#fff;margin-bottom:6px}
.step p{margin:.3em 0 0;color:var(--mut)}
.form{display:grid;gap:14px}
.field label{display:block;font-weight:700;margin-bottom:6px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:90px;border:2px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;cursor:pointer;font-weight:600;color:var(--n)}
.seg button[aria-pressed=true]{border-color:var(--o);background:#FFF1E6;color:#B4420F}
.note{font-size:.95rem;color:var(--mut);background:#F0FDF4;border:1px solid #BBF7D0;border-radius:12px;padding:10px 12px}
.note.priv::before{content:"🔒 "}
.hide{display:none!important}
/* חדר */
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.code{font-weight:900;font-size:1.6rem;letter-spacing:.12em;background:var(--n);color:#fff;border-radius:12px;padding:4px 14px;direction:ltr}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 12px;background:#FFF1E6;color:#B4420F;font-weight:700}
.pill.live{background:#DCFCE7;color:#166534}
.tabs{display:flex;gap:6px;background:#F3E8DD;border-radius:14px;padding:4px}
.tabs button{border:0;background:transparent;padding:8px 14px;border-radius:10px;font-weight:700;cursor:pointer;color:var(--n)}
.tabs button[aria-selected=true]{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.qrgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:12px;padding:16px 18px}
.qr{background:#fff;border-radius:16px;border:2px solid var(--line);padding:10px;text-align:center;position:relative}
.qr svg{width:100%;height:auto;display:block}
.qr .n{font-weight:900;font-size:1.3rem;color:var(--n)}
.qr.on{border-color:var(--g2);background:#F0FDF4}
.qr .who{font-size:.85rem;color:var(--g);font-weight:700;min-height:1.2em}
.board{display:grid;grid-template-columns:1fr 330px;gap:18px;padding:18px}
.clock{display:flex;gap:16px;align-items:stretch;margin-bottom:16px;flex-wrap:wrap}
.clock .box{flex:1;min-width:160px;background:var(--n);color:#fff;border-radius:18px;padding:12px 18px}
.clock .box small{opacity:.75;font-weight:600}
.clock .box div{font-size:3rem;font-weight:900;line-height:1.05;direction:ltr;text-align:right}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.tile{background:#fff;border-radius:16px;border:2px solid var(--line);padding:10px 12px;text-align:center;transition:transform .2s}
.tile .nm{font-weight:700;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .c{font-size:3.2rem;font-weight:900;line-height:1;color:var(--o)}
.tile.bump{transform:scale(1.06)}
.tile.off{opacity:.55}
.lb{list-style:none;margin:0;padding:0}
.lb li{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;margin-bottom:8px;background:#fff;border:1px solid var(--line);font-weight:700}
.lb li .m{width:34px;text-align:center;font-size:1.3rem}
.lb li .nm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb li .c{font-size:1.5rem;font-weight:900;color:var(--o)}
.lb li:nth-child(1){background:#FEF3C7;border-color:#FCD34D}
.empty{color:var(--mut);text-align:center;padding:30px}
.overlay{position:fixed;inset:0;background:rgba(15,42,68,.88);color:#fff;display:grid;place-items:center;z-index:50;text-align:center}
.overlay .big{font-size:min(40vw,22rem);font-weight:900;line-height:1}
.overlay .sub{font-size:2rem;font-weight:700}
.pop{animation:pop .5s ease}
@keyframes pop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.1);opacity:1}100%{transform:scale(1)}}
dialog{border:0;border-radius:20px;padding:22px;max-width:520px;width:calc(100% - 30px);color:var(--n)}
dialog::backdrop{background:rgba(15,42,68,.5)}
footer{color:var(--mut);text-align:center;padding:18px;font-size:.9rem}
@media (max-width:900px){.hero,.board{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.hero h2{font-size:1.9rem}}
@media (max-width:520px){.wrap{padding:14px}.qrgrid{grid-template-columns:repeat(3,1fr);gap:8px;padding:10px}.qr{padding:6px}.qr .n{font-size:1rem}.clock .box div{font-size:2.3rem}.top h1{font-size:1.1rem}.bar{padding:10px 12px}}
/* תלמיד */
.st-head{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--n);color:#fff}
.st-head .num{font-size:1.5rem;font-weight:900}
.st-head .sp{flex:1}
.setup .setup-ill{width:100%;height:auto;display:block;border-radius:16px;margin:4px 0 6px}
.setup-steps{padding-inline-start:24px;margin:10px 0;font-size:1.08rem}
.setup-steps li{margin:8px 0}
.ex-seg button{min-width:44%;flex:1 1 44%;font-size:.98rem}
input[type=text]{width:100%;padding:12px 14px;border-radius:12px;border:2px solid var(--line);font-size:1.1rem;background:#fff;color:var(--n)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1}
.err{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B;border-radius:12px;padding:10px 12px;font-weight:600}
/* מסך מלא בזמן תרגול: קריא מ-3 מטר */
body.living{overflow:hidden}
body.living .st-head,body.living footer{display:none}
.livesec{position:fixed;inset:0;z-index:20;background:#0B1B2B;color:#fff;overflow:hidden}
.livesec video,.livesec canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.livesec video{filter:brightness(.55) saturate(.8)}
.livesec .guide{position:absolute;inset:16% 28% 6%;width:44%;height:78%;opacity:.7;transition:opacity .4s;pointer-events:none}
.livesec .guide.seen{opacity:0}
.hud{position:absolute;inset:0;display:flex;flex-direction:column;align-items:stretch;padding:max(10px,env(safe-area-inset-top)) 10px max(10px,env(safe-area-inset-bottom));gap:8px;pointer-events:none}
.hud button{pointer-events:auto}
.bigstatus{border-radius:22px;padding:.25em .4em;text-align:center;font-weight:900;font-size:clamp(2.1rem,11.5vw,6rem);line-height:1.1;background:#334155;color:#fff;box-shadow:0 6px 24px rgba(0,0,0,.35);transition:background .25s}
.bigstatus.ok{background:#16A34A}
.bigstatus.back,.bigstatus.none{background:#DC2626}
.bigstatus.closer,.bigstatus.center,.bigstatus.wait{background:#EA8A00}
.hud-state{text-align:center;font-weight:900;font-size:clamp(1.5rem,8vw,4rem);line-height:1.15;text-shadow:0 3px 12px rgba(0,0,0,.7);direction:rtl}
.hud-state.run{color:#FDE047}
.hud-state.end{color:#86EFAC}
.hud-mid{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:0}
.hud-mid .v{font-size:min(64vw,46vh);font-weight:900;line-height:.9;color:#fff;text-shadow:0 0 6px #000,0 8px 40px rgba(0,0,0,.6);-webkit-text-stroke:4px #0F2A44;paint-order:stroke fill;font-variant-numeric:tabular-nums;direction:ltr}
.hud-mid .v.bump{animation:bump .35s ease}
@keyframes bump{0%{transform:scale(1)}35%{transform:scale(1.18)}100%{transform:scale(1)}}
.hud-mid .l{font-size:clamp(1.6rem,9vw,4.5rem);font-weight:900;text-shadow:0 3px 12px rgba(0,0,0,.8)}
.hud-bot{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;padding-left:84px}
.hud-bot .btn{padding:10px 14px;font-size:1rem}
.hud-exit{position:absolute;bottom:max(14px,env(safe-area-inset-bottom));right:14px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.18);color:#fff;font-size:1.2rem;font-weight:900;cursor:pointer;z-index:3;display:none}
.plus{position:fixed;left:14px;bottom:14px;width:74px;height:74px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--o),var(--o2));color:#fff;font-size:1.6rem;font-weight:900;box-shadow:0 6px 18px rgba(255,107,44,.45);cursor:pointer;z-index:25}
.manual-live{background:linear-gradient(180deg,#0F2A44,#1E4468)}
.manual-live .manual-help{margin:0;text-align:center;font-size:1.2rem;opacity:.85}
.manual-live .hud-mid .v{color:#FF9F1C}
.plus.huge{position:static;width:100%;height:auto;border-radius:28px;font-size:clamp(3rem,16vw,6rem);padding:4vh 0;pointer-events:auto}
/* הבזק בכל חזרה */
.fx-flash{position:fixed;inset:0;z-index:30;pointer-events:none;opacity:0}
.fx-flash.on{animation:flash .45s ease-out}
@keyframes flash{0%{opacity:.75}100%{opacity:0}}
.fx-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:60;pointer-events:none}
/* חגיגת רצף / גביע */
.celeb{position:fixed;inset:0;z-index:55;display:grid;place-items:center;pointer-events:none;text-align:center}
.celeb>div{display:flex;flex-direction:column;align-items:center;animation:celeb 2.6s ease forwards}
.celeb b{font-size:min(50vw,34vh);line-height:1.05;margin-bottom:1vh;filter:drop-shadow(0 10px 30px rgba(0,0,0,.5))}
.celeb span{font-size:clamp(2.4rem,15vw,8rem);font-weight:900;color:#FDE047;-webkit-text-stroke:3px #7C2D12;paint-order:stroke fill;text-shadow:0 6px 24px rgba(0,0,0,.6);line-height:1.05}
@keyframes celeb{0%{transform:scale(.3) rotate(-12deg);opacity:0}10%{transform:scale(1.15) rotate(4deg);opacity:1}18%{transform:scale(1) rotate(0)}85%{opacity:1}100%{transform:scale(1.1) translateY(-6vh);opacity:0}}
/* דגשים בסוף סבב */
.tipsov{position:fixed;inset:0;z-index:58;background:linear-gradient(180deg,#0F2A44 0%,#1E4468 100%);color:#fff;overflow:auto;padding:max(14px,env(safe-area-inset-top)) 14px 20px}
.tips-in{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.tips-h{font-size:clamp(2rem,10vw,4.5rem);font-weight:900;text-align:center;line-height:1.1}
.tips-n{text-align:center;font-size:clamp(4rem,30vw,12rem);font-weight:900;line-height:1;color:#FF9F1C}
.tips-n small{display:block;font-size:clamp(1.3rem,7vw,3rem);color:#fff}
.tipsov h3{margin:6px 0 0;font-size:clamp(1.5rem,7.5vw,3rem);color:#FDE047}
.tipsov ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;counter-reset:t}
.tipsov li{background:rgba(255,255,255,.1);border:2px solid rgba(255,255,255,.18);border-radius:18px;padding:12px 14px 12px 14px;font-size:clamp(1.25rem,6.3vw,2.4rem);font-weight:700;line-height:1.3;display:flex;gap:10px;align-items:flex-start}
.tipsov li::before{counter-increment:t;content:counter(t);flex:none;width:1.5em;height:1.5em;border-radius:50%;background:#FF6B2C;display:grid;place-items:center;font-weight:900;font-size:.9em}
.tipsov .cheer{font-size:clamp(1.4rem,7vw,2.8rem);font-weight:900;text-align:center;color:#86EFAC;margin:8px 0}
.tipsov .btn.big{font-size:1.2rem}
body.student .overlay .big{font-size:min(85vw,60vh)}
body.student .overlay .sub{font-size:clamp(1.6rem,8vw,3.5rem);font-weight:900}
/* מורה: חגיגה קטנה למובילים */
.how-ill{width:100%;height:auto;display:block;margin:4px 0 18px}
.ex-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.ex-grid button{min-width:0}
.tile{position:relative}
.tile.fire{border-color:#F97316;box-shadow:0 0 0 4px rgba(249,115,22,.25);animation:tfire 1.2s ease}
.tile .badge{position:absolute;top:-12px;left:-8px;font-size:1.6rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
@keyframes tfire{0%{transform:scale(1)}20%{transform:scale(1.12)}40%{transform:scale(.98)}60%{transform:scale(1.05)}100%{transform:scale(1)}}
.lb li.lead .m{animation:crown 1s ease}
@keyframes crown{0%{transform:scale(.4) rotate(-30deg)}60%{transform:scale(1.5) rotate(10deg)}100%{transform:scale(1)}}
.toast{position:fixed;top:84px;left:50%;transform:translateX(-50%);z-index:45;background:linear-gradient(135deg,#F59E0B,#F97316);color:#fff;font-weight:900;font-size:1.6rem;padding:12px 26px;border-radius:999px;box-shadow:0 10px 30px rgba(249,115,22,.45);animation:toast 2.6s ease forwards;white-space:nowrap;max-width:94vw;overflow:hidden;text-overflow:ellipsis}
@keyframes toast{0%{opacity:0;transform:translate(-50%,-20px) scale(.8)}12%{opacity:1;transform:translate(-50%,0) scale(1.05)}20%{transform:translate(-50%,0) scale(1)}85%{opacity:1}100%{opacity:0;transform:translate(-50%,-10px)}}
.hud-mid .v,.hud-mid .l{transition:opacity .3s}
body.celebrating .hud-mid .v,body.celebrating .hud-mid .l{opacity:.35}