:root{
  --primary:#0084d6;--primary-2:#006daf;--primary-3:#eaf7ff;--cyan:#00b7c7;--amber:#ffb545;
  --navy:#05324d;--deep:#031e2e;--bg:#f5fbff;--card:#fff;--text:#17384b;--muted:#6f8492;
  --line:#d8edf8;--line-2:#c4e4f5;--ok:#13a866;--danger:#df4b3f;--shadow:0 18px 48px rgba(0,83,135,.10);--radius:22px
}
*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth}body{margin:0;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 8% 0,rgba(0,183,199,.10),transparent 27%),linear-gradient(180deg,#fbfdff 0,#eef8ff 100%);color:var(--text);font-family:Lato,"Segoe UI",Arial,sans-serif;font-weight:300;font-size:16px;line-height:1.48}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{appearance:none}label{display:block;font-weight:400;color:var(--navy);font-size:13px;margin:0 0 7px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--text);padding:12px 14px;outline:0;font-weight:300;min-width:0}textarea{min-height:112px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,132,214,.12)}
.topbar{position:sticky;top:0;z-index:100;background:linear-gradient(90deg,var(--primary),#059adf);min-height:70px;padding:10px clamp(14px,3vw,34px);display:flex;align-items:center;justify-content:space-between;box-shadow:0 12px 30px rgba(0,84,135,.20)}.brand{display:flex;align-items:center;gap:13px;color:#fff;min-width:0}.brand img{height:32px;width:auto;display:block}.brand span{font-size:16px;font-weight:400;letter-spacing:.01em;border-left:1px solid rgba(255,255,255,.38);padding-left:13px;white-space:nowrap}.nav{display:flex;align-items:center;gap:8px}.nav a{color:#fff;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.11);padding:10px 14px;border-radius:999px;font-weight:400;font-size:14px;line-height:1;backdrop-filter:blur(8px);transition:.18s}.nav a:hover,.nav a.active{background:#fff;color:var(--primary);transform:translateY(-1px)}.nav .site-link{background:rgba(255,181,69,.22);border-color:rgba(255,255,255,.35)}.nav .nav-pin{background:rgba(3,30,46,.20)}.nav-toggle{display:none;border:0;background:rgba(255,255,255,.16);border-radius:15px;width:46px;height:46px;padding:10px}.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}.page{width:100%;max-width:1240px;margin:0 auto;padding:26px clamp(14px,3vw,30px) 44px;flex:1}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.page-head h1{margin:0;color:var(--navy);font-size:clamp(23px,3vw,32px);font-weight:400;letter-spacing:-.03em}.page-head.compact{padding:2px 0}.panel,.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:20px;margin-bottom:20px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.panel-head h2,.section-title h2{margin:0;color:var(--navy);font-size:18px;font-weight:400;letter-spacing:-.015em}.badge,.mini{display:inline-flex;align-items:center;gap:5px}.badge{border-radius:999px;background:var(--primary-3);color:var(--primary);padding:6px 10px;font-weight:400;font-size:12px;border:1px solid #cfefff}.mini{font-size:12px;color:var(--muted);margin-top:4px;overflow-wrap:anywhere}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.btn{border:0;background:linear-gradient(135deg,var(--primary),#019ee5);color:#fff;border-radius:15px;padding:11px 16px;font-weight:400;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s;box-shadow:0 10px 20px rgba(0,132,214,.15);white-space:nowrap}.btn:hover{transform:translateY(-1px);filter:saturate(1.08)}.btn.small{font-size:13px;padding:8px 12px;border-radius:13px}.btn.big{font-size:17px;padding:14px 20px;border-radius:18px}.btn.outline{background:#fff;color:var(--primary);border:1px solid var(--line);box-shadow:none}.btn.soft,.btn.ghost{background:#edf9ff;color:var(--primary);border:1px solid #caeaf9;box-shadow:none}.btn.bad{background:linear-gradient(135deg,#df4b3f,#c63b31)}.fullbtn{width:100%}.actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.actions.center{justify-content:center}.actions.vertical{flex-direction:column;align-items:stretch}.inline{display:inline}.alert{border-radius:17px;padding:13px 16px;margin:0 0 16px;font-weight:400}.alert.ok{background:#e9fbf3;color:#126c4b;border:1px solid #a8e8cf}.alert.error{background:#fff0ef;color:#a93025;border:1px solid #ffc3bd}.empty{padding:20px;border:1px dashed var(--line-2);border-radius:18px;color:var(--muted);background:#fff}.site-footer{margin-top:auto;background:linear-gradient(90deg,var(--deep),#064263);color:#e8f7ff;display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;padding:18px;font-size:13px;border-top:4px solid rgba(0,183,199,.32)}.site-footer img{height:25px;width:auto}.site-footer span{font-weight:300}.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch;margin-bottom:22px;padding:0;border:0;background:transparent;box-shadow:none}.hero-card{position:relative;overflow:hidden;padding:28px;border-radius:28px;background:linear-gradient(135deg,#fff 0,#f4fbff 70%);border:1px solid var(--line);box-shadow:var(--shadow)}.hero-card:before{content:"";position:absolute;right:-60px;top:-60px;width:190px;height:190px;border-radius:50%;background:rgba(0,132,214,.10)}.hero-card:after{content:"";position:absolute;right:42px;bottom:26px;width:86px;height:8px;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan),var(--amber));opacity:.75}.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:400;text-transform:uppercase;letter-spacing:.08em;font-size:12px}.kicker:before{content:"";width:24px;height:2px;background:var(--amber);border-radius:99px}.hero h1{margin:10px 0 10px;color:var(--navy);font-weight:400;font-size:clamp(28px,4.2vw,46px);line-height:1.02;letter-spacing:-.045em}.hero p{margin:0;color:var(--muted);font-size:17px;max-width:620px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.hero-side{display:grid;gap:14px}.info-tile{padding:20px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;overflow:hidden}.info-tile strong{display:block;font-size:28px;font-weight:400;color:var(--primary);letter-spacing:-.04em}.info-tile span{color:var(--muted);font-size:14px}.info-tile:nth-child(2){border-top:4px solid var(--cyan)}.info-tile:nth-child(3){border-top:4px solid var(--amber)}.material-section{margin-top:16px}.section-title{display:flex;align-items:center;margin:18px 0 10px}.section-title h2{display:flex;align-items:center;gap:10px}.section-title h2:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:16px 0 0 var(--amber)}.category-panel{padding:17px}.materials-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.material-card{padding:14px;display:grid;gap:13px;min-height:100%;transition:.18s}.material-card:hover{transform:translateY(-2px)}.material-card h3{margin:0;color:var(--navy);font-size:16px;line-height:1.22;font-weight:400}.material-card p{margin:7px 0 0;color:var(--muted);font-size:14px;font-weight:300}.pdf-list{display:grid;gap:10px}.pdf-card{grid-template-columns:1fr auto;align-items:center;min-height:auto}.file-icon{border:0;width:auto;min-width:54px;height:42px;border-radius:14px;background:#edf9ff;color:var(--primary);font-weight:400;display:grid;place-items:center;box-shadow:inset 0 0 0 1px #cceafa;cursor:pointer;padding:0 12px}.file-icon.admin-file{width:72px;height:58px}.thumb{border:0;position:relative;width:100%;aspect-ratio:16/10;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,#eaf7ff,#fff7e5);display:grid;place-items:center;color:var(--primary);font-weight:400;cursor:pointer}.video-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#0b1e29}.video-thumb span{position:relative;z-index:2;background:rgba(255,255,255,.94);border-radius:999px;padding:9px 14px;box-shadow:0 8px 22px rgba(4,44,62,.12);font-size:20px}.viewer-open,.modal-open{overflow:hidden}.viewer{position:fixed;inset:0;background:rgba(3,24,36,.88);z-index:200;display:none;padding:10px}.viewer.show{display:block}.viewer-box{height:100%;background:#fff;border-radius:18px;display:flex;flex-direction:column;overflow:hidden}.viewer-head{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;background:linear-gradient(90deg,var(--primary),#059adf);color:#fff}.viewer-head strong{font-size:15px;font-weight:400}.viewer-head button,.modal-close{border:0;background:rgba(255,255,255,.18);color:#fff;border-radius:15px;width:50px;height:50px;font-size:32px;line-height:1;display:grid;place-items:center;cursor:pointer}.viewer-body{flex:1;background:#111}.viewer-body iframe,.viewer-body video{width:100%;height:100%;border:0;display:block;background:#111}.test-chooser.pro{display:grid;grid-template-columns:.95fr 1.05fr;gap:20px;padding:0;background:transparent;border:0;box-shadow:none}.test-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:20px;min-width:0}.test-card .panel-head{padding-bottom:12px;border-bottom:1px solid var(--line)}.choice-list{display:grid;gap:9px;max-height:58vh;overflow:auto;padding-right:4px}.choice{position:relative}.choice input,.variant-card input{position:absolute;opacity:0}.choice span{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 15px;border:1px solid var(--line);border-radius:17px;background:#fff;font-weight:300;color:var(--navy);cursor:pointer;transition:.16s}.choice b{font-weight:400}.choice small{color:var(--primary);font-weight:400;background:#edf9ff;border-radius:99px;padding:4px 8px}.choice input:checked+span{border-color:var(--primary);background:#f0f9ff;box-shadow:0 0 0 4px rgba(0,132,214,.10)}.variant-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.variant-card{position:relative}.variant-card span{min-height:118px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);border-radius:20px;background:#fff;padding:18px;cursor:pointer;transition:.16s;position:relative;overflow:hidden}.variant-card span:after{content:"";position:absolute;right:-22px;bottom:-22px;width:72px;height:72px;border-radius:50%;background:rgba(0,183,199,.10)}.variant-card strong{font-size:18px;color:var(--navy);font-weight:400}.variant-card em{font-style:normal;color:var(--muted);font-weight:300}.variant-card input:checked+span{border-color:var(--primary);background:#f0f9ff;box-shadow:0 0 0 4px rgba(0,132,214,.10)}.quiz-shell{max-width:920px;margin:0 auto}.quiz-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-weight:300;margin:4px 0 12px}.progress{height:8px;background:#e0eff8;border-radius:999px;overflow:hidden;margin-bottom:18px}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--cyan));border-radius:999px;transition:.3s width}.question-box{padding:24px}.question-no{color:var(--primary);font-weight:400;margin-bottom:8px}.question-text{font-size:clamp(21px,2.7vw,30px);line-height:1.18;font-weight:400;color:var(--navy);margin:0 0 22px}.answers{display:grid;gap:12px}.answer{border:1px solid var(--line);background:#fff;border-radius:18px;padding:15px;display:grid;grid-template-columns:38px 1fr;align-items:center;gap:12px;text-align:left;font-weight:300;transition:.16s;color:var(--text)}.answer-button{cursor:pointer;width:100%}.answer-button:hover{transform:translateX(3px);border-color:var(--primary);background:#f8fdff}.letter{width:38px;height:38px;border-radius:13px;background:#e8f5ff;display:grid;place-items:center;color:var(--primary);font-weight:400}.answer.good{border-color:#7bdab5;background:#eafbf3;animation:pop .35s}.answer.good .letter{background:var(--ok);color:#fff}.answer.wrong{border-color:#ffb0a9;background:#fff1f0;animation:shake .35s}.answer.wrong .letter{background:var(--danger);color:#fff}.correct-box{margin-top:16px;border-radius:17px;padding:14px 16px;font-weight:400}.correct-box.ok{background:#eafbf3;color:#126c4b}.correct-box.bad{background:#fff7e7;color:#8a5a00}.result{max-width:650px;margin:0 auto;text-align:center}.score{font-size:66px;font-weight:400;color:var(--navy);letter-spacing:-.07em;margin:8px 0}.stats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 18px;font-weight:400}.stat span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}@keyframes pop{50%{transform:scale(1.02)}}@keyframes shake{25%{transform:translateX(-4px)}50%{transform:translateX(4px)}75%{transform:translateX(-2px)}}.admin-layout{display:grid;gap:16px}.admin-menu{display:flex;gap:8px;background:#fff;border:1px solid var(--line);border-radius:21px;padding:8px;box-shadow:var(--shadow);overflow:auto}.admin-menu a{white-space:nowrap;padding:11px 14px;border-radius:15px;color:var(--muted);font-weight:400}.admin-menu a.active,.admin-menu a:hover{background:var(--primary);color:#fff}.admin-content{min-width:0}.table{width:100%;overflow:auto;border-radius:18px;border:1px solid var(--line)}table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;min-width:760px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-weight:300}th{background:#f1faff;color:var(--navy);font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:400}tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.secret{filter:blur(5px);transition:.16s;display:inline-block;letter-spacing:.12em;font-weight:400}.secret:hover{filter:none}.copybtn{border:1px solid var(--line);background:#fff;color:var(--primary);border-radius:999px;padding:5px 8px;font-size:12px;cursor:pointer}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .full,.question-form .full{grid-column:1/-1}.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.check{display:flex;align-items:center;gap:8px;font-size:14px;margin:0;color:var(--text);font-weight:300}.check input{width:auto}.hint{font-size:12px;color:var(--muted);margin-top:5px}.field-with-button{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}.modal{position:fixed;inset:0;background:rgba(3,24,36,.56);z-index:180;display:none;padding:16px;overflow:auto}.modal.show{display:grid;place-items:center}.modal-box{width:min(760px,100%);max-height:calc(100vh - 32px);overflow:auto;background:#fff;border-radius:24px;box-shadow:0 28px 70px rgba(0,38,60,.25);border:1px solid var(--line)}.modal-box.wide{width:min(980px,100%)}.modal-head{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:linear-gradient(90deg,var(--primary),#059adf);color:#fff;position:sticky;top:0;z-index:2}.modal-head h2{margin:0;font-size:20px;font-weight:400}.modal-box form{padding:18px}.question-form{display:grid;gap:14px}.answer-edit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-list{display:grid;gap:10px}.category-row{display:grid;grid-template-columns:1fr auto auto auto auto;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:18px;background:#fff}.category-row.add{grid-template-columns:1fr auto;background:#f7fcff}.filter-form{display:flex;gap:8px;align-items:center}.materials-admin{display:grid;gap:12px}.material-admin-card{display:grid;grid-template-columns:82px 1fr auto;gap:13px;align-items:start;padding:13px;border:1px solid var(--line);border-radius:20px;background:#fff}.material-admin-fields{display:grid;gap:8px}.login-page{min-height:100vh;background:radial-gradient(circle at 20% 0,rgba(0,183,199,.18),transparent 28%),linear-gradient(135deg,#0084d6,#03314b);display:grid;place-items:center;padding:18px}.login-shell{width:min(980px,100%);display:grid;grid-template-columns:.9fr 1fr;border-radius:30px;overflow:hidden;box-shadow:0 32px 90px rgba(0,26,45,.26);background:#fff}.login-panel{position:relative;background:linear-gradient(145deg,var(--primary),#055179);padding:30px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:430px}.login-panel:after{content:"";position:absolute;right:-55px;bottom:-55px;width:190px;height:190px;border:26px solid rgba(255,255,255,.10);border-radius:50%}.login-logo{width:132px;height:auto}.login-copy span{display:inline-flex;color:#dff6ff;text-transform:uppercase;letter-spacing:.09em;font-size:12px}.login-copy h1{font-weight:400;line-height:1.05;font-size:clamp(30px,4vw,44px);margin:12px 0 0;letter-spacing:-.04em}.login-site{align-self:flex-start;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:999px;padding:10px 14px;font-weight:300}.login-card{padding:38px;align-self:center}.login-card h2{margin:0 0 18px;color:var(--navy);font-size:28px;font-weight:400;letter-spacing:-.03em}.pin-input{text-align:center;font-size:28px;letter-spacing:.35em;font-weight:400;padding-left:calc(14px + .35em)}
@media (max-width:900px){.hero,.test-chooser.pro,.login-shell{grid-template-columns:1fr}.hero-side{grid-template-columns:repeat(3,1fr)}.grid,.materials-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.material-admin-card{grid-template-columns:1fr}.category-row{grid-template-columns:1fr}.filter-form{width:100%;flex-wrap:wrap}.filter-form select{flex:1;min-width:180px}.nav-toggle{display:block}.nav{position:fixed;top:70px;left:12px;right:12px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:0 24px 60px rgba(0,45,70,.22)}.nav-open .nav{display:flex}.nav a{color:var(--navy);background:#f4fbff;border-color:var(--line);padding:14px 16px;text-align:center}.nav .site-link{background:#fff7e5;color:#8b5c00}.nav .nav-pin{background:#eef7ff;color:var(--primary)}.brand span{font-size:15px}.admin-menu{position:sticky;top:80px;z-index:20}.choice-list{max-height:none}}
@media (max-width:620px){body{font-size:15px}.topbar{min-height:66px}.brand img{height:28px}.brand span{padding-left:10px}.page{padding:18px 12px 30px}.panel{padding:15px;border-radius:20px}.hero-card{padding:22px}.hero-side{grid-template-columns:1fr}.grid,.grid.two,.materials-grid,.variant-grid,.form-grid,.form-grid.two,.answer-edit-grid{grid-template-columns:1fr}.pdf-card{grid-template-columns:1fr;gap:10px}.pdf-card .btn{width:100%}.page-head{align-items:flex-start;flex-direction:column}.panel-head{align-items:flex-start;flex-direction:column}.actions{width:100%}.actions .btn{flex:1}.site-footer{padding:16px 12px;text-align:center;gap:8px}.site-footer span{width:100%}.question-box{padding:18px}.answer{grid-template-columns:34px 1fr;padding:13px}.letter{width:34px;height:34px}.quiz-top{gap:10px}.quiz-top .btn{white-space:nowrap}.modal{padding:10px}.modal-box{max-height:calc(100vh - 20px);border-radius:20px}.modal-head{min-height:72px}.modal-close{width:48px;height:48px}.login-page{padding:10px}.login-panel{min-height:300px;padding:24px}.login-card{padding:26px 22px}.login-logo{width:112px}.table{border:0}table{min-width:680px}.material-admin-card .actions.vertical{width:100%}.btn{white-space:normal}.field-with-button{grid-template-columns:1fr}}


/* v8 — ostatnie szlify */
body{font-weight:300}.brand span:after,.section-title h2:before,.kicker:before{display:none!important;content:none!important}.brand span{font-weight:300;letter-spacing:.015em}.topbar{background:#0084d6;box-shadow:0 12px 34px rgba(0,84,135,.18)}.nav a{font-weight:300}.btn{font-weight:300;border-radius:16px;box-shadow:0 10px 22px rgba(0,132,214,.14)}.btn:hover{box-shadow:0 14px 28px rgba(0,132,214,.20)}.page{padding-top:22px}.material-head-clean{margin-bottom:18px;padding:0 2px}.material-head-clean h1{font-weight:300;font-size:clamp(25px,3.2vw,36px)}.material-section{margin-top:14px}.section-title{margin:14px 0 10px}.section-title h2{font-weight:300}.panel,.card{box-shadow:0 18px 45px rgba(0,70,110,.08)}.category-panel{padding:18px}.pdf-card{grid-template-columns:minmax(0,1fr) auto;border-radius:20px}.material-card h3{font-weight:300}.material-card p{font-weight:300}.student-cell{min-width:220px}.student-cell strong{display:block;font-weight:400;color:var(--navy);line-height:1.25}.student-cell span{display:block;margin-top:4px;color:var(--muted);font-size:12px;overflow-wrap:anywhere;line-height:1.35}.site-footer{background:#05324d;border-top:0;color:#e8f7ff}.login-page{background:linear-gradient(135deg,#0084d6,#05324d)}.login-panel{background:#0084d6}.login-panel:after{display:none}.login-copy h1{font-weight:300}.login-copy span{font-weight:300}.login-card h2{font-weight:300}.login-site{font-weight:300}.admin-menu a{font-weight:300}.modal-head{background:#0084d6}.modal-close{font-size:34px;line-height:1}.page-head.compact h1,.page-head h1{font-weight:300}
@media (max-width:900px){.brand span{font-size:14px;white-space:normal;line-height:1.15}.nav{top:66px}.nav a{font-weight:300}.student-cell{min-width:180px}}
@media (max-width:620px){.material-head-clean{align-items:stretch}.material-head-clean .btn{width:100%}.pdf-card{grid-template-columns:1fr}.brand span{max-width:190px}.login-copy h1{font-size:30px}.login-shell{border-radius:24px}.login-panel{min-height:260px}}


/* PWA / instalacja */
@media (display-mode: standalone){
  .login-site{display:none}
}
.install-help-btn{
  position:fixed;
  top:calc(18px + env(safe-area-inset-top));
  right:calc(18px + env(safe-area-inset-right));
  z-index:50;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.42);
  border-radius:50%;
  background:rgba(255,255,255,.16);
  color:#fff;
  font-size:22px;
  font-weight:300;
  cursor:pointer;
  box-shadow:0 14px 34px rgba(0,83,135,.20);
  backdrop-filter:blur(14px);
}
.install-help-btn:hover{background:#fff;color:var(--primary)}
.install-help-modal{
  position:fixed;
  inset:0;
  z-index:300;
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(3,30,46,.46);
  backdrop-filter:blur(10px);
}
.install-help-modal[hidden]{display:none}
.install-help-box{
  position:relative;
  width:min(620px,100%);
  border-radius:28px;
  background:linear-gradient(180deg,#ffffff 0%,#f4fbff 100%);
  border:1px solid rgba(216,237,248,.9);
  box-shadow:0 30px 80px rgba(0,83,135,.22);
  padding:28px;
  color:var(--text);
}
.install-help-close{
  position:absolute;
  top:14px;
  right:14px;
  width:42px;
  height:42px;
  border:0;
  border-radius:14px;
  background:#eaf7ff;
  color:var(--primary);
  font-size:28px;
  line-height:1;
  cursor:pointer;
}
.install-help-logo{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:130px;
  height:54px;
  padding:10px 14px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--primary),#019ee5);
  margin-bottom:16px;
}
.install-help-logo img{height:30px;width:auto}
.install-help-box h2{
  margin:0 0 16px;
  font-size:30px;
  line-height:1.1;
  font-weight:300;
  color:var(--navy);
}
.install-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin:0 0 18px;
}
.install-tabs section{
  border:1px solid var(--line);
  border-radius:20px;
  background:#fff;
  padding:18px;
}
.install-tabs h3{
  margin:0 0 8px;
  color:var(--primary);
  font-weight:400;
  font-size:18px;
}
.install-tabs p{
  margin:0;
  color:var(--muted);
  line-height:1.55;
  font-weight:300;
}
@media(max-width:680px){
  .install-help-btn{top:14px;right:14px;width:40px;height:40px}
  .install-help-box{padding:22px;border-radius:24px}
  .install-tabs{grid-template-columns:1fr}
  .install-help-box h2{font-size:26px}
}