:root{--navy:#14213d;--navy2:#21345c;--purple:#6d4aff;--purple-soft:#eeeaff;--green:#16a36a;--green-soft:#e8f8f1;--amber:#d99100;--amber-soft:#fff4d6;--red:#d73c4d;--red-soft:#ffeaed;--ink:#16213a;--muted:#6f7890;--line:#e5e9f2;--bg:#f4f6fb;--white:#fff;--shadow:0 14px 36px rgba(20,33,61,.09);--radius:17px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(25px,3vw,38px);line-height:1.15;letter-spacing:-.035em;margin-bottom:8px}h2{font-size:20px;letter-spacing:-.02em}h3{font-size:14px;margin-bottom:10px}.muted{color:var(--muted)}.eyebrow{color:var(--purple);font-size:11px;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(135deg,#8a72ff,#5b35ec);font-weight:900}.brand b{display:block}.brand small{display:block;color:#9faccc;font-size:10px;margin-top:2px}.brand-large .brand-mark{width:50px;height:50px}.brand-large b{font-size:18px}.topbar{position:sticky;top:0;z-index:30;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:11px clamp(16px,4vw,48px);background:rgba(20,33,61,.98);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px)}.topbar-actions{display:flex;align-items:center;gap:12px}.user-chip{display:flex;align-items:center;gap:9px}.avatar{width:37px;height:37px;display:grid;place-items:center;border-radius:11px;background:#fff;color:var(--navy);font-weight:850;font-size:12px}.user-chip b{display:block;font-size:12px}.user-chip small{display:block;color:#aeb8d0;font-size:10px}.logout-form{margin:0}.icon-btn{width:38px;height:38px;border:1px solid rgba(255,255,255,.12);border-radius:11px;background:rgba(255,255,255,.07);color:#fff}.layout{width:min(1500px,100%);margin:auto;display:grid;grid-template-columns:235px minmax(0,1fr);gap:20px;padding:24px clamp(14px,3vw,36px) 46px}.sidebar{position:sticky;top:94px;align-self:start;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.sidebar a{display:flex;align-items:center;gap:10px;margin:2px 0;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:12px;font-weight:750}.sidebar a:hover,.sidebar a.active{color:var(--purple);background:var(--purple-soft)}.sidebar .nav-divider{height:1px;background:var(--line);margin:8px}.main{min-width:0}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:19px}.page-head p{margin-bottom:0}.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 14px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);font-size:12px;font-weight:800}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,33,61,.1)}.btn-primary{border-color:var(--purple);background:var(--purple);color:#fff}.btn-dark{border-color:var(--navy);background:var(--navy);color:#fff}.btn-danger{border-color:#f0b8bf;color:var(--red);background:#fff}.btn-small{min-height:32px;padding:5px 9px;font-size:10px;border-radius:8px}.btn-block{width:100%}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.card-pad{padding:20px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 19px;border-bottom:1px solid var(--line)}.card-head h2{margin:0;font-size:16px}.card-head p{margin:2px 0 0;color:var(--muted);font-size:10px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:17px}.stat{padding:17px;min-height:116px}.stat-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}.stat-icon{width:37px;height:37px;display:grid;place-items:center;border-radius:11px;background:var(--purple-soft);color:var(--purple);font-weight:900}.stat strong{display:block;margin:11px 0 2px;font-size:27px;line-height:1}.stat small{color:var(--muted)}.good{color:var(--green)!important}.warn{color:var(--amber)!important}.danger{color:var(--red)!important}.grid-2{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.65fr);gap:16px}.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.span-2{grid-column:1/-1}
.alert{padding:12px 14px;border:1px solid;border-radius:12px;margin-bottom:14px;font-size:12px;font-weight:650}.alert-success{color:#08764a;background:var(--green-soft);border-color:#bce8d5}.alert-error{color:#a32432;background:var(--red-soft);border-color:#f2bec4}.alert-warning{color:#795500;background:var(--amber-soft);border-color:#efd289}.flash-stack{margin-bottom:15px}
label{display:block;color:#525d75;font-size:11px;font-weight:750}label small{color:var(--muted);font-weight:500}input,select,textarea{width:100%;margin-top:5px;padding:10px 11px;border:1px solid #dce1eb;border-radius:10px;background:#fff;color:var(--ink);font-size:12px}textarea{min-height:112px;resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid rgba(109,74,255,.13);border-color:var(--purple)}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input{width:auto;margin:0}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.field-help{display:block;margin-top:5px;color:var(--muted);font-size:10px}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:11px;vertical-align:middle}th{background:#fafbfe;color:#6b758c;font-size:9px;letter-spacing:.06em;text-transform:uppercase}tbody tr:last-child td{border-bottom:0}.actions{display:flex;gap:6px;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border-radius:999px;font-size:9px;font-weight:850;white-space:nowrap}.pill-green{color:#08764a;background:var(--green-soft)}.pill-amber{color:#7c5900;background:var(--amber-soft)}.pill-red{color:#a32432;background:var(--red-soft)}.pill-gray{color:#667085;background:#eef1f6}.pill-purple{color:#5537d6;background:var(--purple-soft)}.empty{padding:38px 22px;text-align:center}.empty-icon{width:56px;height:56px;display:grid;place-items:center;margin:0 auto 13px;border-radius:18px;background:var(--purple-soft);color:var(--purple);font-size:23px}.empty p{color:var(--muted);font-size:12px}
.login-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 15% 15%,rgba(109,74,255,.18),transparent 28%),var(--navy)}.login-shell{width:min(940px,100%);display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;border-radius:24px;background:#fff;box-shadow:0 34px 100px rgba(0,0,0,.3)}.login-visual{padding:45px;color:#fff;background:linear-gradient(145deg,var(--navy),#273c6d)}.login-visual h1{margin-top:65px;font-size:38px}.login-visual p{color:#bdc6da}.secure-list{display:grid;gap:10px;margin-top:28px}.secure-item{display:flex;align-items:center;gap:10px;font-size:12px}.secure-item span{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:rgba(255,255,255,.1)}.login-card{padding:45px}.login-card h2{margin-top:8px}.login-card form{display:grid;gap:13px;margin-top:26px}.login-note{margin-top:18px;color:var(--muted);font-size:10px;text-align:center}
.install-body{min-height:100vh;background:var(--navy);padding:28px}.install-shell{width:min(1120px,100%);margin:auto;display:grid;grid-template-columns:.8fr 1.2fr;overflow:hidden;border-radius:24px;background:#fff;box-shadow:0 30px 90px rgba(0,0,0,.3)}.install-intro{padding:46px;color:#fff;background:linear-gradient(145deg,var(--navy),#263c6d)}.install-intro h1{margin-top:74px}.install-intro>p{color:#bdc6da}.requirement-list{display:grid;gap:8px;margin-top:28px}.requirement{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:rgba(255,255,255,.07);font-size:11px}.requirement span{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;font-weight:900}.requirement.ok span{background:var(--green)}.requirement.bad span{background:var(--red)}.install-card{padding:38px}.install-card form{display:grid;gap:12px}.install-card h3{margin:12px 0 0;padding-top:12px;border-top:1px solid var(--line)}.form-grid.two{display:grid;grid-template-columns:2fr 1fr;gap:10px}
.exam-shell{width:min(1450px,100%);margin:auto;padding:22px clamp(13px,3vw,34px) 38px}.exam-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.exam-meta{display:flex;align-items:center;gap:12px}.timer{min-width:116px;padding:8px 12px;border-radius:12px;background:var(--navy);color:#fff;text-align:center}.timer small{display:block;color:#aeb8d0;font-size:9px;text-transform:uppercase;letter-spacing:.08em}.timer strong{font-size:22px;font-variant-numeric:tabular-nums}.security-bar{display:grid;grid-template-columns:1.5fr repeat(2,.55fr);gap:10px;margin-bottom:14px}.security-cell{min-height:75px;display:flex;align-items:center;gap:11px;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:#fff}.security-cell.main{border-color:#dcd5ff;background:linear-gradient(135deg,#fff,#f5f2ff)}.security-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:var(--purple);color:#fff;font-weight:900}.security-cell b{display:block;font-size:12px}.security-cell small{display:block;color:var(--muted);font-size:9px}.exam-grid{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:15px}.exam-question{overflow:hidden}.exam-question-head{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}.exam-question-body{padding:clamp(20px,4vw,34px)}.question-text{font-size:17px;font-weight:650;line-height:1.7}.options{display:grid;gap:10px}.option{width:100%;display:grid;grid-template-columns:34px 1fr 20px;gap:11px;align-items:center;padding:11px 13px;border:1.5px solid var(--line);border-radius:12px;background:#fff;text-align:left}.option:hover,.option.selected{border-color:var(--purple);background:var(--purple-soft)}.option-letter{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;background:#eef1f6;font-size:11px;font-weight:850}.option.selected .option-letter{background:var(--purple);color:#fff}.option-check{opacity:0;color:var(--purple);font-weight:900}.option.selected .option-check{opacity:1}.exam-nav{padding:15px 18px;border-top:1px solid var(--line);background:#fafbfe;display:flex;justify-content:space-between;gap:8px}.exam-side{position:sticky;top:92px;align-self:start;padding:17px}.progress-head{display:flex;justify-content:space-between;font-size:11px;font-weight:750}.progress{height:8px;margin:8px 0 14px;overflow:hidden;border-radius:99px;background:#edf0f6}.progress i{display:block;height:100%;background:var(--purple)}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:14px}.number-grid button{aspect-ratio:1;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:10px;font-weight:800}.number-grid button.done{background:var(--purple);border-color:var(--purple);color:#fff}.number-grid button.current{background:var(--navy);border-color:var(--navy);color:#fff}.save-state{text-align:center;color:var(--green);font-size:9px;font-weight:750;margin-top:9px}.preflight{width:min(760px,100%);margin:38px auto}.preflight-list{display:grid;gap:9px;margin:18px 0}.preflight-item{display:flex;gap:11px;align-items:flex-start;padding:11px;border-radius:11px;background:#f7f8fc;font-size:11px}.preflight-item span{width:28px;height:28px;display:grid;place-items:center;flex:0 0 auto;border-radius:9px;background:var(--purple-soft);color:var(--purple);font-weight:900}
.monitor-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-soft)}.tiny-progress{width:78px;height:6px;overflow:hidden;border-radius:99px;background:#edf0f6}.tiny-progress i{display:block;height:100%;background:var(--purple)}
.modal{position:fixed;inset:0;z-index:80;display:none;place-items:center;padding:18px;background:rgba(11,20,38,.72);backdrop-filter:blur(5px)}.modal.show{display:grid}.modal-card{width:min(450px,100%);padding:25px;border-radius:19px;background:#fff;text-align:center;box-shadow:0 28px 80px rgba(0,0,0,.24)}.modal-icon{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 14px;border-radius:18px;background:var(--amber-soft);color:var(--amber);font-size:25px;font-weight:900}.modal-actions{display:flex;justify-content:center;gap:8px;margin-top:18px}.toast{position:fixed;z-index:90;right:18px;bottom:18px;max-width:360px;padding:12px 15px;border-radius:12px;background:var(--navy);color:#fff;box-shadow:var(--shadow);font-size:11px;font-weight:750;transform:translateY(140%);opacity:0;transition:.22s}.toast.show{transform:none;opacity:1}
@media(max-width:1050px){.layout{grid-template-columns:1fr}.sidebar{position:static;display:flex;overflow:auto}.sidebar a{white-space:nowrap}.sidebar .nav-divider{display:none}.stats{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.exam-grid{grid-template-columns:1fr}.exam-side{position:static}.number-grid{grid-template-columns:repeat(10,1fr)}}
@media(max-width:760px){.topbar{padding:9px 13px}.brand small,.user-chip>div:not(.avatar){display:none}.layout{padding:17px 12px 34px}.page-head{align-items:flex-start;flex-direction:column}.stats{gap:8px}.stat{min-height:100px;padding:13px}.grid-form{grid-template-columns:1fr}.span-2{grid-column:auto}.login-shell,.install-shell{grid-template-columns:1fr}.login-visual,.install-intro{display:none}.login-card,.install-card{padding:28px 22px}.security-bar{grid-template-columns:1fr}.security-cell:nth-child(3){display:none}.exam-shell{padding:14px 11px 28px}.exam-top{align-items:flex-start}.exam-question-body{padding:20px 15px}.exam-nav{flex-wrap:wrap}.exam-nav .btn{flex:1}.number-grid{grid-template-columns:repeat(5,1fr)}.form-grid.two{grid-template-columns:1fr}.table-wrap{margin:0 -1px}}
@media(max-width:430px){.stats{grid-template-columns:1fr}.exam-meta h1{font-size:20px}.timer{min-width:92px}.timer strong{font-size:17px}.question-text{font-size:15px}}