:root{--primary:#2563EB;--primary-dark:#0B132B;--accent:#06B6D4;--surface:#fff;--canvas:#F4F7FB;--text:#0F172A;--muted:#64748B;--border:#E2E8F0;--danger:#EF4444;--success:#10B981}
*{box-sizing:border-box}
html,body{min-height:100%}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--surface);margin:0;font-size:14px;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;font-weight:600}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.auth{display:grid;grid-template-columns:minmax(320px,5fr) minmax(0,6fr);min-height:100vh}
.brand-pane{background:
 radial-gradient(ellipse 80% 50% at 15% -10%,rgba(37,99,235,.45),transparent 55%),
 radial-gradient(ellipse 70% 45% at 100% 110%,rgba(6,182,212,.22),transparent 50%),
 var(--primary-dark);color:#fff;padding:48px 52px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;min-height:100vh}
.brand-pane::after{content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(125,211,252,.22);box-shadow:0 0 0 72px rgba(37,99,235,.08),0 0 0 144px rgba(37,99,235,.04);pointer-events:none}
.brand{display:flex;align-items:center;gap:12px;color:#fff;position:relative;z-index:1}
.brand:hover{text-decoration:none}
.mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#3B82F6,var(--accent));display:grid;place-items:center;font-size:20px;flex:none;box-shadow:0 8px 20px rgba(6,182,212,.25)}
.brand b{display:block;font-size:18px;line-height:1.1;letter-spacing:-.02em}
.brand small{letter-spacing:.28em;font-size:10px;color:#7DD3FC;font-weight:600}
.pitch{position:relative;z-index:1;max-width:440px}
.pitch h2{font-size:34px;line-height:1.15;letter-spacing:-.035em;margin:0 0 14px;font-weight:650}
.pitch p{color:#A8B3C7;line-height:1.65;margin:0 0 28px;font-size:15.5px}
.pitch ul{padding:0;margin:0;display:grid;gap:14px}
.pitch li{list-style:none;display:flex;gap:14px;align-items:flex-start;color:#E2E8F0;line-height:1.4}
.chip{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.06);border:1px solid rgba(125,211,252,.18);display:grid;place-items:center;flex:none;color:#67E8F9}
.pitch strong{display:block;color:#fff;font-size:14px;font-weight:600;margin-bottom:2px}
.pitch small{display:block;color:#94A3B8;font-size:13px;line-height:1.45}
.foot-note{color:#64748B;font-size:12px;position:relative;z-index:1}
.form-pane{display:flex;align-items:center;justify-content:center;padding:36px 28px;background:var(--canvas);min-height:100vh;overflow:auto}
.box{width:100%;max-width:420px;background:#fff;border:1px solid #E6EDF5;border-radius:18px;padding:32px 28px 28px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 16px 40px rgba(15,23,42,.06)}
.box.wide{max-width:520px}
.m-brand{display:none;margin-bottom:24px}
.m-brand .brand{color:var(--primary-dark)}
.m-brand small{color:var(--primary)}
h1{font-size:26px;font-weight:650;letter-spacing:-.025em;margin:0 0 6px}
.sub{color:var(--muted);margin:0 0 22px;line-height:1.55}
.banner{display:flex;gap:10px;align-items:flex-start;border-radius:12px;padding:12px 14px;margin-bottom:18px;font-size:13px;line-height:1.45}
.banner.ok{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}
.banner.bad{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}
.f{margin-bottom:15px}
.f label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}
.inp{position:relative}
.inp>i.lead{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#94A3B8;pointer-events:none;font-size:15px}
.inp input,.inp select,.inp textarea{width:100%;min-width:0;border:1px solid var(--border);border-radius:11px;padding:11px 12px 11px 38px;font:inherit;background:#fff;color:var(--text);transition:border-color .18s,box-shadow .18s}
.inp textarea{padding-left:12px;min-height:140px;resize:vertical}
.f .prompt{font-weight:600;margin:0 0 8px}
.f .prompt span{font-weight:500;color:var(--muted)}
.f .chk{display:flex;margin:0 0 8px}
.inp select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748B' viewBox='0 0 16 16'%3E%3Cpath d='M1.6 5.3a.7.7 0 0 1 1 0L8 10.7l5.4-5.4a.7.7 0 1 1 1 1l-5.9 5.9a.7.7 0 0 1-1 0L1.6 6.3a.7.7 0 0 1 0-1z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer}
.inp input::placeholder{color:#94A3B8}
.inp input:hover,.inp select:hover{border-color:#CBD5E1}
.inp input:focus,.inp select:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.14)}
.inp input:-webkit-autofill{-webkit-box-shadow:0 0 0 1000px #fff inset;-webkit-text-fill-color:var(--text)}
.inp.bad input,.inp.bad select{border-color:var(--danger);box-shadow:0 0 0 4px rgba(239,68,68,.1)}
.geo-pills{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.geo-pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:12.5px;font-weight:600;background:#F1F5F9;color:var(--muted)}
.geo-pill.on{background:#ECFDF5;color:#047857}
.geo-pill.off{background:#FEF2F2;color:#B91C1C}
.msg{color:var(--danger);font-size:12px;margin-top:5px;line-height:1.4}
.msg.tight{margin:-8px 0 16px}
.eye{position:absolute;right:4px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--muted);width:34px;height:34px;border-radius:8px;cursor:pointer}
.eye:hover{background:#F1F5F9;color:var(--text)}
.inp.pw input{padding-right:42px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row2.name{grid-template-columns:132px minmax(0,1fr)}
.row2.name.solo{grid-template-columns:1fr}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;font-size:13px}
.chk{display:flex;gap:8px;align-items:flex-start;color:var(--muted);font-size:13px;line-height:1.45;min-width:0}
.chk span{min-width:0}
.chk.center{align-items:center}
.chk.terms{margin-bottom:18px}
.chk input{margin-top:2px;accent-color:var(--primary);width:15px;height:15px;flex:none}
.chk.center input{margin-top:0}
.btn{width:100%;border:0;border-radius:11px;background:var(--primary);color:#fff;font:inherit;font-weight:600;padding:12px 14px;display:flex;justify-content:center;gap:8px;align-items:center;cursor:pointer;transition:background .18s,box-shadow .18s;box-shadow:0 1px 2px rgba(37,99,235,.25)}
.btn:hover{background:#1D4ED8}
.btn:disabled{opacity:.75;cursor:progress}
.spin{width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}
.loading .spin{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.alt{text-align:center;color:var(--muted);margin:18px 0 0}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.roles label{border:1px solid var(--border);border-radius:12px;padding:10px 12px;display:flex;gap:8px;align-items:center;font-weight:700;cursor:pointer;color:var(--text)}
.roles label.on{border-color:#BFDBFE;background:#EFF6FF;color:var(--primary)}
.roles input{accent-color:var(--primary)}
.hint{color:var(--muted);font-size:12px;margin-top:6px;line-height:1.45}
.btn.slim{width:auto;margin-top:8px;padding:8px 12px;background:#fff;color:var(--primary);border:1px solid #BFDBFE}
.inp input[type=file]{padding-top:9px;padding-bottom:9px}
.strength{height:4px;background:#EEF2F7;border-radius:99px;margin-top:8px;overflow:hidden}
.strength i{display:block;height:100%;width:0;border-radius:99px;transition:width .2s,background .2s}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
@media(max-width:960px){
 html,body{overflow-x:hidden}
 .auth{display:block;width:100%;max-width:100%;overflow-x:hidden;box-sizing:border-box}
 .brand-pane{display:none}
 .m-brand{display:block}
 .form-pane{display:block;box-sizing:border-box;width:100%;max-width:100%;padding:28px 20px 48px;background:#fff;overflow-x:hidden}
 .box,.box.wide{box-sizing:border-box;width:auto;max-width:100%;border:0;box-shadow:none;padding:0;border-radius:0}
 .btn,.inp,.inp input,.inp select,.inp textarea{max-width:100%;box-sizing:border-box}
 .alt{white-space:normal;overflow-wrap:anywhere}
}
@media(max-width:520px){
 .row2,.row2.name{grid-template-columns:1fr}
 .between{align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.notify-stack{position:fixed;top:20px;right:20px;z-index:1060;display:flex;flex-direction:column;gap:10px;align-items:flex-end;pointer-events:none;max-width:calc(100% - 40px)}
.aiz-notify{pointer-events:auto;position:relative;min-width:350px;max-width:350px;padding:1.25rem 3rem 1.25rem 1.25rem;border:0;border-radius:.25rem;color:#fff;font-size:.875rem;line-height:1.45;box-shadow:0 5px 20px rgba(38,45,58,.2);overflow:hidden;animation:aizIn .35s ease}
.aiz-notify.alert-success{background:#0abb75}
.aiz-notify.alert-danger{background:#ef486a}
.aiz-notify .close{position:absolute;top:50%;right:15px;transform:translateY(-50%);width:20px;height:20px;border:0;background:transparent;color:#fff;opacity:.7;font-size:20px;line-height:18px;cursor:pointer;padding:0}
.aiz-notify .close:hover{opacity:1}
.aiz-notify .progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
.aiz-notify .progress-bar{height:100%;width:100%;background:#fff}
.aiz-notify.out{animation:aizOut .28s ease forwards}
@keyframes aizIn{from{opacity:0;transform:translate3d(24px,0,0)}to{opacity:1;transform:none}}
@keyframes aizOut{to{opacity:0;transform:translate3d(16px,0,0)}}
@media(max-width:575px){.aiz-notify{min-width:0;width:calc(100vw - 40px)}}
body.is-hold .form-pane{background:radial-gradient(560px 320px at 85% -8%,rgba(37,99,235,.18),transparent 62%),radial-gradient(420px 260px at 8% 108%,rgba(6,182,212,.16),transparent 58%),var(--canvas)}
body.is-hold .hold-card{max-width:460px;padding:40px 36px 36px;animation:exam-rise .35s ease}
.hold-mark{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;margin-bottom:18px;background:linear-gradient(160deg,#EFF6FF,#DBEAFE);color:#2563EB;font-size:26px;box-shadow:inset 0 0 0 1px #BFDBFE,0 10px 24px rgba(37,99,235,.12)}
.hold-kicker{display:inline-flex;margin:0 0 12px;padding:5px 10px;border-radius:999px;background:#EFF6FF;color:#1D4ED8;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.hold h1{margin-bottom:8px}
.hold-course{margin:0 0 12px;font-weight:700;color:#0F172A}
.hold .sub{margin-bottom:0;font-size:15px}
body.is-cbt{background:#f4f7fb}
.cbt-entry{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:radial-gradient(1200px 400px at 10% -10%,rgba(0,148,220,.16),transparent 60%),radial-gradient(900px 360px at 100% 0%,rgba(216,21,126,.10),transparent 55%),#f4f7fb}
.cbt-entry-card{width:100%;max-width:560px;background:#fff;border-radius:24px;box-shadow:0 20px 50px rgba(15,23,42,.08);overflow:hidden;animation:exam-rise .35s ease}
.cbt-entry-head{padding:28px 28px 18px;text-align:center;border-bottom:1px solid #eef2f7}
.cbt-entry-head .icon-wrap{width:72px;height:72px;margin:0 auto 14px;border-radius:20px;background:rgba(0,148,220,.1);color:#0094dc;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.cbt-entry-head .icon-wrap.pink{background:rgba(216,21,126,.1);color:#d8157e}
.cbt-entry-head h1{font-size:1.55rem;font-weight:800;margin:0 0 6px;letter-spacing:-.02em}
.cbt-entry-head p{color:#64748b;margin:0;font-size:.95rem}
.cbt-kicker{display:inline-flex;margin:0 0 10px;padding:5px 10px;border-radius:999px;background:rgba(216,21,126,.1);color:#d8157e;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.cbt-entry-body{padding:24px 28px 32px}
.cbt-entry-label{display:block;font-weight:700;font-size:.85rem;margin-bottom:8px;color:#334155}
.cbt-entry-input{display:block;width:100%;height:58px;margin-bottom:14px;border-radius:14px;border:2px solid #e2e8f0;font:inherit;font-size:1.15rem;font-weight:700;letter-spacing:.06em;text-align:center;text-transform:uppercase;color:#0f172a;background:#fff}
.cbt-entry-input:focus{outline:0;border-color:#0094dc;box-shadow:0 0 0 4px rgba(0,148,220,.12)}
.cbt-entry-btn{height:54px;border:0;border-radius:14px;background:#0094dc;color:#fff;font-weight:800;font-size:1rem;width:100%;box-shadow:none}
.cbt-entry-btn:hover{background:#007bb8}
.cbt-entry-note{margin-top:18px;background:#f8fafc;border-radius:14px;padding:14px 16px;color:#64748b;font-size:.85rem}
.cbt-entry-note p{margin:0 0 8px;line-height:1.5}
.cbt-entry-note p:last-child{margin-bottom:0}
@media(max-width:575px){
 .cbt-entry-head,.cbt-entry-body{padding-left:18px;padding-right:18px}
 .cbt-entry-head h1{font-size:1.3rem}
 .cbt-entry-input{height:54px;font-size:1rem}
}
body.is-exam{background:radial-gradient(1200px 400px at 10% -10%,rgba(0,148,220,.16),transparent 60%),radial-gradient(900px 360px at 100% 0%,rgba(216,21,126,.10),transparent 55%),#f4f7fb;color:#0F172A}
.exam{min-height:100vh}
.exam-bar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:14px 22px;background:#fff;border-bottom:3px solid #0094dc;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.exam-id{min-width:0}
.exam-id strong{display:block;font-size:15px;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-id span{display:block;color:#64748B;font-size:13px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-timer{justify-self:center;display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;background:#F8FAFC;border:1px solid #E2E8F0;border-radius:12px;padding:8px 14px;color:#0F172A}
.exam-timer i{color:#0094dc}
.exam-timer b{font-size:20px;letter-spacing:.02em}
.exam-timer.is-low{color:#B45309;border-color:#FDE68A;background:#FFFBEB;animation:exam-pulse 1.4s ease-in-out infinite}
.exam-timer.is-low i{color:#B45309}
.exam-timer.is-done{color:#9F1239;border-color:#FECDD3;background:#FFF1F2}
.exam-tools{justify-self:end}
.exam-tool,.exam-nav .ghost{border:1px solid #E2E8F0;background:#fff;border-radius:10px;padding:9px 14px;font:inherit;font-weight:600;color:#0F172A;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.exam-tool:hover,.exam-nav .ghost:hover{border-color:#BFDBFE;background:#F8FAFC}
.exam-tool[aria-expanded="true"]{background:#0F172A;border-color:#0F172A;color:#fff}
.preview-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:linear-gradient(90deg,#0f172a,#0094dc);color:#fff;padding:10px 22px;font-size:13.5px}
.preview-bar i{margin-right:8px}
.preview-bar a{color:#fff;background:rgba(255,255,255,.14);border-radius:8px;padding:6px 12px;font-weight:700}
.preview-bar a:hover{background:#fff;color:#0B132B;text-decoration:none}
.exam-alerts{max-width:1180px;margin:16px auto 0;padding:0 20px}
.exam-alerts:not(:has(.banner:not([hidden]))){display:none}
.exam-alerts .banner{margin-bottom:0}
.exam-body{display:grid;grid-template-columns:minmax(240px,280px) minmax(0,820px);gap:20px;justify-content:center;align-items:start;max-width:1180px;margin:0 auto;padding:20px}
.exam-side{background:#fff;border:1px solid #E2E8F0;border-radius:16px;padding:16px;height:fit-content;position:sticky;top:84px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.side-hd{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}
.side-hd p{margin:0;font-weight:700}
.side-hd b{font-size:12px;font-weight:700;color:#0094dc;background:rgba(0,148,220,.1);border-radius:999px;padding:4px 8px}
.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.palette button{border:1px solid #E2E8F0;background:#fff;border-radius:10px;aspect-ratio:1;height:auto;font:inherit;font-weight:700;color:#334155;cursor:pointer;transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s}
.palette button:hover{background:#F8FAFC;transform:translateY(-1px)}
.palette button.done{background:rgba(0,148,220,.1);border-color:#7dd3fc;color:#0094dc}
.palette button.on{background:#0094dc;color:#fff;border-color:#0094dc;box-shadow:0 6px 14px rgba(0,148,220,.28);transform:none}
.legend{display:flex;gap:12px;align-items:center;color:#64748B;font-size:12px;font-weight:600;margin:14px 0 0}
.legend i{width:10px;height:10px;border-radius:3px;background:#7dd3fc;display:inline-block}
.legend i.open{background:#E2E8F0}
.legend i.now{background:#0094dc}
.exam-paper{min-width:0}
.q-card{background:#fff;border:1px solid #E2E8F0;border-radius:18px;padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.05);min-height:420px}
.q-card:not([hidden]){animation:exam-rise .32s ease}
.q-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;color:#64748B;font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;margin:0 0 14px}
.q-meta span{background:#F8FAFC;border:1px solid #E2E8F0;border-radius:999px;padding:4px 10px;text-transform:none;letter-spacing:0}
.q-html{font-size:18px;line-height:1.6;font-weight:600;margin:0 0 18px;padding-bottom:16px;border-bottom:1px solid #EEF2F7;overflow-wrap:anywhere}
.q-html p{margin:0 0 10px;font-weight:600}
.q-html p:last-child{margin-bottom:0}
.q-html ul,.q-html ol{margin:0 0 12px;padding-left:1.25em}
.q-html table{width:100%;border-collapse:collapse;margin:0 0 12px;font-weight:500}
.q-html td,.q-html th{border:1px solid #E2E8F0;padding:8px 10px;text-align:left}
.q-html img,.choice-body img{max-width:100%;height:auto;border-radius:10px}
.q-html h1,.q-html h2,.q-html h3,.q-html h4{font-size:1.05em;margin:0 0 8px}
.essay-label{display:block;font-weight:700;margin-bottom:8px}
.q-card textarea,.q-card input[type=text]{width:100%;border:1px solid #E2E8F0;border-radius:12px;padding:12px 14px;font:inherit;background:#fff}
.q-card textarea:focus,.q-card input[type=text]:focus{outline:0;border-color:#0094dc;box-shadow:0 0 0 4px rgba(0,148,220,.12)}
.q-card textarea{min-height:200px;resize:vertical}
.attach{display:flex;flex-direction:column;gap:8px;margin:0 0 16px}
.attach a{font-weight:600}
.q-images{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px}
.q-image{display:block;width:auto;max-width:min(100%,520px);max-height:320px;object-fit:contain;border:1px solid #E2E8F0;border-radius:12px;background:#F8FAFC;margin:0}
.q-hint{background:#F8FAFC;border:1px solid #E2E8F0;border-left:3px solid #0094dc;border-radius:12px;padding:10px 12px;margin:0 0 16px;color:#475569}
.q-empty{background:#fff;border:1px dashed #CBD5E1;border-radius:18px;padding:48px 24px;text-align:center;color:#64748B}
.q-empty i{font-size:28px;color:#0094dc;display:block;margin-bottom:8px}
.choices{display:grid;gap:10px}
.choice{display:grid;grid-template-columns:auto auto minmax(0,1fr);gap:12px;align-items:flex-start;border:1px solid #E2E8F0;border-radius:14px;padding:12px 14px;cursor:pointer;background:#fff;transition:border-color .18s,background .18s,box-shadow .18s,transform .18s}
.choice:hover{border-color:#7dd3fc;background:#f8fbff;transform:translateY(-1px)}
.choice:has(input:checked){border-color:#0094dc;background:rgba(0,148,220,.1);box-shadow:0 0 0 3px rgba(0,148,220,.12)}
.choice input{margin-top:4px;accent-color:#0094dc;width:16px;height:16px}
.choice .letter{width:28px;height:28px;border-radius:8px;background:#F1F5F9;color:#334155;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.choice:has(input:checked) .letter{background:#0094dc;color:#fff}
.choice-body{min-width:0;line-height:1.5;padding-top:3px;overflow-wrap:anywhere}
.choice-body p{margin:0}
.exam-nav{display:flex;gap:10px;align-items:center;margin-top:14px;background:#fff;border:1px solid #E2E8F0;border-radius:16px;padding:12px}
.exam-nav .ghost[disabled]{opacity:.45;cursor:not-allowed}
.exam-nav .btn,.exam-nav .preview-only{margin-left:auto}
.exam-nav .btn{width:auto;padding:10px 18px;border-radius:10px;background:#d8157e;box-shadow:0 8px 18px rgba(216,21,126,.22)}
.exam-nav .btn:hover{background:#b01065}
.exam-confirm{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:20px;background:rgba(15,23,42,.46);backdrop-filter:blur(4px);animation:exam-fade .18s ease}
.exam-confirm[hidden]{display:none}
.exam-confirm-card{width:min(440px,100%);background:#fff;border-radius:20px;padding:26px 24px 20px;box-shadow:0 24px 60px rgba(15,23,42,.24);text-align:left;animation:exam-pop .22s ease}
.exam-confirm-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(216,21,126,.1);color:#d8157e;font-size:20px;margin-bottom:14px}
.exam-confirm-card h2{font-size:22px;letter-spacing:-.02em;margin:0 0 8px}
.exam-confirm-card p{margin:0;color:#475569;line-height:1.5}
.exam-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.exam-confirm-actions .ghost{border:1px solid #E2E8F0;background:#fff;border-radius:10px;padding:10px 14px;font:inherit;font-weight:600;cursor:pointer}
.exam-confirm-actions .ghost:hover{background:#F8FAFC}
.exam-confirm-actions .btn{width:auto;padding:10px 16px;border-radius:10px;background:#d8157e}
.exam-confirm-actions .btn:hover{background:#b01065}
@keyframes exam-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes exam-pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@keyframes exam-fade{from{opacity:0}to{opacity:1}}
@keyframes exam-pulse{0%,100%{box-shadow:0 0 0 0 rgba(245,158,11,.35)}50%{box-shadow:0 0 0 6px rgba(245,158,11,0)}}
.preview-only{color:#64748B;font-weight:700;font-size:13px}
.exam-done{max-width:520px;margin:48px auto;background:#fff;border:1px solid #E2E8F0;border-radius:18px;padding:32px;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.exam-done h1{font-size:26px}
.exam-done .score{font-size:42px;font-weight:700;margin:8px 0}
.exam-done .score small{font-size:18px;color:#64748B;font-weight:600}
.exam-done .btn{margin-top:18px;background:#0094dc;color:#fff;text-decoration:none}
.exam-done .btn:hover{background:#007bb8;color:#fff}
.calculator{position:fixed;right:20px;bottom:20px;width:248px;background:#0F172A;color:#fff;border-radius:18px;padding:14px;box-shadow:0 18px 40px rgba(15,23,42,.28);z-index:30}
.calc-screen{background:#1E293B;border-radius:12px;padding:14px;text-align:right;font-size:24px;font-variant-numeric:tabular-nums;margin-bottom:10px;overflow:hidden}
.calc-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.calc-keys button{border:0;border-radius:10px;background:#334155;color:#fff;font:inherit;font-weight:700;height:42px;cursor:pointer}
.calc-keys button:hover{background:#475569}
body.is-portal{min-height:100vh;background-color:#0D1B2A;background-image:radial-gradient(ellipse 80% 60% at 30% 50%,rgba(26,58,80,.70) 0%,transparent 70%),repeating-linear-gradient(45deg,transparent,transparent 48px,rgba(201,168,76,.03) 48px,rgba(201,168,76,.03) 49px);display:flex;align-items:center;justify-content:center;padding:24px 16px}
body.is-portal:has(.form-right){align-items:flex-start;padding-top:32px;padding-bottom:32px}
.portal-card.form-right{grid-template-columns:minmax(260px,340px) minmax(320px,1fr);max-width:980px}
.portal-card.form-right .panel-identity{border-left:0;border-right:1px solid rgba(201,168,76,.18)}
.portal-card.form-right .panel-form{justify-content:flex-start;padding:36px 36px 32px}
.portal-card .f{margin-bottom:15px}
.portal-card .f label{display:block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#1A2D42;margin-bottom:7px}
.portal-card .inp input,.portal-card .inp select{border:1.5px solid #EDE6D6;border-radius:4px;background:#fff;color:#0D1B2A}
.portal-card .inp input:focus,.portal-card .inp select:focus{border-color:#C9A84C;box-shadow:0 0 0 3px rgba(201,168,76,.15)}
.portal-card .inp.bad input,.portal-card .inp.bad select{border-color:#D64045}
.portal-card .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.portal-card .row2[hidden],.portal-card [data-lecturer][hidden]{display:none}
.portal-card .row2.name.solo{grid-template-columns:1fr}
.portal-card .chk.terms{margin:4px 0 18px;color:#1A2D42}
.portal-card .hint,.portal-card .msg{color:#8A97A6}
.portal-card{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);width:100%;max-width:860px;min-height:560px;border-radius:8px;overflow:hidden;box-shadow:0 8px 40px rgba(13,27,42,.22),0 2px 8px rgba(13,27,42,.10)}
.panel-form{background:#F5F0E8;display:flex;flex-direction:column;justify-content:center;padding:48px 40px;position:relative}
.panel-form::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#C9A84C,#E91E63)}
.portal-badge{display:inline-flex;align-items:center;margin-bottom:22px;padding:5px 13px;background:rgba(26,122,110,.10);border:1px solid rgba(26,122,110,.25);border-radius:20px;font-size:.70rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#1A7A6E;width:fit-content}
.form-heading{margin-bottom:28px}
.form-heading h1{font-family:Georgia,"Times New Roman",serif;font-size:1.35rem;font-weight:400;color:#0D1B2A;margin:0 0 4px}
.form-heading p{font-size:.80rem;color:#8A97A6;margin:0}
.gof-alert{background:rgba(214,64,69,.08);border-left:3px solid #D64045;color:#0D1B2A;font-size:.80rem;padding:10px 14px;border-radius:4px;margin-bottom:18px}
.gof-alert.ok{background:rgba(26,122,110,.08);border-left-color:#1A7A6E}
.field-group{margin-bottom:18px}
.field-group label{display:block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#1A2D42;margin-bottom:7px}
.field-wrap{position:relative}
.field-wrap input{width:100%;padding:11px 38px 11px 14px;font:inherit;font-size:.88rem;color:#0D1B2A;background:#fff;border:1.5px solid #EDE6D6;border-radius:4px;outline:none}
.field-wrap input:focus{border-color:#C9A84C;box-shadow:0 0 0 3px rgba(201,168,76,.15)}
.field-wrap input.is-invalid{border-color:#D64045}
.field-error{display:block;font-size:.74rem;color:#D64045;margin-top:5px}
.field-error[hidden]{display:none}
.field-wrap .eye{position:absolute;right:4px;top:50%;transform:translateY(-50%)}
.portal-roles{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px}
.portal-roles label{border:1.5px solid #EDE6D6;border-radius:4px;padding:10px 12px;display:flex;gap:8px;align-items:center;font-weight:700;cursor:pointer;color:#0D1B2A;background:#fff}
.portal-roles label.on{border-color:#C9A84C;background:#fffaf0}
.portal-roles input{accent-color:#C9A84C}
.portal-code{text-align:center;letter-spacing:.28em;font-weight:700;font-size:1.05rem}
.portal-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;font-size:.75rem}
.portal-check{display:flex;gap:8px;align-items:center;color:#8A97A6}
.portal-check input{accent-color:#C9A84C}
.portal-row a{color:#8A97A6;font-weight:600}
.portal-row a:hover{color:#C9A84C;text-decoration:none}
.portal-card .btn{width:100%;padding:12px;font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#0D1B2A;background:linear-gradient(135deg,#C9A84C,#E2C37A);border:0;border-radius:4px;box-shadow:0 2px 8px rgba(201,168,76,.30);text-decoration:none}
.portal-card .btn:hover{opacity:.9;background:linear-gradient(135deg,#C9A84C,#E2C37A);color:#0D1B2A}
.portal-card .spin{border-color:rgba(13,27,42,.25);border-top-color:#0D1B2A}
.help-line{margin-top:22px;padding-top:18px;border-top:1px solid #EDE6D6;text-align:center;font-size:.74rem;color:#8A97A6}
.help-line a{color:#1A7A6E}
.portal-note{margin-top:18px;background:#fff;border-radius:8px;padding:14px 16px;color:#8A97A6;font-size:.85rem}
.portal-note p{margin:0 0 8px;line-height:1.5}
.portal-note p:last-child{margin:0}
.panel-identity{background:linear-gradient(155deg,#243B55 0%,#0D1B2A 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 40px;position:relative;overflow:hidden;border-left:1px solid rgba(201,168,76,.18);color:#fff}
.panel-identity::after{content:"✦";font-size:280px;color:rgba(201,168,76,.04);position:absolute;bottom:-60px;left:-40px;line-height:1;pointer-events:none}
.portal-mark{width:120px;height:120px;border-radius:50%;border:2px solid rgba(201,168,76,.40);display:grid;place-items:center;font-size:48px;color:#E2C37A;margin-bottom:26px;position:relative;z-index:1;background:transparent}
.portal-mark.photo{object-fit:cover;padding:0}
.portal-mark.letters{font-family:Georgia,"Times New Roman",serif;font-size:36px;color:#fff}
.exam-tools{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.exam-person{display:flex;align-items:center;gap:10px;min-width:0}
.exam-person div{min-width:0;text-align:right}
.exam-person strong{display:block;font-size:.9rem;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-person span{display:block;color:#64748B;font-size:.75rem}
.exam-person img,.exam-person .face{width:42px;height:42px;border-radius:50%;object-fit:cover;border:2px solid #C9A84C;flex:none}
.exam-person .face{display:grid;place-items:center;background:#0D1B2A;color:#E2C37A;font-weight:700;font-size:13px}
.school-name{font-family:Georgia,"Times New Roman",serif;font-size:1.55rem;font-weight:400;color:#fff;text-align:center;line-height:1.3;position:relative;z-index:1}
.school-name span{display:block;width:48px;height:2px;background:#C9A84C;margin:14px auto}
.school-branch{font-size:.78rem;font-weight:600;letter-spacing:.20em;text-transform:uppercase;color:#E2C37A;text-align:center;position:relative;z-index:1}
.student-art{margin-top:32px;position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:10px}
.progress-dots{display:flex;gap:8px}
.progress-dots span{width:7px;height:7px;border-radius:50%;background:#C9A84C;opacity:.4;animation:portal-pulse 1.8s ease-in-out infinite}
.progress-dots span:nth-child(2){animation-delay:.3s}
.progress-dots span:nth-child(3){animation-delay:.6s}
@keyframes portal-pulse{0%,100%{opacity:.3;transform:scale(.85)}50%{opacity:.9;transform:scale(1.15)}}
.student-tagline{margin:16px 0 0;font-size:.72rem;color:#8A97A6;text-align:center;line-height:1.65;max-width:220px;position:relative;z-index:1}
.cbt-kicker{display:inline-flex;margin:0 0 10px;padding:5px 10px;border-radius:999px;background:rgba(216,21,126,.1);color:#d8157e;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
@media(max-width:640px){
 body.is-portal{padding:0;align-items:stretch}
 .portal-card{grid-template-columns:1fr;max-width:100%;min-height:100vh;border-radius:0}
 .panel-form{order:2;padding:32px 22px 48px}
 .panel-identity{order:1;flex-direction:row;justify-content:flex-start;padding:28px 22px;gap:16px;border-left:0;border-right:0;border-bottom:1px solid rgba(201,168,76,.20)}
 .portal-card.form-right{grid-template-columns:1fr;max-width:100%}
 .panel-identity::after,.student-art{display:none}
 .portal-mark{width:56px;height:56px;margin:0;font-size:24px;flex:none}
 .school-name{font-size:1rem;text-align:left}
 .school-name span{margin:8px 0}
 .school-branch,.student-tagline{text-align:left}
}
@media(max-width:900px){
 .exam-bar{grid-template-columns:minmax(0,1fr) auto;padding:12px 14px}
 .exam-tools{grid-column:2;grid-row:1}
 .exam-timer{grid-column:1/-1;grid-row:2;justify-self:start}
 .exam-body,.exam-alerts{padding-left:14px;padding-right:14px}
 .exam-body{grid-template-columns:1fr}
 .exam-paper{order:-1}
 .exam-side{position:static}
 .q-card{min-height:0;padding:18px}
 .exam-nav{flex-wrap:wrap}
 .exam-nav .btn,.exam-nav .preview-only{width:100%;margin-left:0;justify-content:center}
}