/* =========================================================
   KECERMATAN PRO - STUDENT EXPERIENCE V2.5.0
   Visual-only layer. Business logic intentionally untouched.
   ========================================================= */

:root{
  --kx-ink:#101828;
  --kx-navy:#071329;
  --kx-navy-2:#102452;
  --kx-indigo:#5b68f6;
  --kx-violet:#7657f6;
  --kx-cyan:#22b8cf;
  --kx-mint:#22b07d;
  --kx-amber:#d89120;
  --kx-red:#d84b62;
  --kx-paper:#ffffff;
  --kx-bg:#f1f5fb;
  --kx-line:#e2e9f3;
  --kx-muted:#6f7d95;
  --kx-shadow-sm:0 8px 24px rgba(18,39,76,.06);
  --kx-shadow-md:0 18px 48px rgba(18,39,76,.10);
  --kx-shadow-lg:0 28px 72px rgba(9,24,55,.16);
}

/* ---------- Motion + selection ---------- */
.student-v250 *, .premium-v250 *{box-sizing:border-box}
.student-v250 ::selection,.premium-v250 ::selection{background:rgba(91,104,246,.18);color:#162348}
.student-v250 a,.premium-v250 button,.premium-v250 input,.student-v250 button,.student-v250 input{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease,opacity .18s ease}
@media (prefers-reduced-motion:reduce){
  .student-v250 *,.premium-v250 *{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* =========================================================
   LOGIN - premium assessment landing
   ========================================================= */
.login-pro-page.premium-v250{
  background:#eef3fa!important;
  font-family:"Segoe UI Variable Text","Segoe UI Variable",Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.premium-v250 .login-pro-shell{
  grid-template-columns:minmax(560px,1.18fr) minmax(440px,.82fr);
  background:#f4f7fb;
}
.premium-v250 .login-pro-visual{
  padding:36px clamp(42px,5vw,82px) 30px;
  background:
    radial-gradient(circle at 82% 18%,rgba(72,209,222,.24),transparent 23%),
    radial-gradient(circle at 8% 83%,rgba(119,88,246,.34),transparent 28%),
    linear-gradient(142deg,#050d1f 0%,#0a1835 38%,#17285c 70%,#194d69 118%);
}
.premium-v250 .login-pro-visual:before{
  width:680px;height:680px;right:-330px;top:-340px;
  border-color:rgba(255,255,255,.07);
  box-shadow:0 0 0 90px rgba(255,255,255,.018),0 0 0 190px rgba(255,255,255,.012);
}
.premium-v250 .login-pro-visual:after{
  width:350px;height:350px;left:-120px;bottom:-150px;
  background:radial-gradient(circle,rgba(100,88,246,.45),rgba(100,88,246,0) 68%);
}
.premium-v250 .login-pro-grid{
  opacity:.22;
  background-size:48px 48px;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  mask-image:linear-gradient(135deg,rgba(0,0,0,.95),rgba(0,0,0,.15) 75%,transparent);
}
.premium-v250 .login-pro-brand{gap:13px}
.premium-v250 .login-pro-mark{
  width:48px;height:48px;border-radius:16px;
  background:linear-gradient(145deg,#7182ff 0%,#7057f7 54%,#25bdd1 118%);
  box-shadow:0 14px 32px rgba(9,20,58,.42),inset 0 1px 0 rgba(255,255,255,.30);
}
.premium-v250 .login-pro-brand strong,.premium-v250 .login-pro-mobile-brand strong{font-size:16px;font-weight:780}
.premium-v250 .login-pro-brand>div>span,.premium-v250 .login-pro-mobile-brand>div>span{font-size:8.5px;letter-spacing:.2em;color:#a9badb}
.premium-v250 .login-pro-copy{margin:clamp(54px,8vh,92px) 0 24px;max-width:720px}
.premium-v250 .login-pro-kicker{
  padding:8px 11px;border-color:rgba(255,255,255,.13);background:rgba(255,255,255,.075);
  color:#dfe8ff;font-size:10.5px;
}
.premium-v250 .login-pro-copy h1{font-size:clamp(42px,4.6vw,68px);max-width:720px;margin:18px 0 16px;line-height:.99;letter-spacing:-.06em;font-weight:820}
.premium-v250 .login-pro-copy h1 span{background:linear-gradient(90deg,#bbc6ff,#7ee5eb);-webkit-background-clip:text;background-clip:text;color:transparent}
.premium-v250 .login-pro-copy p{max-width:610px;color:#b8c5df;font-size:14px;line-height:1.8}

/* High-quality CSS showcase: decorative, no external image dependency */
.login-v250-showcase{
  position:relative;z-index:2;width:min(620px,94%);height:222px;margin:4px 0 26px;
  border:1px solid rgba(255,255,255,.13);border-radius:25px;
  background:linear-gradient(145deg,rgba(255,255,255,.115),rgba(255,255,255,.035));
  box-shadow:0 30px 70px rgba(1,8,28,.30),inset 0 1px 0 rgba(255,255,255,.13);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;
}
.login-v250-showcase:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(255,255,255,.055),transparent 38%);pointer-events:none}
.login-v250-showcase:after{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-65px;bottom:-115px;border:1px solid rgba(127,231,238,.18);box-shadow:0 0 0 28px rgba(82,208,219,.04),0 0 0 58px rgba(82,208,219,.025)}
.login-v250-top{height:46px;padding:0 17px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.09);color:#dfe7fb}
.login-v250-top>span:first-child{display:flex;align-items:center;gap:8px;font-size:9px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.login-v250-top>span:first-child i{width:7px;height:7px;border-radius:50%;background:#63e5b2;box-shadow:0 0 0 5px rgba(99,229,178,.1)}
.login-v250-top>small{color:#8fa3c7;font-size:8.5px;font-weight:750}
.login-v250-board{position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:12px;padding:15px 17px 16px;height:176px}
.login-v250-task{display:flex;flex-direction:column;justify-content:center;padding:4px 4px 4px 2px}
.login-v250-caption{color:#91a5c9;font-size:8px;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.login-v250-task strong{margin-top:5px;color:#fff;font-size:15px;font-weight:760;letter-spacing:-.025em}
.login-v250-icons{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:13px}
.login-v250-icons span{height:48px;border-radius:13px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.065);color:#dce5ff;font-size:12px;font-weight:900;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.login-v250-icons span:nth-child(3){background:linear-gradient(145deg,rgba(101,116,255,.35),rgba(35,189,207,.22));border-color:rgba(154,171,255,.27);color:#fff;transform:translateY(-4px);box-shadow:0 13px 25px rgba(0,0,0,.15),inset 0 1px 0 rgba(255,255,255,.11)}
.login-v250-progress{display:flex;align-items:center;gap:9px;margin-top:13px}.login-v250-progress>i{position:relative;display:block;flex:1;height:5px;border-radius:99px;background:rgba(255,255,255,.10);overflow:hidden}.login-v250-progress>i:after{content:"";position:absolute;inset:0 31% 0 0;border-radius:inherit;background:linear-gradient(90deg,#7c8cff,#5fe0e5)}.login-v250-progress small{color:#9fb2d1;font-size:8px;font-weight:700}
.login-v250-metrics{display:grid;grid-template-columns:1fr 1fr;gap:9px;align-content:center}
.login-v250-metric{min-height:64px;padding:11px;border-radius:15px;border:1px solid rgba(255,255,255,.09);background:rgba(5,14,39,.23);display:flex;flex-direction:column;justify-content:center}.login-v250-metric span{color:#91a4c7;font-size:7.5px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.login-v250-metric b{margin-top:4px;color:#fff;font-size:14px}.login-v250-metric.wide{grid-column:1/-1;min-height:50px;flex-direction:row;align-items:center;justify-content:space-between}.login-v250-metric.wide b{margin:0;color:#72e0ba;font-size:10px}
.premium-v250 .login-pro-features{gap:10px;margin-bottom:25px;width:min(620px,94%)}
.premium-v250 .login-pro-feature{padding:12px 13px;border-radius:14px;background:rgba(255,255,255,.055)}
.premium-v250 .login-pro-feature b{font-size:11.5px}.premium-v250 .login-pro-feature small{font-size:9.5px;color:#9fb0cf}
.premium-v250 .login-pro-visual-foot{width:min(620px,94%);font-size:9.5px}

.premium-v250 .login-pro-panel{
  padding:32px clamp(30px,4.3vw,68px);
  background:
    radial-gradient(circle at 95% 5%,rgba(91,104,246,.08),transparent 26%),
    linear-gradient(180deg,#f8faff 0%,#eff4fa 100%);
}
.premium-v250 .login-pro-form-wrap{
  width:min(475px,100%);padding:34px 34px 28px;border-radius:28px;border:1px solid rgba(216,226,240,.92);
  background:rgba(255,255,255,.92);box-shadow:0 24px 64px rgba(26,48,88,.11),inset 0 1px 0 #fff;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.premium-v250 .login-pro-heading{margin-bottom:25px}.premium-v250 .login-pro-overline{font-size:9.5px;color:#5969e6}.premium-v250 .login-pro-heading h2{font-size:30px;color:#12203a;margin:8px 0 8px}.premium-v250 .login-pro-heading p{font-size:12.5px;color:#718098;line-height:1.7}
.premium-v250 .login-pro-form label{font-size:12px;color:#35445f;margin-bottom:7px}
.premium-v250 .login-pro-label-row{margin-top:17px}
.premium-v250 .login-pro-input input{height:53px;border-radius:14px;border-color:#dce4ef;background:#fbfdff;padding-left:43px;font-size:13.5px;box-shadow:0 3px 10px rgba(27,47,84,.025)}
.premium-v250 .login-pro-input input:hover{border-color:#cdd8e8;background:#fff}
.premium-v250 .login-pro-input input:focus{border-color:#6977ef;box-shadow:0 0 0 4px rgba(91,104,246,.10),0 8px 20px rgba(47,67,127,.05)}
.premium-v250 .login-pro-input>svg{left:14px;width:18px;height:18px;stroke:#8794a9}
.premium-v250 .login-pro-eye{right:9px;width:35px;height:35px}
.premium-v250 .login-pro-submit{height:53px;margin-top:22px;border-radius:14px;background:linear-gradient(135deg,#4f63e9 0%,#6f58ef 58%,#23a9c7 118%);font-size:13px;box-shadow:0 13px 28px rgba(75,87,203,.24)}
.premium-v250 .login-pro-submit:hover{box-shadow:0 17px 34px rgba(75,87,203,.30)}
.premium-v250 .login-pro-help{margin-top:18px;padding:11px 12px;border:1px solid #e9eef5;background:#f8fafd;font-size:10px}
.premium-v250 .login-pro-install{height:44px;border-radius:13px;background:#f4f7fd;font-size:11px}
.premium-v250 .login-pro-footer{margin-top:25px;padding-top:16px;font-size:9px}

/* =========================================================
   STUDENT APP - premium mobile/desktop shell
   ========================================================= */
.student-pro-body.student-v250{
  --pro-bg:#f2f5fa;
  --pro-surface:#fff;
  --pro-surface-soft:#f7f9fd;
  --pro-ink:#13213a;
  --pro-text:#42516b;
  --pro-muted:#78869b;
  --pro-line:#e2e9f2;
  --pro-indigo:#5868ed;
  --pro-indigo-2:#735cf0;
  --pro-cyan:#1db2cc;
  --pro-navy:#08152e;
  --pro-green:#18a979;
  font-size:14px;
  line-height:1.55;
  background:
    radial-gradient(circle at 7% -3%,rgba(91,104,246,.12),transparent 27%),
    radial-gradient(circle at 98% 12%,rgba(34,184,207,.09),transparent 22%),
    linear-gradient(180deg,#f8faff 0%,#f1f5fa 42%,#edf2f8 100%);
  padding-bottom:116px;
}
.student-v250 .student-pro-app{width:min(940px,100%);position:relative}
.student-v250 .pro-student-top{
  height:78px;padding:11px 20px;
  background:
    radial-gradient(circle at 88% -40%,rgba(67,208,220,.19),transparent 33%),
    linear-gradient(118deg,rgba(5,15,36,.985),rgba(15,31,70,.98) 58%,rgba(19,65,86,.97));
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 15px 38px rgba(8,22,50,.18);
}
.student-v250 .pro-brand{gap:11px}.student-v250 .pro-brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(145deg,#6577ff,#7359f2 58%,#21b4c9);box-shadow:0 11px 25px rgba(39,60,187,.35)}.student-v250 .pro-brand-mark svg{width:20px;height:20px}.student-v250 .pro-brand-copy b{font-size:15px;font-weight:780}.student-v250 .pro-brand-copy small{font-size:8px;letter-spacing:.18em;color:#9fb2d2;margin-top:4px}
.student-v250 .pro-top-actions{gap:9px}.student-v250 .pro-account-chip{padding:5px 5px 5px 12px;gap:10px;border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.075)}.student-v250 .pro-account-copy small{font-size:7.5px}.student-v250 .pro-account-copy b{max-width:150px;font-size:10.5px}.student-v250 .pro-mini-avatar{width:32px;height:32px;border-radius:10px;font-size:11.5px}.student-v250 .pro-icon-button{width:37px;height:37px;border-radius:12px}.student-v250 .pro-pwa-install{height:37px;border-radius:12px;font-size:9.5px}.student-v250 .pro-focus-pill{padding:8px 11px;font-size:10px}
.student-v250 .pro-student-content{padding:25px 20px 30px}

/* Welcome / home */
.student-v250 .pro-welcome-card{
  min-height:270px;grid-template-columns:1fr 195px;gap:22px;padding:32px 34px;margin-bottom:15px;border-radius:30px;
  background:
    radial-gradient(circle at 83% 17%,rgba(82,218,225,.22),transparent 23%),
    linear-gradient(128deg,#07142e 0%,#142c68 49%,#5361da 78%,#1b9ab4 122%);
  border:1px solid rgba(255,255,255,.11);box-shadow:0 28px 62px rgba(20,39,92,.22);
}
.student-v250 .pro-welcome-card:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-215px;top:-260px;border:1px solid rgba(255,255,255,.09);box-shadow:0 0 0 48px rgba(255,255,255,.022),0 0 0 98px rgba(255,255,255,.015)}
.student-v250 .pro-welcome-card .pro-overline{font-size:8.5px;margin-top:18px}.student-v250 .pro-welcome-card h1{font-size:32px;margin:4px 0 8px}.student-v250 .pro-welcome-text{font-size:12.5px;line-height:1.7;color:#c7d3eb}.student-v250 .pro-live-badge{padding:6px 9px;font-size:9px}.student-v250 .pro-id-row{font-size:10.5px;margin-top:12px}.student-v250 .pro-hero-actions{margin-top:20px;gap:10px}.student-v250 .pro-primary-cta,.student-v250 .pro-secondary-cta{min-height:44px;padding:10px 16px;border-radius:13px;font-size:11.5px;font-weight:780}.student-v250 .pro-welcome-card .pro-primary-cta{box-shadow:0 11px 25px rgba(1,8,30,.18)}.student-v250 .pro-identity-badge{width:155px;height:175px}.student-v250 .pro-id-halo{width:152px;height:152px}.student-v250 .pro-big-avatar{width:82px;height:82px;border-radius:25px;font-size:27px}.student-v250 .pro-identity-badge small{font-size:8px}
.student-v250 .pro-stat-grid{gap:12px;margin-bottom:26px}.student-v250 .pro-stat-card{min-height:82px;padding:16px 17px;gap:13px;border-radius:18px;border-color:#e0e7f1;background:rgba(255,255,255,.92);box-shadow:var(--kx-shadow-sm)}.student-v250 .pro-stat-icon{width:42px;height:42px;border-radius:13px}.student-v250 .pro-stat-icon svg{width:20px;height:20px}.student-v250 .pro-stat-card strong{font-size:21px}.student-v250 .pro-stat-card span{font-size:10.5px}
.student-v250 .pro-section-head{margin:22px 1px 12px}.student-v250 .pro-section-head.compact{margin-top:24px}.student-v250 .pro-section-kicker{font-size:8.5px;letter-spacing:.17em}.student-v250 .pro-section-head h2{font-size:17px}.student-v250 .pro-section-head>a{font-size:10.5px;color:#5868d9}

/* Page banners / shared cards */
.student-v250 .pro-page-banner{
  min-height:154px;padding:25px 27px;margin-bottom:14px;border-radius:25px;
  border:1px solid #dee7f2;
  background:
    radial-gradient(circle at 92% 12%,rgba(29,178,204,.10),transparent 30%),
    linear-gradient(135deg,#ffffff 0%,#f8faff 54%,#eff8fb 100%);
  box-shadow:0 14px 34px rgba(31,52,98,.07);
}
.student-v250 .pro-page-banner:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-75px;bottom:-105px;border:1px solid rgba(82,100,232,.08);box-shadow:0 0 0 26px rgba(82,100,232,.025)}
.student-v250 .pro-page-banner .pro-page-icon{width:42px;height:42px;border-radius:13px;margin-bottom:13px;background:linear-gradient(145deg,#edf1ff,#eaf9fc)!important;border:1px solid #dce6f2;color:#5264e8!important}.student-v250 .pro-page-banner .pro-page-icon svg{width:20px;height:20px}.student-v250 .pro-page-banner .pro-overline{font-size:8.5px}.student-v250 .pro-page-banner h1{font-size:24px;margin:4px 0 6px;color:#13213a}.student-v250 .pro-page-banner p{font-size:11.5px;line-height:1.65;max-width:610px;color:#6d7b92}.student-v250 .pro-banner-count{width:80px;height:80px;border-radius:24px;font-size:25px;box-shadow:0 15px 32px rgba(72,87,190,.19)}.student-v250 .pro-banner-count small{font-size:7.5px}
.student-v250 .pro-overline{font-size:8.5px}

/* Exam listing cards */
.student-v250 .pro-exam-list,.student-v250 .pro-score-list{gap:12px}
.student-v250 .pro-exam-card{border-radius:20px;border-color:#e1e8f2;background:rgba(255,255,255,.95);box-shadow:0 10px 28px rgba(26,47,88,.055)}.student-v250 .pro-exam-card:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(26,47,88,.085);border-color:#d6e0ed}.student-v250 .pro-exam-accent{width:5px}.student-v250 .pro-exam-main,.student-v250 .pro-exam-card-large .pro-exam-main{padding:18px 19px}.student-v250 .pro-date-label{font-size:10px}.student-v250 .pro-date-label svg{width:14px;height:14px}.student-v250 .pro-status-chip{font-size:9px;padding:5px 8px}.student-v250 .pro-exam-card h3{font-size:16px;margin:8px 0 5px}.student-v250 .pro-exam-card p{font-size:11.5px;line-height:1.65;color:#75839a}.student-v250 .pro-exam-footer{margin-top:14px;padding-top:12px}.student-v250 .pro-mini-meta{font-size:10px}.student-v250 .pro-card-action{font-size:10.5px}.student-v250 .pro-detail-pills{gap:7px;margin:12px 0 14px}.student-v250 .pro-detail-pills span{padding:6px 9px;border-radius:10px;font-size:9.5px}.student-v250 .pro-exam-rule-note{font-size:10px;line-height:1.55;padding:12px 13px}.student-v250 .pro-locked-cta{min-height:43px;border-radius:12px;font-size:10.5px}
.student-v250 .pro-compact-summary{margin-bottom:18px;border-radius:18px;border:1px solid #e1e8f1;background:rgba(255,255,255,.92);box-shadow:0 8px 22px rgba(26,47,88,.04)}.student-v250 .pro-compact-summary>div{padding:13px 12px}.student-v250 .pro-compact-summary b{font-size:15px}.student-v250 .pro-compact-summary span{font-size:8.5px}
.student-v250 .pro-empty-state{padding:34px 20px;border-radius:20px;border:1px dashed #d7e0ec;background:rgba(255,255,255,.65)}.student-v250 .pro-empty-state>span{width:48px;height:48px;border-radius:15px}.student-v250 .pro-empty-state strong{font-size:13px}.student-v250 .pro-empty-state p{font-size:10.5px;line-height:1.6}

/* Score / results */
.student-v250 .pro-score-hero,.student-v250 .pro-result-hero{
  min-height:180px;padding:27px 29px;margin-bottom:12px;border-radius:27px;
  background:
    radial-gradient(circle at 89% 10%,rgba(63,213,218,.18),transparent 28%),
    linear-gradient(132deg,#08152f 0%,#19346f 52%,#5a53cf 82%,#198fa8 120%);
  box-shadow:0 24px 54px rgba(24,43,94,.20);
}
.student-v250 .pro-score-copy .pro-page-icon{width:42px;height:42px;border-radius:13px;margin-bottom:13px}.student-v250 .pro-score-copy .pro-page-icon svg{width:20px;height:20px}.student-v250 .pro-score-hero h1,.student-v250 .pro-result-hero h1{font-size:25px}.student-v250 .pro-score-hero p,.student-v250 .pro-result-hero p{font-size:11px;line-height:1.6}.student-v250 .pro-score-ring,.student-v250 .pro-result-score{width:104px;height:104px;box-shadow:0 17px 32px rgba(2,8,30,.20)}.student-v250 .pro-score-ring:before,.student-v250 .pro-result-score:before{inset:8px;background:#15274e}.student-v250 .pro-score-ring strong,.student-v250 .pro-result-score strong{font-size:21px}.student-v250 .pro-score-ring span,.student-v250 .pro-result-score span{font-size:7.5px}
.student-v250 .pro-score-card{padding:18px 19px;border-radius:20px;border-color:#e1e8f1;box-shadow:0 10px 28px rgba(26,47,88,.05)}.student-v250 .pro-score-card h3{font-size:15.5px}.student-v250 .pro-score-metrics{gap:8px;margin-top:14px}.student-v250 .pro-score-metrics>div{padding:11px 10px;border-radius:13px}.student-v250 .pro-score-metrics span{font-size:9px}.student-v250 .pro-score-metrics strong{font-size:13.5px}.student-v250 .pro-score-progress{height:5px;margin-top:12px}
.student-v250 .pro-result-list{gap:9px}.student-v250 .pro-result-row{grid-template-columns:44px 1fr auto;padding:14px 15px;border-radius:16px}.student-v250 .pro-group-number{width:34px;height:34px;border-radius:10px;font-size:9.5px}.student-v250 .pro-result-row-main strong{font-size:11.5px}.student-v250 .pro-result-row-main span{font-size:9.5px}.student-v250 .pro-result-value{font-size:13px;min-width:42px}

/* Profile */
.student-v250 .pro-profile-card{
  min-height:260px;padding:29px 30px;border-radius:29px;
  background:
    radial-gradient(circle at 82% 8%,rgba(51,211,220,.19),transparent 29%),
    linear-gradient(130deg,#07142e 0%,#173269 52%,#5853d2 82%,#1596af 125%);
  box-shadow:0 25px 58px rgba(24,43,94,.21);
}
.student-v250 .pro-profile-pattern{width:340px;height:340px;right:-130px;top:-170px;border-width:42px}.student-v250 .pro-profile-avatar{width:78px;height:78px;border-radius:24px;font-size:24px}.student-v250 .pro-profile-active{padding:6px 9px;font-size:9px}.student-v250 .pro-profile-copy{margin-top:18px}.student-v250 .pro-profile-copy h1{font-size:25px;margin:4px 0 4px}.student-v250 .pro-profile-copy p{font-size:10.5px}.student-v250 .pro-profile-footer{margin-top:22px;padding-top:15px}.student-v250 .pro-profile-footer small{font-size:7.5px}.student-v250 .pro-profile-footer b{font-size:11px}.student-v250 .pro-profile-shield{font-size:9px}
.student-v250 .pro-info-panel{display:grid;grid-template-columns:1fr 1fr;gap:10px;background:transparent;border:0;box-shadow:none}.student-v250 .pro-info-row{margin:0;padding:14px 15px;border:1px solid #e1e8f1;border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 8px 22px rgba(26,47,88,.04)}.student-v250 .pro-info-icon{width:38px;height:38px;border-radius:12px}.student-v250 .pro-info-row small{font-size:8.5px}.student-v250 .pro-info-row strong{font-size:11.5px}
.student-v250 .pro-security-panel{padding:20px;border-radius:21px;border-color:#e1e8f1;box-shadow:0 12px 32px rgba(26,47,88,.05)}.student-v250 .pro-security-intro{padding-bottom:16px;margin-bottom:15px}.student-v250 .pro-security-icon{width:43px;height:43px;border-radius:13px}.student-v250 .pro-security-intro strong{font-size:12px}.student-v250 .pro-security-intro p{font-size:10px;line-height:1.55}.student-v250 .pro-password-form label{font-size:10.5px;margin:12px 0 6px}.student-v250 .pro-password-control input{height:48px;border-radius:13px;padding-left:42px;font-size:12px}.student-v250 .pro-password-control{border-radius:13px}.student-v250 .pro-input-icon{left:13px}.student-v250 .password-toggle{right:7px;min-width:64px;height:34px;border-radius:9px;font-size:9px}.student-v250 .password-helper{font-size:9px}.student-v250 .password-submit{margin-top:17px;min-height:47px}.student-v250 .pro-logout-panel{padding:15px 16px;border-radius:17px;margin-top:12px}.student-v250 .pro-logout-panel strong{font-size:11.5px}.student-v250 .pro-logout-panel p{font-size:9px}.student-v250 .pro-logout-panel>a{font-size:10px;padding:8px 11px;border-radius:10px}
.student-v250 .student-alert.pro-alert{border-radius:15px;padding:12px 14px;font-size:10.5px}

/* About */
.student-v250 .pro-about-hero{padding:32px 28px;border-radius:28px;background:radial-gradient(circle at 82% 0%,rgba(57,211,220,.17),transparent 29%),linear-gradient(132deg,#07142f,#19346e 57%,#5a53ce 86%,#188ea7 125%);box-shadow:0 24px 54px rgba(24,43,94,.20)}.student-v250 .pro-about-logo{width:58px;height:58px;border-radius:18px;margin-bottom:14px}.student-v250 .pro-about-logo svg{width:27px;height:27px}.student-v250 .pro-about-hero h1{font-size:26px;margin:5px 0 7px}.student-v250 .pro-about-hero>p{font-size:11.5px;line-height:1.7}.student-v250 .pro-about-pills{gap:8px;margin-top:17px}.student-v250 .pro-about-pills span{padding:6px 9px;font-size:9px}.student-v250 .pro-steps{gap:9px}.student-v250 .pro-step{gap:13px;padding:15px 16px;border-radius:16px;box-shadow:0 7px 22px rgba(26,47,88,.035)}.student-v250 .pro-step>span{width:36px;height:36px;border-radius:11px;font-size:9.5px}.student-v250 .pro-step strong{font-size:11.5px}.student-v250 .pro-step p{font-size:9.8px;line-height:1.6}.student-v250 .pro-note-card{padding:15px 16px;border-radius:17px}.student-v250 .pro-note-icon{width:40px;height:40px;border-radius:12px}.student-v250 .pro-note-card strong{font-size:11.5px}.student-v250 .pro-note-card p{font-size:9.8px;line-height:1.6}

/* Confirmation */
.student-v250 .exam-confirm-card{max-width:760px;margin:8px auto 0;padding:28px;border-radius:28px;border:1px solid #dfe7f1;background:radial-gradient(circle at 93% 5%,rgba(29,178,204,.08),transparent 24%),linear-gradient(145deg,#fff,#f7faff);box-shadow:0 22px 58px rgba(25,46,88,.10)}.student-v250 .exam-confirm-card h1{font-size:27px;margin:9px 0 8px}.student-v250 .exam-confirm-card>p{font-size:12.5px;line-height:1.72}.student-v250 .exam-confirm-meta{gap:10px;margin:21px 0}.student-v250 .exam-confirm-meta>div{padding:14px 15px;border-radius:15px;box-shadow:0 5px 16px rgba(26,47,88,.025)}.student-v250 .exam-confirm-meta span{font-size:8.5px}.student-v250 .exam-confirm-meta b{font-size:13.5px}.student-v250 .exam-confirm-rules{padding:15px 16px;border-radius:15px;font-size:11px;line-height:1.65}.student-v250 .exam-window-note{font-size:10.5px;margin-top:10px}.student-v250 .exam-code-panel{grid-template-columns:48px minmax(0,1fr) minmax(170px,230px);gap:13px;padding:15px;border-radius:18px}.student-v250 .exam-code-icon{width:48px;height:48px;border-radius:14px}.student-v250 .exam-code-copy label{font-size:11.5px}.student-v250 .exam-code-copy small{font-size:9.5px}.student-v250 .exam-code-input{height:48px!important;border-radius:13px!important;font-size:14px!important}.student-v250 .exam-confirm-actions{margin-top:14px;gap:10px}

/* =========================================================
   EXAM FOCUS EXPERIENCE
   ========================================================= */
.student-v250.exam-locked-body{
  background:
    radial-gradient(circle at 50% -12%,rgba(91,104,246,.16),transparent 27%),
    linear-gradient(180deg,#edf2f8 0%,#f5f7fb 100%);
}
.student-v250.exam-locked-body .pro-student-top{height:70px;background:linear-gradient(118deg,#050e20,#10234d 62%,#154d63);box-shadow:0 12px 32px rgba(8,22,50,.17)}
.student-v250.exam-locked-body .pro-student-content{padding-top:18px;padding-bottom:24px}
.student-v250 .premium-exam.exam-shell{width:min(900px,100%);display:grid;gap:14px}
.student-v250 .exam-status-card{
  position:sticky;top:82px;z-index:9;margin:0;padding:16px 18px;border-radius:19px;
  border:1px solid rgba(215,224,237,.95);background:rgba(255,255,255,.94);
  box-shadow:0 12px 32px rgba(25,46,88,.08);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.student-v250 .exam-status{gap:16px}.student-v250 .exam-status h2{font-size:17px;margin:3px 0 3px;color:#182742}.student-v250 .exam-kicker{font-size:9px;letter-spacing:.15em;color:#5868e6}.student-v250 .exam-submeta{font-size:10.5px;color:#78869b}.student-v250 .timer-wrap{display:flex;flex-direction:column;align-items:flex-end;gap:5px}.student-v250 .timer-label{font-size:8px;text-transform:uppercase;letter-spacing:.13em;color:#8895a8;font-weight:850}.student-v250 .timer{min-width:92px;padding:8px 12px;border-radius:12px;background:linear-gradient(145deg,#0a1732,#152b5a);font-size:23px;line-height:1;color:#fff;box-shadow:0 9px 20px rgba(10,23,50,.17);letter-spacing:.03em}.student-v250 .timer.warning{background:linear-gradient(145deg,#9a6413,#d89120)}.student-v250 .timer.danger{background:linear-gradient(145deg,#9e2438,#d94b61);animation:kxPulse 1s ease-in-out infinite}@keyframes kxPulse{50%{box-shadow:0 0 0 5px rgba(217,75,97,.10),0 9px 20px rgba(158,36,56,.18)}}
.student-v250 .exam-progress{height:7px;margin-top:12px;background:#edf1f6}.student-v250 .exam-progress div{border-radius:999px;background:linear-gradient(90deg,#5868ed,#745cf0 58%,#24b6cd)}
.student-v250 .exam-session-lock{margin-top:10px;padding:8px 10px;border-radius:11px;background:#f4f7fc;border:1px solid #e3e9f2;color:#60708a;font-size:9.5px}.student-v250 .exam-connection-state{font-size:8.5px;padding:5px 8px}

.student-v250 .question-card{
  position:relative;margin:0;padding:24px 24px 23px;border-radius:25px;border:1px solid #dfe7f1;
  background:#fff;box-shadow:0 18px 48px rgba(25,46,88,.075);overflow:hidden;
}
.student-v250 .question-card:before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:linear-gradient(90deg,#5668ed,#735cf0 58%,#24b6cc)}
.student-v250 .question-number{padding:7px 12px;border-radius:999px;background:#f4f6ff;border-color:#e2e6ff;color:#5c6980;font-size:11px}.student-v250 .question-number strong{font-size:14px;color:#5363df}.student-v250 .question-hint{max-width:590px;margin:12px auto 18px;font-size:11px;line-height:1.6;color:#7b8798}
.student-v250 .reference-grid{max-width:620px;gap:10px;margin-bottom:20px}.student-v250 .reference-item{position:relative;padding:13px 7px 9px;border-radius:17px;border-color:#e0e7f0;background:linear-gradient(180deg,#fff,#f8fafd);box-shadow:0 8px 20px rgba(25,46,88,.045)}.student-v250 .reference-icon{height:46px}.student-v250 .reference-icon .app-icon{font-size:36px}.student-v250 .reference-icon .app-icon-img{width:36px;height:36px}.student-v250 .reference-label{width:26px;height:26px;margin-top:7px;border-radius:8px;background:linear-gradient(145deg,#edf1ff,#eef9fb);border-color:#dfe6f9;color:#5263da;font-size:11px}
.student-v250 .question-divider{max-width:650px;margin:6px auto 15px;color:#94a0b2;font-size:8.5px;letter-spacing:.16em}.student-v250 .question-divider:before,.student-v250 .question-divider:after{background:#e8edf3}
.student-v250 .question-display{margin:13px auto 18px;gap:14px}.student-v250 .question-icon{width:78px;height:72px;border-radius:18px;border-color:#dfe6ef;background:linear-gradient(180deg,#fff,#f8fafd);box-shadow:0 9px 22px rgba(25,46,88,.055)}.student-v250 .question-icon .app-icon{font-size:40px}.student-v250 .question-icon .app-icon-img{width:40px;height:40px}
.student-v250 .answer-copy{margin:0 auto 14px}.student-v250 .answer-copy strong{font-size:13px;color:#1e2b43}.student-v250 .answer-copy span{font-size:10px;color:#7e8a9d;margin-top:2px}
.student-v250 .letter-options{max-width:560px;gap:10px}.student-v250 .letter-option{height:57px;border:1.5px solid #dce4ee;border-radius:15px;background:linear-gradient(180deg,#fff,#f8fafc);color:#2d3b55;font-size:18px;box-shadow:0 6px 16px rgba(25,46,88,.04)}.student-v250 .letter-option:hover,.student-v250 .letter-option:focus{border-color:#6977eb;color:#4f5fd8;background:#f4f5ff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(82,98,218,.12)}.student-v250 .letter-option:active{transform:translateY(0) scale(.985)}
.student-v250 #answerNetworkNotice{padding:8px 10px;border-radius:10px;background:#fff7ed;color:#9a5d0d;border:1px solid #f7dfbd}

/* Device lock */
.student-v250 .device-lock-card{max-width:680px;margin-top:15px;padding:34px;border-radius:28px;background:radial-gradient(circle at 90% 5%,rgba(29,178,204,.08),transparent 26%),linear-gradient(145deg,#fff,#f7faff);border-color:#dfe7f1;box-shadow:0 24px 62px rgba(25,46,88,.12)}.student-v250 .device-lock-icon{width:76px;height:76px;border-radius:24px}.student-v250 .device-lock-card h1{font-size:27px}.student-v250 .device-lock-card>p{font-size:12.5px;line-height:1.7}

/* Floating dock */
.student-v250 .pro-bottom-dock{
  width:min(760px,calc(100% - 26px));height:78px;bottom:13px;padding:7px 9px;border-radius:25px;
  background:linear-gradient(118deg,rgba(5,15,36,.985),rgba(14,30,68,.98) 60%,rgba(16,58,78,.975));
  border:1px solid rgba(255,255,255,.105);box-shadow:0 24px 58px rgba(7,20,47,.32),inset 0 1px 0 rgba(255,255,255,.06);
}
.student-v250 .pro-bottom-dock a{font-size:9px;border-radius:16px}.student-v250 .pro-bottom-dock .nav-icon{width:28px;height:28px;border-radius:9px}.student-v250 .pro-bottom-dock .nav-icon svg{width:19px;height:19px}.student-v250 .pro-bottom-dock a.active{background:linear-gradient(135deg,rgba(101,117,255,.23),rgba(34,184,207,.12));box-shadow:inset 0 0 0 1px rgba(138,155,255,.10)}.student-v250 .pro-bottom-dock a.home-tab{width:62px;height:62px;transform:translateY(-11px);border-width:5px;border-color:#eef3f9;background:linear-gradient(145deg,#5e70ef,#745cef 54%,#20acc5);box-shadow:0 15px 30px rgba(61,80,196,.34)}

/* Pagination */
.student-v250 .app-pagination{margin:22px auto 4px;gap:8px}.student-v250 .app-pagination a,.student-v250 .app-pagination span{min-height:39px;padding:8px 13px;border-radius:11px;background:#fff;border-color:#dde5ef;color:#5d6b82;font-size:10px;box-shadow:0 4px 12px rgba(26,47,88,.03)}.student-v250 .app-pagination .page-info{background:linear-gradient(135deg,#5868ed,#735cf0);border-color:transparent;color:#fff}.student-v250 .app-pagination a:hover{background:#f6f8ff;border-color:#cfd8ee;color:#4f60d9}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1050px){
  .premium-v250 .login-pro-shell{grid-template-columns:1fr 460px}.premium-v250 .login-pro-visual{padding-left:44px;padding-right:44px}.premium-v250 .login-pro-copy h1{font-size:48px}
}
@media(max-width:920px){
  .premium-v250 .login-pro-shell{grid-template-columns:1fr}.premium-v250 .login-pro-visual{display:none}.premium-v250 .login-pro-panel{min-height:100vh;padding:28px 22px}.premium-v250 .login-pro-form-wrap{padding:30px 28px}.premium-v250 .login-pro-mobile-brand{display:flex;margin-bottom:30px}.premium-v250 .login-pro-mobile-brand .login-pro-mark{width:44px;height:44px}
}
@media(max-width:760px){
  .student-pro-body.student-v250{padding-bottom:106px}.student-v250 .pro-student-top{height:70px;padding:9px 12px}.student-v250 .pro-student-content{padding:16px 12px 24px}.student-v250 .pro-welcome-card{grid-template-columns:1fr 145px;min-height:238px;padding:25px 22px;border-radius:25px}.student-v250 .pro-welcome-card h1{font-size:27px}.student-v250 .pro-welcome-text{font-size:11.5px}.student-v250 .pro-identity-badge{width:125px}.student-v250 .pro-id-halo{width:122px;height:122px}.student-v250 .pro-big-avatar{width:70px;height:70px}.student-v250 .pro-page-banner,.student-v250 .pro-score-hero,.student-v250 .pro-result-hero{border-radius:23px}.student-v250 .pro-info-panel{grid-template-columns:1fr}.student-v250 .exam-status-card{top:78px}.student-v250 .question-card{padding:21px 16px 20px}.student-v250 .reference-grid{gap:7px}.student-v250 .question-icon{width:70px;height:66px}.student-v250 .letter-options{gap:8px}.student-v250 .letter-option{height:52px}.student-v250 .pro-bottom-dock{height:72px;width:calc(100% - 16px);bottom:9px}.student-v250 .pro-bottom-dock a.home-tab{width:56px;height:56px;transform:translateY(-9px)}.student-v250 .exam-code-panel{grid-template-columns:42px 1fr}.student-v250 .exam-code-input{grid-column:1/-1;width:100%}
}
@media(max-width:560px){
  .premium-v250 .login-pro-panel{padding:0;background:linear-gradient(180deg,#0b1c3d 0,#182d5e 175px,#f3f6fb 175px)}.premium-v250 .login-pro-form-wrap{width:100%;max-width:none;min-height:calc(100vh - 22px);margin-top:22px;padding:24px 19px 25px;border-radius:27px 27px 0 0;border:0;box-shadow:0 -10px 36px rgba(7,20,48,.12)}.premium-v250 .login-pro-mobile-brand{margin:0 0 27px;color:#14213c}.premium-v250 .login-pro-mobile-brand>div>span{color:#7d8aa0}.premium-v250 .login-pro-heading h2{font-size:26px}.premium-v250 .login-pro-heading p{font-size:12px}.premium-v250 .login-pro-input input,.premium-v250 .login-pro-submit{height:50px}.premium-v250 .login-pro-footer{font-size:8.5px}

  .student-v250 .pro-student-top{padding:8px 10px}.student-v250 .pro-brand-copy b{font-size:13.5px}.student-v250 .pro-brand-copy small{font-size:7px}.student-v250 .pro-account-copy{display:none}.student-v250 .pro-account-chip{padding:4px}.student-v250 .pro-mini-avatar{width:33px;height:33px}.student-v250 .pro-pwa-install{width:34px;padding:0;justify-content:center}.student-v250 .pro-pwa-install span{display:none}.student-v250 .pro-welcome-card{grid-template-columns:1fr;padding:22px 18px 19px}.student-v250 .pro-identity-badge{display:none}.student-v250 .pro-welcome-card h1{font-size:25px}.student-v250 .pro-hero-actions{grid-template-columns:1fr 1fr}.student-v250 .pro-primary-cta,.student-v250 .pro-secondary-cta{padding:9px 11px;font-size:10.5px}.student-v250 .pro-stat-grid{gap:7px}.student-v250 .pro-stat-card{display:block;min-height:auto;padding:11px 10px}.student-v250 .pro-stat-icon{width:34px;height:34px;margin-bottom:7px}.student-v250 .pro-stat-card strong{font-size:17px}.student-v250 .pro-stat-card span{font-size:8.5px}.student-v250 .pro-section-head h2{font-size:15px}.student-v250 .pro-page-banner{min-height:auto;padding:19px 17px;align-items:flex-start}.student-v250 .pro-page-banner .pro-page-icon{width:37px;height:37px;margin-bottom:10px}.student-v250 .pro-page-banner h1{font-size:20px}.student-v250 .pro-page-banner p{font-size:10.2px}.student-v250 .pro-banner-count{width:60px;height:60px;border-radius:18px;font-size:19px}.student-v250 .pro-exam-main,.student-v250 .pro-exam-card-large .pro-exam-main{padding:14px}.student-v250 .pro-exam-card h3{font-size:14px}.student-v250 .pro-exam-card p{font-size:10.5px}.student-v250 .pro-score-hero,.student-v250 .pro-result-hero{min-height:155px;padding:19px 17px}.student-v250 .pro-score-hero h1,.student-v250 .pro-result-hero h1{font-size:20px}.student-v250 .pro-score-ring,.student-v250 .pro-result-score{width:78px;height:78px}.student-v250 .pro-score-ring strong,.student-v250 .pro-result-score strong{font-size:16px}.student-v250 .pro-profile-card{min-height:230px;padding:21px 18px}.student-v250 .pro-profile-avatar{width:62px;height:62px;border-radius:20px}.student-v250 .pro-profile-copy h1{font-size:20px}.student-v250 .pro-profile-shield{font-size:8px}.student-v250 .pro-security-panel{padding:15px}.student-v250 .pro-about-hero{padding:24px 16px}.student-v250 .pro-about-hero h1{font-size:21px}.student-v250 .pro-about-hero>p{font-size:10.5px}.student-v250 .exam-confirm-card{padding:20px 16px;border-radius:22px}.student-v250 .exam-confirm-card h1{font-size:21px}.student-v250 .exam-confirm-card>p{font-size:11px}.student-v250 .exam-confirm-meta{grid-template-columns:1fr;gap:7px}.student-v250 .exam-confirm-meta>div{padding:11px 12px}.student-v250 .exam-confirm-rules{font-size:10px}.student-v250 .exam-confirm-actions{flex-direction:column-reverse}.student-v250 .exam-code-copy small{font-size:9px}

  .student-v250.exam-locked-body .pro-student-content{padding:12px 9px 16px}.student-v250 .exam-status-card{position:sticky;top:74px;padding:12px;border-radius:16px}.student-v250 .exam-status h2{font-size:14px}.student-v250 .exam-kicker{font-size:7.8px}.student-v250 .exam-submeta{font-size:9px}.student-v250 .timer{min-width:74px;font-size:18px;padding:7px 9px}.student-v250 .timer-label{font-size:7px}.student-v250 .exam-session-lock{font-size:8px;flex-wrap:wrap}.student-v250 .exam-connection-state{margin-left:0}.student-v250 .question-card{padding:18px 10px 17px;border-radius:20px}.student-v250 .question-hint{font-size:9.5px;margin:10px auto 14px}.student-v250 .reference-grid{gap:5px;margin-bottom:16px}.student-v250 .reference-item{padding:8px 3px 6px;border-radius:12px}.student-v250 .reference-icon{height:34px}.student-v250 .reference-icon .app-icon{font-size:27px}.student-v250 .reference-icon .app-icon-img{width:27px;height:27px}.student-v250 .reference-label{width:22px;height:22px;margin-top:5px;border-radius:7px;font-size:9.5px}.student-v250 .question-divider{margin-bottom:11px}.student-v250 .question-display{gap:7px;margin:10px auto 14px}.student-v250 .question-icon{width:58px;height:55px;border-radius:13px}.student-v250 .question-icon .app-icon{font-size:29px}.student-v250 .question-icon .app-icon-img{width:29px;height:29px}.student-v250 .answer-copy strong{font-size:11.5px}.student-v250 .answer-copy span{font-size:9px}.student-v250 .letter-options{gap:6px}.student-v250 .letter-option{height:46px;border-radius:11px;font-size:15px}.student-v250 .pro-bottom-dock a{font-size:8px}.student-v250 .pro-bottom-dock .nav-icon{width:24px;height:24px}.student-v250 .pro-bottom-dock .nav-icon svg{width:17px;height:17px}
}
@media(max-width:365px){
  .student-v250 .pro-brand-copy small{display:none}.student-v250 .pro-stat-card span{font-size:7.8px}.student-v250 .reference-grid{gap:3px}.student-v250 .reference-item{border-radius:10px}.student-v250 .reference-icon .app-icon{font-size:24px}.student-v250 .question-icon{width:52px;height:51px}.student-v250 .question-icon .app-icon{font-size:26px}.student-v250 .letter-option{height:43px}.student-v250 .pro-bottom-dock{width:calc(100% - 10px);padding-left:5px;padding-right:5px}.student-v250 .pro-bottom-dock a{font-size:7.5px}
}