:root{--ml-blue:#0d4cd3;--ml-deep:#123765;--ml-mid:#2d73bc;--ml-sky:#38bafe;--ml-ink:#152a43;--ml-muted:#61738a;--ml-pale:#eef6ff;--ml-line:#dce7f2}html{scroll-behavior:smooth}body{padding-top:0;background:#fff;color:var(--ml-ink);font-family:Arial,"Helvetica Neue",sans-serif}.ml-topline{position:relative;z-index:5;background:#0d4cd3;color:#fff;font-size:12px;letter-spacing:.06em}.ml-topline-inner{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:24px}.ml-topline-tagline{margin-left:auto;color:#d9eaff}.ml-topline .ml-brand{color:#fff}.ml-topline .ml-brand b{color:#fff}.ml-topline .ml-brand small{color:#d9eaff}.ml-topline .ml-mark{background:#fff;color:var(--ml-blue);box-shadow:none}.ml-brand{display:inline-flex;align-items:center;gap:12px;color:var(--ml-deep);text-decoration:none!important}.ml-brand b{display:block;font-size:25px;line-height:1;letter-spacing:-.04em}.ml-brand small{display:block;margin-top:5px;color:var(--ml-muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.ml-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:var(--ml-blue);color:#fff;font-weight:800;font-size:24px;box-shadow:0 7px 16px #0d4cd333}.ml-nav{display:flex;align-items:center;gap:35px}.ml-nav a,.ml-footer nav a{color:#fff;font-size:14px;font-weight:700;text-decoration:none}.ml-nav a:hover{color:#9de2ff}.ml-topline .ml-nav a:hover{color:#9de2ff}.ml-menu-toggle{display:none;border:0;background:none;color:#fff;font-size:25px}.ml-footer{margin-top:70px;background:#102c50;color:#c7d8eb;padding:35px 0}.ml-footer-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:25px;row-gap:16px}.ml-brand-light{color:#fff}.ml-brand-light small{color:#adc5df}.ml-footer nav{display:flex;grid-column:1;grid-row:1;justify-content:flex-start;flex-wrap:wrap;gap:24px}.ml-footer nav a{color:#fff}.ml-footer p{grid-column:1/-1;grid-row:2;margin:0;color:#a9bfd8;font-size:12px;text-align:center}.ml-footer .ml-brand{grid-column:3;grid-row:1}.breadcrumb{list-style:none;padding:12px 16px;margin:18px 0 26px;background:var(--ml-pale);border:1px solid var(--ml-line);border-radius:4px;color:var(--ml-muted);font-size:13px}.breadcrumb a{color:var(--ml-blue);text-decoration:none}.breadcrumb a:hover{color:var(--ml-deep);text-decoration:underline}.content-block{width:100%;float:none;padding:0 15px}.sidebar{display:none}.blog{font-size:16px;line-height:1.7}.blog-content{color:#344c66}.blog-content h1,.ml-page h1{color:var(--ml-deep);font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.035em;font-weight:750;margin:12px 0 20px}.blog-content h2,.ml-page h2{color:var(--ml-deep);font-size:26px;margin-top:35px}.blog-content p{margin-bottom:18px}.ml-page{margin:0 auto}.ml-hero{position:relative;overflow:hidden;border-radius:4px;background:linear-gradient(115deg,#0d4cd3 0%,#2468d7 55%,#38bafe 100%);color:white;padding:clamp(32px,6vw,72px);margin:12px 0 52px}.ml-hero:after{content:"∑";position:absolute;right:7%;top:-45px;font-size:320px;line-height:1;color:#ffffff14;font-weight:700}.ml-hero>*{position:relative;z-index:1;max-width:690px}.ml-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:#caeaff}.ml-hero h1{color:#fff!important;font-size:clamp(40px,6vw,66px)!important;margin:17px 0 18px!important}.ml-hero p{font-size:18px;color:#eaf5ff;line-height:1.6;max-width:590px}.ml-button{display:inline-flex;padding:13px 21px;margin-top:12px;border-radius:3px;background:#fff;color:var(--ml-blue)!important;font-weight:700;text-decoration:none!important}.ml-section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.ml-section-head h2{margin:0!important}.ml-section-head a{color:var(--ml-blue);font-weight:700}.ml-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ml-card{display:block;min-height:150px;padding:22px;border:1px solid var(--ml-line);border-top:3px solid var(--ml-blue);background:#fff;text-decoration:none!important;transition:transform .18s,box-shadow .18s}.ml-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #15395d12}.ml-card .ml-card-num{display:block;font-size:12px;color:var(--ml-mid);font-weight:700;letter-spacing:.08em}.ml-card h3{color:var(--ml-deep);font-size:20px;margin:15px 0 8px}.ml-card p{color:var(--ml-muted);font-size:13px;margin:0;line-height:1.5}.ml-columns{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;margin:62px 0}.ml-note{padding:28px;background:var(--ml-pale)}.ml-note h3{margin-top:0;color:var(--ml-deep)}.ml-note p{color:var(--ml-muted)}.ml-list{list-style:none;padding:0}.ml-list li{border-bottom:1px solid var(--ml-line);padding:16px 0}.ml-list a{color:var(--ml-blue);font-size:20px;font-weight:700}.ml-pagination{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:26px 0}.ml-pagination li a,.ml-pagination li span{display:block;padding:8px 12px;border:1px solid var(--ml-line);border-radius:3px;color:var(--ml-blue);text-decoration:none}.ml-pagination li.selected span{background:var(--ml-blue);border-color:var(--ml-blue);color:#fff}.ml-pagination li.hidden{display:none}.ml-pagination li a:hover{background:var(--ml-pale)}.ml-empty{padding:22px;background:#f6f9fc;border:1px solid var(--ml-line);color:var(--ml-muted)}.ml-lead{font-size:18px;color:var(--ml-muted);max-width:760px}.ml-article{max-width:790px}.ml-article p{font-size:17px;line-height:1.8}.ml-overline{color:var(--ml-mid);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.12em}@media(max-width:767px){.ml-calculator-layout{grid-template-columns:1fr;gap:24px}.ml-calculator-sidebar{grid-template-columns:1fr}.ml-topline-inner{min-height:82px;gap:12px}.ml-topline-tagline{display:none}.ml-menu-toggle{display:block}.ml-nav{display:none;position:absolute;z-index:10;left:0;right:0;top:100%;padding:18px 25px;background:#fff;box-shadow:0 12px 25px #12376522;flex-direction:column;align-items:flex-start;gap:18px}.ml-nav a{color:var(--ml-deep)}.menu-open .ml-nav{display:flex}.ml-cards{grid-template-columns:repeat(2,1fr)}.ml-columns{grid-template-columns:1fr;gap:20px;margin:42px 0}.ml-footer-inner{grid-template-columns:1fr}.ml-footer nav{flex-wrap:wrap}.ml-footer p{grid-column:1;grid-row:auto;text-align:left}.ml-footer nav,.ml-footer .ml-brand{grid-column:1;grid-row:auto}.ml-hero{margin-bottom:38px}.ml-hero:after{right:-16%;font-size:240px}}

.ml-calc-promo{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:32px;margin:60px 0;background:var(--ml-pale)}.ml-calc-promo h2{margin:10px 0;color:var(--ml-deep)}.ml-calc-promo p{max-width:620px;color:var(--ml-muted)}.ml-calc-promo-links{display:grid;gap:10px}.ml-calc-promo-links a{display:flex;justify-content:space-between;padding:13px 15px;background:#fff;border:1px solid var(--ml-line);color:var(--ml-blue);font-weight:700;text-decoration:none}.ml-latest-calcs{margin-top:48px}.ml-latest-calcs h2{margin-bottom:14px;color:var(--ml-deep);font-size:24px}.ml-latest-calcs-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.ml-latest-calcs-columns ul{list-style:none;margin:0;padding:0}.ml-latest-calcs-columns li{padding:12px 0;border-bottom:1px solid var(--ml-line)}.ml-latest-calcs-columns a{color:var(--ml-blue);font-weight:700;text-decoration:none}.ml-latest-calcs-columns a:hover{color:var(--ml-deep);text-decoration:underline}.ml-calc-list{list-style:none;margin:28px 0;padding:0}.ml-calc-list li{padding:17px 0;border-bottom:1px solid var(--ml-line)}.ml-calc-list li>a{display:flex;justify-content:space-between;gap:16px;color:var(--ml-blue);font-size:17px;font-weight:700;text-decoration:none}.ml-calc-list li>p{margin:7px 0 0;color:var(--ml-muted);font-size:14px}.ml-calculator-page{max-width:none}.ml-calculator-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:36px;align-items:start}.ml-calculator-content{min-width:0}.ml-calculator-sidebar{display:grid;gap:22px;margin-top:14px}.ml-sidebar-section{padding:20px;background:var(--ml-pale);border:1px solid var(--ml-line);border-top:3px solid var(--ml-blue)}.ml-sidebar-section h2{margin:0 0 12px;color:var(--ml-deep);font-size:19px}.ml-sidebar-list{list-style:none;margin:0;padding:0}.ml-sidebar-list li{padding:9px 0;border-bottom:1px solid var(--ml-line);line-height:1.4}.ml-sidebar-list a,.ml-sidebar-all{color:var(--ml-blue);font-weight:700;text-decoration:none}.ml-sidebar-list a:hover,.ml-sidebar-all:hover{color:var(--ml-deep);text-decoration:underline}.ml-sidebar-all{display:inline-block;margin-top:14px;font-size:13px}.ml-tool-shell{margin:26px 0;padding:clamp(18px,4vw,34px);border:1px solid var(--ml-line);border-top:3px solid var(--ml-blue);background:#fff;box-shadow:0 10px 30px #15395d0b}.ml-tool-shell input[type=text],.ml-tool-shell input[type=number],.ml-tool-shell textarea,.ml-tool-shell select{max-width:100%;min-height:40px;border:1px solid #c9d8e7;border-radius:3px;padding:8px 10px}.ml-tool-shell .btn-primary,.ml-tool-shell button.btn-primary,.ml-tool-shell .btn-u{background:var(--ml-blue);border-color:var(--ml-blue);color:#fff}.ml-calc-back{margin-top:25px}.ml-calc-back a,.ml-calc-brief a{color:var(--ml-blue)}@media(max-width:767px){.ml-latest-calcs-columns{grid-template-columns:1fr;gap:0}.ml-calc-promo{grid-template-columns:1fr;padding:23px;margin:40px 0}.ml-tool-shell{padding:16px}}

/* Practice page */
.ml-practice-intro{padding:30px 34px;background:linear-gradient(120deg,#eef6ff 0%,#f7fbff 62%,#e5f5ff 100%);border-left:4px solid var(--ml-blue);margin-bottom:44px}.ml-practice-intro h1{margin-top:10px}.ml-practice-intro .ml-lead{margin-bottom:0}.ml-practice-section{margin:44px 0}.ml-practice-section .ml-section-head h2,.ml-howto h2{margin:8px 0 0;color:var(--ml-deep);font-size:27px}.ml-class-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.ml-class-card{position:relative;display:flex;min-height:95px;flex-direction:column;justify-content:center;align-items:center;border:1px solid var(--ml-line);border-radius:4px;background:#fff;color:var(--ml-deep);text-decoration:none!important;transition:transform .18s,box-shadow .18s,border-color .18s}.ml-class-card:hover{transform:translateY(-3px);border-color:#9cc7f4;box-shadow:0 10px 24px #15395d12}.ml-class-card>span{font-size:30px;font-weight:800;line-height:1;color:var(--ml-blue)}.ml-class-card small{margin-top:5px;color:var(--ml-muted);font-size:12px}.ml-class-card>b{position:absolute;right:11px;top:10px;color:#91a7bf;font-size:14px}.ml-howto{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;margin:54px 0;padding:34px;background:linear-gradient(135deg,#103562,#15539a);border-radius:5px;color:#fff}.ml-howto .ml-overline{color:#9ddcff}.ml-howto h2{margin:9px 0 12px;color:#fff}.ml-howto-heading>p{max-width:390px;color:#d9e9fa;line-height:1.65}.ml-howto-steps{display:grid;gap:10px;list-style:none;padding:0;margin:0}.ml-howto-steps li{display:flex;gap:16px;align-items:flex-start;padding:16px 18px;background:#ffffff12;border:1px solid #ffffff20;border-radius:4px}.ml-howto-steps li>span{flex:0 0 34px;color:#89d9ff;font-size:13px;font-weight:800;letter-spacing:.08em}.ml-howto-steps h3{margin:0 0 5px;color:#fff;font-size:16px}.ml-howto-steps p{margin:0;color:#d5e5f5;font-size:13px;line-height:1.5}.ml-latest-tests{border-top:1px solid var(--ml-line)}.ml-latest-test{display:grid;grid-template-columns:100px minmax(0,1fr) 150px 24px;gap:18px;align-items:center;padding:17px 12px;border-bottom:1px solid var(--ml-line);color:var(--ml-ink);text-decoration:none!important;transition:background .15s}.ml-latest-test:hover{background:#f5f9fe}.ml-latest-test-class,.ml-latest-test-subject{color:var(--ml-muted);font-size:13px}.ml-latest-test-title{color:var(--ml-blue);font-weight:700}.ml-latest-test-arrow{color:var(--ml-mid);font-size:20px;text-align:right}
@media(max-width:767px){.ml-practice-intro{padding:24px 20px;margin-bottom:32px}.ml-class-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.ml-class-card{min-height:78px}.ml-howto{grid-template-columns:1fr;gap:16px;padding:25px 20px;margin:38px 0}.ml-latest-test{grid-template-columns:72px minmax(0,1fr) 20px;gap:9px;padding:14px 8px}.ml-latest-test-subject{grid-column:2;grid-row:2;font-size:12px}.ml-latest-test-arrow{grid-column:3;grid-row:1/3}.ml-latest-test-title{line-height:1.35}}
.ml-latest-calcs-columns a{display:flex;align-items:center;gap:11px}.ml-latest-calcs-columns .ml-calc-icon{flex:0 0 21px;width:21px;height:21px;color:var(--ml-mid)}

.ml-about>h1{max-width:850px;margin-top:12px}.ml-about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:38px 0}.ml-about-card{position:relative;padding:26px;border:1px solid var(--ml-line);border-top:3px solid var(--ml-blue);background:#fff}.ml-about-number{color:var(--ml-mid);font-size:12px;font-weight:800;letter-spacing:.12em}.ml-about-card h2{margin:12px 0;color:var(--ml-deep);font-size:22px}.ml-about-card p,.ml-about-note p{color:var(--ml-muted);line-height:1.7}.ml-about-card a{display:inline-flex;gap:10px;align-items:center;margin-top:6px;color:var(--ml-blue);font-weight:700;text-decoration:none}.ml-about-card a:hover{text-decoration:underline}.ml-about-card-wide{grid-column:1/-1}.ml-about-note{margin:34px 0;padding:26px 30px;background:var(--ml-pale);border-left:4px solid var(--ml-mid)}.ml-about-note h2{margin:0;color:var(--ml-deep);font-size:22px}.ml-about-note p{max-width:820px;margin:10px 0 0}@media(max-width:767px){.ml-about-grid{grid-template-columns:1fr;gap:12px;margin:28px 0}.ml-about-card-wide{grid-column:auto}.ml-about-card{padding:22px}.ml-about-note{padding:22px}}

/* Journal articles and examples imported from Artconv. */
.ml-journal { padding-bottom: 12px; }
.ml-journal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.ml-journal-card { display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--ml-line); border-top: 3px solid var(--ml-blue); background: #fff; }
.ml-journal-card h2 { margin: 12px 0 8px; font-size: 21px; line-height: 1.35; }
.ml-journal-card h2 a { color: var(--ml-deep); text-decoration: none; }
.ml-journal-card h2 a:hover { color: var(--ml-blue); }
.ml-journal-card p { flex: 1; margin: 0 0 18px; color: var(--ml-muted); font-size: 15px; line-height: 1.6; }
.ml-journal-read { color: var(--ml-blue); font-size: 14px; font-weight: 700; text-decoration: none; }
.ml-pagination { display: flex; justify-content: center; margin: 34px 0 10px; }
.ml-pagination ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.ml-pagination li a, .ml-pagination li span { display: block; padding: 9px 12px; border: 1px solid var(--ml-line); color: var(--ml-blue); text-decoration: none; }
.ml-pagination li.selected span { border-color: var(--ml-blue); background: var(--ml-blue); color: #fff; }
.ml-pagination li.disabled span { color: #91a1b3; }
.ml-home-journal { margin-top: 54px; }
.ml-home-journal-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ml-article-body { color: #263d57; }
.ml-article-body h2 { margin: 38px 0 14px; font-size: 25px; line-height: 1.3; }
.ml-article-body h3 { color: var(--ml-deep); }
.ml-article-body ul, .ml-article-body ol { padding-left: 26px; margin: 16px 0 24px; }
.ml-article-body li { margin: 8px 0; padding-left: 3px; font-size: 16px; line-height: 1.75; }
.ml-article-body .ml-example { margin: 22px 0; padding: 18px 22px; border: 1px solid #d8e7f7; border-left: 4px solid var(--ml-mid); border-radius: 3px; background: #f6faff; }
.ml-article-body .ml-example p { margin: 0; font-size: 16px; line-height: 1.75; }
.ml-article-body .ml-example-label { display: block; margin-bottom: 7px; color: var(--ml-blue); font-size: 14px; }
.ml-article-body .ml-answer { margin: 22px 0; padding: 16px 20px; border: 1px solid #cde9dc; border-radius: 3px; background: #f1faf5; }
.ml-article-body .ml-answer p { margin: 0; font-size: 15px; line-height: 1.75; }
.ml-article-body .ml-answer-label { display: block; margin-bottom: 5px; color: #176743; }
.ml-article-body .ml-math { display: inline-block; margin: 0 2px; padding: 1px 6px; border-radius: 3px; background: #e8f1ff; color: #123f91; font-family: "Cambria Math", Cambria, Georgia, serif; font-size: .98em; white-space: normal; }
.ml-article-body .ml-formula-block { overflow-wrap: anywhere; margin: 18px 0; padding: 13px 17px; border: 1px solid #c9daf4; border-radius: 3px; background: #eef5ff; color: #123f91; font-family: "Cambria Math", Cambria, Georgia, serif; font-size: 18px; line-height: 1.7; }
.ml-article-back { margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--ml-line); }
.ml-article-back a { color: var(--ml-blue); font-weight: 700; text-decoration: none; }
.ml-article-page { max-width: none; }
.ml-article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
.ml-article-layout .ml-article { max-width: 790px; min-width: 0; }
.ml-article-sidebar { display: grid; gap: 18px; }
.ml-article-sidebar .ml-sidebar-section { padding: 18px; }
.ml-article-sidebar .ml-sidebar-section h2 { display: flex; align-items: center; gap: 9px; font-size: 18px; line-height: 1.35; }
.ml-sidebar-icon { flex: 0 0 22px; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ml-article-sidebar .ml-sidebar-list li { font-size: 14px; }
.ml-article-sidebar .ml-sidebar-journal { border-top-color: var(--ml-blue); background: #f2f7ff; }
.ml-article-sidebar .ml-sidebar-calcs { border-top-color: #1595b8; background: #effafd; }
.ml-article-sidebar .ml-sidebar-calcs h2 { color: #126780; }
.ml-article-sidebar .ml-sidebar-calcs .ml-sidebar-list a,
.ml-article-sidebar .ml-sidebar-calcs .ml-sidebar-all { color: #087895; }
.ml-article-sidebar .ml-sidebar-tests { border-top-color: #31875a; background: #f0f8f2; }
.ml-article-sidebar .ml-sidebar-tests h2 { color: #246b45; }
.ml-article-sidebar .ml-sidebar-tests .ml-sidebar-list a,
.ml-article-sidebar .ml-sidebar-tests .ml-sidebar-all { color: #267448; }
.ml-sidebar-empty { margin: 0; color: var(--ml-muted); font-size: 14px; }
@media (max-width: 900px) {
    .ml-article-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; }
}
@media (max-width: 767px) {
    .ml-article-layout { grid-template-columns: 1fr; }
    .ml-article-layout .ml-article { max-width: none; }
    .ml-article-sidebar { grid-template-columns: 1fr; }
    .ml-journal-grid, .ml-home-journal-cards { grid-template-columns: 1fr; }
    .ml-journal-card { padding: 20px; }
    .ml-article-body h2 { font-size: 22px; }
    .ml-article-body .ml-example, .ml-article-body .ml-answer { padding: 15px; }
}
.ml-article-body .ml-answer ol, .ml-article-body .ml-answer ul { margin: 8px 0 0; }
.ml-article-body .ml-answer li { font-size: 15px; }
.ml-note-title { display: flex; align-items: center; gap: 10px; }
.ml-note-icon { flex: 0 0 26px; width: 26px; height: 26px; fill: none; stroke: var(--ml-blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ml-back-to-top { position: fixed; z-index: 20; right: 24px; bottom: 24px; display: grid; width: 52px; height: 52px; place-items: center; border: 1px solid #ffffff80; border-radius: 50%; background: var(--ml-blue); box-shadow: 0 6px 20px #12376535; color: #fff; transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease; }
.ml-back-to-top:hover, .ml-back-to-top:focus-visible { transform: translateY(-3px); background: var(--ml-deep); box-shadow: 0 9px 24px #12376545; color: #fff; text-decoration: none; }
.ml-back-to-top:focus-visible { outline: 3px solid #38bafe; outline-offset: 3px; }
.ml-back-to-top svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 767px) { .ml-back-to-top { right: 16px; bottom: 16px; width: 46px; height: 46px; } }

/* Individual test */
.ml-test-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
.ml-test-content { min-width: 0; }
.ml-test-intro { padding: 28px 32px 30px; border-left: 4px solid var(--ml-blue); background: linear-gradient(120deg, #eef6ff, #f8fbff 65%, #eaf7ff); }
.ml-test-intro h1 { margin: 10px 0 15px; font-size: clamp(30px, 3.5vw, 43px); overflow-wrap: anywhere; }
.ml-test-intro .ml-lead { margin: 0; font-size: 17px; line-height: 1.65; }
.ml-test-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.ml-test-meta span { padding: 6px 11px; border: 1px solid #cbdff4; border-radius: 3px; background: #fff; color: var(--ml-deep); font-size: 12px; font-weight: 700; }
.ml-test-guide { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 26px; margin: 26px 0 42px; padding: 27px 30px; border-radius: 4px; background: linear-gradient(135deg, #103562, #15539a); color: #fff; }
.ml-test-guide .ml-overline { color: #9ddcff; }
.ml-test-guide h2 { margin: 8px 0 10px; color: #fff; font-size: 24px; }
.ml-test-guide-heading p { margin: 0; color: #d9e9fa; font-size: 14px; line-height: 1.6; }
.ml-test-guide ol { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.ml-test-guide li { display: flex; align-items: start; gap: 12px; padding: 11px 13px; border: 1px solid #ffffff24; border-radius: 3px; background: #ffffff12; }
.ml-test-guide li span { color: #9ddcff; font-size: 12px; font-weight: 800; line-height: 1.6; }
.ml-test-guide li p { margin: 0; color: #f1f7ff; font-size: 13px; line-height: 1.5; }
.ml-test-form-heading { margin-bottom: 18px; }
.ml-test-form-heading h2 { margin: 7px 0 0; font-size: 27px; }
.ml-test-form .test-question-container { margin-bottom: 16px; padding: 23px 25px 25px; border: 1px solid var(--ml-line); border-top: 3px solid var(--ml-blue); background: #fff; box-shadow: 0 7px 22px #15395d0a; }
.ml-test-question-head { display: flex; gap: 16px; align-items: start; margin-bottom: 17px; }
.ml-test-question-number { display: grid; flex: 0 0 38px; width: 38px; height: 38px; place-items: center; border-radius: 4px; background: var(--ml-pale); color: var(--ml-blue); font-size: 14px; font-weight: 800; }
.ml-test-question-caption { color: var(--ml-mid); font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.ml-test-form .question { margin: 5px 0 0; color: var(--ml-deep); font-size: 18px; font-weight: 700; line-height: 1.5; overflow-wrap: anywhere; }
.ml-test-form .answer-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.ml-test-form .answer { margin: 0; }
.ml-test-form .answer-label { display: flex; align-items: flex-start; gap: 11px; margin: 0; padding: 12px 14px; border: 1px solid #dce7f2; border-radius: 3px; background: #f9fbfe; color: #344c66; font-size: 15px; font-weight: 400; line-height: 1.5; cursor: pointer; transition: border-color .15s, background-color .15s; }
.ml-test-form .answer-label:hover { border-color: #92b9ee; background: #f1f7ff; }
.ml-test-form .answer-label:has(.answer-input:checked) { border-color: var(--ml-blue); background: #ecf4ff; color: var(--ml-deep); }
.ml-test-form .answer-label:has(.answer-input:focus-visible) { outline: 3px solid #76caff; outline-offset: 2px; }
.ml-test-form .answer-input { flex: 0 0 auto; margin: 3px 0 0; accent-color: var(--ml-blue); }
.ml-test-form .answer-label span { min-width: 0; overflow-wrap: anywhere; }
.ml-test-form .test-submit-block { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; margin-top: 24px; padding: 21px 24px; background: var(--ml-pale); }
.ml-test-form .test-submit-block p { margin: 0; color: var(--ml-deep); font-size: 15px; font-weight: 700; }
.ml-test-submit { display: inline-flex; align-items: center; justify-content: space-between; gap: 25px; min-height: 45px; padding: 11px 18px; border: 1px solid var(--ml-blue); border-radius: 3px; background: var(--ml-blue); color: #fff; font-weight: 700; }
.ml-test-submit:hover { border-color: var(--ml-deep); background: var(--ml-deep); }
.ml-test-submit:focus-visible { outline: 3px solid #76caff; outline-offset: 3px; }
.ml-test-sidebar .ml-sidebar-section h2 { align-items: flex-start; }
@media (max-width: 900px) { .ml-test-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; } }
@media (max-width: 767px) {
    .ml-test-layout { grid-template-columns: 1fr; gap: 34px; }
    .ml-test-intro { padding: 23px 20px; }
    .ml-test-guide { grid-template-columns: 1fr; gap: 18px; margin-bottom: 32px; padding: 23px 20px; }
    .ml-test-form .test-question-container { padding: 19px 16px 20px; }
    .ml-test-form .test-submit-block { padding: 18px; }
    .ml-test-sidebar { grid-template-columns: 1fr; }
}

/* Test result */
.ml-result-card { margin-top: 26px; padding: clamp(24px, 4vw, 38px); border: 1px solid var(--ml-line); border-top: 4px solid var(--ml-blue); background: #fff; box-shadow: 0 10px 30px #15395d0b; }
.ml-result-card h2 { margin: 10px 0 20px; color: var(--ml-deep); font-size: clamp(26px, 3vw, 34px); line-height: 1.2; }
.ml-result-score { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; margin: 16px 0; padding: 20px 23px; background: var(--ml-pale); color: var(--ml-deep); }
.ml-result-score strong { font-size: clamp(42px, 5vw, 58px); line-height: 1; letter-spacing: -.04em; }
.ml-result-score strong span { color: var(--ml-muted); font-size: 24px; font-weight: 400; letter-spacing: 0; }
.ml-result-score p { margin: 0; color: var(--ml-muted); font-size: 15px; }
.ml-result-note, .ml-result-card-error > p { max-width: 630px; margin: 18px 0 24px; color: #425b75; font-size: 16px; line-height: 1.7; }
.ml-result-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.ml-result-primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 45px; padding: 11px 18px; border-radius: 3px; background: var(--ml-blue); color: #fff; font-weight: 700; text-decoration: none; }
.ml-result-primary:hover, .ml-result-primary:focus-visible { background: var(--ml-deep); color: #fff; text-decoration: none; }
.ml-result-secondary { color: var(--ml-blue); font-weight: 700; text-decoration: none; }
.ml-result-secondary:hover { color: var(--ml-deep); text-decoration: underline; }
.ml-result-primary:focus-visible, .ml-result-secondary:focus-visible { outline: 3px solid #76caff; outline-offset: 3px; }
.ml-result-level-4, .ml-result-level-5 { border-top-color: #31875a; }
.ml-result-level-4 .ml-result-score, .ml-result-level-5 .ml-result-score { background: #f0f8f2; }
.ml-result-card-error { border-top-color: #d69a38; }
.ml-result-card-error .ml-overline { color: #946218; }
@media (max-width: 767px) { .ml-result-card { padding: 22px 20px; } .ml-result-score { padding: 17px; } }