/* REPETITOR · DTM preparation design system */
:root { --font-display:'IBM Plex Sans',system-ui,sans-serif; --font-body:'IBM Plex Sans',system-ui,sans-serif; --r-lg:18px; --r-xl:24px; }
:root:not(.dark) {
 --canvas:#f5f7fb;--canvas-2:#f9fafc;--surface:#fff;--surface-2:#f7f9fd;--surface-3:#edf2ff;--surface-4:#e5ebf6;--nav-bg:#fff;--surface-glass:rgba(255,255,255,.96);
 --line:#e6ebf2;--line-2:#d7dfeb;--line-3:#c2cddd;--t1:#172943;--t2:#33465f;--t3:#4e6078;--t4:#63738a;--t5:#6b7b92;--t6:#8290a5;
 --accent:#2557df;--accent-ink:#2557df;--accent-solid:#2557df;--accent-deep:#1945bd;--accent-soft:#edf2ff;--accent-soft-2:#e0e9ff;--accent-line:#c8d6ff;
 --ok:#087f68;--ok-soft:#e7f6f0;--ok-line:#bce7d9;--warn:#94600c;--warn-soft:#fff5de;--warn-line:#f0d69b;--bad:#b93243;--bad-pure:#d33b50;--bad-soft:#fff0f1;--bad-line:#f2cad0;
 --invert-bg:#2557df;--invert-fg:#fff;--solid-dark:#152d50;--grad-hero:linear-gradient(120deg,#173566,#214b86);--grad-brand:linear-gradient(120deg,#2557df,#3269e6);
 --shadow-sm:0 2px 6px #162e5010;--shadow-md:0 8px 26px #162e500d;--shadow-lg:0 16px 48px #162e5017;--shadow-brand:0 7px 18px #2557df26;color-scheme:light;
}
:root.dark {--canvas:#0d1728;--canvas-2:#101c2f;--surface:#142238;--surface-2:#182941;--surface-3:#1d3456;--surface-4:#253a57;--nav-bg:#111e32;--surface-glass:rgba(20,34,56,.96);--line:#2a3a52;--line-2:#384961;--t1:#edf3fc;--t2:#d0dceb;--t3:#b3c4db;--t4:#9badc6;--t5:#8da2bf;--accent:#82aaff;--accent-ink:#9cbcff;--accent-soft:#233b64;--accent-solid:#366be8;--invert-bg:#386cec;--invert-fg:#fff;--ok:#6ed3b0;--ok-soft:#193d39;--warn:#edc37e;--warn-soft:#3c3222;--bad:#ff9daa;--bad-soft:#462c39;--grad-hero:linear-gradient(120deg,#203e6a,#193457);}
body{font-family:var(--font-body);letter-spacing:0;background:var(--canvas);color:var(--t1)}
button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #628bff!important;outline-offset:3px}
.nxa-btn{min-height:46px;border-radius:12px;font-size:14px;font-weight:600;letter-spacing:0;box-shadow:none}
.nxa-btn-primary{background:var(--accent-solid)!important;color:#fff!important;box-shadow:var(--shadow-brand)}
.nxa-input{min-height:48px;border-radius:12px;background:var(--surface);font-size:15px}
.nxa-card{box-shadow:var(--shadow-sm);border-color:var(--line);border-radius:18px}
.nxa-card-dashed{border:1px dashed var(--line-2);border-radius:18px;background:var(--surface)}
.nxa-kicker{font-family:var(--font-body);font-weight:600;font-size:11px;letter-spacing:.09em;color:var(--t4)}
.nxa-mono{font-family:var(--font-body);font-variant-numeric:tabular-nums}
#root>div.flex.h-screen>aside{width:252px}
#root>div.flex.h-screen>aside nav{padding:16px 14px}
#root>div.flex.h-screen>aside nav>button{min-height:48px!important;border-radius:12px;margin-bottom:5px;gap:13px}
#root>div.flex.h-screen>aside nav>button>span:first-child{display:none}
#root>div.flex.h-screen>aside nav>button[aria-current=page]{background:var(--accent-soft)!important;color:var(--accent-ink)!important;font-weight:600;box-shadow:inset 3px 0 var(--accent-solid)}
#root>div.flex.h-screen>aside nav>button:hover:not([aria-current]){background:var(--surface-2)!important;color:var(--t1)!important}
#root>div.flex.h-screen>aside nav>button>span:last-child{font-size:14px}
#root>div.flex.h-screen>aside h1{font-size:17px;letter-spacing:.04em}
#root>div.flex.h-screen>aside .nxa-mono{letter-spacing:.045em}
#root>div.flex.h-screen>main>header{min-height:78px;padding-left:34px;padding-right:34px}
.dtm-header-title{display:flex;flex-direction:column;gap:3px}.dtm-header-title strong{font-size:15px;font-weight:600;color:var(--t1)}.dtm-header-title small{font-size:11px;color:var(--t4)}
#nxa-scroll{padding:30px 34px 40px}#nxa-scroll>div{max-width:1160px;overflow:visible}
.nxa-mobile-nav-item{border-radius:10px}.nxa-mobile-nav-item[aria-current=page]{color:var(--accent-ink)!important;background:var(--accent-soft)}
.dtm-home{font-size:14px;line-height:1.5;--dtm-cobalt:#2557df;--dtm-teal:#07836d;--dtm-amber:#946013}
.dtm-home h1,.dtm-home h2,.dtm-home h3,.dtm-home p{margin:0}.dtm-home button{font-family:inherit}
.dtm-page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.dtm-eyebrow{font-size:10px;font-weight:700;letter-spacing:.13em;color:var(--t4);margin-bottom:9px!important}.dtm-page-heading h1{font-size:29px;font-weight:650;letter-spacing:-.8px;line-height:1.25}.dtm-page-heading p:not(.dtm-eyebrow){color:var(--t4);margin-top:7px;font-size:14px}.dtm-wave{font-size:23px;color:#dfad45;margin-left:7px}
.dtm-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--t3);white-space:nowrap}.dtm-status>span{width:7px;height:7px;background:#169e7f;border-radius:50%;box-shadow:0 0 0 4px #169e7f12}
.dtm-hero{display:grid;grid-template-columns:1.3fr .8fr;align-items:center;min-height:325px;border-radius:22px;background:#163966;color:#fff;position:relative;overflow:hidden;isolation:isolate}.dtm-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 90% 20%,#3767a870,transparent 60%);z-index:-1}.dtm-hero-copy{padding:37px 40px;position:relative;z-index:1}.dtm-hero-label{display:inline-flex;align-items:center;gap:8px;border:1px solid #ffffff30;background:#ffffff09;padding:6px 10px;border-radius:7px;font-size:10px;letter-spacing:.12em;font-weight:600;color:#d5e5ff}.dtm-hero h2{font-size:34px;font-weight:600;letter-spacing:-1px;line-height:1.23;margin:19px 0 14px}.dtm-hero h2 em{font-style:normal;color:#bcebdc}.dtm-hero-copy>p{max-width:390px;color:#c2d2e8;font-size:13px;line-height:1.75}.dtm-primary{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:48px;padding:0 20px;border:0;border-radius:11px;background:#fff;color:#173963;font-size:13px;font-weight:650;margin-top:23px;transition:transform .2s,box-shadow .2s}.dtm-primary:hover{transform:translateY(-2px);box-shadow:0 6px 18px #071a3f30}.dtm-hero-note{display:flex;align-items:center;gap:6px;font-size:10px;color:#bdd2ed;margin-top:12px}
.dtm-hero-visual{position:relative;display:flex;align-items:center;justify-content:center;height:310px;padding-right:35px}.dtm-orbit{position:absolute;width:290px;height:290px;border:1px solid #d8eaff20;border-radius:50%}.dtm-orbit::after{content:'';position:absolute;inset:25px;border:1px solid #d8eaff20;border-radius:50%}.dtm-paper{position:relative;width:202px;background:#fff;color:#173354;border-radius:15px;padding:21px;transform:rotate(7deg);box-shadow:14px 16px 0 #ffffff08,0 15px 40px #081d4430}.dtm-paper-head{display:flex;justify-content:space-between;font-size:7px;letter-spacing:1px;font-weight:700;color:#647b97;border-bottom:1px solid #e4ebf5;padding-bottom:12px}.dtm-paper h3{font-size:20px;line-height:1.2;letter-spacing:-.5px;margin:16px 0}.dtm-omr>div{display:flex;align-items:center;justify-content:space-between;margin:8px 0}.dtm-omr b{font-size:9px;font-weight:500;color:#91a0b2}.dtm-omr span{display:grid;place-items:center;width:21px;height:21px;border-radius:50%;border:1px solid #cbd6e5;color:#8d9db3;font-size:8px}.dtm-omr span.filled{background:#2557df;border-color:#2557df;color:#fff}.dtm-paper-foot{display:flex;align-items:end;justify-content:space-between;border-top:1px solid #e4ebf5;margin-top:15px;padding-top:12px;gap:10px}.dtm-paper-foot>span{font-size:7px;letter-spacing:.7px;max-width:60px;color:#7587a0}.dtm-paper-foot strong{font-size:29px;line-height:1;color:#153a67}.dtm-paper-foot small{font-size:10px;font-weight:500}.dtm-floating-check{display:flex;align-items:center;gap:9px;position:absolute;bottom:15px;left:12px;z-index:2;background:#e5f7ee;color:#087554;font-size:10px;font-weight:600;padding:11px 15px;border-radius:10px;transform:rotate(-4deg);box-shadow:0 8px 20px #081d4420}
.dtm-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 26px}.dtm-facts>div{display:flex;align-items:center;gap:14px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.dtm-fact-icon{width:45px;height:45px;display:grid;place-items:center;border-radius:12px;flex-shrink:0}.cobalt{background:var(--accent-soft);color:var(--accent-ink)}.teal{background:var(--ok-soft);color:var(--ok)}.amber{background:var(--warn-soft);color:var(--warn)}.dtm-facts strong{font-size:24px;letter-spacing:-.7px;font-weight:650;line-height:1.2;color:var(--t1)}.dtm-facts strong small{font-size:12px;font-weight:500;letter-spacing:0;color:var(--t3)}.dtm-facts p{font-size:10px;color:var(--t4);margin-top:4px}
.dtm-content-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.dtm-panel{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:25px}.dtm-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.dtm-panel-heading h2,.dtm-how h2{font-size:18px;font-weight:600;letter-spacing:-.4px;color:var(--t1)}.dtm-panel-heading .dtm-eyebrow{font-size:9px;margin-bottom:7px!important}.dtm-panel-heading>svg{color:var(--t5)}.dtm-count-chip{font-size:10px;border:1px solid var(--line);padding:5px 8px;border-radius:7px;color:var(--t4);white-space:nowrap}.dtm-block-row{display:flex;align-items:center;gap:13px;padding:16px 0;border-top:1px solid var(--line)}.dtm-block-number{width:37px;height:39px;display:grid;place-items:center;flex-shrink:0;font-size:12px;font-weight:700;border-radius:9px}.dtm-block-name{flex:1;min-width:0}.dtm-block-name h3{font-size:13px;font-weight:600;color:var(--t1)}.dtm-block-name p{font-size:11px;color:var(--t4);margin-top:3px}.dtm-block-name>span{font-size:10px;color:var(--t3);display:block;margin-top:5px}.dtm-block-score{text-align:right;flex-shrink:0}.dtm-block-score strong{display:block;font-size:20px;line-height:1.2;font-weight:600;color:var(--t1)}.dtm-block-score span{font-size:9px;color:var(--t5)}.dtm-panel-footnote{font-size:10px;color:var(--t4);border-top:1px solid var(--line);padding-top:13px}
.dtm-last-result{display:flex;flex-direction:column}.dtm-result-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:10px 10px 20px}.dtm-result-empty>span{display:grid;place-items:center;width:68px;height:68px;border-radius:20px;background:var(--surface-2);color:#8096b3;border:1px solid var(--line);margin-bottom:18px}.dtm-result-empty h3{font-size:15px;font-weight:600;color:var(--t2)}.dtm-result-empty p{font-size:12px;color:var(--t4);line-height:1.8;max-width:275px;margin-top:8px}.dtm-text-button{display:inline-flex;align-items:center;gap:8px;background:none;border:0;color:var(--accent-ink);font-size:11px;font-weight:600;min-height:44px;margin-top:7px}.dtm-score-display strong{font-size:48px;font-weight:600;letter-spacing:-2px;color:var(--accent-ink)}.dtm-score-display>span{font-size:13px;color:var(--t4);margin-left:8px}.dtm-result-caption{font-size:11px;color:var(--t4)}.dtm-result-bars{margin-top:20px;display:grid;gap:13px}.dtm-result-bars>div>div{display:flex;justify-content:space-between;font-size:10px;color:var(--t3);margin-bottom:6px}.dtm-result-bars b{font-weight:500}.dtm-result-bars progress{width:100%;height:6px;border:0;border-radius:5px;overflow:hidden;display:block;background:var(--surface-3)}progress::-webkit-progress-bar{background:var(--surface-3)}progress::-webkit-progress-value{background:var(--accent-solid);border-radius:5px}.dtm-device-note{font-size:9px;color:var(--t5);margin-top:17px!important}
.dtm-how{padding:29px 0 23px}.dtm-how>div{margin-bottom:20px}.dtm-how ol{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0;padding:0;list-style:none}.dtm-how li{display:flex;align-items:flex-start;gap:12px}.dtm-how li>span{flex-shrink:0;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--surface);border:1px solid var(--line-2);font-size:10px;color:var(--accent-ink);font-weight:600}.dtm-how h3{font-size:12px;font-weight:600;color:var(--t2);margin:3px 0 6px}.dtm-how li p{font-size:11px;line-height:1.75;color:var(--t4)}
.dtm-bottom-links{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dtm-bottom-links button{display:flex;align-items:center;gap:14px;text-align:left;border:1px solid var(--line);background:var(--surface);padding:18px;border-radius:14px;color:var(--t3);transition:border .2s}.dtm-bottom-links button:hover{border-color:var(--accent-line)}.dtm-bottom-links button>span{flex:1}.dtm-bottom-links strong{display:block;font-weight:600;font-size:12px;color:var(--t1)}.dtm-bottom-links small{display:block;font-size:10px;color:var(--t4);margin-top:4px}.dtm-bottom-links button>svg:first-child{color:var(--accent-ink)}.dtm-disclaimer{font-size:10px;color:var(--t5);text-align:center;margin-top:27px!important}
/* Authentication: educational identity, unchanged secure form. */
.dtm-login{display:grid!important;grid-template-columns:1fr 440px;gap:70px;max-width:1120px;margin:auto;padding:60px 30px!important;min-height:100svh}.dtm-login>.absolute{display:none}.dtm-login>.w-full{max-width:440px}.dtm-login .nxa-card{padding:34px;border-radius:20px;box-shadow:0 18px 50px #1535660b}.dtm-login h1{letter-spacing:.04em!important}.dtm-login form{margin-top:24px}.dtm-login .nxa-segment{padding:5px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px}.dtm-login .nxa-segment>button{min-height:40px;font-size:13px}.dtm-login .nxa-segment>button[data-active=true]{background:var(--surface)!important;color:var(--accent-ink)!important;box-shadow:0 1px 4px #162e5012}.dtm-login label{font-size:12px}.dtm-login .nxa-kicker{letter-spacing:.05em}.dtm-login-story{padding:15px 0;position:relative}.dtm-login-story .dtm-eyebrow{color:var(--accent-ink);font-size:11px}.dtm-login-story h2{font-size:44px;font-weight:600;letter-spacing:-1.8px;line-height:1.15;margin:20px 0;color:var(--t1)}.dtm-login-story h2 em{font-style:normal;color:var(--accent-ink)}.dtm-login-story>p{font-size:15px;line-height:1.9;color:var(--t4);max-width:390px}.dtm-login-features{display:flex;flex-wrap:wrap;gap:11px;margin-top:26px}.dtm-login-features span{border:1px solid var(--line-2);padding:7px 10px;border-radius:8px;font-size:11px;color:var(--t3);background:var(--surface)}.dtm-login-art{margin-top:38px;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:18px;max-width:375px;transform:rotate(-2deg);box-shadow:10px 12px 0 var(--surface-3)}.dtm-login-art>div:first-child{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--t4)}.dtm-login-art strong{font-weight:600;color:var(--t1)}.dtm-login-art .dtm-omr{margin:18px 0 4px}.dtm-login-art .dtm-omr>div{gap:15px;justify-content:flex-start}.dtm-login-art .dtm-omr span{width:28px;height:28px;font-size:10px}.dtm-login-art .dtm-omr b{min-width:18px}.dtm-login-story>small{display:block;font-size:10px;color:var(--t5);margin-top:32px}
@media(min-width:1400px){.dtm-hero h2{font-size:40px}.dtm-hero-copy{padding:42px}.dtm-hero{min-height:350px}}
@media(max-width:1100px){.dtm-hero-copy{padding:28px}.dtm-hero h2{font-size:30px}.dtm-hero-visual{padding-right:15px}.dtm-facts>div{padding:16px 13px;gap:10px}.dtm-facts strong{font-size:22px}.dtm-facts p{font-size:9px}.dtm-fact-icon{width:38px;height:40px}.dtm-panel{padding:20px}.dtm-login{gap:40px;padding:35px!important}.dtm-login-story h2{font-size:37px}}
@media(max-width:1023px){#root>div.flex.h-screen>aside{width:272px}#root>div.flex.h-screen>main>header{min-height:65px;padding:10px 18px}.dtm-header-title{display:none}#nxa-scroll{padding:23px 20px 110px}.dtm-page-heading h1{font-size:25px}.dtm-hero{min-height:300px}.dtm-login{grid-template-columns:1fr 400px;gap:25px}.dtm-login-story h2{font-size:33px}.dtm-login .nxa-card{padding:28px}}
@media(max-width:760px){.dtm-login{display:block!important;max-width:480px;min-height:100svh;padding:26px 20px!important}.dtm-login-story{padding:8px 5px 21px}.dtm-login-story h2{font-size:28px;line-height:1.2;letter-spacing:-.8px;margin:12px 0}.dtm-login-story h2 br{display:block}.dtm-login-story>p{font-size:12px;line-height:1.65}.dtm-login-art,.dtm-login-story>small,.dtm-login-features{display:none}.dtm-login>.w-full{max-width:none}.dtm-login .nxa-card{padding:24px}.dtm-login .nxa-card>div:first-child{margin-bottom:22px}.dtm-login .nxa-card>h2{font-size:21px}}
@media(max-width:640px){.dtm-page-heading{margin-bottom:18px;gap:8px}.dtm-page-heading h1{font-size:25px}.dtm-page-heading p:not(.dtm-eyebrow){font-size:12px}.dtm-status{display:none}.dtm-eyebrow{font-size:9px}.dtm-hero{grid-template-columns:1fr;min-height:auto;border-radius:18px}.dtm-hero-copy{padding:27px 25px}.dtm-hero h2{font-size:30px;line-height:1.2}.dtm-hero-copy>p{font-size:12px;max-width:310px}.dtm-hero-visual{display:none}.dtm-primary{width:100%;justify-content:space-between;margin-top:22px;min-height:49px}.dtm-hero-note{justify-content:center;font-size:9px}.dtm-facts{gap:8px;margin:14px 0 20px}.dtm-facts>div{padding:13px 9px;display:block;text-align:center;border-radius:12px}.dtm-fact-icon{display:none}.dtm-facts strong{font-size:24px;display:block;line-height:1.2}.dtm-facts strong small{display:block;font-size:10px;margin-top:5px}.dtm-facts p{display:none}.dtm-content-grid{grid-template-columns:1fr;gap:16px}.dtm-panel{padding:22px}.dtm-panel-heading h2{font-size:18px}.dtm-block-row{padding:17px 0}.dtm-block-name h3{font-size:13px}.dtm-result-empty{padding:12px 4px}.dtm-how{padding:24px 3px}.dtm-how ol{grid-template-columns:1fr;gap:18px}.dtm-how h3{font-size:13px}.dtm-how li p{font-size:12px}.dtm-bottom-links{grid-template-columns:1fr;gap:10px}.dtm-bottom-links button{padding:17px}.dtm-disclaimer{font-size:9px;line-height:1.7;margin-top:20px!important}#nxa-scroll{padding:20px 16px 110px}.dtm-score-display strong{font-size:43px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

:root.dark .nxa-mobile-nav-item.is-active{color:var(--accent-ink)!important;background:var(--accent-soft)}