/* Test Trainer — Retro Pop. A light study surface inside a colorful arcade frame. */
:root{--ink:#20203b;--muted:#585869;--paper:#fff9ee;--surface:#fffdf8;--line:#d6d0c6;--green:#5734c5;--lime:#eee5ff;--violet:#6340d8;--cyan:#68eee7;--pink:#ff77b5;--yellow:#ffe36b;--coral:#ff8b75;--shadow:5px 5px 0 var(--ink)}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:#4b26a7;text-underline-offset:4px;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #087b85;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,5vw,62px);line-height:1.08;letter-spacing:-2px;margin:14px 0 24px;font-weight:800}h1 em{font-style:normal;color:var(--violet)}h2{font-size:28px;line-height:1.18;letter-spacing:-.8px}h3{font-size:21px;line-height:1.25;letter-spacing:-.4px}button,a,.card,.field{overflow-wrap:anywhere}header{position:sticky;top:0;z-index:40;height:76px;background:var(--ink);border-bottom:2px solid var(--ink)}.nav-shell{max-width:1240px;height:100%;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{flex:none;display:flex;justify-content:center;align-items:center;width:106px;height:62px;background:white;border-radius:7px;border:2px solid white}.brand-logo{display:block;width:96px;height:56px;overflow:hidden}nav{display:flex;gap:clamp(12px,1.5vw,22px);height:100%;align-items:center}nav a{color:#f8f6ff;font-size:13px;font-weight:600;white-space:nowrap;min-height:44px;display:flex;align-items:center;border-bottom:3px solid transparent}nav a.active{color:var(--cyan);border-color:var(--cyan)}nav a:hover{color:var(--yellow);text-decoration:none}.menu-toggle{display:none}.product-bar{background:var(--yellow);border-bottom:2px solid var(--ink)}.product-bar>div{max-width:1240px;margin:auto;padding:12px 24px;display:flex;align-items:center;gap:20px}.product-bar a:first-child{font-weight:800;color:var(--ink);font-size:18px;white-space:nowrap}.product-bar span{margin-left:auto;font-size:13px}.sound-toggle{border:1px solid #20203b55;background:transparent;border-radius:6px;padding:10px;color:var(--ink);font-size:13px;white-space:nowrap}.small-cta{background:var(--ink);color:white;padding:11px 17px;border-radius:6px;font-size:14px;font-weight:700;white-space:nowrap}.small-cta:hover{background:#39385c;text-decoration:none}main{max-width:1200px;margin:auto;padding:40px 30px 80px;min-height:70vh}.hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:40px;align-items:center;position:relative;background:var(--ink);color:white;border:2px solid var(--ink);border-radius:22px;padding:52px 44px;margin-bottom:32px;box-shadow:7px 7px 0 var(--pink);isolation:isolate}.hero-copy{min-width:0}.hero-kicker{color:var(--cyan);font:700 12px/1.5 ui-monospace,Consolas,monospace;letter-spacing:2px;margin-bottom:25px}.hero-kicker span{color:var(--pink)}.hero h1{font-size:clamp(42px,5.4vw,65px);line-height:1.06;letter-spacing:-2.6px;margin:0 0 25px}.hero h1 em{color:var(--yellow)}.hero .intro{color:#e0dfea;font-size:19px;line-height:1.55;margin-bottom:28px;max-width:540px}.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.hero-actions>a{color:var(--cyan);font-size:16px;font-weight:600}.hero-actions .primary{background:var(--pink);box-shadow:4px 4px 0 #fff;color:var(--ink)}.hero-caption{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:28px;color:#e0dfea;font:12px/1.6 ui-monospace,monospace}.hero-caption span{display:inline-block}.hero-caption span:before{content:'●';font-size:8px;color:var(--cyan);margin-right:7px}.hero-console{position:relative;transform:rotate(3deg);background:#c6b5f0;border:3px solid #111127;border-radius:16px;padding:16px;box-shadow:8px 9px 0 #0c0c20;max-width:330px;justify-self:center;width:100%}.console-top{display:flex;align-items:center;gap:5px;margin-bottom:12px;color:var(--ink);font:700 10px/1 ui-monospace,monospace}.console-top span{margin-right:auto}.console-top i{width:7px;height:7px;border-radius:50%;background:var(--ink)}.console-screen{border:3px solid var(--ink);background:#152d36;background-image:linear-gradient(#5cf2e30d 1px,transparent 1px),linear-gradient(90deg,#5cf2e30d 1px,transparent 1px);background-size:20px 20px;border-radius:8px;padding:22px;text-align:center;color:var(--cyan)}.console-level,.console-screen-bottom{font:700 10px/1.5 ui-monospace,monospace;letter-spacing:1px}.console-screen strong{display:block;font:900 88px/1.1 ui-monospace,monospace;color:var(--yellow);text-shadow:4px 4px #8d4a81;margin:12px 0}.console-screen strong span{display:block;font:700 13px/1.5 ui-monospace,monospace;color:white;text-shadow:none;letter-spacing:2px}.console-bars{display:flex;gap:4px;justify-content:center;margin:20px 0}.console-bars i{width:17px;height:8px;background:var(--cyan)}.console-bars i:nth-last-child(-n+3){background:#537773}.console-controls{display:flex;align-items:center;justify-content:flex-end;gap:14px;height:68px}.console-cross{margin-right:auto;color:var(--ink);font-size:47px;line-height:1}.console-button{width:29px;height:29px;border:2px solid var(--ink);border-radius:50%;background:var(--yellow);box-shadow:2px 3px 0 var(--ink)}.console-button.pink{background:var(--pink);margin-top:16px}.console-sticker{position:absolute;right:-20px;top:-23px;background:var(--pink);color:var(--ink);padding:10px 15px;border:2px solid var(--ink);font:900 14px/1 ui-monospace,monospace;transform:rotate(9deg)}
.intro{font-size:19px;color:var(--muted);max-width:700px;line-height:1.6;margin-bottom:30px}.eyebrow{font:700 12px/1.6 ui-monospace,monospace;letter-spacing:1px;text-transform:uppercase;color:#5a3c8c}.sub{font-size:16px;color:var(--muted);line-height:1.6}.fine{font-size:14px;color:var(--muted);line-height:1.6}.card{background:var(--surface);border:2px solid var(--ink);border-radius:13px;padding:30px;box-shadow:var(--shadow);min-width:0}.card-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.card-head h2{margin-bottom:8px}.tag{font:700 11px/1.5 ui-monospace,monospace;letter-spacing:.5px;display:inline-block;background:var(--cyan);border:1px solid var(--ink);padding:6px 9px;border-radius:4px;color:var(--ink)}.layout{display:block}.builder{padding:32px;scroll-margin-top:100px}.builder .card-head{border-bottom:2px solid var(--ink);padding-bottom:22px}.subject-tabs{margin:22px 0}.builder-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;padding:0 0 24px}.builder-options{padding-left:28px;border-left:1px solid var(--line)}.label{display:block;font-size:16px;font-weight:700;margin:20px 0 12px}.step{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;font:700 13px/1 ui-monospace,monospace;background:var(--yellow);border:1.5px solid var(--ink);border-radius:50%;margin-right:8px;color:var(--ink)}.field{width:100%;min-width:0;min-height:52px;border:1.5px solid #777080;border-radius:6px;padding:13px 14px;background:#fff;color:var(--ink);font-size:16px;text-overflow:ellipsis}.field+.field{margin-top:12px}textarea.field{line-height:1.6;resize:vertical}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.chip{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:11px 16px;border:1.5px solid var(--ink);border-radius:6px;background:#fff;color:var(--ink);font-weight:600;box-shadow:2px 2px 0 #20203b}.chip:hover{background:#f0e8ff;text-decoration:none}.chip.selected{background:var(--violet);border-color:var(--ink);color:#fff}.num{width:78px;min-height:46px;padding:10px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mode{padding:17px 13px;min-height:106px;border:1.5px solid var(--ink);border-radius:7px;background:white;color:var(--ink);text-align:left}.mode strong{display:block;font-size:16px;margin-bottom:6px}.mode span{display:block;color:var(--muted);font-size:14px}.mode.selected{background:#ede3ff;border:2px solid var(--violet);box-shadow:3px 3px 0 var(--violet)}.primary{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:50px;padding:13px 23px;background:var(--yellow);color:var(--ink);border:2px solid var(--ink);border-radius:7px;box-shadow:3px 3px 0 var(--ink);font-size:16px;font-weight:750}.primary:hover{background:#ffed9b;text-decoration:none}.wide{width:100%;display:flex;justify-content:space-between;margin-top:20px}.builder-bottom{border-top:2px solid var(--ink);padding-top:22px}.builder-bottom>.wide{max-width:410px;margin:24px auto 16px}.ranking-opt{display:flex;align-items:center;gap:11px;font-weight:650;margin-bottom:10px}.ranking-opt input,.psy-check input,.psy-annul input{width:21px;height:21px;accent-color:var(--violet);flex:none}.center{text-align:center}.source-note{display:flex;gap:14px;align-items:flex-start;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.source-note p{font-size:14px;color:var(--muted);margin:0}.source-note strong{color:var(--ink)}.icon{font-size:26px}.warning{padding:16px;border:1px solid #b4833a;border-left:5px solid #b4833a;border-radius:6px;background:#fff1d5;color:#66451d;font-size:14px;line-height:1.6;margin-top:16px}.side{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:28px}.side .card{padding:26px}.sage{background:var(--cyan);color:var(--ink)}.sage .eyebrow,.sage p{color:#244c51}.sage h3{font-size:31px;margin:18px 0}.sage a{font-weight:700;color:var(--ink)}.side .card:nth-child(2){background:#f6e8ff}.side .card:nth-child(3){background:#ffeadb}.metric{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #20203b30;font-size:14px}.metric strong{font-size:23px}.metric:last-child{border:0}.resume{display:flex;justify-content:space-between;align-items:center;gap:22px;background:#ede4ff;border:2px solid var(--ink);border-radius:10px;padding:23px;margin:28px 0}.linkbtn{border:0;background:transparent;color:#4b26a7;padding:13px;font-size:16px;text-decoration:underline}.quiz{max-width:820px;margin:auto}.quiz .card{background:var(--surface);padding:32px}.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.progress{height:10px;border:1px solid var(--ink);border-radius:3px;background:#e4dbef;margin:25px 0;overflow:hidden}.progress span{display:block;height:100%;background:var(--violet)}.question{font-size:24px;line-height:1.5;font-weight:650;letter-spacing:-.4px;margin:22px 0 28px;white-space:pre-line}.answer{display:flex;align-items:center;gap:16px;width:100%;padding:17px;background:#fff;border:1.5px solid #9c94a2;border-radius:7px;color:var(--ink);text-align:left;line-height:1.6;margin:13px 0;font-size:16px}.answer b{display:grid;place-items:center;flex:none;width:33px;height:33px;border:1px solid var(--ink);background:#f0edf4;border-radius:5px;font:700 15px/1 ui-monospace,monospace}.answer.selected{border:2px solid var(--violet);background:#f0e8ff;box-shadow:3px 3px 0 var(--violet)}.answer.selected b{background:var(--violet);color:white;border-color:var(--violet)}.answer.correct{background:#e5f8e8;border:2px solid #27733e}.answer.correct b{background:#27733e;color:white}.answer.wrong{background:#fff0eb;border:2px solid #b33c35}.answer.wrong b{background:#b33c35;color:white}.answer:disabled{opacity:1;cursor:default}.quiz-actions{display:flex;justify-content:space-between;gap:16px;margin:26px 0}.grid-nav{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.grid-nav button{width:44px;height:44px;border:1.5px solid var(--ink);border-radius:5px;background:white;color:var(--ink)}.grid-nav .filled{background:#dfd0ff}.grid-nav .current{background:var(--violet);color:white}.results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:28px 0}.result{padding:23px 12px;border:1.5px solid var(--ink);border-radius:9px;background:#e7f8f1;font-size:14px;text-align:center}.result:nth-child(2){background:#ffe5dc}.result:nth-child(3){background:#eee4ff}.result strong{display:block;font-size:39px;line-height:1.2;letter-spacing:-1px;margin-bottom:7px}.score{font-size:78px;line-height:1.2;font-weight:850;letter-spacing:-4px;color:var(--violet);margin:14px 0}.score small{font-size:25px;letter-spacing:0;color:var(--muted)}.bank-list{display:grid;gap:22px;margin-top:24px}.body-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px;background:var(--surface);border:1px solid var(--ink);border-radius:9px}.body-row h3{margin:0 0 10px}.body-row p{margin:0}.body-row .chip{flex:none}details{margin:14px 0}summary{cursor:pointer;padding:13px 0;font-weight:650}.exam{font-size:15px;padding:18px 0;border-bottom:1px solid var(--line);line-height:1.8}.exam a{margin-right:16px}.empty{text-align:center;padding:35px;color:var(--muted)}.loading{text-align:center;padding:80px 20px}footer{background:var(--ink);border-top:6px solid var(--pink);color:#e2dded;padding:34px max(24px,calc((100vw - 1140px)/2));display:flex;justify-content:space-between;gap:24px;font-size:14px;line-height:1.9}footer a{color:var(--cyan)}.dot{margin:0 8px}.test-dialog{width:min(480px,calc(100% - 32px));border:2px solid var(--ink);border-radius:12px;background:var(--paper);padding:30px;color:var(--ink);box-shadow:7px 7px 0 var(--pink)}.test-dialog::backdrop{background:#151526a8}.test-dialog h2{font-size:27px}.test-dialog p{color:var(--muted)}.dialog-actions{display:flex;flex-direction:column;gap:14px;margin-top:24px}.psy-hero{text-align:center;padding-bottom:38px}.psy-hero .intro{margin-left:auto;margin-right:auto}.psy-hero h1 em{color:var(--violet)}.psy-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:25px}.psy-layout h2{margin:12px 0 20px}.psy-options{display:grid;grid-template-columns:1fr 1fr;gap:20px}.psy-check{display:flex;align-items:center;gap:10px;margin:18px 0}.psy-blocks>.chip{display:flex;justify-content:space-between;width:100%;margin:12px 0}.psy-sources{margin-top:30px}.table-scroll{max-width:100%;overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:16px}th,td{padding:15px;border-bottom:1px solid var(--line)}th{background:#eee5ff;font-weight:700}.psy-pattern{display:flex;align-items:center;flex-wrap:wrap;gap:12px;background:white;border:1px solid var(--line);border-radius:8px;padding:20px;margin:20px 0;color:var(--ink)}.psy-pattern svg{width:48px;height:48px;fill:currentColor}.psy-pattern>span{font-size:32px;color:var(--violet)}.psy-clock{font-variant-numeric:tabular-nums;font-weight:750;color:var(--violet)}.psy-review{margin-top:18px}.psy-review summary{line-height:1.6}.psy-review[open] summary{margin-bottom:20px}.psy-annul{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:20px 0}.psy-annul label{display:flex;gap:7px;align-items:center;padding:8px}.contact-form{display:grid;gap:20px}.contact-form label{display:grid;gap:9px;font-weight:650}.teacher-dashboard h1{font-size:clamp(34px,5vw,54px)}.teacher-dashboard>.card{margin-top:28px}.teacher-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:25px}.teacher-metrics .card{padding:23px}.teacher-metrics .card:nth-child(4n+1){background:#d6f8ef}.teacher-metrics .card:nth-child(4n+2){background:#f4e5ff}.teacher-metrics .card:nth-child(4n+3){background:#fff1ba}.teacher-metrics .card:nth-child(4n){background:#ffe6df}.teacher-metrics strong{display:block;font-size:34px;line-height:1.2;margin-top:15px}.teacher-chart{max-height:400px;overflow:auto}.teacher-chart>div{display:grid;grid-template-columns:100px 1fr 45px 65px;gap:12px;align-items:center;margin:12px 0}.teacher-chart meter{width:100%;height:22px;accent-color:var(--violet)}.teacher-message{padding:18px 0;border-bottom:1px solid var(--line)}.teacher-message summary span{display:block;font-size:14px;color:var(--muted);margin-top:5px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere}.teacher-dashboard #teacher-period{width:auto}.analytics-choice{position:fixed;bottom:max(16px,env(safe-area-inset-bottom));left:16px;right:16px;max-width:660px;margin:auto;padding:23px;background:var(--paper);border:2px solid var(--ink);border-radius:12px;box-shadow:5px 5px 0 var(--violet);z-index:1000}.analytics-choice p{margin:0 0 16px;font-size:15px}
@media(max-width:1100px){.hero{padding:38px 30px;gap:25px}.hero h1{font-size:52px}.console-sticker{right:-10px}.product-bar span{display:none}.sound-toggle{margin-left:auto}.side{gap:18px}.side .card{padding:22px}.teacher-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1000px){header{height:72px}.nav-shell{padding:0 18px}.brand{width:94px;height:57px}.brand-logo{width:85px;height:50px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;width:48px;height:48px;border:1px solid #ffffff80;border-radius:7px;background:transparent;color:white}.menu-toggle span{width:22px;height:2px;background:currentColor}.menu-open .menu-toggle span:first-child{transform:translateY(4.5px) rotate(45deg)}.menu-open .menu-toggle span:last-child{transform:translateY(-4.5px) rotate(-45deg)}nav{display:none;position:absolute;top:72px;left:0;right:0;max-height:calc(100dvh - 72px);height:auto;overflow-y:auto;background:var(--ink);padding:16px 24px 24px;gap:0;flex-direction:column;align-items:stretch;border-bottom:3px solid var(--pink)}.menu-open nav{display:flex}nav a{min-height:48px;font-size:18px;border:0;border-bottom:1px solid #ffffff25}nav a.active{border-bottom:1px solid #ffffff25}.product-bar>div{padding:10px 18px;gap:10px}.product-bar a:first-child{font-size:16px}.product-bar .small-cta{font-size:13px;padding:10px 12px}.sound-toggle{font-size:12px}.hero{grid-template-columns:minmax(0,1fr) 260px}.hero h1{font-size:46px}.hero-console{padding:12px}.console-screen{padding:14px}.console-screen strong{font-size:75px}.builder-columns{gap:26px}.builder-options{padding-left:25px}}
@media(max-width:760px){main{padding:22px 17px 52px}.hero{grid-template-columns:1fr;padding:32px 23px 25px;border-radius:15px;gap:34px;box-shadow:5px 5px 0 var(--pink);margin-bottom:27px}.hero h1{font-size:clamp(38px,9vw,54px);letter-spacing:-1.8px;line-height:1.08}.hero-kicker{font-size:10px;letter-spacing:1.5px;margin-bottom:20px}.hero .intro{font-size:17px;margin-bottom:24px}.hero-actions{gap:20px}.hero-actions .primary{min-height:50px;padding:12px 18px}.hero-actions>a{font-size:15px}.hero-caption{font-size:11px;gap:7px 13px;margin-top:24px}.hero-console{max-width:245px;transform:rotate(2deg);padding:11px}.console-screen{padding:13px}.console-screen strong{font-size:64px;margin:8px 0}.console-screen strong span{font-size:11px}.console-bars{margin:14px 0}.console-controls{height:50px}.console-cross{font-size:38px}.console-button{width:24px;height:24px}.console-sticker{font-size:11px;padding:9px;right:-14px;top:-15px}.console-level,.console-screen-bottom{font-size:9px}.card,.builder,.quiz .card{padding:23px 19px;border-radius:10px;box-shadow:3px 3px 0 var(--ink)}.builder-columns{display:block;padding-bottom:24px}.builder-options{padding:0;border:0}.builder .card-head{padding-bottom:15px}.card-head{align-items:flex-start;gap:12px;flex-wrap:wrap}.card-head h2{font-size:26px}.card-head>.tag{font-size:10px}.builder .sub{font-size:15px}.label{margin-top:25px}.subject-tabs{gap:10px}.subject-tabs .chip{flex:1}.choices{gap:10px}.mode{padding:14px 11px;min-height:110px}.mode strong{font-size:15px}.mode span{font-size:14px}.builder-bottom>.wide{max-width:none}.side{grid-template-columns:1fr;gap:21px}.side .card{padding:25px}.side .metric{flex-wrap:nowrap}.sage h3{font-size:30px}.sage h3 br{display:none}.resume{align-items:flex-start;flex-direction:column;padding:20px}.resume .primary{width:100%}.intro{font-size:17px}h1{font-size:38px;letter-spacing:-1.4px}h2{font-size:26px}.question{font-size:20px;line-height:1.5;letter-spacing:-.2px;margin:20px 0 25px}.answer{padding:14px 12px;gap:11px;align-items:flex-start;font-size:16px}.answer b{width:28px;height:28px;font-size:13px;margin-top:1px}.quiz-top .sub{font-size:14px}.quiz-top .tag{font-size:10px}.quiz-actions{gap:12px}.quiz-actions .primary{padding:12px 16px}.quiz-actions .chip{padding:11px 14px}.results{gap:8px}.result{padding:18px 7px;font-size:12px}.result strong{font-size:31px}.score{font-size:64px}.body-row{flex-direction:column;align-items:flex-start;padding:21px}.body-row .chip{width:100%}.source-note{gap:10px}.source-note .icon{display:none}.psy-layout{grid-template-columns:1fr}.psy-options{grid-template-columns:1fr}.psy-hero{padding:5px 0 25px}.psy-hero h1{font-size:38px}.psy-pattern{padding:14px;gap:8px}.psy-pattern svg{width:36px;height:36px}.psy-annul{grid-template-columns:repeat(4,1fr);gap:8px}.psy-annul label{padding:4px;font-size:14px}th,td{padding:12px 9px;font-size:14px}.teacher-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.teacher-metrics .card{padding:18px 12px}.teacher-metrics .sub{font-size:13px}.teacher-metrics strong{font-size:27px}.teacher-chart>div{grid-template-columns:76px minmax(30px,1fr) 25px 45px;gap:7px;font-size:11px}.teacher-dashboard h1{font-size:36px}.teacher-dashboard #teacher-period{width:100%}.teacher-message summary{overflow-wrap:anywhere}.empty{padding:28px 15px}footer{flex-direction:column;padding:28px 21px;gap:15px;font-size:13px}.analytics-choice{padding:19px;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));max-height:80dvh;overflow:auto}.analytics-choice p{font-size:14px}.analytics-choice .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.analytics-choice .primary,.analytics-choice .chip{padding:11px;font-size:14px}.test-dialog{padding:24px}.product-bar .sound-toggle{font-size:0;width:44px;padding:10px;margin-left:auto}.product-bar .sound-toggle:after{content:'♫';font-size:20px}.product-bar .sound-toggle[aria-pressed=false]:after{content:'♪';text-decoration:line-through}.product-bar .small-cta{min-height:44px;display:flex;align-items:center}}
@media(max-width:380px){.hero{padding-left:19px;padding-right:19px}.hero h1{font-size:38px}.hero-actions{gap:19px}.hero-actions .primary{width:100%}.hero-actions>a{display:block;text-align:center;width:100%}.field{padding:12px 10px}.count{padding:10px 13px}.choices{grid-template-columns:1fr}.mode{min-height:80px}.quiz-actions .primary{font-size:14px}.quiz-actions .chip{font-size:14px}.product-bar a:first-child{font-size:15px}.teacher-metrics strong{font-size:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Arcade scoreboard: self-contained contrast, no flashing or motion. */
.arcade{--arcade-cyan:#75f4ed;--arcade-pink:#ff8fc9;--arcade-yellow:#ffea89;color:#f9f5ff;background:linear-gradient(135deg,#16162f 0%,#241b43 60%,#152f43 100%);border:1px solid #6f648a;border-radius:28px;padding:36px;margin:34px 0;box-shadow:0 14px 38px #1b16331a;font-family:inherit;overflow:hidden}.arcade a{color:var(--arcade-cyan)}.arcade h1,.arcade h2,.arcade h3,.arcade p{color:inherit}.arcade-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.arcade-kicker{color:var(--arcade-cyan)!important;font:700 11px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:2px;margin:0 0 16px}.arcade-heading h2{font-size:clamp(28px,4vw,44px);line-height:1.12;letter-spacing:-1.5px;margin:0 0 16px}.arcade-heading h1{font-size:clamp(40px,6vw,70px);line-height:1.04;letter-spacing:-2.5px;margin:0 0 22px}.arcade-heading h1 span,.arcade-heading h2 span{color:var(--arcade-pink)}.arcade-heading>div>p:last-child{color:#d3ccdf}.arcade-token{display:grid;align-content:center;flex-shrink:0;width:88px;height:88px;border:2px solid var(--arcade-yellow);border-radius:50%;text-align:center;color:var(--arcade-yellow);font:700 28px/1.2 ui-monospace,SFMono-Regular,monospace;transform:rotate(8deg)}.arcade-token small{font-size:10px;letter-spacing:1px;margin-top:4px}.arcade-board{padding:0;margin:24px 0;list-style:none;display:grid;gap:8px}.arcade-board li{display:grid;grid-template-columns:34px 58px 1fr 68px;align-items:center;gap:16px;padding:15px 16px;border:1px solid #ffffff1c;border-radius:12px;background:#ffffff07;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums}.arcade-place{color:#d2cbdc;font-size:13px}.arcade-initials{color:var(--arcade-cyan);font-size:22px;letter-spacing:3px}.arcade-board li:first-child .arcade-initials{color:var(--arcade-yellow)}.arcade-score{text-align:right;color:#fff;font-size:21px;font-weight:700}.arcade-score small{font-size:10px;color:#d2cbdc}.arcade-tests{font-size:11px;color:#d2cbdc;text-align:right}.arcade-empty{padding:25px 0;display:grid;gap:9px}.arcade-empty>span{font-size:24px;color:var(--arcade-yellow)}.arcade-empty strong{font-size:18px}.arcade-empty p{margin:0;color:#d3ccdf}.arcade-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:16px}.arcade-bottom p,.arcade-fine{font-size:12px;line-height:1.6;color:#d3ccdf!important}.arcade-button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:46px;padding:12px 20px;border:0;border-radius:10px;background:var(--arcade-cyan);color:#122c35!important;text-decoration:none;font-size:14px;font-weight:700;cursor:pointer}.arcade-button:disabled{opacity:.6;cursor:wait}.arcade-button:hover:not(:disabled){background:#abfff8}.arcade button:focus-visible,.arcade a:focus-visible,.arcade input:focus-visible,.arcade summary:focus-visible{outline:3px solid var(--arcade-yellow);outline-offset:4px}.arcade-state{font-size:13px;line-height:1.6;color:var(--arcade-yellow)!important}.arcade-page{padding:44px}.arcade-back{display:inline-block;margin-bottom:34px;font-size:13px}.arcade-columns{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;margin-top:38px}.arcade-board-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.arcade-board-title h2{font-size:21px;margin:0}.arcade-link{background:none;border:0;text-decoration:underline;color:var(--arcade-cyan);cursor:pointer;font-size:12px}.arcade-member{align-self:start;background:#ffffff09;border:1px solid #ffffff22;border-radius:18px;padding:26px}.arcade-member h2{font-size:26px;margin:8px 0 16px}.arcade-member p{font-size:14px;line-height:1.65}.arcade-player{display:block;color:var(--arcade-yellow);font:700 42px/1.3 ui-monospace,SFMono-Regular,monospace;letter-spacing:8px}.arcade-own-stats{display:flex;gap:24px;margin:18px 0 25px;font-size:13px}.arcade-own-stats b{display:block;font-size:25px}.arcade-pending{border-left:3px solid var(--arcade-pink);padding:10px 0 10px 18px;margin:22px 0}.arcade-pending>strong{color:var(--arcade-pink)}.arcade-pending p{margin:8px 0}.arcade-register-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.arcade-register-row input{width:112px;min-height:48px;border:1px solid #9c90b3;border-radius:8px;background:#100e23;color:var(--arcade-yellow);font:700 24px/1 ui-monospace,SFMono-Regular,monospace;letter-spacing:5px;text-align:center;text-transform:uppercase}.arcade-demo{margin:28px 0 0;border-top:1px solid #ffffff22;padding-top:20px}.arcade-demo summary{cursor:pointer;font-size:13px;color:#d3ccdf}.arcade-demo p{font-size:12px;line-height:1.6}.arcade-demo-label{display:inline-block;color:var(--arcade-yellow)!important;font-weight:700;letter-spacing:1px;margin-top:20px}.arcade-demo .arcade-board{opacity:.85}.arcade-rules{border-top:1px solid #ffffff22;margin-top:38px;padding-top:28px}.arcade-rules h2{font-size:22px;margin:0 0 20px}.arcade-rules>div{display:flex;gap:32px;flex-wrap:wrap}.arcade-rules>div p{display:grid;gap:8px;font-size:13px}.arcade-rules b{font:700 30px/1 ui-monospace,SFMono-Regular,monospace;color:var(--arcade-yellow)}.arcade-rules>p{font-size:13px;line-height:1.7;max-width:800px;color:#d3ccdf}.arcade-result{text-align:center;padding:24px;margin:24px 0}.arcade-result>strong{font:700 42px/1.3 ui-monospace,SFMono-Regular,monospace;color:var(--arcade-yellow)}.arcade-result>strong small{font-size:17px}.arcade-result p{font-size:13px}.arcade-result>a{font-weight:600}.arcade-home{margin-top:38px}
@media(max-width:800px){.arcade-columns{grid-template-columns:1fr}.arcade,.arcade-page{padding:24px;border-radius:22px}.arcade-heading{gap:12px}.arcade-token{width:68px;height:68px;font-size:23px}.arcade-token small{font-size:8px}.arcade-board li{grid-template-columns:24px 52px 1fr;gap:10px;padding:12px}.arcade-tests{display:none}.arcade-score{font-size:18px}.arcade-initials{font-size:20px}.arcade-rules>div{gap:22px}.arcade-member{padding:20px}.arcade-heading h1{letter-spacing:-1.5px}}
.arcade-account-tabs{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-bottom:20px}.arcade-account-form{display:grid;gap:15px}.arcade-account-form label{display:grid;gap:8px;font-size:13px;font-weight:600}.arcade-account-form input{width:100%;box-sizing:border-box;min-height:46px;border:1px solid #9c90b3;border-radius:9px;background:#100e23;color:#fff;padding:12px;font:inherit}.arcade-account-form small{font-size:11px;line-height:1.6;color:#d3ccdf}.arcade-account-form [hidden]{display:none}.arcade-account-form #arcade-new-account input{text-transform:uppercase;max-width:120px;font:700 22px/1 ui-monospace,monospace;letter-spacing:4px}.arcade-account-form button[type=submit]{margin-top:5px}
.arcade-you{display:block;color:#fff;font-size:9px;font-weight:700;line-height:1.5;letter-spacing:1px;margin-top:4px}
/* Arcade uses the same geometric frame as the rest of the application. */
.arcade{border:2px solid var(--ink);border-radius:14px;box-shadow:5px 5px 0 var(--violet);background:#242040}.arcade-home{margin:34px 0}.arcade-member{border-radius:8px}.arcade-board li{border-radius:6px}.arcade-button{border:2px solid #101329;border-radius:6px;box-shadow:3px 3px 0 #090c20;font-size:16px;min-height:48px}.arcade-link{font-size:14px;min-height:44px;padding:10px 0}.arcade-back{font-size:15px}.arcade-fine,.arcade-bottom p,.arcade-state,.arcade-rules>p{font-size:14px}.arcade-account-form label,.arcade-member p{font-size:16px}.arcade-account-form input{font-size:16px;min-height:50px}.arcade-account-form small{font-size:13px}.arcade-kicker{font-size:11px}.arcade-rules>div p{font-size:14px}.arcade-demo summary,.arcade-demo p{font-size:14px}.arcade-page{margin-top:0}.arcade-token{background:#ffe36b;color:var(--ink);border-color:var(--ink);box-shadow:3px 3px 0 #12122b}.arcade-empty{border:1px dashed #aca3bd;padding:22px;border-radius:6px;margin-top:20px}.arcade-heading h2{font-size:36px}
@media(max-width:760px){.arcade,.arcade-page{padding:23px 18px;border-radius:10px;box-shadow:3px 3px 0 var(--violet)}.arcade-heading{align-items:flex-start}.arcade-heading h2{font-size:29px;letter-spacing:-1px}.arcade-heading h1{font-size:39px}.arcade-token{width:60px;height:60px;font-size:21px}.arcade-token small{font-size:8px}.arcade-kicker{font-size:9px;letter-spacing:1.2px}.arcade-bottom{gap:12px}.arcade-bottom .arcade-button{width:100%}.arcade-bottom p{margin-bottom:0}.arcade-columns{gap:25px;margin-top:24px}.arcade-member{padding:20px 15px;min-width:0}.arcade-board li{padding:12px 9px;gap:8px;grid-template-columns:21px 48px minmax(0,1fr)}.arcade-score{font-size:18px}.arcade-initials{font-size:19px}.arcade-rules{margin-top:28px}.arcade-rules>div{gap:18px}.arcade-rules>div p{flex:1;min-width:72px}.arcade-board-title{flex-wrap:wrap}.arcade-empty{padding:18px}.arcade-page .arcade-heading{flex-wrap:wrap}.arcade-account-tabs{gap:12px}.arcade-account-tabs .arcade-button{font-size:14px}.arcade-result>strong{font-size:34px}}
/* Account practice streaks: a quiet, readable reward beside the arcade. */
.practice-card{margin:30px 0;background:#fff6d9}.practice-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.practice-heading h2{font-size:32px;margin-bottom:20px}.streak-flame{width:52px;height:68px;position:relative;display:block;flex:none;margin-right:8px}.streak-flame:before{content:'';position:absolute;inset:0;background:#f56c41;clip-path:polygon(40% 0,60% 0,60% 20%,80% 20%,80% 40%,100% 40%,100% 80%,80% 80%,80% 100%,20% 100%,20% 80%,0 80%,0 40%,20% 40%,20% 20%,40% 20%)}.streak-flame i{position:absolute;left:16px;right:16px;bottom:0;height:34px;background:#ffe36b;clip-path:polygon(30% 0,70% 0,70% 30%,100% 30%,100% 100%,0 100%,0 30%,30% 30%)}.practice-stats{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;align-items:center;border-top:1px solid #20203b40;padding-top:22px}.practice-stats>div{display:grid;gap:3px}.practice-stats strong{font:800 44px/1.15 ui-monospace,monospace;letter-spacing:-2px}.practice-stats>div:last-child strong{font-size:31px;color:#6544ac}.practice-stats span{font-size:14px}.practice-stats .practice-initials{font:800 13px/1.3 ui-monospace,monospace;letter-spacing:3px}.practice-week{list-style:none;padding:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin:25px 0}.practice-week li{display:grid;justify-items:center;gap:7px;font-size:13px;color:#585869}.practice-week b{display:grid;place-items:center;width:100%;aspect-ratio:1;max-width:48px;border:1.5px solid #817c83;border-radius:7px;background:#fffdf8;color:#6b6571;font-size:22px}.practice-week .done b{background:#6340d8;border-color:#20203b;color:white;box-shadow:2px 2px 0 #20203b}.practice-week .protected b{background:#68eee7;border-color:#20203b;color:#20203b}.practice-week .today b{outline:2px solid #20203b;outline-offset:3px}.practice-week small{font:12px ui-monospace,monospace}.practice-next{background:white;border:1px solid #20203b;border-radius:7px;padding:17px 19px;display:grid;grid-template-columns:1fr auto;gap:7px 16px}.practice-next>span{font:700 11px/1.4 ui-monospace,monospace;letter-spacing:1px;grid-column:1/-1;color:#6544ac}.practice-next strong{font-size:18px;grid-column:1/-1}.practice-next progress{width:100%;height:12px;accent-color:#6340d8;align-self:center}.practice-next small{font-size:12px}.practice-next p{grid-column:1/-1;margin:0;font-size:14px}.practice-freeze{display:flex;gap:14px;align-items:center;margin-top:20px;padding:17px 0}.practice-freeze strong{font-size:15px}.practice-freeze p{font-size:14px;margin:5px 0 0;color:#585869}.freeze-icon{display:grid;place-items:center;width:42px;height:42px;background:#68eee7;border:1.5px solid #20203b;border-radius:6px;font-size:22px;flex:none}.practice-medals{border-top:1px solid #20203b40;margin:7px 0}.practice-medals summary{display:flex;justify-content:space-between;gap:12px;min-height:48px;font-size:16px}.practice-medals summary:before{content:'▸';margin-right:5px}.practice-medals[open] summary:before{content:'▾'}.practice-medals summary span{font-size:13px;font-weight:500;margin-left:auto}.practice-medal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:12px 0 20px}.practice-medal{background:#fffdf8;border:1px solid #aaa1ab;border-radius:7px;padding:17px;display:flex;gap:13px;align-items:flex-start}.practice-medal.earned{border-color:#20203b;background:#f0e7ff}.medal-mark{font-size:28px;line-height:1.2;color:#635869}.earned .medal-mark{color:#7d4b0a;text-shadow:1px 1px #ffe36b}.practice-medal strong{font-size:15px}.practice-medal p{font-size:13px;line-height:1.55;margin:6px 0}.practice-medal small{font-size:11px;color:#585869}.practice-footnote{margin:15px 0 0;font-size:13px}.practice-result{border:2px solid #20203b;border-radius:10px;padding:24px;margin:26px 0;background:#fff1bd;box-shadow:3px 3px 0 #6340d8}.practice-result>div{display:flex;align-items:center;gap:18px}.practice-result h2{font-size:25px;margin:0 0 15px}.practice-result .eyebrow{margin-bottom:8px}.practice-result p{font-size:15px;line-height:1.6}.practice-result .streak-flame{width:36px;height:48px}.practice-result .streak-flame i{left:11px;right:11px;height:24px}.practice-result>a{font-weight:650}.practice-result-note{margin:22px 0}
@media(max-width:760px){.practice-card{margin:25px 0}.practice-heading h2{font-size:28px}.practice-heading .eyebrow{font-size:10px}.practice-heading .streak-flame{width:42px;height:56px;margin-right:0}.practice-heading .streak-flame i{left:13px;right:13px;height:28px}.practice-stats{gap:16px}.practice-stats strong{font-size:40px}.practice-stats>div:last-child strong{font-size:28px}.practice-stats span{font-size:13px}.practice-week{gap:7px;margin:24px 0}.practice-week b{font-size:19px;border-radius:5px}.practice-week li{font-size:12px}.practice-week small{font-size:10px}.practice-next{padding:16px 14px}.practice-medal-grid{grid-template-columns:1fr}.practice-medal{padding:16px}.practice-medal strong{font-size:16px}.practice-medal p{font-size:14px}.practice-medal small{font-size:12px}.practice-result{padding:22px 18px}.practice-result h2{font-size:22px}.practice-freeze{align-items:flex-start}.practice-freeze strong{font-size:14px}.practice-card .primary{width:100%;font-size:15px;padding:12px 15px}}

/* Keep the sound switch within reach throughout a test. */
.product-bar{position:sticky;top:76px;z-index:35}.sound-toggle:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
@media(max-width:1000px){.product-bar{top:72px}}