:root{--bg:#f6f5fb;--surface:#fff;--ink:#1e1b2e;--ink-2:#4d4863;--muted:#7d7893;--line:#e3e0ee;--accent:#5b4bdb;--accent-soft:#ecebfc;--good:#1f8a4c;--good-soft:#e3f5ea;--bad:#c0392b;--bad-soft:#fbe9e7;font:16px/1.5 "Trebuchet MS","Lucida Grande","Lucida Sans Unicode","Lucida Sans",Tahoma,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;min-height:44px;touch-action:manipulation}button{border:0;border-radius:9px;padding:11px 19px;background:var(--accent);color:white;font-weight:700;cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}button.secondary{background:var(--accent-soft);color:var(--accent)}button.ghost{background:transparent;border:1px solid var(--line);color:var(--ink-2)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a99ff3;outline-offset:3px}input,select{border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink);padding:9px 11px;max-width:100%;min-width:0}input{width:100%}label{display:block;font-size:.88rem;font-weight:700;color:var(--ink-2);margin-bottom:7px}h1,h2,h3,p{margin-top:0}h1{font-size:2.25rem;line-height:1.2;letter-spacing:-1px;margin-bottom:12px}h2{font-size:1.25rem;letter-spacing:-.3px;margin-bottom:20px}h3{font-size:1.05rem;line-height:1.35;margin-bottom:9px}p{margin-bottom:16px}small,.small{font-size:.82rem}a{color:var(--accent)}#top{background:#ffffffed;border-bottom:1px solid var(--line);padding:20px max(24px,env(safe-area-inset-right)) 20px max(24px,env(safe-area-inset-left))}.top-inner{max-width:1160px;margin:auto;display:flex;align-items:center;gap:14px}.brand-mark{width:48px;height:48px;flex-shrink:0;border-radius:13px;background:var(--accent);color:white;display:grid;place-items:center;font-size:1.25rem;font-weight:bold}.brand{font-weight:bold;font-size:1.12rem}.brand-sub{color:var(--muted);font-size:.77rem;letter-spacing:.3px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:16px}.pill{display:inline-flex;align-items:center;padding:6px 12px;border-radius:30px;background:var(--accent-soft);color:var(--accent);font-size:.8rem;font-weight:bold;white-space:nowrap}.pill.good{color:var(--good);background:var(--good-soft)}.pill.bad{color:var(--bad);background:var(--bad-soft)}#app{max-width:1208px;margin:0 auto;padding:38px max(24px,env(safe-area-inset-right)) 64px max(24px,env(safe-area-inset-left));min-height:72vh}.eyebrow{font-size:.73rem;font-weight:bold;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent);margin-bottom:11px}.lead{color:var(--ink-2);margin-bottom:30px}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid #eeecf5;border-radius:14px;padding:24px;box-shadow:0 4px 16px #29204a04;min-width:0}.grid{display:grid;gap:20px}.four{grid-template-columns:repeat(4,minmax(0,1fr))}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.stats{margin-bottom:26px;gap:16px}.stat{padding:21px 22px}.stat .number{font-size:1.85rem;line-height:1.3;font-weight:bold;letter-spacing:-.7px;margin:9px 0 4px}.number small{font-size:.95rem;font-weight:normal;letter-spacing:0;color:var(--muted)}.stat-label{color:var(--ink-2);font-size:.8rem}.stat-note{font-size:.74rem;color:var(--muted);margin-top:6px}.meter{height:6px;border-radius:5px;background:var(--accent-soft);overflow:hidden;margin-top:10px}.meter span{display:block;height:100%;border-radius:5px;background:var(--accent)}.meter.green{background:var(--good-soft)}.meter.green span{background:var(--good)}.features{grid-template-columns:1.5fr 1fr;margin-bottom:34px}.feature{display:flex;gap:22px;align-items:center}.feature h2{font-size:1.55rem;margin-bottom:8px}.feature p{font-size:.9rem;margin-bottom:19px}.feature.mock{background:linear-gradient(120deg,#5b4bdb,#7762e6);color:white;border:0;padding:28px}.mock .eyebrow{color:#ded9ff}.mock p{color:#efecff}.mock button{background:white;color:var(--accent)}.feature-symbol{font-size:3.5rem;line-height:1;opacity:.4;font-weight:bold;margin-left:auto}.feature.mistakes{background:#f0eefb;border-color:#e7e2f7}.section-heading{display:flex;align-items:baseline;gap:10px;margin:30px 0 17px}.section-heading h2{margin:0}.section-heading span{font-size:.8rem;color:var(--muted);margin-left:auto}.practice-card{display:flex;flex-direction:column;padding:23px 21px}.section-icon{height:40px;width:43px;background:var(--accent-soft);color:var(--accent);border-radius:10px;display:grid;place-items:center;margin-bottom:19px;font-size:1.05rem;font-weight:bold}.practice-card h3{min-height:2.7em}.practice-card p{font-size:.8rem;color:var(--muted)}.practice-card .controls{margin-top:auto;display:grid;grid-template-columns:1fr 80px;gap:8px}.practice-card label{font-size:.7rem}.practice-card select{width:100%;font-size:1rem}.practice-card button{width:100%;margin-top:16px}.practice-card .passage-note{margin:auto 0 6px;min-height:70px;padding:12px;background:var(--bg);border-radius:8px;font-size:.85rem}.space{margin-top:24px}.bar-row{display:grid;grid-template-columns:150px 1fr 45px;gap:12px;align-items:center;margin:17px 0;font-size:.82rem}.bar-row .meter{margin:0}.bar-row strong{text-align:right}.daily{height:142px;display:flex;align-items:flex-end;gap:7px;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to top,transparent 0,transparent 45px,#f0eef7 46px,#f0eef7 47px);padding-top:12px}.day{flex:1;height:100%;display:flex;align-items:center;justify-content:flex-end;flex-direction:column;min-width:0}.day b{font-size:.6rem;font-weight:normal;color:var(--muted);margin-bottom:3px}.day i{width:100%;max-width:25px;min-height:2px;background:var(--accent);border-radius:4px 4px 0 0;display:block}.chart-caption{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);margin-top:8px}.empty{padding:20px 0;color:var(--muted);font-size:.9rem}.weak-list{display:flex;gap:10px;flex-wrap:wrap}.weak-item{background:var(--bg);padding:12px 16px;border-radius:10px;font-size:.83rem}.weak-item strong{display:block;color:var(--accent)}.table-wrap{overflow-x:auto;max-width:100%}table{width:100%;min-width:460px;border-collapse:collapse;text-align:left;font-size:.84rem}th{color:var(--muted);font-size:.7rem;font-weight:normal;text-transform:uppercase;letter-spacing:.8px;padding:12px;border-bottom:1px solid var(--line)}td{padding:14px 12px;border-bottom:1px solid #f1eff7}td button{background:transparent;color:var(--accent);padding:5px 0;min-height:44px;text-align:left;font-weight:normal}tr:last-child td{border-bottom:0}.tabs{display:flex;gap:8px;margin:28px 0 22px;flex-wrap:wrap}.tabs button{background:transparent;color:var(--ink-2);border:1px solid var(--line);font-size:.9rem}.tabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:white}.student-summary{position:relative}.student-summary h2{font-size:1.3rem;margin-bottom:7px}.student-summary .pill{position:absolute;top:23px;right:22px}.summary-numbers{display:flex;gap:28px;margin:20px 0}.summary-numbers strong{font-size:1.5rem;display:block}.summary-numbers span{font-size:.73rem;color:var(--muted)}.summary-last{font-size:.8rem;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}.password-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}.password-form>div{flex:1;min-width:150px}.password-form select{width:100%}.error{color:var(--bad);font-size:.9rem;min-height:1.5em;margin:12px 0 0}.success{color:var(--good)}.login-layout{display:grid;grid-template-columns:1.2fr 1fr;max-width:980px;gap:100px;margin:70px auto 40px;align-items:center}.login-layout h1{font-size:3rem;letter-spacing:-1.5px}.login-copy p{color:var(--ink-2);font-size:1.05rem;max-width:400px}.login-copy .eyebrow{margin-bottom:20px}.login-card{padding:35px}.login-card h2{font-size:1.5rem}.login-card label{margin-top:18px}.login-card button{width:100%;margin-top:24px}.login-caption{margin-top:25px;font-size:.8rem;color:var(--muted)}.intro{max-width:680px;margin:40px auto;text-align:center;padding:45px}.intro h1{font-size:2rem;margin-top:20px}.intro .rule{background:var(--bg);padding:18px;border-radius:10px;margin:25px 0;color:var(--ink-2)}.intro button{margin:8px}.runner-bar{position:sticky;top:0;z-index:5;background:#fffffffa;box-shadow:0 5px 15px #29204a08;border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin-bottom:25px;display:flex;align-items:center;gap:20px}.runner-info{flex:1;min-width:0}.runner-info strong{font-size:.88rem}.runner-info .small{color:var(--muted);margin-left:14px}.timer{font-size:1.35rem;font-weight:bold;font-variant-numeric:tabular-nums;color:var(--accent);white-space:nowrap}.timer.urgent{color:var(--bad)}.question-layout{display:grid;gap:24px}.question-layout.has-passage{grid-template-columns:1fr 1.1fr;align-items:start}.passage-box{max-height:70vh;overflow-y:auto;padding:28px;position:sticky;top:115px}.passage-box h2{font-size:1.25rem}.passage-text{white-space:pre-wrap;line-height:1.8;font-size:.95rem}.question-card{scroll-margin-top:115px;padding:30px}.question-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:19px}.tag{font-size:.7rem;padding:4px 9px;border-radius:5px;background:var(--bg);color:var(--ink-2)}.question-prompt{white-space:pre-wrap;font-size:1.15rem;line-height:1.6;margin-bottom:25px;overflow-wrap:anywhere}.options{display:grid;gap:11px}.option{display:flex;align-items:center;gap:13px;background:white;border:1px solid var(--line);color:var(--ink);text-align:left;font-weight:normal;padding:12px 15px;min-width:0}.option .letter{width:29px;height:29px;display:grid;place-items:center;border-radius:7px;background:var(--bg);color:var(--muted);flex-shrink:0;font-size:.85rem;font-weight:bold}.option.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#f8f7ff}.option.selected .letter{background:var(--accent);color:white}.options.nvr{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.nvr .option{flex-direction:column;padding:10px 4px;gap:4px}.nvr .option svg{width:100%;height:auto;max-width:100px}.svg-strip{overflow-x:auto;max-width:100%;margin-bottom:24px;padding:8px 0}.svg-strip svg{display:block;max-width:none}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:26px}.question-actions span{font-size:.77rem;color:var(--muted)}.option:disabled{opacity:1;cursor:default}.option.correct{background:var(--good-soft);border-color:var(--good)}.option.incorrect{background:var(--bad-soft);border-color:var(--bad)}.explanation{margin-top:20px;background:var(--accent-soft);color:var(--ink-2);padding:18px;border-radius:10px;font-size:.9rem}.review-card{margin-top:22px}.review-card details{margin-bottom:22px;background:var(--bg);padding:15px;border-radius:8px}.review-card summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:.9rem;color:var(--accent)}.review-filter{display:flex;align-items:center;gap:10px;margin:25px 0}.review-filter input{width:20px;min-height:44px}.review-filter label{margin:0;font-size:.9rem}.result-head{display:flex;gap:20px;align-items:start;justify-content:space-between}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 24px;border-radius:12px;z-index:10;display:none;max-width:90%;box-shadow:0 5px 25px #0002}footer{max-width:1160px;margin:auto;border-top:1px solid var(--line);padding:24px max(0px,env(safe-area-inset-left)) max(28px,env(safe-area-inset-bottom));display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}#app>h1{margin-bottom:10px}@media(hover:hover){button:not(:disabled):hover{filter:brightness(.96)}.option:not(:disabled):hover{border-color:#a89fec}td button:hover{text-decoration:underline}}@media(max-width:1200px){footer{margin:0 24px}.feature-symbol{display:none}.login-layout{gap:50px}.practice-card .controls{grid-template-columns:1fr 72px}}@media(max-width:900px){.four{grid-template-columns:repeat(2,minmax(0,1fr))}.question-layout.has-passage{grid-template-columns:1fr}.passage-box{position:static;max-height:45vh}.login-layout{gap:35px;margin-top:40px}.login-layout h1{font-size:2.4rem}.features{grid-template-columns:1fr 1fr}.bar-row{grid-template-columns:125px 1fr 38px}.practice-card h3{min-height:0}.top-actions{gap:8px}}@media(max-width:600px){#top{padding:14px max(16px,env(safe-area-inset-right)) 14px max(16px,env(safe-area-inset-left))}.brand-mark{width:40px;height:40px;border-radius:10px}.brand-sub{display:none}.brand{font-size:.95rem}.top-inner{gap:9px;flex-wrap:wrap}.top-actions{gap:8px}.top-actions button{font-size:.72rem;padding:8px}.top-actions .pill{font-size:.65rem;padding:6px 9px}#app{padding:27px max(16px,env(safe-area-inset-right)) 45px max(16px,env(safe-area-inset-left))}h1{font-size:1.8rem}.lead{font-size:.9rem;margin-bottom:24px}.two,.three,.four,.features{grid-template-columns:1fr}.stats.four{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.stat{padding:17px}.stat .number{font-size:1.5rem}.stat-label{font-size:.75rem}.card{padding:21px}.feature.mock{padding:25px}.feature h2{font-size:1.35rem}.section-heading{align-items:start}.section-heading span{max-width:110px;text-align:right;font-size:.7rem}.bar-row{grid-template-columns:115px 1fr 37px;gap:9px;font-size:.75rem}.tabs{gap:5px}.tabs button{flex:1;padding:10px;font-size:.8rem}.summary-numbers{gap:20px}.login-layout{display:flex;flex-direction:column;gap:20px;margin:15px 0}.login-copy h1{font-size:2.35rem}.login-copy p{font-size:.95rem}.login-card{width:100%}.login-caption{display:none}.intro{padding:26px;margin:15px auto}.intro h1{font-size:1.6rem}.runner-bar{padding:12px;gap:10px;border-radius:10px}.runner-info strong{font-size:.75rem}.runner-info .small{display:block;margin:0;font-size:.7rem}.runner-bar button{padding:8px;font-size:.75rem}.timer{font-size:1.1rem}.question-card{padding:21px}.question-prompt{font-size:1.05rem}.options.nvr{grid-template-columns:repeat(3,minmax(0,1fr))}.question-actions button{flex:1}.question-actions span{max-width:95px}.result-head{display:block}.result-head button{margin-bottom:20px}.question-meta .pill{font-size:.7rem}.review-filter label{font-size:.8rem}footer{margin:0 16px;display:block;font-size:.7rem}footer span{display:block;margin-top:6px}.passage-box{padding:22px}.password-form button{width:100%}.daily{gap:5px}}@media(max-width:360px){.stats.four{grid-template-columns:1fr}.options.nvr{grid-template-columns:repeat(2,minmax(0,1fr))}.brand{font-size:.8rem}.top-actions .pill{font-size:.6rem}.top-actions{margin-left:0}.top-inner{justify-content:space-between}}
