:root {
  --paper:#F4EFE7; --card:#FFFFFF; --card-warm:#FDFAF6;
  --ink:#0F1E36; --ink-body:#26354D; --ink-muted:#5A6880;
  --line:#E3DCD1; --line-soft:#EFEAE1;
  --orange:#E2620B; --orange-deep:#B94A00; --orange-soft:#FDEBDC; --orange-line:#F6C79B;
  --good:#1E6F41; --good-soft:#E8F3EC; --good-line:#A9CDB8;
  --wrong:#A8261E; --wrong-soft:#FBEBE9; --wrong-line:#E5B4AF;
  --r-card:14px; --r-btn:11px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-height:100vh;margin:0;color:var(--ink-body);background:var(--paper);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit} button,select{cursor:pointer} button{color:inherit}
[hidden],.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:100;top:8px;left:8px;padding:10px 14px;color:#fff;background:var(--ink);border-radius:8px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.site-header{position:sticky;z-index:20;top:0;display:flex;min-height:64px;align-items:center;justify-content:space-between;gap:12px;padding:0 14px;background:rgba(244,239,231,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{display:inline-flex;min-height:44px;align-items:center;gap:9px;color:var(--ink);text-decoration:none}
.brand>span:last-child{display:flex;align-items:baseline;gap:4px;line-height:1}
.brand b,.brand em{font-size:14px;font-style:normal;font-weight:700;letter-spacing:-.01em}
.brand-mark{width:5px;height:20px;flex:0 0 5px;background:linear-gradient(180deg,var(--orange),var(--orange-deep));border-radius:3px}
.brand-mark:before,.brand-mark:after,.brand-mark span{display:none}
.desktop-nav{display:none}
.nav-item{position:relative;min-height:44px;padding:0 10px;color:var(--ink-muted);background:transparent;border:0;font-size:13px;font-weight:650}
.nav-item:hover{color:var(--ink)} .nav-item.active{color:var(--orange-deep);font-weight:700}
.header-actions{display:flex;gap:5px}
.icon-button{display:grid;width:44px;height:44px;place-items:center;color:var(--ink-body);background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);font-size:17px}
.icon-button:hover{color:var(--orange-deep);border-color:var(--orange-line)}
main{width:min(calc(100% - 28px),1080px);margin:0 auto;padding:22px 0 100px}
.state-view{display:grid;min-height:62vh;place-content:center;justify-items:center;padding:24px;text-align:center}
.state-view:before{width:5px;height:28px;margin-bottom:12px;background:linear-gradient(180deg,var(--orange),var(--orange-deep));border-radius:3px;content:""}
.state-view h1{max-width:28ch;margin:8px 0 4px;color:var(--ink);font-size:clamp(22px,6vw,30px);line-height:1.2;letter-spacing:-.02em}
.state-view p{max-width:48ch;margin:8px 0;color:var(--ink-muted);font-size:14px}
.state-kicker{padding:3px 9px;color:var(--wrong);background:var(--wrong-soft);border:1px solid var(--wrong-line);border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.loader{width:38px;height:38px;margin:auto;border:3px solid var(--line);border-top-color:var(--orange);border-radius:50%;animation:spin .75s linear infinite}
@keyframes spin{to{transform:rotate(1turn)}}
.hero{display:grid;grid-template-columns:1fr auto;align-items:start;gap:14px;padding:16px;margin-bottom:14px;background:var(--card);border:1px solid var(--line-soft);border-left:3px solid var(--orange);border-radius:var(--r-card)}
.eyebrow{margin:0 0 5px;color:var(--orange-deep);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.eyebrow.dark{color:var(--ink-muted)}
.hero h1,.page-intro h1{margin:0;color:var(--ink);font-size:clamp(27px,8vw,42px);font-weight:700;letter-spacing:-.025em;line-height:1.08}
.hero h1 span,.page-intro h1 span{color:inherit}
.hero-copy,.page-intro>p,.reference-intro>div>p{max-width:56ch;margin:8px 0 0;color:var(--ink-muted);font-size:13.5px}
.hero-score{display:grid;min-width:66px;justify-items:end;padding-top:2px;color:var(--ink);text-align:right}
.hero-score span{font-size:22px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}
.hero-score small{max-width:70px;margin-top:3px;color:var(--ink-muted);font-size:11px;line-height:1.2}
.start-grid{display:grid;gap:14px}
.panel{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card)}
.session-builder,.form-panel,.stats-panel{padding:16px}
.panel-heading,.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.panel-heading h2,.section-heading h2,.reference-section h2{margin:0;color:var(--ink);font-size:18px;line-height:1.25;letter-spacing:-.015em}
.panel-number{color:var(--line);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.field-group{padding:0;margin:20px 0 14px;border:0}
.field-group legend,.filter-grid label>span{display:block;margin-bottom:6px;color:var(--ink-muted);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.segment-control{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:4px;background:var(--card-warm);border:1px solid var(--line);border-radius:var(--r-btn)}
.segment-control button{min-height:44px;padding:8px;background:transparent;border:1px solid transparent;border-radius:8px;font-weight:650;font-variant-numeric:tabular-nums}
.segment-control button.active{color:#fff;background:var(--orange-deep);border-color:var(--orange-deep)}
.filter-grid{display:grid;gap:12px}
select,.search-box input{width:100%;min-height:48px;padding:0 38px 0 12px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);outline:none}
select:focus,.search-box input:focus{border-color:var(--orange);box-shadow:0 0 0 2px var(--orange-soft)}
.selection-note{margin:12px 2px 16px;color:var(--ink-muted);font-size:12.5px}
.primary-button,.secondary-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:14px;padding:12px 16px;border-radius:var(--r-btn);font-weight:700;text-decoration:none}
.primary-button{width:100%;color:#fff;background:var(--orange-deep);border:1px solid var(--orange-deep)}
.primary-button:hover{background:#A94300;border-color:#A94300}.primary-button:active{transform:translateY(1px)}
.primary-button:disabled{cursor:not-allowed;color:var(--ink-muted);background:var(--line-soft);border-color:var(--line)}
.primary-button.compact{width:auto;margin:12px auto 0}
.secondary-button{color:var(--ink-body);background:transparent;border:1px solid var(--line)}
.secondary-button:hover{background:var(--card);border-color:var(--ink-muted)}
.form-visual{display:flex;height:150px;align-items:end;gap:6px;padding:12px 0 14px;border-bottom:1px solid var(--line)}
.box-bar{display:grid;flex:1;min-width:0;justify-items:center;gap:4px}
.box-bar i{display:block;width:100%;min-height:8px;background:var(--ink);border-radius:4px 4px 2px 2px;transition:height .25s}
.box-bar span,.box-bar small{color:var(--ink-muted);font-size:11px;font-variant-numeric:tabular-nums}.box-bar span{color:var(--ink);font-weight:700}
.form-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-top:14px}.form-stats div{display:grid}
.form-stats strong{color:var(--ink);font-size:24px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.form-stats span{color:var(--ink-muted);font-size:12px}
.section-block{margin-top:28px}.section-heading{align-items:flex-end;margin-bottom:10px}
.text-button{min-height:44px;padding:8px 2px;color:var(--orange-deep);background:transparent;border:0;font-size:13px;font-weight:700}
.weak-grid{display:grid;overflow:hidden;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card)}
.weak-card{display:grid;min-height:104px;padding:13px 15px;text-align:left;background:linear-gradient(90deg,var(--orange-soft),var(--card) 68%);border:0;border-top:1px solid var(--line-soft);box-shadow:inset 3px 0 0 var(--orange)}
.weak-card:first-child{border-top:0}.weak-card:hover{background:var(--orange-soft)}
.weak-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.law-badge{display:inline-flex;min-height:24px;align-items:center;padding:2px 8px;color:var(--orange-deep);background:#fff;border:1px solid var(--orange-line);border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.weak-card strong{align-self:end;margin-top:8px;color:var(--ink);font-size:13.5px;line-height:1.35}
.weak-card .accuracy{color:var(--orange-deep);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.weak-card .accuracy.unseen{color:var(--ink-muted);font-size:11px;font-weight:600}
.quiz-shell{width:min(720px,100%);margin:0 auto}.quiz-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.back-button{color:var(--orange-deep)}
.quiz-progress-text{display:flex;gap:12px;color:var(--ink-muted);font-size:12px;font-variant-numeric:tabular-nums}.quiz-progress-text b{color:var(--ink)}
.progress-track{height:4px;margin-bottom:12px;overflow:hidden;background:var(--line);border-radius:2px}.progress-track span{display:block;width:0;height:100%;background:var(--orange);border-radius:inherit;transition:width .25s}
.quiz-card{padding:16px;background:var(--card-warm);border:1px solid var(--line);border-radius:var(--r-card)}
.question-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.question-number{color:var(--ink);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
#question-laws{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:5px}
.mini-law{padding:3px 9px;color:var(--orange-deep);background:var(--orange-soft);border:1px solid var(--orange-line);border-radius:20px;font-size:11px;font-weight:700}
.quiz-card>h1{max-width:64ch;margin:14px 0 18px;color:var(--ink);font-size:17px;font-weight:600;letter-spacing:-.011em;line-height:1.42}
.answer-list{display:grid;gap:8px}
.answer-option{display:grid;grid-template-columns:24px 1fr auto;min-height:48px;align-items:start;gap:10px;width:100%;padding:12px 13px;color:var(--ink-body);text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);font-size:14px;line-height:1.4}
.answer-option:not(:disabled):hover{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}
.answer-option .letter{display:grid;width:22px;height:22px;place-items:center;margin-top:1px;color:var(--ink-muted);background:var(--card-warm);border:1px solid var(--line);border-radius:6px;font-size:12px;font-weight:700;text-transform:lowercase}
.answer-option .answer-state{align-self:center;padding-left:6px;font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.answer-option.correct{background:var(--good-soft);border-color:var(--good-line);border-left:3px solid var(--good)}
.answer-option.correct .letter{color:#fff;background:var(--good);border-color:var(--good)}.answer-option.correct .answer-state{color:var(--good)}
.answer-option.wrong{background:var(--wrong-soft);border-color:var(--wrong-line)}
.answer-option.wrong .letter{color:var(--wrong);background:#fff;border-color:var(--wrong-line)}.answer-option.wrong .answer-state{color:var(--wrong)}
.answer-option:disabled{cursor:default;color:var(--ink-body);opacity:1}.answer-option:disabled:not(.correct,.wrong){opacity:.55}
.feedback-panel{margin-top:16px;padding:14px 15px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card)}
.feedback-title{display:flex;align-items:center;gap:10px}#feedback-icon{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;color:#fff;border-radius:50%;font-weight:700}
.feedback-title strong{color:var(--ink);font-size:14px}.feedback-title p{margin:2px 0 0;color:var(--ink-muted);font-size:12.5px}
.feedback-panel.is-correct{border-color:var(--good-line)}.feedback-panel.is-correct #feedback-icon{background:var(--good)}
.feedback-panel.is-wrong{border-color:var(--wrong-line)}.feedback-panel.is-wrong #feedback-icon{background:var(--wrong)}
.question-context{display:grid;gap:12px;margin:14px 0}.context-label{display:block;margin-bottom:5px;color:var(--ink-muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.chip-list,.reference-links{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:3px 9px;color:var(--ink-muted);background:var(--card-warm);border:1px solid var(--line);border-radius:20px;font-size:11.5px;font-weight:600}
.reference-button{min-height:44px;padding:9px 12px;color:var(--orange-deep);background:#fff;border:1px solid var(--orange-line);border-radius:var(--r-btn);box-shadow:inset 3px 0 0 var(--orange);font-size:12px;font-weight:700}
.results-screen{width:min(620px,100%);margin:0 auto;padding:20px 16px;text-align:center;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card)}
.result-ring{display:grid;width:156px;height:156px;margin:18px auto;place-content:center;background:conic-gradient(var(--orange) var(--score,0%),var(--line-soft) 0);border:10px solid var(--card);border-radius:50%}
.result-ring:before{grid-area:1/1;width:106px;height:106px;content:"";background:var(--card-warm);border-radius:50%}
.result-ring strong,.result-ring span{position:relative;grid-area:1/1;align-self:center;font-variant-numeric:tabular-nums}.result-ring strong{color:var(--ink);font-size:34px;letter-spacing:-.03em}.result-ring span{margin-top:44px;color:var(--ink-muted);font-size:11px}
.results-screen h1{margin:10px 0 4px;color:var(--ink);font-size:clamp(26px,8vw,38px);letter-spacing:-.025em}.results-screen>p:not(.eyebrow){color:var(--ink-muted);font-size:14px}
.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:20px 0;overflow:hidden;background:var(--line);border:1px solid var(--line);border-radius:var(--r-btn)}
.result-stats div{display:grid;padding:12px 8px;background:var(--card-warm)}.result-stats strong{color:var(--ink);font-size:20px;font-variant-numeric:tabular-nums}.result-stats span{color:var(--ink-muted);font-size:11px}.result-actions{display:grid;gap:8px}
.page-intro{padding:4px 2px 18px}.page-intro h1{font-size:clamp(28px,8vw,44px)}
.stats-summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}.summary-card{display:grid;min-height:105px;padding:14px;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card)}
.summary-card strong{align-self:end;color:var(--ink);font-size:27px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.summary-card span{color:var(--ink-muted);font-size:12px}.summary-card.highlight{border-left:3px solid var(--ink)}
.legend{color:var(--ink-muted);font-size:11px}.legend i{display:inline-block;width:7px;height:7px;margin-right:4px;background:var(--orange);border-radius:50%}
.law-stats{display:grid;margin-top:8px}.law-row{display:grid;grid-template-columns:1fr 52px;align-items:center;gap:8px;min-height:76px;padding:10px 0;border-top:1px solid var(--line-soft)}.law-row:first-child{border-top:0}
.law-name{display:grid;min-width:0}.law-name strong{color:var(--ink);font-size:13px}.law-name span{overflow:hidden;color:var(--ink-muted);font-size:11.5px;text-overflow:ellipsis;white-space:nowrap}
.stat-track{grid-column:1/-1;grid-row:2;height:5px;overflow:hidden;background:var(--line-soft);border-radius:3px}.stat-track i{display:block;height:100%;background:#B9C2CF;border-radius:inherit}.stat-track i.low{background:var(--orange)}
.law-score{color:var(--ink);font-size:13px;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}.focus-button{grid-column:1/-1;grid-row:3;min-height:44px;padding:8px 12px;color:var(--orange-deep);background:#fff;border:1px solid var(--orange-line);border-radius:var(--r-btn);font-size:12px;font-weight:700}
.reference-intro{display:grid;gap:16px}.search-box{display:block}.search-box input{padding-right:12px}.reference-section{margin-top:26px}.reference-section .section-heading{align-items:center}.reference-section .section-heading>span{color:var(--ink-muted);font-size:12px;font-variant-numeric:tabular-nums}
.reference-grid,.protocol-grid{display:grid;gap:8px}.reference-card{display:grid;min-height:112px;padding:13px 14px;color:var(--ink-body);text-align:left;background:var(--card);border:1px solid var(--orange-line);border-radius:var(--r-card);box-shadow:inset 3px 0 0 var(--orange)}
.reference-card:hover{background:var(--orange-soft)}.reference-card .ref-number{color:var(--orange-deep);font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.reference-card strong{align-self:end;margin:8px 0;color:var(--ink);font-size:14px;line-height:1.3}.reference-card span:last-child{color:var(--ink-muted);font-size:11.5px}.protocol-card{min-height:128px}
.empty-search{grid-column:1/-1;padding:28px 18px;margin:0;color:var(--ink-muted);text-align:center;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card)}
.reference-dialog{width:min(760px,calc(100% - 20px));max-height:min(92vh,900px);padding:0;color:var(--ink-body);background:var(--card-warm);border:1px solid var(--line);border-radius:var(--r-card)}
.reference-dialog::backdrop{background:rgba(15,30,54,.64)}.dialog-header{position:sticky;z-index:2;top:0;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px;background:var(--card);border-bottom:1px solid var(--line)}
.dialog-header h2{margin:3px 0 0;color:var(--ink);font-size:clamp(20px,5vw,29px);line-height:1.15;letter-spacing:-.02em}.dialog-kicker{color:var(--orange-deep);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.dialog-close{display:grid;width:44px;height:44px;flex:0 0 44px;place-items:center;color:var(--ink-muted);background:var(--card-warm);border:1px solid var(--line);border-radius:var(--r-btn);font-size:22px}.dialog-body{padding:16px;overflow-wrap:break-word}.dialog-body>.loader{margin:48px auto}
.markdown h1{margin:0 0 18px;color:var(--ink);font-size:clamp(24px,7vw,36px);line-height:1.18;letter-spacing:-.025em}.markdown h2{margin:24px 0 8px;padding-top:12px;color:var(--ink);border-top:1px solid var(--line);font-size:18px;line-height:1.3}.markdown h3{margin:20px 0 6px;color:var(--ink);font-size:15px}.markdown p{margin:8px 0;color:var(--ink-body);font-size:14px;line-height:1.62}.markdown ul{margin:8px 0;padding-left:20px}.markdown li{margin:5px 0;padding-left:2px;font-size:14px;line-height:1.58}.markdown li::marker{color:var(--orange-deep)}.markdown strong{color:var(--ink)}
.mobile-nav{position:fixed;z-index:19;right:10px;bottom:10px;left:10px;display:grid;grid-template-columns:repeat(3,1fr);min-height:62px;padding:4px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card)}
.mobile-nav .nav-item{display:grid;place-content:center;gap:1px;border-radius:9px;font-size:11px}.mobile-nav .nav-item span{color:var(--ink-muted);font-size:12px}.mobile-nav .nav-item.active{color:#fff;background:var(--orange-deep)}.mobile-nav .nav-item.active span{color:#fff}
@media(min-width:560px){
  main{width:min(calc(100% - 40px),1080px);padding-top:32px}.site-header{padding:0 clamp(20px,4vw,64px)}.brand b,.brand em{font-size:15px}
  .filter-grid,.question-context{grid-template-columns:1fr 1fr}.result-actions{grid-template-columns:1fr 1fr}.reference-grid,.protocol-grid{grid-template-columns:1fr 1fr}
  .law-row{grid-template-columns:minmax(170px,1.4fr) minmax(120px,2fr) 58px 126px;min-height:64px;gap:12px}.stat-track,.focus-button{grid-column:auto;grid-row:auto}
  .dialog-header,.dialog-body{padding-right:clamp(20px,4vw,34px);padding-left:clamp(20px,4vw,34px)}
}
@media(min-width:780px){
  .desktop-nav{display:flex;align-self:stretch;gap:10px}.desktop-nav .nav-item:after{position:absolute;right:10px;bottom:0;left:10px;height:3px;background:transparent;content:""}.desktop-nav .nav-item.active:after{background:var(--orange)}
  .mobile-nav{display:none}main{padding-bottom:60px}.start-grid{grid-template-columns:minmax(0,1.5fr) minmax(280px,.8fr)}.session-builder,.form-panel,.stats-panel,.quiz-card{padding:22px}
  .weak-grid{grid-template-columns:repeat(3,1fr)}.weak-card{min-height:130px;border-top:0;border-left:1px solid var(--line-soft)}.weak-card:first-child{border-left:0}
  .stats-summary{grid-template-columns:repeat(4,1fr)}.reference-intro{grid-template-columns:1fr minmax(260px,320px);align-items:end}.reference-grid,.protocol-grid{grid-template-columns:repeat(3,1fr)}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}