:root{--ink:#182f32;--muted:#5c7073;--teal:#174e53;--line:#dbe4e2;--paper:#fff;--wash:#f5f7f4;--accent:#e2eee6;--bad:#a43735;--good:#216749;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--wash);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #bd811e;outline-offset:4px}button:disabled{cursor:default;opacity:.5}header{height:95px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);background:#fff}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-size:22px;font-weight:650;line-height:1.2}.brandmark{background:var(--teal);color:#fff;width:43px;height:43px;border-radius:50%;text-align:center;font:italic 37px Georgia,serif;line-height:43px}.brand-sub{display:block;font-size:11px;letter-spacing:2.8px;margin-top:5px}.header-note{font-size:16px;color:var(--muted)}.layout{display:grid;grid-template-columns:245px minmax(0,780px);gap:66px;max-width:1190px;margin:48px auto;padding:0 30px}aside{padding-top:7px;align-self:start;position:sticky;top:24px}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:750;color:var(--muted);line-height:1.6}select{width:100%;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 9px;margin-top:9px;color:var(--ink);font-size:16px}.aside-note{color:var(--muted);font-size:15px;line-height:1.8;margin:13px 0 27px}.progress-label{display:flex;justify-content:space-between;font-size:14px}progress{width:100%;height:5px;appearance:none;display:block;margin:10px 0 22px;border:0;border-radius:9px;overflow:hidden;background:#dfe6e0}progress::-webkit-progress-bar{background:#dfe6e0}progress::-webkit-progress-value{background:var(--teal)}progress::-moz-progress-bar{background:var(--teal)}#question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.nav-question{height:37px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);font-size:15px;position:relative}.nav-question.active{border:2px solid var(--teal);color:var(--teal);font-weight:750}.nav-question.checked{background:#e0eee5;color:#245c42}.nav-question.revealed{background:#f4e8d3;color:#775018}.nav-question.marked::after{content:'•';position:absolute;top:-4px;right:3px;color:#a43735}.legend{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin:12px 0 24px}.primary,.secondary{border-radius:7px;padding:12px 17px;font-size:15px;font-weight:650;min-height:43px}.primary{background:var(--teal);color:#fff}.primary:hover{background:#123f43}.secondary{background:transparent;border:1px solid #c5d2cf;color:var(--teal)}.secondary:hover{background:#e9efeb}.text-button{background:none;color:var(--muted);font-size:14px;padding:12px 4px;text-decoration:underline;text-underline-offset:3px}.text-button:hover{color:var(--ink)}.full{width:100%}#miss-count{background:#dde7df;padding:2px 6px;border-radius:4px;margin-left:5px}.stats{margin-top:22px;border-top:1px solid var(--line);padding-top:15px;font-size:14px;line-height:1.9;color:var(--muted)}.stats strong{color:var(--ink)}.storage-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:18px}.intro{margin-bottom:30px}.intro .eyebrow{margin:0 0 11px}h1{font:normal 42px/1.1 Georgia,serif;letter-spacing:-1.2px;margin:0 0 15px}.intro>p:last-child{max-width:560px;color:var(--muted);font-size:16px;line-height:1.9;margin:0}.question-card{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:29px 31px;box-shadow:0 8px 30px #233b2f04}.question-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.status{font-size:12px;background:#edf2ee;padding:5px 9px;border-radius:20px;color:var(--muted)}h2{font:normal 27px/1.3 Georgia,serif;margin:18px 0 8px;letter-spacing:-.3px}.question-instruction{color:var(--muted);font-size:14px;margin-bottom:24px}.statement{padding:17px 0;border-top:1px solid #e8eeeb;display:grid;grid-template-columns:22px 1fr auto;column-gap:10px;align-items:center}.letter{font-size:14px;font-weight:750;color:var(--muted);align-self:start;padding-top:5px}.statement-text{font-size:16px;line-height:1.75;margin:0;padding-right:10px}.choices{display:flex;gap:5px}.choice{font-size:14px;border:1px solid var(--line);border-radius:6px;width:48px;min-height:36px;background:#fff;color:var(--muted)}.choice[aria-pressed=true]{background:var(--teal);border-color:var(--teal);color:#fff;box-shadow:0 0 0 1px var(--teal)}.choice:disabled{opacity:1}.choice.correct[aria-pressed=true]{background:var(--good);border-color:var(--good);box-shadow:none}.choice.incorrect[aria-pressed=true]{background:var(--bad);border-color:var(--bad);box-shadow:none}.result-label{grid-column:2 / 4;font-size:12px;line-height:1.7;margin-top:6px;color:var(--muted)}.result-label.wrong{color:var(--bad)}.result-label.right{color:var(--good)}.confidence{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:4px;font-size:14px}.confidence small{font-size:11px;color:var(--muted);margin-left:6px}.confidence button{padding:8px 11px;border-radius:5px;font-size:12px;background:#f1f4f1;margin-left:5px;color:var(--muted);border:1px solid transparent}.confidence button[aria-pressed=true]{border-color:var(--teal);background:#e4eeea;color:var(--teal)}.actions{display:flex;align-items:center;gap:15px;margin-top:24px;flex-wrap:wrap}.remaining{font-size:12px;color:var(--muted)}.message{font-size:14px;color:var(--bad);margin:8px 0 0}.message:empty{display:none}.question-bottom{border-top:1px solid var(--line);padding-top:23px;margin-top:27px;display:flex;align-items:center;justify-content:space-between;gap:9px}.question-bottom>span{font-size:12px;color:var(--muted)}.feedback{margin-top:24px;border-top:1px solid var(--line);padding-top:21px}.feedback h3{font-size:16px;margin:0 0 13px}.feedback p{font-size:15px;line-height:1.85;margin:5px 0}.feedback .scoreline{font-size:16px;font-weight:650;margin-bottom:7px}.feedback .feedback-note{font-size:14px;color:var(--muted);margin-bottom:22px}.feedback .priority{margin-top:22px;font-weight:650;font-size:15px}.feedback .tip{margin-top:20px}.feedback .tip>strong:first-child{display:block;margin-bottom:3px}.feedback .retry{margin-top:12px}.summary{border:1px solid #bfd5c9;background:#e8f0e9;padding:20px 23px;border-radius:10px;margin-bottom:22px}.summary h2{font-size:25px;margin:0 0 8px}.summary p{font-size:15px;line-height:1.8;margin:0}footer{font-size:12px;line-height:1.9;color:var(--muted);margin:22px 3px 40px}[hidden]{display:none!important}@media(max-width:1000px){.layout{gap:28px;grid-template-columns:210px minmax(0,1fr)}.statement{grid-template-columns:18px 1fr}.choices{grid-column:2;margin-top:10px}.result-label{grid-column:2}h1{font-size:37px}}@media(max-width:700px){header{height:76px;padding:0 20px}.header-note{font-size:12px}.brand{font-size:19px}.brandmark{width:35px;height:35px;font-size:31px;line-height:35px}.layout{display:flex;flex-direction:column;margin:25px auto;padding:0 16px;gap:25px}aside{position:static;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}aside>.eyebrow,aside>select,aside>.aside-note,aside>.stats,aside>.storage-note,aside>#reset{grid-column:1 / -1}.aside-note{margin:0 0 8px}aside>.progress-label,aside>progress,aside>nav,aside>.legend{grid-column:1 / -1}progress{margin:0 0 6px}#question-nav{grid-template-columns:repeat(10,1fr);gap:4px}.nav-question{height:31px;font-size:12px}.legend{margin:3px 0 4px}#review-mistakes{grid-column:1 / -1}.stats{margin-top:0;padding-top:9px}.storage-note{margin:0}#reset{text-align:left;justify-self:start;padding:4px 0}.intro{margin-bottom:22px}h1{font-size:35px}.question-card{padding:23px 19px}h2{font-size:25px}.statement{padding:16px 0}.statement-text{font-size:16px}.choice{min-height:42px;width:64px;font-size:15px}.confidence{align-items:flex-start}.confidence small{display:block;margin:5px 0}.actions{gap:12px}.question-bottom{flex-wrap:wrap}.question-bottom>span{display:none}.question-bottom button{font-size:14px;padding:10px 12px}.feedback p{font-size:16px}#all-questions{grid-column:1 / -1}}@media(prefers-reduced-motion:no-preference){button{transition:background .12s,border-color .12s}}

/* Keep enlarged answer controls comfortable at normal browser zoom. */
.choice{width:58px;min-height:42px}.confidence button{min-height:38px}.nav-question{min-height:39px}@media(max-width:700px){.choice{width:68px}.nav-question{min-height:35px}}

.choice{width:auto;min-width:58px;padding:0 10px;white-space:nowrap}.choice.answer-correct,.choice.answer-correct[aria-pressed=true]{background:#216749;color:#fff;border:2px solid #184e37;box-shadow:none;font-weight:750}.choice.answer-wrong,.choice.answer-wrong[aria-pressed=true]{background:#fce9e7;color:#922c29;border:2px solid #b74842;box-shadow:none;font-weight:700}@media(max-width:700px){.choice{min-width:68px}}

.statement-explanation{grid-column:2 / -1;margin:12px 0 0;padding:11px 14px;border-left:3px solid #b9cebf;background:#f2f7f3;border-radius:0 5px 5px 0;font-size:15px;line-height:1.8;color:var(--ink)}.statement-explanation strong{color:var(--teal)}@media(max-width:700px){.statement-explanation{font-size:16px;padding:10px 12px}}

.summary .score-caption{margin-top:16px;font-weight:650;color:var(--teal)}.summary .final-score{font-size:48px;font-weight:750;line-height:1.2;letter-spacing:-1px;margin:5px 0 12px}.final-score-small{font-size:17px;margin-bottom:8px}

#open-starred{margin-bottom:10px}#star-count{margin-left:4px}.statement-star{align-self:center;background:transparent;color:#667976;font-size:26px;line-height:1;min-width:36px;min-height:42px;border:1px solid transparent;border-radius:6px;padding:4px}.statement-star[aria-pressed=true]{color:#916300;background:#fff3cd;border-color:#e5cb7d}.choices{align-items:center}.starred-focus{outline:2px solid #d6b45d;outline-offset:6px}#starred-dialog{width:min(740px,calc(100% - 28px));max-height:85vh;border:1px solid var(--line);border-radius:14px;padding:26px;color:var(--ink);background:var(--paper)}#starred-dialog::backdrop{background:#102c3280}.starred-header{display:flex;justify-content:space-between;align-items:start;gap:15px}.starred-header h2{margin:0;font-size:28px}.starred-intro,.starred-empty{font-size:14px;line-height:1.8;color:var(--muted)}.starred-group h3{font-size:17px;margin:25px 0 12px}.starred-item{padding:18px 0;border-top:1px solid var(--line)}.starred-location{font-size:12px;color:var(--muted);margin:0 0 8px}.starred-statement{font-size:16px;line-height:1.8;margin:0}.starred-actions{display:flex;gap:16px;margin-top:12px}@media(max-width:700px){#open-starred{grid-column:1 / -1}#starred-dialog{padding:20px}.starred-header h2{font-size:24px}}

.answer-origin{grid-column:2 / -1;justify-self:start;margin:10px 0 0;padding:5px 9px;border-radius:5px;font-size:13px;line-height:1.6;font-weight:600}.origin-attempted{background:#e7eef2;color:#294d62}.origin-revealed{background:#fff1d5;color:#795513}.question-top .status{white-space:normal;text-align:right}@media(max-width:700px){.answer-origin{font-size:14px}}

.statement-reference{display:block;font-size:12px;line-height:1.6;font-weight:500;color:var(--muted);margin-top:7px}.starred-item>.statement-reference{margin-bottom:0}@media(max-width:700px){.statement-reference{font-size:13px}}

#open-search{margin-bottom:10px}#search-dialog{width:min(850px,calc(100% - 28px));max-height:85vh;border:1px solid var(--line);border-radius:14px;padding:26px;color:var(--ink)}#search-dialog::backdrop{background:#102c3280}#search-form{margin-top:22px}.search-controls{display:flex;gap:10px;margin:9px 0 14px}#search-query{min-width:0;flex:1;font:inherit;font-size:17px;padding:12px;border:1px solid #aebfbb;border-radius:7px}#search-status{font-size:15px;color:var(--teal)}#search-results mark{background:#ffe6a0;color:inherit}#search-results .secondary{margin-top:12px}input:focus-visible{outline:3px solid #bd811e;outline-offset:3px}@media(max-width:700px){#open-search{grid-column:1 / -1}#search-dialog{padding:20px}.search-controls{flex-wrap:wrap}#search-query{flex-basis:100%}}

.lecture-label{display:block;margin-top:20px}#subject{margin-bottom:4px}@media(max-width:700px){aside>label[for="subject"],aside>#subject{grid-column:1 / -1}.lecture-label{margin-top:8px}}
.nav-question{min-width:0;padding:0}

.feedback .difficulty{font-weight:650;margin-top:22px}.feedback .difficulty + .priority{margin-top:0}

.question-timer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;border:1px solid var(--line);border-radius:9px;background:#f5f8f5;padding:14px 16px;margin:0 0 24px}.question-timer>div{display:flex;align-items:center;flex-wrap:wrap;gap:12px}#timer-label{font-size:14px;font-weight:650}#timer-display{font-size:23px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:1px}#timer-state{font-size:13px;color:var(--muted)}.question-timer small{flex-basis:100%;font-size:12px;line-height:1.7;color:var(--muted)}.question-timer button{white-space:nowrap}@media(max-width:700px){.question-timer{padding:12px}.question-timer>div{gap:9px}#timer-display{font-size:21px}}

.answers-locked .choice{opacity:.45;cursor:not-allowed}

.topic-timer{margin:18px 0 22px;padding:13px;gap:10px}.topic-timer>div{width:100%;gap:8px}.topic-timer #timer-label{width:100%;font-size:13px}.topic-timer #timer-display{font-size:25px}.topic-timer small{font-size:12px}.topic-total{font-weight:700;color:var(--teal)}@media(max-width:700px){aside>.topic-timer{grid-column:1 / -1;margin:10px 0}.topic-timer>div{width:auto;flex:1}.topic-timer #timer-toggle{width:auto}}

#marks-panel{margin:0 0 26px}.marks-heading{font-size:23px;margin:0 0 12px}.marks-comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.marks-box{padding:20px;border:1px solid var(--line);border-radius:10px;background:#fff;min-width:0}.marks-negative{background:#eef4f0;border-color:#bbd0c3}.marks-box h3{font:650 16px/1.5 system-ui;margin:0 0 12px}.marks-box .marks-value{font-size:32px;font-weight:750;line-height:1.2;margin:0 0 7px;letter-spacing:-.5px}.marks-box .marks-percent{font-size:17px;font-weight:650;color:var(--teal);margin:0 0 14px}.marks-box .marks-rule{font-size:13px;line-height:1.7;color:var(--muted);margin:10px 0 0}.marks-select-label{display:block;font-size:13px;line-height:1.7;color:var(--muted)}.marks-box select{margin-top:5px;padding:8px;font-size:15px}.marks-note{font-size:13px!important;line-height:1.7!important;color:var(--muted);margin:8px 0!important}@media(max-width:500px){.marks-comparison{gap:9px}.marks-box{padding:12px}.marks-box h3{font-size:14px}.marks-box .marks-value{font-size:25px}.marks-box .marks-percent{font-size:15px}.marks-box .marks-rule,.marks-select-label{font-size:12px}}

#open-dashboard{margin-bottom:10px}#dashboard-dialog{width:min(1100px,calc(100% - 24px));max-height:88vh;border:1px solid var(--line);border-radius:14px;padding:26px;color:var(--ink);background:var(--paper)}#dashboard-dialog::backdrop{background:#102c3280}.dashboard-count{color:var(--teal);font-size:15px;font-weight:650}.dashboard-table-wrap{overflow-x:auto;margin:20px 0}.dashboard-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;min-width:700px}.dashboard-table th,.dashboard-table td{padding:16px 12px;border-bottom:1px solid var(--line);vertical-align:middle}.dashboard-table thead th{font-size:12px;color:var(--muted);background:#f3f7f3;white-space:nowrap}.dashboard-table small{display:block;color:var(--muted);font-size:12px;font-weight:400;line-height:1.7;margin-top:4px}.dashboard-topic{max-width:280px}.dashboard-topic strong{font-weight:650}.dashboard-percent{font-size:22px;color:var(--teal);font-variant-numeric:tabular-nums}.dashboard-time{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:650}.dashboard-empty{padding:28px 0;color:var(--muted);line-height:1.8}.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}@media(max-width:700px){#open-dashboard{grid-column:1 / -1}#dashboard-dialog{padding:18px}.dashboard-table th,.dashboard-table td{padding:13px 10px}}

.account-bar{margin:20px auto 0;max-width:1320px;padding:16px 24px;border:1px solid var(--line);border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px}.account-bar strong{font-size:16px}.account-bar p{font-size:14px;margin:5px 0 0;color:var(--teal)}.account-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.account-actions a{text-decoration:none;font-size:14px}.account-actions .secondary{padding:10px 14px;border:1px solid var(--line);border-radius:6px;color:var(--ink)}[hidden]{display:none!important}#import-dialog,#conflict-dialog{width:min(760px,calc(100% - 28px));max-height:85vh;overflow:auto;padding:25px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--paper)}#import-dialog::backdrop,#conflict-dialog::backdrop{background:#102c3280}.conflict-item{border-top:1px solid var(--line);padding:16px 0}.conflict-item p{font-size:15px;white-space:pre-wrap}.conflict-item button{margin:5px 12px 0 0}#sync-status[data-state="error"],#sync-status[data-state="conflict"]{color:#a44324}@media(max-width:700px){.account-bar{margin:12px;align-items:flex-start;flex-direction:column;padding:14px}.account-actions{gap:8px}.account-actions button,.account-actions a{font-size:13px}}

/* Question-type tabs and OBA layout */
.type-label{margin-top:18px}
.type-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:9px;padding:4px;background:#e8eeeb;border-radius:9px}
.type-tab{border-radius:6px;padding:9px 0;font-size:14px;font-weight:700;letter-spacing:.5px;background:transparent;color:var(--muted)}
.type-tab[aria-selected=true]{background:#fff;color:var(--teal);box-shadow:0 1px 2px rgba(23,78,83,.18)}
.type-tab:not(:disabled):not([aria-selected=true]):hover{color:var(--teal)}
aside>.type-label,aside>.type-tabs{grid-column:1 / -1}
.oba{border-top:1px solid #e8eeeb;padding-top:18px}
.oba-stem{font-size:16px;line-height:1.75;margin:0 0 16px}
.oba-lead{display:inline;color:var(--ink)}
.oba-options{display:grid;gap:9px}
.choice.oba-option{display:flex;align-items:flex-start;gap:12px;width:100%;min-width:0;padding:12px 14px;text-align:left;white-space:normal;font-size:15px;line-height:1.6;color:var(--ink);min-height:48px}
.choice.oba-option[aria-pressed=true]{color:#fff}
.oba-letter{font-weight:750;min-width:16px;color:inherit;opacity:.8}
.oba-text{flex:1}
.oba-mark{font-weight:800;margin-left:8px}
.oba-reference{display:block;margin-top:12px}
.oba-explain{margin-top:18px;padding:12px 16px;border-left:3px solid #b9cebf;background:#f2f7f3;border-radius:0 6px 6px 0}
.oba-explain h3{font-size:15px;margin:0 0 6px;color:var(--teal)}
.oba-explain p{margin:6px 0;line-height:1.75;font-size:15px}
.oba-explain strong{color:var(--teal)}
.marks-comparison.marks-single{grid-template-columns:1fr}

.choice.oba-option.answer-correct,.choice.oba-option.answer-correct[aria-pressed=true]{color:#fff}
.choice.oba-option.answer-wrong,.choice.oba-option.answer-wrong[aria-pressed=true]{color:#922c29}

/* Cleanup: top nav, quieter page, phone-first question */
.top-nav{display:flex;align-items:center;gap:4px}
.nav-link{background:none;border:0;padding:8px 13px;border-radius:7px;font-size:15px;font-weight:650;color:var(--muted);text-decoration:none;cursor:pointer}
.nav-link:hover{color:var(--teal);background:#eef3f0}
.nav-link[aria-current=page]{color:var(--teal);background:#e3eee9}
.stats{display:none!important}
#storage-note{display:none}
#storage-note.warn{display:block;color:var(--bad)}
.lock-hint{display:block;width:100%;margin:4px 0 6px;padding:11px 14px;border:1px dashed #b9cebf;border-radius:8px;background:#f2f7f3;color:var(--teal);font-size:14px;text-align:left}
.lock-hint:hover{background:#e7f0eb}
.aside-more-toggle{display:none}
.aside-more{display:block}
.search-hit{display:block;width:100%;text-align:left;background:transparent;border:0;border-top:1px solid var(--line);padding:12px 6px;border-radius:0;cursor:pointer;color:var(--ink)}
.search-hit:hover{background:#f2f7f3}
.search-hit .starred-location{margin:0 0 4px}
.search-hit .starred-statement{margin:0}
@media(max-width:700px){.top-nav{gap:0}.nav-link{padding:7px 8px;font-size:14px}.aside-more-toggle{display:flex;justify-content:space-between;align-items:center;grid-column:1/-1;width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--teal);font-weight:650;font-size:15px}.aside-more{display:none;grid-column:1/-1}body.aside-open .aside-more{display:block}body.aside-open .aside-more-toggle span:last-child{transform:rotate(180deg)}.aside-more>.secondary,.aside-more>.text-button{width:100%;margin-top:8px}}
@media(max-width:380px){.brand-sub{display:none}}
.nav-link{display:inline-flex;align-items:center;height:36px;line-height:1;font-family:inherit}
@media(max-width:700px){.brand{font-size:17px;gap:8px}.brandmark{width:32px;height:32px;font-size:28px;line-height:32px}.brand-sub{white-space:nowrap;letter-spacing:1.6px;font-size:10px}.nav-link{height:32px;padding:0 7px;font-size:13px}header{padding:0 14px}}
.top-nav .nav-link{margin:0!important;width:auto!important}
/* Score-so-far bar (target 90%) */
.score-bar{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:16px}
.score-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.score-left{display:flex;align-items:baseline;gap:10px}
.score-label{font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);font-weight:700}
.score-pct{font-size:26px;color:var(--bad);font-variant-numeric:tabular-nums}
.score-chip{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:#fce9e7;color:#922c29;white-space:nowrap}
.score-track{position:relative;height:8px;background:#e8eeeb;border-radius:4px;margin:10px 0 8px}
.score-fill{position:absolute;left:0;top:0;bottom:0;background:var(--bad);border-radius:4px}
.score-target{position:absolute;top:-4px;bottom:-4px;width:2px;background:var(--ink);margin-left:-1px}
.score-meta{margin:0;font-size:13px;color:var(--muted)}
.score-bar.on-target .score-pct{color:var(--good)}
.score-bar.on-target .score-chip{background:#e3f1e9;color:#184e37}
.score-bar.on-target .score-fill{background:var(--good)}

/* Separate the question grid from the review tools at every screen size. */
.aside-more #question-nav{margin-bottom:16px}
.aside-more #open-starred{margin-top:0;margin-bottom:12px}
.aside-more #review-mistakes{margin-top:0;margin-bottom:8px}
.site-footer{max-width:1190px;margin:0 auto;padding:26px max(5vw,24px) 44px;border-top:1px solid var(--line);font-size:14px;line-height:1.7;color:var(--muted)}.site-footer p{margin:0 0 4px}.site-footer strong{color:var(--ink);font-weight:650}
.link-lede{color:var(--muted);font-size:15px;margin:4px 0 18px}.link-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.link-box{border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:#fff}.link-box h3{font-size:16px;margin:0 0 6px}.link-box p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 12px}.link-qr{width:200px;max-width:100%;margin:6px auto 4px}.link-qr svg{display:block;width:100%;height:auto}.link-code{font:600 34px/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:4px;text-align:center;color:var(--ink)!important;margin:4px 0 8px!important}.link-status{font-size:13px!important;color:var(--teal)!important;min-height:1em}.link-actions{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.link-input{font:600 24px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:3px;width:100%;max-width:220px;padding:10px 12px;border:1px solid var(--line);border-radius:8px}.link-input.wide{font-size:15px;letter-spacing:1px;max-width:100%}.link-more{margin-top:18px;font-size:14px;color:var(--muted)}.link-more summary{cursor:pointer;color:var(--teal);font-weight:650}.link-more p{line-height:1.6}.link-backup{font:600 16px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);word-break:break-all}.secondary.danger{color:var(--bad);border-color:#e3c2c1}#link-dialog{max-width:720px;width:calc(100% - 32px)}@media(max-width:700px){.link-grid{grid-template-columns:1fr}}
.link-view{min-width:min(460px,80vw);max-width:520px}.link-choice{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 16px;margin:0 0 12px;color:var(--ink)}.link-choice:hover{border-color:var(--teal);background:#f3f8f6}.link-choice strong{display:block;font-size:16px;margin-bottom:3px}.link-choice small{display:block;font-size:14px;line-height:1.5;color:var(--muted)}.link-choice>span:nth-child(2){flex:1}.link-choice-icon{flex:none;width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--teal);font-weight:750;font-size:19px;display:grid;place-items:center}.link-choice-arrow{color:var(--teal);font-size:18px}.link-back{padding:4px 0;margin-bottom:6px}.link-step-title{font:normal 22px/1.3 Georgia,serif;margin:4px 0 6px}.link-help{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 14px}.link-center{justify-content:center}#link-show-view .link-status{text-align:center}
dialog{border:1px solid var(--line);border-radius:14px;padding:24px;color:var(--ink);background:var(--paper);box-shadow:0 18px 50px #0f2a2e33}dialog::backdrop{background:#102c3280}dialog:focus,dialog:focus-visible{outline:none}@media(max-width:700px){dialog{padding:18px}}
.nav-link{white-space:nowrap}@media(max-width:440px){.brand>span:last-child{display:none}}
/* ---------- Practice flow: choose a lecture -> start -> questions ---------- */
.layout{display:block;max-width:820px;margin:30px auto 44px;padding:0 24px}
.account-bar{max-width:820px;margin:14px auto 0;padding:8px 14px;border-radius:8px;gap:12px;flex-direction:row;align-items:center}
.account-line{margin:0;font-size:13.5px;color:var(--muted);line-height:1.5}.account-line strong{font-size:13.5px;color:var(--ink);margin-right:4px}
#sync-status{color:var(--teal)}#sync-status[data-state=error],#sync-status[data-state=conflict]{color:var(--bad)}
.account-actions .text-button{padding:6px 2px;font-size:13.5px}
.list-view h1,.start-view h1{font:400 40px/1.1 Georgia,serif;letter-spacing:-.8px;margin:6px 0 20px;text-wrap:balance}
.subject-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.subject-tab{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:8px 15px;font-size:14.5px;font-weight:650}
.subject-tab:hover{color:var(--teal);border-color:#bccdc8}.subject-tab[aria-selected=true]{background:var(--teal);border-color:var(--teal);color:#fff}
.lecture-rows{list-style:none;margin:0;padding:0}
.lecture-row{display:grid;grid-template-columns:1fr auto 112px;align-items:center;gap:4px 16px;border-bottom:1px solid var(--line)}
.row-main{display:flex;flex-direction:column;gap:2px;padding:15px 0;text-decoration:none;color:var(--ink);min-width:0}
.row-main:hover .row-title{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.row-title{font-size:16.5px;line-height:1.4}.row-meta{font-size:13px;color:var(--muted)}
.row-oba{font-size:13px;color:var(--teal);font-weight:650;text-decoration:none;border:1px solid var(--line);border-radius:6px;padding:4px 9px;white-space:nowrap}
.row-oba:hover{border-color:var(--teal)}
.row-progress{font-size:13.5px;color:#8a9a9c;text-align:right;font-variant-numeric:tabular-nums;grid-column:3}
.row-progress.started{color:var(--teal);font-weight:600}.row-progress.done{color:var(--good);font-weight:600}
.back-link{display:inline-block;font-size:14px;color:var(--muted);text-decoration:none;padding:4px 0}.back-link:hover{color:var(--teal)}
.start-view{max-width:620px}
.start-course{margin:22px 0 0;color:var(--muted);font-size:14px}
.start-meta{color:var(--muted);font-size:16px;margin:-8px 0 20px}
.start-view .type-tabs{max-width:240px;margin:0 0 22px}
.start-how{margin:0 0 26px;padding-left:22px;line-height:1.75;font-size:16px}.start-how li{margin:5px 0;padding-left:4px}
.start-go{min-width:180px;font-size:16px;min-height:48px}
.start-note{font-size:13px;color:var(--muted);margin:12px 0 0}
.q-line{display:flex;align-items:center;gap:6px 14px;font-size:14px;color:var(--muted);margin:0 0 14px}
.q-line-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.q-line-pos,.q-line-more{background:none;border:1px solid var(--line);border-radius:6px;padding:5px 10px;font-size:13.5px;color:var(--teal);font-weight:650;white-space:nowrap}
.q-line-pos:hover,.q-line-more:hover{border-color:var(--teal)}
.q-line-time{font-variant-numeric:tabular-nums;color:var(--muted)}
#question-number{font-size:13px;color:var(--muted);letter-spacing:0;font-weight:600}
#statements:not(.answered) .statement-reference,#statements:not(.answered) .statement-star{display:none}
#grid-dialog,#more-dialog{width:min(460px,calc(100vw - 32px))}
#grid-dialog #question-nav{grid-template-columns:repeat(5,1fr);margin-top:16px}
.grid-key{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:12.5px;color:var(--muted);margin:16px 0 0}
.grid-key .key{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid var(--line);margin-right:-4px}
.grid-key .key.checked{background:#e0eee5}.grid-key .key.revealed{background:#f4e8d3}.grid-key .key.marked{background:#fff;border-color:#a43735}
.more-details{color:var(--muted);font-size:14px;margin:12px 0 14px}
.more-timer{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;border-top:1px solid var(--line);padding-top:12px}
.more-timer p{margin:0;flex:1;font-size:14.5px}.more-timer small{flex-basis:100%;color:var(--muted);font-size:12.5px;line-height:1.6}
.more-actions{display:grid;gap:8px;margin:16px 0 4px}.more-actions .secondary{margin:0}
#more-dialog .stats{margin-top:12px}
.summary-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.summary-links a{text-decoration:none;display:inline-flex;align-items:center}
.priority-reason{margin:6px 0 0}.priority-reason summary{cursor:pointer;color:var(--teal);font-size:14px;font-weight:600}.priority-reason p{margin:6px 0 0}
@media(max-width:700px){.account-bar{margin:10px 16px 0;flex-direction:row;align-items:center;padding:7px 12px}.layout{display:block;margin:20px auto 32px;padding:0 16px}
.list-view h1,.start-view h1{font-size:32px}.lecture-row{grid-template-columns:1fr auto}.row-progress{grid-column:1;text-align:left;margin:-11px 0 13px}
.q-line{gap:6px 10px}.q-line-title{display:none}.q-line-time{margin-left:auto}#grid-dialog #question-nav{grid-template-columns:repeat(5,1fr)}#grid-dialog .nav-question{height:40px;font-size:15px}}
.q-line #timer-display{font-size:14px;font-weight:500;letter-spacing:0;color:var(--muted)}
.account-bar{max-width:772px}.account-actions{flex-shrink:0}.account-actions .text-button{white-space:nowrap}
.grid-key .key.marked{width:7px;height:7px;border-radius:50%;background:#a43735;border:0;margin:0 -2px 0 2px}
@media(max-width:700px){.account-bar{max-width:none}.account-line strong{display:none}.account-line{font-size:13px}}
body[data-view=dashboard] .account-bar{max-width:1130px}
.list-search{margin:0 0 14px}
.list-search input{width:100%;max-width:420px;font:inherit;font-size:16px;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.list-search input:focus-visible{outline:3px solid #bd811e;outline-offset:2px}
.list-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;margin-bottom:6px}
.list-controls .subject-tabs{margin:0}
.list-type{width:150px;margin:0}.list-type .type-tab{padding:7px 0}
.list-empty{color:var(--muted);font-size:15px;margin:18px 0 6px}
#open-search{padding:10px 0;font-size:14.5px;color:var(--teal)}
.q-tools{margin-top:22px;padding:18px 4px 0}
.q-tools-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 14px;font-size:13.5px;color:var(--muted);margin:0 0 10px}
.q-tools .grid-key{margin:0}
.q-tools #question-nav{grid-template-columns:repeat(10,1fr);gap:6px}
.q-tools-links{display:flex;flex-wrap:wrap;gap:2px 18px;margin:12px 0 0}
.q-tools-links .text-button{padding:8px 0;font-size:14px}
.q-tools-links #miss-count,.q-tools-links #star-count{margin-left:4px}
#storage-note:not(.warn){display:none}
@media(max-width:700px){.list-controls{flex-direction:column;align-items:stretch}.list-type{width:100%}.q-tools{padding:16px 0 0}.q-tools #question-nav{gap:4px}}
.subject-tabs{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;background:#e8eeeb;border-radius:9px}
.subject-tab,.subject-tab:hover{border:0;border-radius:6px;background:transparent;padding:8px 14px;font-size:14px;font-weight:700;color:var(--muted)}
.subject-tab:hover{color:var(--teal)}
.subject-tab[aria-selected=true]{background:#fff;color:var(--teal);box-shadow:0 1px 2px rgba(23,78,83,.18)}
.site-footer{font-size:13px;line-height:1.6;padding-top:20px;padding-bottom:32px}.site-footer p{margin:0 0 2px}
@media(max-width:700px){.subject-tabs{display:flex}.subject-tab{flex:1}}
.q-tools{margin:0 0 16px;padding:0}.q-tools-links{margin:6px 0 0}
/* ---------- Profile card (top of Dashboard) ---------- */
.profile-card{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:28px 30px;margin:0 0 34px}
.profile-head{display:flex;align-items:center;gap:20px}
.profile-avatar{flex:none;width:96px;height:96px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-size:56px;line-height:1}
.profile-avatar.empty{background:#e8eeeb;color:var(--muted);font:400 44px Georgia,serif}
.profile-who{flex:1;min-width:0}
.profile-name{font:400 46px/1.05 Georgia,serif;letter-spacing:-.8px;margin:0}
.profile-since{color:var(--muted);font-size:15px;margin:8px 0 0}
.profile-change{align-self:flex-start;color:var(--teal);font-size:14px;padding:6px 0;white-space:nowrap}
.profile-change:disabled{color:var(--muted);text-decoration:none}
.profile-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:26px;border-top:1px solid var(--line)}
.profile-stat{display:flex;flex-direction:column;gap:2px;padding:20px 18px 2px 0}
.profile-stat+.profile-stat{border-left:1px solid var(--line);padding-left:22px}
.profile-icon{font-size:22px;line-height:1}
.profile-stat strong{font:400 44px/1.1 Georgia,serif;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:6px}
.profile-label{font-size:15px;color:var(--ink)}
.profile-note{font-size:13px;color:var(--muted);line-height:1.5;margin-top:2px}
@media(prefers-reduced-motion:no-preference){.profile-avatar.pop{animation:profile-pop .45s cubic-bezier(.2,1.4,.4,1)}}
@keyframes profile-pop{0%{transform:scale(.6) rotate(-12deg);opacity:.2}100%{transform:none;opacity:1}}
@media(max-width:700px){.profile-card{padding:22px 18px;margin-bottom:26px}.profile-head{flex-wrap:wrap;gap:14px}.profile-avatar{width:72px;height:72px;font-size:42px}
.profile-name{font-size:36px}.profile-change{order:3;flex-basis:100%;text-align:left}.profile-stats{grid-template-columns:1fr;margin-top:18px}
.profile-stat{flex-direction:row;flex-wrap:wrap;align-items:baseline;column-gap:10px;padding:14px 0}.profile-stat+.profile-stat{border-left:0;border-top:1px solid var(--line);padding-left:0}
.profile-stat strong{font-size:34px;margin:0}.profile-note{flex-basis:100%;margin:0}}
/* ---------- Dashboard: your lectures ---------- */
.dashboard-page{max-width:820px;margin:30px auto 44px;padding:0 24px}
body[data-view=dashboard] .account-bar{max-width:772px}
.lectures-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 6px}
.lectures-title{font:400 30px/1.2 Georgia,serif;margin:0}
.dash-type{width:150px;margin:0}.dash-type .type-tab{padding:7px 0}
.my-lectures{list-style:none;margin:0;padding:0}
.my-lecture{display:grid;grid-template-columns:minmax(0,1fr) 150px 64px 118px;align-items:center;gap:8px 20px;padding:16px 0;border-bottom:1px solid var(--line)}
.my-name{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--ink);min-width:0}
.my-name:hover .my-title{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.my-title{font-size:16.5px;line-height:1.4}.my-meta{font-size:13px;color:var(--muted)}
.my-progress{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.my-bar{height:6px;background:#e3e9e6;border-radius:3px;overflow:hidden}.my-bar span{display:block;height:100%;background:var(--teal);border-radius:3px}
.my-score{font:400 26px/1 Georgia,serif;text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}.my-score.good{color:var(--good)}
.my-action{display:inline-flex;justify-content:center;align-items:center;text-decoration:none;padding:9px 12px;min-height:40px;font-size:14px}
.my-action.done{color:var(--good);border-color:#bfd5c9}
.my-empty{padding:24px 0}.my-empty p{color:var(--muted);font-size:16px;margin:0 0 14px}.my-empty .primary{display:inline-flex;text-decoration:none}
@media(max-width:700px){.dashboard-page{margin:20px auto 32px;padding:0 16px}.lectures-head{flex-wrap:wrap}.lectures-title{font-size:26px}
.my-lecture{grid-template-columns:minmax(0,1fr) auto;gap:10px 14px}.my-name{grid-column:1/-1}.my-progress{grid-column:1}.my-score{grid-column:2;grid-row:2}.my-action{grid-column:1/-1}}
#dashboard-page{max-width:820px;margin:30px auto 44px;padding:0 24px;width:auto}@media(max-width:700px){#dashboard-page{margin:20px auto 32px;padding:0 16px}}