:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#242522;background:#fafaf8;font-synthesis:none;font-size:15px;line-height:1.55;--ink:#242522;--muted:#6a6c65;--line:#dedfd8;--accent:#365b49}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}
.site-header,.site-footer,main{width:min(100% - 64px,980px);margin-inline:auto}.site-header{display:flex;align-items:center;gap:42px;min-height:90px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:650;text-decoration:none;letter-spacing:-.5px}.brand span{font-family:Georgia,serif;font-size:30px;font-weight:400}.site-header nav{display:flex;gap:25px;align-items:center}.site-header nav a{text-decoration:none;color:var(--muted);padding:5px 0}.site-header nav a[aria-current="page"]{color:var(--ink);box-shadow:0 1px 0 var(--ink)}#authButton{margin-left:auto;max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-button{border:0;background:transparent;padding:5px 0;color:var(--muted)}.text-button:hover,a:hover{color:var(--accent)}main{min-height:calc(100vh - 180px);padding-block:52px 80px}.site-footer{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding-block:22px 30px;font-size:12px;color:var(--muted)}.site-footer nav{display:flex;gap:22px}.site-footer a{text-decoration:none}.skip-link{position:absolute;left:10px;top:-60px;background:#fff;padding:10px;z-index:10}.skip-link:focus{top:10px}
h1,h2,h3{line-height:1.25;font-weight:600;margin:0;letter-spacing:-.035em}h1{font-size:30px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 16px}.muted,.subtitle{color:var(--muted)}.subtitle{margin:12px 0 0;max-width:640px}.page-heading{margin-bottom:36px}.heading-row,.section-head{display:flex;justify-content:space-between;align-items:center;gap:24px}.section-head{margin-bottom:16px}.section-head a,.section-head button{font-size:13px}.primary,.outline,.quiet-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:9px 16px;border-radius:4px;font-size:14px;font-weight:500;text-decoration:none}.primary{background:var(--ink);color:#fff;border:1px solid var(--ink)}.primary:hover{background:#41433d;color:#fff}.outline{background:transparent;border:1px solid #c4c7bd;color:var(--ink)}.outline:hover{border-color:var(--ink);background:#f0f1ec}.quiet-button{background:transparent;border:0;color:var(--muted);padding-inline:5px}.danger{color:#9b3737}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.small{font-size:12px;min-height:32px;padding:5px 10px}.study-summary{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:0 0 32px;margin:0 0 34px;border-bottom:1px solid var(--line)}.study-summary h1{margin-bottom:9px}.study-summary p{color:var(--muted);margin:0}.counts{display:flex;gap:26px;font-size:13px;color:var(--muted);margin-bottom:40px}.counts strong{font-weight:600;color:var(--ink);margin-right:4px;font-variant-numeric:tabular-nums}
.deck-list{border-top:1px solid var(--line)}.deck{display:grid;grid-template-columns:90px 1fr 90px 90px;gap:16px;width:100%;align-items:center;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;padding:23px 3px;color:inherit}.deck:hover{background:#f0f1ec}.deck-subject{font-size:12px;color:var(--muted)}.deck-title{font-size:15px;font-weight:500;display:block}.deck-description{display:block;font-size:12px;color:var(--muted);margin-top:4px;line-height:1.6}.deck-count,.deck-due{font-size:12px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}.deck-due.is-due{color:var(--accent);font-weight:600}.toolbar{display:flex;gap:14px;margin-bottom:28px}.search,.select,.field input,.field textarea{border:1px solid #cdd0c5;border-radius:3px;background:#fff;padding:10px 12px;color:var(--ink);min-height:42px}.search{flex:1;min-width:0}.select{max-width:100%}.empty{padding:42px 0}.empty h2{margin-bottom:12px}.empty p{color:var(--muted);max-width:570px}.empty .actions{margin-top:22px}.study-wrap{max-width:720px;margin:auto}.study-meta{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin-bottom:14px}.bar{height:2px;background:var(--line);margin-bottom:30px}.bar div{height:100%;background:var(--ink)}.study-card{min-height:350px;padding:45px 25px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#fff;border:1px solid var(--line);border-radius:4px}.card-label{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.question{font-size:clamp(21px,3vw,28px);line-height:1.5;margin:20px 0 30px;max-width:640px;letter-spacing:-.025em}.answer{font-size:18px;line-height:1.75;max-width:650px;margin:16px 0 12px;text-align:left;white-space:pre-wrap}.confidence{margin:0 0 24px}.confidence summary{font-size:12px;color:var(--muted);cursor:pointer}.confidence-buttons{display:flex;gap:8px;margin-top:12px}.confidence-buttons button{padding:6px 12px;background:transparent;border:1px solid var(--line);border-radius:3px;font-size:12px}.confidence-buttons button[aria-pressed="true"]{border-color:var(--ink);background:#f0f1ec}.review-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:25px}.review-buttons button{border:1px solid #cdd0c5;border-radius:3px;background:transparent;min-height:48px;font-size:13px;padding:10px 4px;color:var(--ink)}.review-buttons button:hover{background:#eaece5;border-color:var(--ink)}.review-buttons small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.study-hint{font-size:12px;color:var(--muted);text-align:center;margin-top:22px}.study-wrap .page-heading{margin-bottom:28px}.list{border-top:1px solid var(--line)}.list-item{display:grid;grid-template-columns:95px 1fr;gap:20px;border-bottom:1px solid var(--line);padding:18px 0}.date{font-variant-numeric:tabular-nums;font-weight:500;color:var(--accent)}.list-item strong{display:block;font-weight:500;margin-bottom:4px}.list-item p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px 50px}.panel{padding-top:20px;border-top:1px solid var(--line)}.panel h2{font-size:17px;margin-bottom:16px}.panel p{font-size:13px;color:var(--muted);line-height:1.7}.field{display:grid;gap:8px;font-size:13px;margin:18px 0}.field input,.field textarea{width:100%}.field textarea{resize:vertical;min-height:110px}.field input[type="range"]{padding:0}.toggle-list{display:grid;gap:12px;font-size:13px}.toggle-list label{display:flex;align-items:center;gap:10px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:0 0 45px}.metric .label{font-size:12px;color:var(--muted)}.metric strong{display:block;font-size:28px;font-weight:500;margin:8px 0}.metric small{font-size:12px;color:var(--muted)}.activity-bars{display:flex;align-items:flex-end;height:150px;gap:14px;margin-top:30px}.activity-col{flex:1;text-align:center;color:var(--muted);font-size:11px}.activity-col i{display:block;max-width:32px;background:#6f8576;margin:0 auto 8px}.notice{font-size:13px;color:var(--muted);border-left:2px solid #a9b2a4;padding:2px 0 2px 14px;margin:22px 0;line-height:1.7}
 dialog{width:min(440px,calc(100% - 32px));padding:30px;border:1px solid var(--line);border-radius:5px;color:var(--ink);background:#fafaf8;max-height:calc(100dvh - 40px);overflow:auto}dialog::backdrop{background:rgba(24,25,22,.35)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.dialog-heading h2{font-size:22px}.dialog-close{background:transparent;border:0;font-size:23px;line-height:1;padding:4px 7px;color:var(--muted)}.account-email{font-size:13px;overflow-wrap:anywhere;color:var(--muted)}.auth-separator{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:22px 0}.auth-separator:before,.auth-separator:after{content:"";height:1px;background:var(--line);flex:1}.full-width{width:100%}.form-message{font-size:13px;line-height:1.65;color:#9b3737;margin:16px 0 0}.form-message:empty{display:none}.auth-switch{font-size:13px;margin:20px 0 0;color:var(--muted)}.auth-switch button{text-decoration:underline;text-underline-offset:3px}.resource{border-bottom:1px solid var(--line);padding:22px 0}.resource h2{font-size:17px;margin-bottom:8px}.resource-note{white-space:pre-wrap;font-size:14px;line-height:1.8;margin-top:14px;overflow-wrap:anywhere}.resource-link{font-size:13px;overflow-wrap:anywhere}.resource .actions{margin-top:15px}.resource-form{max-width:640px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 18px;background:var(--ink);color:#fff;border-radius:4px;font-size:13px;max-width:min(540px,calc(100% - 32px));opacity:0;pointer-events:none;z-index:20}#toast.show{opacity:1}
@media(max-width:700px){.site-header,.site-footer,main{width:calc(100% - 36px)}.site-header{min-height:76px;gap:22px;flex-wrap:wrap;padding:14px 0}.site-header nav{gap:18px;font-size:13px;order:3;width:100%;overflow-x:auto;padding-bottom:4px}.brand{font-size:17px}.brand span{font-size:27px}#authButton{font-size:13px;max-width:180px}main{padding-block:32px 55px}.study-summary{gap:24px;align-items:flex-start;flex-direction:column;padding-bottom:28px;margin-bottom:24px}.study-summary .primary{width:100%}h1{font-size:27px}.counts{gap:12px 22px;flex-wrap:wrap;font-size:12px;margin-bottom:32px}.deck{grid-template-columns:1fr 65px;gap:5px 12px;padding:19px 0}.deck-subject{grid-column:1;grid-row:1;font-size:11px}.deck-name{grid-column:1;grid-row:2}.deck-description{display:none}.deck-count{grid-column:2;grid-row:1}.deck-due{grid-column:2;grid-row:2;font-size:11px}.deck-title{font-size:14px}.settings-grid{grid-template-columns:1fr;gap:32px}.study-card{min-height:320px;padding:30px 18px}.review-buttons{gap:5px}.review-buttons button{font-size:11px;padding:10px 2px}.review-buttons small{font-size:9px}.study-meta{gap:15px;font-size:11px}.study-meta span:first-child{max-width:70%}.list-item{grid-template-columns:70px 1fr;gap:14px}.date{font-size:13px}.list-item strong{font-size:14px}.site-footer{font-size:11px;flex-wrap:wrap}.site-footer nav{gap:18px}.heading-row{align-items:flex-start}.heading-row .outline{flex-shrink:0}.metrics{gap:12px}.metric strong{font-size:24px}.metric small{font-size:11px}.toolbar{flex-wrap:wrap}.toolbar .select{flex:1}.answer{font-size:16px}.page-heading{margin-bottom:28px}dialog{padding:24px}.resource-form .primary{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}