:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:#1b2934;background:#f5f7f8;font-synthesis:none;--line:#e1e8ea;--text:#172932;--muted:#74838b;--teal:#167a70;--pale:#e9f6f2;--white:#fff}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #7ecfbf;outline-offset:2px}.layout{display:flex;min-height:100vh}.sidebar{background:#152a31;color:#eaf1f1;flex:0 0 254px;padding:23px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.identity{display:flex;align-items:center;gap:11px;padding:0 10px 29px}.symbol{background:#0dba98;color:#0a2730;font-size:28px;font-weight:950;width:43px;height:43px;border-radius:13px;display:grid;place-items:center;letter-spacing:-4px}.symbol span{color:white}.identity strong{font-size:14px;letter-spacing:.8px}.identity small,.sidefoot small{display:block;font-size:9px;color:#9cacb4;letter-spacing:1px;margin-top:3px}.navlabel{font-size:10px;letter-spacing:1.8px;color:#8aa0a8;font-weight:800;margin:7px 11px 13px}.navbtn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;color:#b7c8cc;border:0;border-radius:11px;background:none;padding:11px 13px;margin:2px 0;font-size:13px;font-weight:600}.navbtn .ico{font-size:18px;width:23px}.navbtn:hover{background:#233d44}.navbtn.active{background:#254940;color:white}.sidefoot{display:flex;gap:10px;align-items:center;margin-top:auto;padding:21px 6px 8px;border-top:1px solid #345057}.avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:#286958;font-weight:900}.sidefoot b{font-size:13px}.main{flex:1;min-width:0}.topbar{height:75px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);display:flex;align-items:center;justify-content:space-between;padding:0 37px;color:#87979f;font-size:12px;position:sticky;top:0;z-index:3;backdrop-filter:blur(8px)}.pill{padding:7px 11px;border-radius:99px;background:#eef4f3;color:#44776e;font-weight:750}.content{max-width:1180px;margin:auto;padding:35px 36px 70px;min-height:calc(100vh - 125px)}.footer{padding:15px 36px;text-align:center;font-size:11px;color:#8b9ba1}.eyebrow{font-size:10px;letter-spacing:2px;color:#0e8b72;font-weight:850;text-transform:uppercase}.h1{font-size:33px;line-height:1.15;letter-spacing:-1.1px;margin:9px 0 10px}.lede{font-size:14px;line-height:1.7;color:#6e8088;max-width:790px;margin:0 0 23px}.sectionhead{display:flex;gap:16px;align-items:center;justify-content:space-between;margin:28px 0 12px}.sectionhead h2{font-size:18px;margin:0;letter-spacing:-.3px}.grid2,.grid3,.grid4{display:grid;gap:15px}.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:white;border:1px solid var(--line);border-radius:17px;padding:21px;box-shadow:0 10px 25px #20343805}.card h2,.card h3{margin:0 0 10px}.card h3{font-size:16px}.stat{font-size:32px;font-weight:850;letter-spacing:-1px}.muted{color:#768891}.mini{font-size:12px}.tiny{font-size:11px}.label{font-size:10px;text-transform:uppercase;font-weight:850;letter-spacing:1.2px;color:#84969c}.btn{border:1px solid #cbdad8;border-radius:10px;padding:10px 14px;background:white;color:#25534b;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{background:#eff9f5;text-decoration:none}.btn.primary{background:#197d71;color:white;border-color:#197d71}.btn.primary:hover{background:#106f62}.btn.alt{background:#e9f7f1;border-color:#d6ebe4;color:#096f55}.btn.red{color:#a74340}.btn.small{padding:7px 10px}.controls{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin:14px 0}.input,.textarea,.select{border:1px solid #d5e2e1;border-radius:10px;padding:11px 12px;background:white;color:#1c3236;width:100%;min-width:0}.select{width:auto;max-width:100%}.textarea{min-height:125px;line-height:1.7;resize:vertical}.note{background:#f3f7f8;border:1px solid #e3eced;padding:13px 15px;border-radius:11px;font-size:12px;line-height:1.65;color:#63777d}.warning{background:#fff8e9;border-color:#f0ddad;color:#7e6333}.success{background:#e8f8ee;border-color:#d1eddb;color:#1e745a}.tabs{display:flex;gap:8px;flex-wrap:wrap}.tab{padding:9px 14px;border:1px solid #d6e2de;background:white;border-radius:10px;font-size:12px;font-weight:750;color:#607875}.tab.active{background:#1a7f71;border-color:#1a7f71;color:white}.progress{height:7px;background:#edf2f3;border-radius:12px;overflow:hidden;margin-top:11px}.progress i{display:block;height:100%;background:#20ac8f;border-radius:12px}.task{display:flex;align-items:flex-start;gap:13px;padding:13px 0;border-bottom:1px solid #edf1f2}.task:last-child{border-bottom:0}.task h3{font-size:13px;margin:0 0 5px}.subjectbadge{border-radius:11px;color:white;font-weight:850;min-width:42px;height:42px;display:grid;place-items:center}.tag{border-radius:99px;background:#eef4f4;color:#597b77;padding:5px 9px;font-size:10px;font-weight:800;display:inline-block}.tag.good{background:#e4f6e9;color:#19784b}.tag.bad{background:#fff0ea;color:#a8563d}.tag.warn{background:#fff3db;color:#896421}.list{display:grid;gap:8px}.listitem{width:100%;background:white;border:1px solid var(--line);border-radius:12px;padding:13px 16px;display:flex;gap:12px;align-items:center;text-align:left;color:var(--text)}.listitem:hover{border-color:#8dc7b4}.listitem .title{flex:1;font-weight:700;font-size:13px}.code{background:#eef8f5;border-radius:8px;color:#347568;padding:7px;font-size:11px;font-weight:850}.subhead{font-size:14px;font-weight:850;margin:19px 0 9px}.question{padding:18px 0;border-bottom:1px solid #e8eff0}.question:last-child{border-bottom:0}.question strong{display:block;margin-bottom:11px;line-height:1.5}.choice{display:flex;align-items:flex-start;gap:10px;padding:11px;border:1px solid #e2eaea;border-radius:10px;margin:7px 0;cursor:pointer;font-size:13px}.choice:has(input:checked){background:#edf8f4;border-color:#84c7b4}.choice input{margin-top:2px;accent-color:#197c6e}.answer{border-radius:10px;background:#e7f7ec;border:1px solid #cbecda;padding:11px 13px;color:#236d50;font-size:12px;margin:10px 0}.answer.bad{background:#fff3ed;border-color:#f2d8cc;color:#8d4e3d}.scoreline{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.skill{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.baritem{display:grid;grid-template-columns:120px 1fr 60px;gap:10px;align-items:center;padding:8px 0;font-size:12px}.memo-paper{background:#fffef7;padding:26px 28px;border:1px solid #e7e2d2;border-radius:14px;line-height:1.7;max-width:690px}.memo-paper h2{color:#176856;margin:0 0 13px}.memo-paper .memo-body{white-space:pre-wrap;font-size:13px}.stage{display:flex;align-items:flex-start;gap:15px;padding:12px 0;border-bottom:1px solid #eaf0f0}.stage:last-child{border:0}.stage .stepnum{min-width:38px;height:38px;border-radius:10px;background:#e6f6f0;color:#14725e;display:grid;place-items:center;font-weight:900}.stage h3{margin:0 0 4px;font-size:13px}.daysgrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.daycell{background:white;border:1px solid #e0e8e8;border-radius:11px;padding:10px 6px;text-align:center;cursor:pointer;color:#64767e}.daycell b{display:block;font-size:17px;color:#253c43}.daycell.on{background:#e8f6f1;border-color:#7dbbaa}.daycell.selected{border:2px solid #177c6c}.toolbox{display:flex;flex-wrap:wrap;gap:9px}.kicker{font-weight:850;font-size:10px;letter-spacing:1px;color:#83999c}.print-only{display:none}.spinner{display:inline-block;width:14px;height:14px;border:2px solid #c0e9df;border-top-color:#1e8f78;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;right:20px;bottom:20px;max-width:320px;background:#1a4040;color:white;padding:13px 17px;border-radius:11px;box-shadow:0 10px 26px #0003;display:none;z-index:100;font-size:12px}.mobiletoggle{display:none}.mono{font-family:ui-monospace,monospace}.pre{white-space:pre-wrap;word-break:break-word;line-height:1.65;font-size:13px}.itemlink{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eff2f2;font-size:13px}.itemlink:last-child{border:0}.flex{display:flex;gap:10px;align-items:center}.right{margin-left:auto}.content :where(p,li){line-height:1.65}.unready{color:#ae762f}.smallprint{color:#83939a;font-size:11px}.navbtn:focus{outline-color:#5cbbab}@media(max-width:1000px){.sidebar{flex-basis:215px}.content{padding:24px}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.daysgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:740px){.sidebar{position:fixed;left:-260px;top:0;z-index:20;width:250px;transition:left .2s}.sidebar.open{left:0}.main{width:100%}.content{padding:23px 15px 45px}.topbar{height:60px;padding:0 16px}.mobiletoggle{display:inline-block;border:0;background:none;font-size:23px}.grid3,.grid2,.grid4{grid-template-columns:1fr}.h1{font-size:27px}.daysgrid{grid-template-columns:repeat(3,minmax(0,1fr))}.pill{font-size:10px}.baritem{grid-template-columns:90px 1fr 45px}.footer{padding:12px}}@media print{body{background:white}.sidebar,.topbar,.footer,.controls,.btn,.tabs,.note.noprint{display:none!important}.main,.content{width:100%;padding:0}.card{box-shadow:none}.memo-paper{border:0;max-width:100%;padding:10px}.print-only{display:block}#app>*:not(.print-target){display:none!important}.print-target{display:block!important}}
/* v3: readable study workspace and keyboard accessibility */
:root{color-scheme:light}.content{max-width:1280px}.h1{font-size:clamp(27px,3.2vw,40px);letter-spacing:-1.4px}.eyebrow{letter-spacing:1.8px}.card{box-shadow:0 5px 20px #143e2f04}.sidebar{overflow-y:auto}.sidebar .navbtn{padding:9px 12px}.sidefoot{margin-top:24px}.question label strong{margin-top:8px}.timer{font:700 30px ui-monospace,monospace;font-variant-numeric:tabular-nums;color:#14725f;padding:14px 0}.wrap{overflow-wrap:anywhere}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:12px;text-align:left;border-bottom:1px solid #e1ebe6}th{color:#617c73;font-size:11px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #e5a84c;outline-offset:3px}button:disabled,input:disabled,textarea:disabled{opacity:.7}details{margin:24px 0}summary{cursor:pointer;font-weight:700;padding:16px 0}.question .tag{margin-bottom:10px}@media(max-width:740px){.h1{letter-spacing:-.8px}.topbar #crumb{max-width:45%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card{padding:17px}.controls .btn{min-height:42px}.sidebar{height:100dvh}.task{flex-wrap:wrap}.table-scroll{max-width:calc(100vw - 64px)}}@media print{@page{size:A4;margin:12mm}.memo-paper{max-width:148mm!important;font-size:11pt;break-inside:avoid}#toast{display:none!important}}

.school-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;align-items:end;margin:12px 0}
.school-field{display:grid;gap:6px;min-width:0;font-size:14px;font-weight:600}
.school-field input,.school-field select,.school-field textarea{width:100%;min-width:0;min-height:44px;font-size:16px}
.school-row{display:flex;flex-wrap:wrap;align-items:start;justify-content:space-between;gap:8px}
.school-row h3{margin:5px 0;overflow-wrap:anywhere}
.school-row p,.school-overview p,.school-text{white-space:pre-wrap;overflow-wrap:anywhere}
.school-overview{margin-bottom:24px}
#mobileNav{display:none}
@media(max-width:740px){
 body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
 .topbar{padding-top:env(safe-area-inset-top)}
 body:has(#mobileNav:not([hidden])) .main{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
 #mobileNav:not([hidden]){position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:6px max(8px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));z-index:10;background:Canvas;color:CanvasText;border-top:1px solid var(--line)}
 #mobileNav button{min-height:46px;border:0;border-radius:8px;background:transparent;color:inherit;font:inherit;font-size:13px;font-weight:650;cursor:pointer}
 #mobileNav button[aria-current]{background:#e8edff;color:#24366c}
}

/* Shared surfaces for the school diary and study workspace. */
:root{
 --canvas:#f5f4ef;--surface:#fffefa;--soft:#eef1e9;--line:#dbe2d9;
 --text:#202b26;--muted:#53645a;--teal:#136443;--accent:#176647;--on-accent:#fff;
 --hero:#173b2e;--on-hero:#f4fff0;--hero-muted:#b9d4c3;
 --good-bg:#e5f3e9;--good-text:#205d3c;--warn-bg:#faf0db;--warn-text:#6d4a14;
 --bad-bg:#fcece7;--bad-text:#813b2c;
 color:var(--text);background:var(--canvas);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
@media(prefers-color-scheme:dark){
 :root{
  color-scheme:dark;
  --canvas:#151e19;--surface:#202c24;--soft:#29392f;--line:#3a5142;
  --text:#eef6ee;--muted:#b1c4b6;--teal:#9fdbb5;--accent:#a7dfb8;--on-accent:#173526;
  --hero:#254b37;--on-hero:#f4fff0;--hero-muted:#d0e6d6;
  --good-bg:#203d2b;--good-text:#b1e5c1;--warn-bg:#493b22;--warn-text:#f5d38b;
  --bad-bg:#4a3029;--bad-text:#f8baab;
 }
}
.sidebar{background:#173429}.symbol{background:#a7dfb8;color:#173526}.symbol span{color:#173526}
.topbar,.card,.input,.textarea,.select,.btn,.tab,.listitem,.daycell,.memo-paper{background:var(--surface);color:var(--text);border-color:var(--line)}
.topbar{color:var(--muted);backdrop-filter:none}
.content{max-width:1120px}
.card{border-radius:20px;box-shadow:none;min-width:0}
#app>.card+.card{margin-top:12px}
.card h2{font-size:20px;letter-spacing:-.025em}
.h1{letter-spacing:-.045em}
.lede,.muted,.label,.footer,.kicker,.smallprint,th{color:var(--muted)}
.eyebrow,.timer,.memo-paper h2{color:var(--teal)}
.btn,.tab{min-height:44px;border-radius:12px;font-size:13px;transition:background-color .16s,border-color .16s}
.btn:hover,.tab:hover,.daycell.on,.choice:has(input:checked){background:var(--soft);border-color:var(--teal)}
.btn.primary,.btn.primary:hover,.tab.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn.alt,.tag,.pill,.code,.stage .stepnum{background:var(--soft);color:var(--teal);border-color:var(--line)}
.note,.progress{background:var(--soft);color:var(--muted);border-color:var(--line)}
.progress i{background:var(--accent)}
.success,.answer,.tag.good{background:var(--good-bg);color:var(--good-text);border-color:var(--line)}
.warning,.tag.warn{background:var(--warn-bg);color:var(--warn-text);border-color:var(--line)}
.answer.bad,.tag.bad,.btn.red{background:var(--bad-bg);color:var(--bad-text);border-color:var(--line)}
.choice,.task,.stage,.question,.itemlink,th,td{border-color:var(--line)}
.choice{min-height:44px}
fieldset{min-width:0;border:1px solid var(--line);border-radius:12px}
.mobiletoggle,.daycell b{color:var(--text)}
progress{display:block;width:100%;height:8px;accent-color:var(--accent);margin:8px 0 14px}
.day-hero{padding:clamp(22px,4vw,42px);border-radius:24px;background:var(--hero);color:var(--on-hero);margin-bottom:14px}
.day-hero .eyebrow{color:var(--hero-muted);margin:0}
.day-hero h1{font-size:clamp(32px,5vw,54px);margin:8px 0 16px}
.day-hero p{margin:4px 0}
.day-hero .controls{margin-bottom:0}
.day-hero .btn.primary{background:#b6ebbc;border-color:#b6ebbc;color:#183b28}
.day-hero .btn:not(.primary){background:transparent;color:var(--on-hero);border-color:#85ac96}
.today-grid,.subject-overview{display:grid;gap:12px;margin-bottom:12px}
.today-grid{grid-template-columns:1.1fr 1fr}
.subject-overview{grid-template-columns:repeat(3,minmax(0,1fr))}
.subject-overview .stat{display:block;font-variant-numeric:tabular-nums}
.day-list{list-style:none;padding:0;margin:10px 0}
.day-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:8px 0;border-top:1px solid var(--line)}
.day-list time{color:var(--teal);font-size:13px;font-variant-numeric:tabular-nums}
@media(max-width:740px){
 .topbar{height:auto;min-height:calc(54px + env(safe-area-inset-top))}
 .mobiletoggle{min-width:44px;min-height:44px}
 .content{padding:16px 14px 32px}
 .today-grid,.subject-overview{grid-template-columns:minmax(0,1fr)}
 .input,.textarea,.select{font-size:16px}
 #mobileNav:not([hidden]){background:var(--surface);color:var(--text)}
 #mobileNav button[aria-current]{background:var(--soft);color:var(--teal)}
 #toast{bottom:calc(64px + env(safe-area-inset-bottom))}
}
@media(prefers-reduced-motion:reduce){
 .btn,.tab,.sidebar{transition:none}
}
@media print{
 .memo-paper{background:#fff;color:#111}
 #mobileNav{display:none!important}
}