:root{--bg:#f7f1fc;--card:#fffdfd;--text:#36203f;--accent:#87399b;--soft:#f0e2f8;--pink:#f8edf7;--line:#e6d7ed}
body{font-family:'Segoe UI',system-ui,sans-serif;background:radial-gradient(ellipse at 75% 25%,#efd9fa88,transparent 60%),linear-gradient(145deg,#fbf5ff,#f3e9fa);min-height:100vh;isolation:isolate}
body:before{content:'';position:fixed;inset:0;background:url('scene.svg') center bottom/cover no-repeat;pointer-events:none;z-index:-1}
header{max-width:1160px;padding:18px 28px;gap:16px;flex-wrap:wrap;border-bottom:1px solid #e1cceb77;background:#fff8ffb3;border-radius:0 0 22px 22px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;font-size:21px!important;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:linear-gradient(135deg,#a854b0,#793286);border-radius:12px;color:white;font-style:normal;font-size:25px;box-shadow:0 4px 10px #72357822}
.top-nav{display:flex;gap:6px}.top-nav button{border:0;background:transparent;color:#572465;padding:10px 16px;font-size:16px}.top-nav button:hover{background:#eed5f7}
.utility-menu{position:relative;font-size:14px}.utility-menu>summary{cursor:pointer;padding:10px;list-style:none}.utility-content{position:absolute;right:0;top:42px;z-index:20;width:230px;display:grid;gap:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px #54236322}.build-version{font-size:12px;color:#75627d}
#saveStatus{flex-basis:auto;font-size:11px;padding:5px 9px;max-width:200px}
main{max-width:1100px;padding:36px 24px 80px}footer{max-width:1100px;font-size:12px;color:#796981;padding:14px 24px}
#screen{border-radius:24px;border:1px solid #e7d9ee;box-shadow:0 10px 35px #6a37820c;background:#fffcffed;padding:32px 38px}
h1{font-size:32px;letter-spacing:-.03em;color:#3e164d}h2{color:#482052;font-size:23px}p{line-height:1.6}.small,.muted{color:#796780;font-size:13px}
button{border-radius:12px;transition:background .15s,box-shadow .15s,transform .15s}button:not(:disabled):hover{box-shadow:0 4px 14px #5a236711}.primary{background:linear-gradient(135deg,#963ea7,#7f3292);border-color:#843596;box-shadow:0 4px 12px #83349022}.primary:hover{background:linear-gradient(135deg,#883696,#6f2b82)}
.quiet-button,.profile-link{border-color:#e3cbed;background:#fff8ff;color:#652875}.quiet-button{font-size:15px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.18em;color:#a073b1;margin:0 0 10px}
#screen.screen-home{background:transparent;border:0;box-shadow:none;padding-top:22px}.home-heading{text-align:center;margin:8px 0 34px}.home-heading h1{font-size:38px;margin:0 0 10px}.home-heading>p:last-child{color:#8a7192;font-size:16px}
.section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.section-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:232px;padding:24px 16px;border:1px solid #e6d4ee;border-radius:24px;background:linear-gradient(145deg,#fffbff,#fcf6ff);text-decoration:none;color:var(--text);box-shadow:0 8px 22px #7b429217;cursor:pointer;font:inherit}
.section-tile:not(:disabled):hover{transform:translateY(-3px);background:#fffaff;box-shadow:0 12px 28px #7b429225}.section-symbol{display:grid;place-items:center;width:82px;height:82px;border-radius:20px;background:linear-gradient(145deg,#f0daf8,#f6e7fa);font:52px/1.3 'Yu Gothic','Meiryo',sans-serif;font-style:normal;color:#5d1e67}.section-tile strong{font-size:21px;white-space:nowrap}.section-tile b{font-size:25px;margin-left:7px}.section-tile small{font-size:12px;color:#9a7ca3}.home-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:30px 0}.profile-link{min-width:240px;padding:15px 24px;font-weight:650}.profile-link b{margin-left:20px}.route-settings{max-width:620px;margin:32px auto 0;font-size:14px;color:#8b7494}.route-settings>summary{cursor:pointer;text-align:center;margin-bottom:14px}
.card{background:#f8effbcc;border-radius:20px;border:1px solid #efdfF5;padding:24px}.kanji{color:#492151}.kanji-hero{background:#fff;border-radius:18px;overflow:hidden}.choices{gap:14px}.choice{border-color:#dec7e9;background:#fffaff;border-radius:15px;box-shadow:0 3px 10px #71378b08}.choice:hover{background:#f1e2f9}.question-word{margin:22px 0}
.answer-feedback{border-radius:16px}.answer-next-row .primary{min-width:170px}.writing-target{background:#f0e1f7;border-left-color:#9345a6}.board{border-radius:18px;border-color:#ddc6e9}.reading-explanation,.kanji-example{background:#fffaff;border-color:#e4d1ee;border-radius:14px}
.profile-heading{margin-bottom:16px}.profile-heading h1{margin:0}.stat-chips{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 14px}.stat-chips>div{padding:12px 18px;background:#f5eafb;border:1px solid #ead7f2;border-radius:14px;min-width:160px}.stat-chips strong{font-size:28px;color:#773889}.stat-chips small{display:block;font-size:12px;color:#907299}
.profile-overview{display:grid;grid-template-columns:1.05fr 1fr;gap:22px;margin:26px 0}.profile-panel{padding:24px;background:#fffaff;border:1px solid #e7d4ee;border-radius:20px}.profile-panel>h2{margin:0 0 20px}.skill-detail{border:1px solid #eadbf1;border-radius:12px;margin:10px 0;background:white}.skill-detail>summary{display:flex;align-items:center;gap:12px;padding:13px;cursor:pointer;list-style:none;font-size:15px;font-weight:650}.skill-detail>summary>i{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:#f1e2f9;color:#8a459c;font-style:normal;font-size:21px}.skill-detail summary span{flex:1}.skill-detail summary small{display:block;font-size:11px;color:#a085a8;font-weight:400}.skill-detail summary b{font-size:22px;color:#9769a5}.skill-numbers{padding:0 16px 12px}.skill-numbers p{display:flex;justify-content:space-between;font-size:13px;margin:8px 0}.skill-numbers strong{color:#6f367f}
.switch-row{display:flex;justify-content:space-between;gap:20px;padding:14px;margin:12px 0;border:1px solid #eadbf1;border-radius:12px;background:white;font-size:16px}.switch-row small{display:block;color:#a085a8;font-size:11px}.switch-row input{appearance:none;width:46px;height:26px;min-width:46px;border-radius:20px;background:#d8c7df;position:relative;cursor:pointer;transition:background .2s}.switch-row input:before{content:'';position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:white;box-shadow:0 1px 3px #0002;transition:transform .2s}.switch-row input:checked{background:#963ca9}.switch-row input:checked:before{transform:translateX(20px)}.switch-row input:focus-visible{outline:3px solid #b47cc8;outline-offset:3px}
.profile-panel .quiet-button{display:block;width:100%;margin-top:10px}.history-panel{margin:18px 0}.history-panel>summary{font-size:19px;font-weight:650;cursor:pointer}.profile-table{margin-top:20px;font-size:13px}.profile-table th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#9a7aa4}.profile-table td:first-child{font-size:22px;color:#572260}.profile-table td{padding:12px 8px}.profile-table tbody tr:hover{background:#f7effb}
@media(max-width:800px){header{padding:14px 18px}.brand{font-size:17px!important}.profile-overview{grid-template-columns:1fr}.section-tile strong{font-size:17px}.section-tile small{font-size:11px}.section-grid{gap:12px}#screen{padding:24px}}
@media(max-width:560px){main{padding:20px 12px 50px}.home-heading h1{font-size:30px}.section-grid{grid-template-columns:1fr}.section-tile{min-height:120px;display:grid;grid-template-columns:68px 1fr;gap:6px 18px;text-align:left;padding:18px}.section-symbol{grid-row:span 2;width:68px;height:68px;font-size:43px}.section-tile strong{align-self:end;font-size:20px}.section-tile small{align-self:start}.top-nav button{padding:8px 12px}.brand{width:100%}.home-heading{text-align:left}.profile-panel{padding:18px}.stat-chips>div{min-width:110px;flex:1}.stat-chips small{font-size:10px}.profile-table{min-width:480px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.section-tile:hover{transform:none!important}}
.community-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin:0 0 18px}.community-links button{padding:6px 10px;background:transparent;border:0;font-size:13px;color:#80518f}.community-links button:hover{text-decoration:underline}
.report-card{display:block;margin:24px auto 0;border:0;background:transparent;font-size:12px;color:#9572a0;padding:6px 10px}
.feedback-dialog{width:min(620px,94vw);max-height:90vh;overflow:auto;background:#fffaff;box-shadow:0 18px 70px #4b225733}.feedback-dialog h2{margin:0}.feedback-dialog label{display:block;margin:16px 0 6px;font-size:15px}.feedback-dialog textarea,.feedback-dialog input{width:100%;padding:12px;font:inherit;border:1px solid #d9bce5;background:white;border-radius:10px;color:var(--text)}.feedback-link{display:inline-block;padding:10px 16px;border:1px solid #d6b8e2;border-radius:10px;text-decoration:none;font-size:15px;color:#713180}.feedback-link.primary{color:white}
.library-controls{display:flex;align-items:end;gap:16px;flex-wrap:wrap;margin:24px 0 10px}.library-controls label{display:flex;flex-direction:column;align-items:stretch;gap:7px;margin:0}.library-controls label:first-child{flex:1;min-width:180px}.library-controls input{font:inherit;width:100%;padding:12px 14px;border:1px solid #d9c1e5;border-radius:12px;color:var(--text);background:white}.library-controls select{min-height:54px;background:white}.library-controls input:focus-visible,.library-controls select:focus-visible{outline:3px solid #b47cc8;outline-offset:2px}
.library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:20px 0 28px}.library-tile{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 12px;min-height:218px;text-align:center;border:1px solid #e6d4ee;background:#fffaff;color:var(--text);overflow-wrap:anywhere}.library-tile:hover{background:#f4e8fa}.library-symbol{font:62px/1.25 'Yu Gothic','Meiryo',sans-serif;color:#632574}.library-tile strong{font-size:16px;line-height:1.4}.library-tile small{font-size:12px;color:#89728f}.material-status{display:inline-block;font-size:11px;line-height:1.4;padding:5px 9px;border-radius:20px;background:#f1e7f7;color:#795687;font-weight:500}.material-status.is-introduced{background:#eaf3ec;color:#3b6a47}.library-empty{grid-column:1/-1;text-align:center;padding:32px 16px;border:1px dashed var(--line);border-radius:18px}
.library-card-heading h1{margin:20px 0 30px;font-size:30px;overflow-wrap:anywhere}.library-card-heading h1>span{font-family:'Yu Gothic','Meiryo',sans-serif}.library-card-layout{display:grid;grid-template-columns:minmax(210px,290px) minmax(0,1fr);gap:28px;align-items:start}.library-stroke-panel{position:sticky;top:20px;background:#f5eafa;border:1px solid var(--line);border-radius:18px;padding:18px;text-align:center}.library-stroke-panel .kanji-hero{margin:0 auto 16px;aspect-ratio:1;max-width:280px}.library-stroke-panel .kanji-hero svg{height:auto}.library-stroke-panel button{width:100%;font-size:15px}.library-stroke-panel p{margin:12px 0}.library-card-layout .kanji-examples{margin-top:0}.example-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.example-heading .example-word{font-size:28px}.reading-variant+.reading-variant{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.library-pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px}.library-pager button{font-size:14px}
@media(max-width:850px){.library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.library-card-layout{grid-template-columns:minmax(190px,240px) minmax(0,1fr);gap:18px}.top-nav{flex-wrap:wrap}}
@media(max-width:600px){.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.library-tile{min-height:190px;padding:16px 9px}.library-card-layout{grid-template-columns:1fr}.library-stroke-panel{position:static}.library-card-heading h1{font-size:26px}.library-controls label{width:100%}.library-controls select{width:100%}.library-pager{flex-wrap:wrap}.library-pager button{flex:1}.library-pager span{order:3;text-align:center;width:100%}}
.practice-dialog{width:min(760px,94vw);max-width:760px;max-height:92vh;overflow:auto;background:#fffaff}.practice-dialog .board{margin:16px auto}.practice-dialog select{max-width:100%}.practice-label{padding:10px 14px;border-radius:12px;background:#ede4f5;font-size:14px}.practice-prompt{text-align:center;font-size:clamp(28px,6vw,52px);overflow-wrap:anywhere}.practice-dialog .word{font-size:30px;overflow-wrap:anywhere}.practice-dialog>button{margin:10px 8px 10px 0}
/* Library v2: compact rows, one verified stroke area, mobile-friendly navigation. */
.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.library-tile{display:grid;grid-template-columns:68px minmax(0,1fr) auto;grid-template-rows:auto auto;gap:6px 14px;text-align:left;min-height:116px;padding:16px;align-items:center;border-radius:18px}.library-symbol{grid-column:1;grid-row:1/3;display:grid;place-items:center;background:#f5e3f5;border-radius:14px;width:68px;height:74px;font-size:45px}.library-tile strong{grid-column:2;grid-row:1}.library-tile .material-status{grid-column:3;grid-row:1;justify-self:end}.library-tile small{grid-column:3;grid-row:2;justify-self:end}.library-reading{grid-column:2;grid-row:2;font-size:18px;color:#7a4c85}.library-card-heading{max-width:850px;margin:auto}.library-card-layout{max-width:850px;margin:auto}.library-card-layout .kanji-hero{background:#fffaff}.practice-dialog .actions{display:grid;grid-template-columns:1fr 1fr}.practice-dialog .practice-label{width:fit-content;margin:18px auto;background:#f8dcef;color:#722351;font-weight:650}.practice-dialog #practiceReveal{width:100%;background:#b83e83;border-color:#b83e83;color:white}.practice-dialog .practice-prompt{padding:22px 10px;border-radius:20px;background:#faeff9}
@media(max-width:750px){.library-grid{grid-template-columns:1fr}.library-tile{grid-template-columns:62px minmax(0,1fr) auto}.library-symbol{width:62px;height:68px;font-size:42px}}
@media(max-width:560px){header .top-nav{position:fixed;bottom:0;left:0;right:0;z-index:30;justify-content:space-around;background:#fff5ffed;border-top:1px solid #e4c8e6;padding:8px 6px max(8px,env(safe-area-inset-bottom));backdrop-filter:blur(12px)}header .top-nav button{font-size:13px;padding:10px 8px;border-radius:12px}body{padding-bottom:78px}.library-tile{padding:12px;gap:6px 10px}.library-tile .material-status{font-size:10px}.practice-dialog .actions{grid-template-columns:1fr}.practice-dialog{padding:20px}}