@import"https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Newsreader:opsz,wght@6..72,400;6..72,500&family=JetBrains+Mono:wght@400;500;700&display=swap";:root{--bg: #15120d;--bg2: #1c1812;--paper: #221d15;--ink: #f1e9d8;--ink-dim: #a89d86;--line: #332c20;--amber: #e0a23c;--amber-dim: #8a6c2e;--teal: #5fb39a;--teal-dim: #2f5a4f;--red: #d4604f;--primary: var(--amber);--primary-dark: var(--amber-dim);--primary-light: rgba(224,162,60,.12);--bg-card: var(--bg2);--bg-white: var(--bg2);--text: var(--ink);--text-muted: var(--ink-dim);--border: var(--line);--pass: var(--teal);--partial: var(--amber);--fail: var(--red);--radius: 13px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Newsreader,Georgia,serif;background:radial-gradient(120% 90% at 50% -10%,#221b11 0%,var(--bg) 55%),var(--bg);color:var(--ink);min-height:100dvh;max-width:560px;margin:0 auto;-webkit-font-smoothing:antialiased}#root{min-height:100dvh;display:flex;flex-direction:column}.od-shell{padding:calc(26px + env(safe-area-inset-top)) 20px calc(40px + env(safe-area-inset-bottom));padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}.od-mono{font-family:JetBrains Mono,monospace}.od-fade{animation:odfade .4s cubic-bezier(.2,.7,.3,1)}@keyframes odfade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.view{display:flex;flex-direction:column;min-height:100dvh}.view-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.progress-text{font-family:JetBrains Mono,monospace;font-size:13px;color:var(--ink-dim)}.nav-controls{display:flex;align-items:center;gap:8px}.btn-nav{background:none;border:1px solid var(--line);color:var(--ink-dim);border-radius:6px;width:32px;height:32px;font-size:20px;cursor:pointer;transition:.15s;display:flex;align-items:center;justify-content:center;padding:0}.btn-nav:hover:not(:disabled){border-color:var(--amber);color:var(--amber)}.btn-nav:disabled{opacity:.25;cursor:default}.btn-primary{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:56px;padding:16px 24px;background:var(--amber);color:#1a1408;border:none;border-radius:var(--radius);font-family:Fraunces,serif;font-size:18px;font-weight:600;cursor:pointer;transition:.18s;box-shadow:0 6px 22px -8px #e0a23c73}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 30px -10px #e0a23c8c}.btn-primary:disabled{background:var(--bg2);color:var(--ink-dim);border:1px solid var(--line);box-shadow:none;cursor:not-allowed}.btn-secondary{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:56px;padding:14px 24px;background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);font-family:Newsreader,serif;font-size:17px;cursor:pointer;transition:.18s}.btn-secondary:hover{border-color:var(--amber-dim);color:var(--amber)}.btn-outline{display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:11px 20px;background:transparent;color:var(--ink-dim);border:1px solid var(--line);border-radius:var(--radius);font-family:Newsreader,serif;font-size:15px;cursor:pointer;transition:.18s}.btn-outline:hover:not(:disabled){border-color:var(--amber-dim);color:var(--amber)}.btn-outline:disabled{opacity:.35;cursor:not-allowed}.btn-ghost{background:none;border:none;color:var(--amber);font-family:Newsreader,serif;font-size:15px;cursor:pointer;padding:8px 4px}.btn-large{min-height:64px}.btn-sub{font-size:13px;font-weight:400;opacity:.8;margin-top:3px;font-family:JetBrains Mono,monospace}.home-main{flex:1;padding:0 20px 32px;display:flex;flex-direction:column;gap:16px}.home-head{padding:32px 20px 20px;position:relative}.build-version{position:absolute;top:12px;right:16px;font-family:JetBrains Mono,monospace;font-size:10px;color:var(--ink-dim);opacity:.45;letter-spacing:.04em}.home-kicker{font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.22em;color:var(--amber-dim);text-transform:uppercase;margin-bottom:6px}.home-title{font-family:Fraunces,serif;font-weight:600;font-size:30px;line-height:1.15;margin:0;letter-spacing:-.01em}.prog-bar{height:7px;background:var(--paper);border-radius:99px;overflow:hidden;border:1px solid var(--line)}.prog-fill{height:100%;background:linear-gradient(90deg,var(--teal-dim),var(--teal));border-radius:99px;transition:width .6s cubic-bezier(.2,.7,.3,1)}.prog-meta{display:flex;justify-content:space-between;margin-top:7px;font-size:12.5px;color:var(--ink-dim)}.prog-meta b{color:var(--ink);font-family:JetBrains Mono,monospace}.status-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.status-tile{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:15px 8px;text-align:center;cursor:pointer;transition:.16s}.status-tile:hover{transform:translateY(-2px);border-color:var(--amber-dim)}.tile-n{font-family:JetBrains Mono,monospace;font-size:27px;font-weight:700;line-height:1}.tile-l{font-size:11.5px;color:var(--ink-dim);margin-top:6px}.tile-dim .tile-n{color:var(--ink-dim)}.tile-red .tile-n{color:var(--red)}.tile-teal .tile-n{color:var(--teal)}.home-buttons{display:flex;flex-direction:column;gap:10px}.home-sub-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.home-subbtn{background:var(--bg2);border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:13px;font-family:Newsreader,serif;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.18s}.home-subbtn:hover{border-color:var(--amber-dim);color:var(--amber)}.sentence-list-section{display:flex;flex-direction:column;gap:12px}.filter-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.filter-tab{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:11px 4px;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;transition:.16s}.filter-count{font-family:JetBrains Mono,monospace;font-size:20px;font-weight:700}.filter-label{font-size:10.5px;color:var(--ink-dim)}.filter-tab--all.filter-tab--active{background:var(--paper);border-color:var(--ink-dim)}.filter-tab--all .filter-count{color:var(--ink-dim)}.filter-tab--none.filter-tab--active{background:var(--paper);border-color:var(--ink-dim)}.filter-tab--none .filter-count{color:var(--ink-dim)}.filter-tab--fail.filter-tab--active{background:var(--paper);border-color:var(--red)}.filter-tab--fail .filter-count{color:var(--red)}.filter-tab--pass.filter-tab--active{background:var(--paper);border-color:var(--teal)}.filter-tab--pass .filter-count{color:var(--teal)}.sentence-list{list-style:none;display:flex;flex-direction:column}.sentence-item{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line)}.sentence-item-left{display:flex;align-items:flex-start;gap:8px;flex:1;min-width:0}.sentence-item-text{display:flex;flex-direction:column;gap:3px;min-width:0}.sentence-item-ja{font-size:14px;line-height:1.4}.sentence-item-grammar{font-family:JetBrains Mono,monospace;font-size:10px;color:var(--ink-dim);letter-spacing:.04em}.status-badge{flex-shrink:0;min-width:28px;height:22px;border-radius:6px;padding:0 5px;display:flex;align-items:center;justify-content:center;font-family:JetBrains Mono,monospace;font-size:9.5px;font-weight:700;letter-spacing:.04em;margin-top:2px}.status-none{background:#a89d861f;color:var(--ink-dim);border:1px solid var(--line)}.status-fail{background:#d4604f1f;color:var(--red);border:1px solid var(--red)}.status-pass{background:#5fb39a1f;color:var(--teal);border:1px solid var(--teal-dim)}.sentence-item-actions{display:flex;gap:4px;flex-shrink:0}.status-btn{padding:4px 8px;border-radius:7px;border:1px solid var(--line);background:var(--bg2);color:var(--ink-dim);font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600;cursor:pointer;transition:.14s}.status-btn:hover{opacity:.8}.status-btn--pass{background:#5fb39a1a;border-color:var(--teal-dim);color:var(--teal)}.status-btn--fail{background:#d4604f1a;border-color:var(--red);color:var(--red)}.status-btn--none{background:#a89d861a;border-color:var(--line);color:var(--ink-dim)}.drill-main{flex:1;padding:28px 20px 20px;display:flex;flex-direction:column;gap:22px;background:var(--bg)}.grammar-tag{display:inline-block;padding:3px 10px;background:#e0a23c1a;color:var(--amber-dim);border:1px solid var(--amber-dim);border-radius:6px;font-family:JetBrains Mono,monospace;font-size:10.5px;letter-spacing:.08em;align-self:flex-start}.sentence-ja{font-family:Fraunces,serif;font-size:28px;font-weight:600;line-height:1.35;letter-spacing:-.01em}.hint-box{background:linear-gradient(160deg,var(--paper),var(--bg2));border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--radius);padding:16px}.hint-label{display:block;font-family:JetBrains Mono,monospace;font-size:10px;font-weight:700;color:var(--amber);margin-bottom:8px;text-transform:uppercase;letter-spacing:.14em}.hint-text{font-size:15.5px;line-height:1.6}.drill-footer{padding:16px 20px 32px;display:flex;flex-direction:column;gap:12px;background:var(--bg2);border-top:1px solid var(--line)}.voice-area{display:flex;flex-direction:column;align-items:center;gap:12px}.btn-voice{width:76px;height:76px;border-radius:50%;border:2px solid var(--amber);background:var(--bg2);color:var(--amber);font-family:JetBrains Mono,monospace;font-size:13px;font-weight:600;cursor:pointer;transition:.15s;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.btn-voice--active{background:var(--amber);color:#1a1408;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.text-input{width:100%;padding:12px 14px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:11px;font-family:Newsreader,serif;font-size:16px;resize:none;transition:.15s;outline:none}.text-input:focus{border-color:var(--amber-dim)}.text-input::placeholder{color:var(--ink-dim);opacity:.5;font-size:14px}.drill-actions{display:flex;align-items:center;gap:12px}.btn-skip{flex-shrink:0;font-size:13px;color:var(--ink-dim);white-space:nowrap;font-family:JetBrains Mono,monospace;background:none;border:none;cursor:pointer;padding:8px 4px;transition:.15s}.btn-skip:hover{color:var(--amber)}.drill-actions .btn-primary{flex:1}.result-main{flex:1;padding:24px 20px;display:flex;flex-direction:column;gap:18px}.badge{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:11px;font-family:Fraunces,serif;font-size:19px;font-weight:600;align-self:flex-start}.badge--pass{background:#5fb39a24;color:var(--teal);border:1px solid var(--teal-dim)}.badge--partial{background:#e0a23c1f;color:var(--amber);border:1px solid var(--amber-dim)}.badge--fail{background:#d4604f1f;color:var(--red);border:1px solid var(--red)}.badge--skip{background:#a89d861a;color:var(--ink-dim);border:1px solid var(--line)}.result-reason{font-size:15px;line-height:1.6;color:var(--ink-dim)}.answer-section{display:flex;flex-direction:column;gap:10px}.answer-box{padding:15px 16px;border-radius:var(--radius);background:linear-gradient(160deg,var(--paper),var(--bg2));border:1px solid var(--line)}.answer-box--model{border-color:var(--amber-dim);background:#e0a23c0f}.answer-box--ja{background:var(--paper);border-color:var(--line)}.answer-label{display:block;font-family:JetBrains Mono,monospace;font-size:9.5px;font-weight:700;color:var(--ink-dim);margin-bottom:7px;text-transform:uppercase;letter-spacing:.16em}.answer-box--model .answer-label{color:var(--amber-dim)}.answer-box p{font-size:17.5px;line-height:1.5}.tip-box{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:15px}.tip-label{display:block;font-family:JetBrains Mono,monospace;font-size:10px;color:var(--ink-dim);margin-bottom:6px;letter-spacing:.08em}.tip-box p{font-size:14.5px;line-height:1.6}.result-footer{padding:16px 20px 32px;display:flex;gap:10px;background:var(--bg2);border-top:1px solid var(--line)}.result-footer .btn-outline{flex:1}.result-footer .btn-primary{flex:2}.result-footer--self{flex-direction:column}.self-judge-label{font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);text-align:center;margin-bottom:4px}.self-judge-buttons{display:flex;gap:10px}.btn-self{flex:1;padding:14px 16px;border-radius:var(--radius);border:1px solid;font-family:Fraunces,serif;font-size:16px;font-weight:600;cursor:pointer;transition:.15s}.btn-self--pass{background:#5fb39a1f;border-color:var(--teal-dim);color:var(--teal)}.btn-self--pass:hover{background:#5fb39a38}.btn-self--fail{background:#d4604f1a;border-color:var(--red);color:var(--red)}.btn-self--fail:hover{background:#d4604f33}.stats-main{flex:1;padding:24px 20px;display:flex;flex-direction:column;gap:22px;overflow-y:auto}.stats-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-card{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:15px 8px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px}.stat-number{font-family:JetBrains Mono,monospace;font-size:28px;font-weight:700;line-height:1}.stat-label{font-size:11.5px;color:var(--ink-dim);margin-top:5px}.stat-card--green .stat-number{color:var(--teal)}.stat-card--orange .stat-number{color:var(--amber)}.grammar-section h2{font-family:Fraunces,serif;font-size:16px;font-weight:600;margin-bottom:12px}.grammar-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.grammar-info{flex:1;min-width:0}.grammar-name{display:block;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.grammar-sub{display:block;font-size:12px;color:var(--ink-dim);font-family:JetBrains Mono,monospace}.grammar-bar-wrap{width:80px;height:6px;background:var(--paper);border-radius:99px;overflow:hidden;flex-shrink:0;border:1px solid var(--line)}.grammar-bar{height:100%;background:linear-gradient(90deg,var(--teal-dim),var(--teal));border-radius:99px}.grammar-pct{width:36px;text-align:right;font-family:JetBrains Mono,monospace;font-size:13px;font-weight:600;flex-shrink:0}.stats-footer{padding:16px 20px 32px;background:var(--bg2);border-top:1px solid var(--line)}.loading{display:flex;align-items:center;justify-content:center;min-height:100dvh;font-size:16px;color:var(--ink-dim)}