@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--font-main:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-jp:"Noto Sans JP", sans-serif;--bg-main:#0b0f19;--bg-card:#131b2e;--bg-card-hover:#19233c;--bg-surface:#0f1524;--bg-glass:#131b2ebf;--border-subtle:#ffffff14;--border-active:#ff4b5566;--border-glow:#ff4b5533;--primary:#ff4b55;--primary-hover:#ff3340;--primary-light:#ff4b551f;--primary-gradient:linear-gradient(135deg, #ff4b55 0%, #ff708f 100%);--accent-gold:#f59e0b;--accent-emerald:#10b981;--accent-blue:#3b82f6;--accent-purple:#8b5cf6;--text-main:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 8px 24px #0006;--shadow-lg:0 16px 40px #00000080;--shadow-glow:0 0 24px #ff4b5540;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5;overflow-x:hidden}.ambient-bg{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.blob-1{filter:blur(60px);background:radial-gradient(circle,#ff4b5514 0%,#0000 70%);width:550px;height:550px;position:absolute;top:-10%;left:15%}.blob-2{filter:blur(60px);background:radial-gradient(circle,#3b82f60f 0%,#0000 70%);width:500px;height:500px;position:absolute;top:40%;right:-5%}.blob-3{filter:blur(80px);background:radial-gradient(circle,#f59e0b0d 0%,#0000 70%);width:600px;height:600px;position:absolute;bottom:-10%;left:30%}.app-container{z-index:1;min-height:100vh;display:flex;position:relative}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border-subtle);z-index:20;width:260px;transition:transform var(--transition-normal);flex-direction:column;padding:24px 16px;display:flex;position:fixed;top:0;bottom:0;left:0}.brand{border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;padding:0 12px 24px;display:flex}.brand-icon{background:var(--primary-gradient);border-radius:var(--radius-md);color:#fff;width:40px;height:40px;box-shadow:var(--shadow-glow);justify-content:center;align-items:center;font-size:20px;font-weight:800;display:flex}.brand-title{letter-spacing:-.5px;color:var(--text-main);font-size:19px;font-weight:800}.brand-tag{color:var(--primary);text-transform:uppercase;letter-spacing:1px;font-size:11px;font-weight:600}.nav-menu{flex-direction:column;flex:1;gap:6px;margin-top:24px;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:14px;width:100%;padding:12px 14px;font-size:14px;font-weight:600;display:flex}.nav-item:hover{color:var(--text-main);background:#ffffff0a}.nav-item.active{color:#fff;background:var(--primary-light);border-left:3px solid var(--primary)}.nav-badge{border-radius:var(--radius-full);background:#ffffff14;margin-left:auto;padding:2px 7px;font-size:11px;font-weight:700}.nav-badge.admin{color:#f87171;background:#ef444433}.user-snippet{border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center;gap:12px;padding:16px 12px;display:flex}.avatar{border-radius:var(--radius-full);background:var(--bg-card-hover);border:1px solid var(--border-subtle);width:36px;height:36px;color:var(--primary);justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.user-info{flex:1;min-width:0}.user-name{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.user-role{color:var(--text-muted);font-size:11px}.main-wrapper{flex-direction:column;flex:1;min-height:100vh;margin-left:260px;display:flex}.topbar{border-bottom:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background:#0b0f19cc;justify-content:space-between;align-items:center;height:70px;padding:0 32px;display:flex;position:sticky;top:0}.page-title-group h1{letter-spacing:-.3px;font-size:20px;font-weight:700}.topbar-actions{align-items:center;gap:16px;display:flex}.streak-pill{border-radius:var(--radius-full);color:var(--accent-gold);background:#f59e0b1f;border:1px solid #f59e0b4d;align-items:center;gap:8px;padding:6px 14px;font-size:13px;font-weight:700;display:flex}.content-body{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:32px}.stations-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin-top:24px;display:grid}.station-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-normal);cursor:pointer;flex-direction:column;padding:24px;display:flex;position:relative;overflow:hidden}.station-card:hover{border-color:var(--border-active);box-shadow:var(--shadow-md);background:var(--bg-card-hover);transform:translateY(-4px)}.station-card-header{justify-content:space-between;align-items:flex-start;margin-bottom:16px;display:flex}.station-icon-box{border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;display:flex}.station-number{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:12px;font-weight:700}.station-card-title{color:var(--text-main);margin-bottom:6px;font-size:18px;font-weight:700}.station-card-desc{color:var(--text-secondary);flex:1;margin-bottom:20px;font-size:14px;line-height:1.5}.station-features{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.feature-tag{border-radius:var(--radius-sm);color:var(--text-secondary);background:#ffffff0d;padding:4px 10px;font-size:12px}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);font-size:14px;font-weight:600;font-family:var(--font-main);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 12px #ff4b554d}.btn-primary:hover:not(:disabled){opacity:.95;transform:translateY(-1px);box-shadow:0 6px 16px #ff4b5566}.btn-secondary{color:var(--text-main);border:1px solid var(--border-subtle);background:#ffffff0f}.btn-secondary:hover:not(:disabled){background:#ffffff1a}.btn:disabled{opacity:.5;cursor:not-allowed}.feedback-alert{z-index:100;border-radius:var(--radius-md);min-width:320px;max-width:440px;box-shadow:var(--shadow-lg);align-items:flex-start;gap:12px;padding:16px 20px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;display:flex;position:fixed;bottom:24px;right:24px}.feedback-success{color:#ecfdf5;background:#064e3b;border:1px solid #059669}.feedback-error{color:#fef2f2;background:#7f1d1d;border:1px solid #dc2626}.feedback-info{color:#eff6ff;background:#1e3a8a;border:1px solid #3b82f6}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.onboarding-banner{border:1px solid var(--border-active);border-radius:var(--radius-lg);background:linear-gradient(135deg,#ff4b551a 0%,#3b82f61a 100%);justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;padding:20px 24px;display:flex}.onboarding-content{align-items:center;gap:16px;display:flex}.onboarding-icon{border-radius:var(--radius-full);background:var(--primary-light);width:44px;height:44px;color:var(--primary);justify-content:center;align-items:center;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:50;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg);padding:32px;position:relative}.form-group{margin-bottom:18px}.form-label{color:var(--text-secondary);margin-bottom:8px;font-size:13px;font-weight:600;display:block}.form-input{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;color:var(--text-main);font-family:var(--font-main);transition:border-color var(--transition-fast);padding:12px 16px;font-size:14px}.form-input:focus{border-color:var(--primary);outline:none}@media (width<=900px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-wrapper{margin-left:0}}.kana-hero{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:linear-gradient(135deg,#3b82f629 0%,#131b2ee6 100%);margin-bottom:20px;padding:24px 28px}.kana-phase-badge{border-radius:var(--radius-full);color:var(--accent-blue);background:#3b82f62e;align-items:center;gap:6px;margin-bottom:10px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-flex}.kana-hero-title{margin-bottom:8px;font-size:22px;font-weight:800}.kana-hero-desc{color:var(--text-secondary);max-width:820px;font-size:14px;line-height:1.6}.kana-hero-stats{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.kana-stat{color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-full);background:#ffffff0a;padding:6px 14px;font-size:12px}.kana-stat strong{color:var(--text-main)}.kana-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.kana-tabs{flex-wrap:wrap;gap:8px;display:flex}.kana-tab{border-radius:var(--radius-full);border:1px solid var(--border-subtle);background:var(--bg-card);color:var(--text-secondary);font-family:var(--font-main);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:8px;padding:9px 16px;font-size:13px;font-weight:600;display:inline-flex}.kana-tab:hover{color:var(--text-main);border-color:var(--border-active)}.kana-tab.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.kana-tab-count{border-radius:var(--radius-full);background:#ffffff14;padding:1px 7px;font-size:11px}.kana-note-banner{border-radius:var(--radius-md);color:var(--text-secondary);background:#3b82f61a;border:1px solid #3b82f64d;align-items:flex-start;gap:10px;margin-bottom:20px;padding:12px 16px;font-size:13px;line-height:1.55;display:flex}.kana-table-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:20px;display:grid}.kana-side{position:sticky;top:20px}.kana-section{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:18px;padding:18px 20px}.kana-section-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.kana-section-title{align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.kana-section-dot{border-radius:var(--radius-full);flex-shrink:0;width:10px;height:10px}.kana-section-desc{color:var(--text-muted);margin-top:4px;font-size:12px;line-height:1.5}.kana-count-badge{border-radius:var(--radius-full);white-space:nowrap;padding:4px 10px;font-size:11px;font-weight:700}.kana-rows{flex-direction:column;gap:8px;display:flex}.kana-row{grid-template-columns:132px repeat(5,minmax(0,1fr));align-items:stretch;gap:8px;display:grid}.kana-row-label{color:var(--text-muted);align-items:center;font-size:11px;font-weight:600;line-height:1.3;display:flex}.kana-cell{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-main);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:8px 4px;display:flex}.kana-cell:hover{background:var(--bg-card-hover);border-color:var(--border-active);transform:translateY(-1px)}.kana-cell.is-spacer{visibility:hidden;pointer-events:none}.kana-cell.is-active{background:var(--primary-light);border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}.kana-cell-char{font-family:var(--font-jp);font-size:22px;line-height:1.15}.kana-cell-romaji{color:var(--text-muted);font-size:11px}.kana-cell.is-mistake .kana-cell-romaji{color:var(--accent-gold)}.kana-cell.is-particle .kana-cell-romaji{color:var(--accent-purple)}.kana-legend{color:var(--text-muted);flex-wrap:wrap;gap:18px;margin:4px 0 8px;font-size:12px;display:flex}.kana-legend-item{align-items:center;gap:6px;display:inline-flex}.kana-dot{border-radius:var(--radius-full);background:var(--text-muted);width:8px;height:8px}.kana-dot.is-mistake{background:var(--accent-gold)}.kana-dot.is-particle{background:var(--accent-purple)}.kana-detail{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px}.kana-detail-empty{color:var(--text-muted);align-items:center;gap:8px;font-size:13px;line-height:1.55;display:flex}.kana-detail-top{align-items:center;gap:16px;margin-bottom:14px;display:flex}.kana-detail-char{font-family:var(--font-jp);text-align:center;min-width:92px;font-size:62px;line-height:1}.kana-detail-romaji{font-size:20px;font-weight:800}.kana-detail-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.kana-detail-badges{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.kana-badge{border-radius:var(--radius-full);align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-flex}.kana-badge.is-warn{color:var(--accent-gold);background:#f59e0b29}.kana-badge.is-particle{color:var(--accent-purple);background:#8b5cf629}.kana-inline-note{color:var(--text-secondary);border-radius:var(--radius-md);background:#8b5cf614;border:1px solid #8b5cf640;margin-bottom:12px;padding:10px 12px;font-size:12px;line-height:1.55}.kana-detail-note{color:var(--text-secondary);margin-bottom:12px;font-size:13px;line-height:1.6}.kana-examples{margin-bottom:14px}.kana-examples-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;font-size:12px;font-weight:700}.kana-examples ul{flex-direction:column;gap:8px;list-style:none;display:flex}.kana-examples li{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:#ffffff08;flex-direction:column;gap:2px;padding:8px 10px;display:flex}.kana-example-word{font-family:var(--font-jp);font-size:15px}.kana-example-reading{color:var(--accent-blue);font-size:12px}.kana-example-meaning{color:var(--text-muted);font-size:12px}.kana-detail-actions{flex-wrap:wrap;gap:8px;display:flex}.kana-detail-actions .btn{flex:auto;justify-content:center;padding:10px 14px;font-size:13px}.kana-audio-note{color:var(--text-muted);margin-top:12px;font-size:11px;line-height:1.5}.chip{border-radius:var(--radius-full);border:1px solid var(--border-subtle);color:var(--text-secondary);font-family:var(--font-main);cursor:pointer;transition:all var(--transition-fast);background:#ffffff0a;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex}.chip:hover:not(:disabled){color:var(--text-main);border-color:var(--border-active)}.chip.is-active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.chip:disabled{opacity:.45;cursor:not-allowed}.canvas-panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px}.canvas-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;display:flex}.canvas-tool-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.canvas-tool-label{color:var(--text-muted);font-size:12px;font-weight:700}.canvas-shell{justify-content:center;display:flex}.kana-canvas{border-radius:var(--radius-md);border:1px solid var(--border-subtle);touch-action:none;cursor:crosshair;background:#fff}.canvas-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;display:flex}.canvas-hint{color:var(--text-muted);font-size:12px;line-height:1.5}.quiz-panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:22px}.quiz-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;display:flex}.quiz-scope{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.quiz-score{gap:8px;display:flex}.quiz-score-item{border-radius:var(--radius-full);border:1px solid var(--border-subtle);color:var(--text-secondary);background:#ffffff0d;padding:6px 12px;font-size:12px;font-weight:700}.quiz-score-item.is-correct{color:var(--accent-emerald);border-color:#10b98159}.quiz-score-item.is-wrong{color:#ef4444;border-color:#ef444459}.quiz-question{flex-direction:column;align-items:center;gap:12px;padding:18px 0 22px;display:flex}.quiz-char-button{cursor:pointer;background:0 0;border:none;padding:0}.quiz-char{font-family:var(--font-jp);color:var(--text-main);font-size:104px;line-height:1.1;display:block}.quiz-question-meta{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.quiz-hint{color:var(--text-muted);font-size:12px}.quiz-options{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.quiz-option{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-main);font-family:var(--font-main);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:12px;padding:14px 16px;font-size:15px;font-weight:600;display:flex}.quiz-option:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-active)}.quiz-option kbd{background:#ffffff1a;border-radius:4px;padding:2px 7px;font-size:11px;font-weight:700}.quiz-option.is-correct{color:#10b981;background:#10b98124;border-color:#10b981}.quiz-option.is-wrong{color:#ef4444;background:#ef444424;border-color:#ef4444}.quiz-option:disabled{cursor:default}.quiz-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.kana-write-layout{grid-template-columns:360px minmax(0,1fr);align-items:start;gap:20px;display:grid}.kana-write-picker{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;gap:12px;padding:20px;display:flex}.kana-scope-chips{flex-wrap:wrap;gap:8px;display:flex}.kana-picker{grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:8px;max-height:320px;padding-right:4px;display:grid;overflow-y:auto}.kana-picker-item{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-main);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;align-items:center;gap:2px;padding:8px 4px;display:flex}.kana-picker-item:hover{border-color:var(--border-active)}.kana-picker-item.is-active{background:var(--primary-light);border-color:var(--primary)}.kana-picker-char{font-family:var(--font-jp);font-size:19px;line-height:1.2}.kana-picker-romaji{color:var(--text-muted);font-size:10px}@media (width<=1100px){.kana-table-layout,.kana-write-layout{grid-template-columns:minmax(0,1fr)}.kana-side{position:static}}@media (width<=720px){.kana-row{grid-template-columns:88px repeat(5,minmax(0,1fr));gap:5px}.kana-cell-char .flashcard-shell{flex-direction:column;gap:18px;display:flex}.kana-cell-char .flashcard-header{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;padding:20px 22px;display:flex}.kana-cell-char .flashcard-title{align-items:center;gap:10px;font-size:20px;font-weight:800;display:flex}.kana-cell-char .flashcard-subtitle{color:var(--text-secondary);margin-top:6px;font-size:13px}.kana-cell-char .flashcard-stats{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.kana-cell-char .flashcard-stat{color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-full);background:#ffffff0a;align-items:center;gap:6px;padding:6px 12px;font-size:12px;display:inline-flex}.kana-cell-char .flashcard-stat strong{color:var(--text-main)}.kana-cell-char .flashcard-progress{border-radius:var(--radius-full);background:#ffffff0f;height:6px;overflow:hidden}.kana-cell-char .flashcard-progress-bar{border-radius:var(--radius-full);height:100%;transition:width var(--transition-normal);background:linear-gradient(90deg,#10b981 0%,#3b82f6 100%)}.kana-cell-char .flashcard-note{color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;font-size:13px;display:flex}.kana-cell-char .flashcard-note.is-error{color:#f87171;border-color:#ef444466}.kana-cell-char .flashcard-note.is-warn{color:var(--accent-gold);border-color:#f59e0b73;justify-content:flex-start;align-items:flex-start;line-height:1.5}.kana-cell-char .flashcard-login-required,.kana-cell-char .flashcard-empty{text-align:center;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;align-items:center;gap:12px;padding:40px 24px;display:flex}.kana-cell-char .flashcard-stage{perspective:1400px;justify-content:center;display:flex}.kana-cell-char .flashcard-card{cursor:pointer;width:min(520px,100%);min-height:300px;transform-style:preserve-3d;background:0 0;border:none;padding:0;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.kana-cell-char 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th{text-align:left;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border-subtle);padding:8px 10px;font-size:11px}.kana-cell-char .grammar-practice .exam-table td{border-bottom:1px solid #ffffff0a;padding:8px 10px}.kana-cell-char .grammar-practice .heatmap-grid{grid-template-columns:repeat(auto-fill,minmax(12px,1fr));gap:3px;display:grid}.kana-cell-char .grammar-practice .heat-cell{background:#ffffff0d;border-radius:3px;width:12px;height:12px;display:inline-block}.kana-cell-char .grammar-practice .heat-cell.level-1{background:#10b98159}.kana-cell-char .grammar-practice .heat-cell.level-2{background:#10b9818c}.kana-cell-char .grammar-practice .heat-cell.level-3{background:#10b981c7}.kana-cell-char .grammar-practice .heat-cell.level-4{background:#10b981}.kana-cell-char .grammar-practice .heat-legend{color:var(--text-muted);align-items:center;gap:6px;margin-top:12px;font-size:11px;display:flex}.kana-cell-char .grammar-practice 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.exam-result-list{flex-direction:column;gap:10px;max-height:520px;display:flex;overflow-y:auto}.kana-cell-char .grammar-practice .exam-result-item{border:1px solid var(--border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:12px 14px;display:flex}.kana-cell-char .grammar-practice .exam-result-item.is-correct{border-color:#10b98173}.kana-cell-char .grammar-practice .exam-result-item.is-wrong{border-color:#ef444473}.kana-cell-char .grammar-practice .exam-result-head{align-items:center;gap:10px;font-size:13px;display:flex}.kana-cell-char .grammar-rules{max-height:none}}.kana-cell-char .kanji-layout{grid-template-columns:minmax(0,1fr)}.kana-cell-char .kanji-detail{position:static}}.kana-cell-char .flashcard-reading{font-family:var(--font-jp);font-size:26px;font-weight:600}.kana-cell-char .flashcard-sino{color:var(--accent-blue);font-size:13px}.kana-cell-char .flashcard-meaning{font-size:17px;font-weight:700}.kana-cell-char .flashcard-example{color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#ffffff08;flex-direction:column;align-items:center;gap:3px;margin-top:6px;padding:10px 14px;font-size:13px;display:flex}.kana-cell-char .flashcard-example strong{font-family:var(--font-jp);color:var(--text-main);font-size:15px}.kana-cell-char .flashcard-example em{color:var(--accent-blue);font-style:normal}.kana-cell-char .flashcard-rating{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;display:grid}.kana-cell-char .flashcard-rating-btn{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-card);font-family:var(--font-main);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;align-items:center;gap:4px;padding:14px 10px;display:flex}.kana-cell-char .flashcard-rating-btn:hover:not(:disabled){background:var(--bg-card-hover);transform:translateY(-2px)}.kana-cell-char .flashcard-rating-btn:disabled{opacity:.55;cursor:not-allowed}.kana-cell-char .flashcard-rating-btn kbd{color:var(--text-secondary);background:#ffffff14;border-radius:4px;padding:2px 8px;font-size:11px}.kana-cell-char .flashcard-rating-label{font-size:15px;font-weight:800}.kana-cell-char .flashcard-rating-hint{color:var(--text-muted);font-size:11px}.kana-cell-char .flashcard-hint-row{color:var(--text-muted);text-align:center;font-size:12px}@media (width<=720px){.kana-cell-char .flashcard-word{font-size:42px}.kana-cell-char .flashcard-card{min-height:260px}}.kana-cell-char{font-size:18px}.kana-cell-romaji{font-size:10px}.kana-detail-char{min-width:68px;font-size:48px}.quiz-char{font-size:78px}.kana-hero{padding:18px 16px}}.mascot-badge{align-items:center;gap:14px;display:flex}.mascot-emoji{filter:drop-shadow(0 6px 12px #0000004d);font-size:40px;line-height:1}.mascot-info{flex-direction:column;gap:2px;display:flex}.mascot-label{color:var(--text-primary,#f9fafb);font-size:15px;font-weight:800}.mascot-badge .kana-detail-meta{display:block}.exam-class-controls{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.exam-audio-btn{border-radius:var(--radius-full);border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;background:#ffffff0d;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;transition:all .15s;display:inline-flex}.exam-audio-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}