:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;font-family:Arial,sans-serif;color:#1f2937}#root{width:100%}.app{max-width:720px;margin:0 auto;padding:16px 16px 40px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.title{font-size:32px;margin:0;line-height:1.2}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.summary-card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 4px 14px #00000014}.summary-label{font-size:14px;color:#6b7280;margin-bottom:8px}.summary-value{font-size:28px;font-weight:700}.card{background:#fff;border-radius:18px;padding:18px;margin-bottom:16px;box-shadow:0 4px 14px #00000014}h2{margin-top:0;margin-bottom:14px;font-size:22px}.form-grid{display:flex;flex-direction:column;gap:12px}.label{font-size:14px;color:#6b7280;font-weight:700;margin-bottom:-4px}.input{width:100%;padding:14px 16px;border:1px solid #d1d5db;border-radius:12px;font-size:16px;background:#fff;color:#111827}.input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1f}.textarea{min-height:96px;resize:vertical}select.input{appearance:none}button{border:none;border-radius:12px;font-size:16px;padding:14px 16px;cursor:pointer;transition:transform .08s ease,opacity .2s ease,box-shadow .2s ease}button:hover{opacity:.95;transform:translateY(-2px);box-shadow:0 4px 12px #0000001f}button:active{transform:scale(.98)}button:disabled{opacity:.65;cursor:not-allowed}.primary-button{background:#2563eb;color:#fff;font-weight:700}.secondary-button{background:#e5e7eb;color:#111827}.good-button{background:#16a34a;color:#fff;font-weight:700;flex:1}.bad-button{background:#dc2626;color:#fff;font-weight:700;flex:1}.delete-button{background:#fee2e2;color:#b91c1c;padding:10px 12px;font-size:14px}.full-button{width:100%}.button-group{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.word-list{display:flex;flex-direction:column;gap:12px}.word-card{border:1px solid #e5e7eb;border-radius:14px;padding:14px;background:#fafafa}.word-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.word-title{font-size:20px;font-weight:700;margin-bottom:4px;word-break:break-word}.word-meaning{font-size:16px;word-break:break-word}.example-text{margin-top:10px;color:#4b5563;line-height:1.5}.stats{margin-top:12px;font-size:14px;color:#6b7280}.empty-text{color:#6b7280}.quiz-word{font-size:40px;font-weight:700;text-align:center;margin:28px 0;word-break:break-word}.answer-box{background:#f9fafb;border-radius:14px;padding:16px;margin-top:16px}.weak-list{display:flex;flex-direction:column;gap:10px}.weak-item{padding:12px;border-radius:12px;background:#fff7ed;border:1px solid #fed7aa}.helper-text{margin:4px 0 0;color:#4b5563;font-size:14px}.suggestion-list{display:flex;flex-direction:column;gap:12px}.suggestion-card{border:1px solid #dbe4ff;background:#f8fbff;border-radius:14px;padding:14px}.suggestion-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.meaning-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.meaning-chip{background:#e0ecff;color:#1d4ed8;padding:8px 12px;border-radius:999px;font-size:14px}.meaning-chip:hover{opacity:.9}.home-menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:20px 0}.menu-btn{flex:1;padding:16px;border-radius:14px;border:none;background:#f1f5f9;color:#111827;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #00000014}.menu-btn:hover{background:#e2e8f0;transform:translateY(-2px)}.menu-btn.primary{background:#2563eb;color:#fff}.menu-btn.primary:hover{background:#1d4ed8}.icon-button{background:#2563eb;color:#fff;border:none;border-radius:50%;width:42px;height:42px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.icon-button:hover{background:#1d4ed8;transform:translateY(-2px)}.icon-button:active{transform:scale(.95)}.list-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.list-header h2{margin:0}.sort-select{padding:10px 14px;border:1px solid #d1d5db;border-radius:10px;background:#fff;color:#111827;font-size:14px;cursor:pointer}@media(max-width:600px){.app{padding:12px 12px 32px}.title{font-size:26px}.summary-grid{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:stretch}.word-header,.button-group{flex-direction:column}.primary-button,.secondary-button,.good-button,.bad-button,.delete-button{width:100%}.quiz-word{font-size:32px}h2{font-size:20px}.suggestion-header{flex-direction:column}.home-menu{display:grid;grid-template-columns:1fr;gap:12px;margin:20px 0}.menu-card{width:100%;border:1px solid #e5e7eb;background:#fff;border-radius:20px;padding:22px;text-align:left;cursor:pointer;box-shadow:0 10px 25px #0f172a0f}.menu-card:hover{transform:translateY(-2px)}.menu-title{font-size:20px;font-weight:700;color:#0f172a}.menu-text{margin-top:6px;font-size:14px;color:#64748b}.menu-btn{flex:1;padding:16px;border-radius:14px;border:none;background:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #00000014}.menu-btn:hover{transform:translateY(-2px)}.menu-btn.primary{background:#2563eb;color:#fff}.menu-btn.primary:hover{background:#1d4ed8}}
