.buns { display: none; }
        .sentence-container {
            width: 100%;
            max-width: 800px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #ffffff, #f1f5f9);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .sentence-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-bottom: 1px solid #e5e7eb;
        }
        .sentence-row:last-child { border-bottom: none; }
        .number { 
            width: 40px; 
            font-weight: bold; 
            color: #1e293b; 
        }
        .delete-btn, .trans-btn {
            padding: 6px 12px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color 0.2s;
            font-size: 14px;
        }
        .delete-btn {
            background-color: #ef4444;
            color: white;
        }
        .delete-btn:hover { background-color: #dc2626; }
        .trans-btn {
            background-color: #3b82f6;
            color: white;
        }
        .trans-btn:hover { background-color: #2563eb; }
        .sentence {
            flex: 1;
            padding: 8px;
            border-radius: 6px;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .sentence:hover { background-color: #e2e8f0; }
        .translation {
            display: none;
            margin-top: 8px;
            padding: 8px;
            background-color: #f1f5f9;
            border-radius: 6px;
            cursor: pointer;
            color: #475569;
        }
        .translation.show { display: block; }
        .delete-list {
            width: 100%;
            max-width: 800px;
            margin: 0 auto 20px;
            text-align: center;
        }
        .delete-list span {
            display: inline-block;
            background-color: #fee2e2;
            padding: 8px 16px;
            border-radius: 16px;
            margin: 5px;
            cursor: pointer;
            transition: background-color 0.2s;
            font-size: 14px;
        }
        .delete-list span:hover { background-color: #fecaca; }