.blank-lines-container{display:grid;grid-template-columns:300px 1fr;gap:24px;margin-bottom:24px}.options-sidebar{display:flex;flex-direction:column;gap:20px}.options-card,.stats-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:20px;padding:20px;border:1px solid rgba(0,0,0,0.05);box-shadow:0 4px 20px rgba(0,0,0,0.03)}.options-card h3,.stats-card h3{font-size:0.9rem;font-weight:600;margin-bottom:16px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.option-group{margin-bottom:20px}.option-title{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-500);margin-bottom:10px;letter-spacing:0.5px}.mode-buttons{display:flex;flex-direction:column;gap:8px}.mode-btn{background:var(--gray-100);border:none;padding:10px 16px;border-radius:12px;font-size:0.85rem;cursor:pointer;transition:all 0.2s;text-align:left;display:flex;align-items:center;gap:10px}.mode-btn i{width:24px;color:var(--gray-500)}.mode-btn.active{background:var(--primary-color);color:white}.mode-btn.active i{color:white}.checkbox-group{display:flex;flex-direction:column;gap:12px}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:0.8rem}.checkbox-label input{display:none}.checkmark{width:18px;height:18px;border:2px solid var(--gray-400);border-radius:4px;display:inline-block;position:relative;transition:all 0.2s}.checkbox-label input:checked+.checkmark{background:var(--primary-color);border-color:var(--primary-color)}.checkbox-label input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:10px;color:white;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.separator-select{width:100%;padding:10px 12px;border:1px solid var(--gray-200);border-radius:12px;background:white;font-size:0.85rem}.stats-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px;margin-bottom:16px}.stat-item{text-align:center;padding:10px;background:white;border-radius:12px}.stat-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:4px}.stat-value{display:block;font-size:1.3rem;font-weight:700;color:var(--primary-color)}.progress-bar{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden;margin-top:8px}.progress-fill{height:100%;background:linear-gradient(90deg, var(--primary-color), var(--primary-light));border-radius:3px;transition:width 0.3s}.action-buttons{display:flex;flex-direction:column;gap:10px}.full-width{width:100%;padding:10px;border-radius:40px}.editor-area{display:flex;flex-direction:column;gap:20px}.editor-card{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;transition:box-shadow .3s}.editor-card:focus-within{box-shadow:0 8px 30px rgba(59,130,246,0.15)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-200);font-weight:500;font-size:0.85rem}.editor-actions{display:flex;gap:8px}.icon-btn-sm{background:transparent;border:none;padding:6px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-600)}.icon-btn-sm:hover{background:var(--gray-200);color:var(--primary-color)}.editor-textarea{width:100%;min-height:280px;padding:20px;font-family:'Fira Code','Monaco',monospace;font-size:0.85rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.editor-textarea:focus{outline:none}.result-textarea{background:#1a1a2e;color:#a0e0a0}.editor-footer{padding:10px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.7rem;color:var(--gray-500);display:flex;justify-content:space-between}.process-btn{background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));border:none;padding:6px 20px;border-radius:30px;color:white;font-size:0.8rem}.diff-hint{color:#10b981}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px}.info-item{display:flex;align-items:center;gap:10px;font-size:0.8rem;color:var(--gray-600)}.info-item i{width:24px;height:24px;background:var(--gray-100);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--primary-color);font-size:0.7rem}.info-note{background:#fef3c7;border-radius:12px;padding:12px 16px;font-size:0.75rem;color:#92400e;margin-top:16px}.ad-section{margin:20px 0 40px}.ad-banner{background:linear-gradient(135deg, #f5f5f5, #fff);border:1px solid var(--gray-200);border-radius:16px;padding:20px;text-align:center;position:relative}.ad-label{position:absolute;top:8px;right:12px;font-size:0.6rem;color:var(--gray-400)}.ad-content{color:var(--gray-500);font-size:0.85rem}@media (max-width:900px){.blank-lines-container{grid-template-columns:1fr}.mode-buttons{flex-direction:row;flex-wrap:wrap}.mode-btn{flex:1;justify-content:center}.stats-grid{grid-template-columns:repeat(4, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.stats-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:1fr}.editor-header{flex-direction:column;gap:10px;align-items:flex-start}}