.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #0f172a, #1e293b);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #334155);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.morse-signal{display:flex;flex-direction:column;align-items:center;margin-bottom:30px}.signal-light{width:60px;height:60px;border-radius:50%;background:#1e293b;box-shadow:0 0 10px rgba(0,0,0,0.2);transition:all 0.1s ease}.signal-light.active{background:#fbbf24;box-shadow:0 0 30px rgba(251,191,36,0.8)}.signal-label{margin-top:8px;font-size:0.7rem;color:var(--gray-500)}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.stat-card{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #e2e8f0, #f1f5f9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#334155;font-size:1.3rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.mode-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.mode-tab{background:transparent;border:none;padding:12px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;display:flex;align-items:center;gap:10px;font-weight:500}.mode-tab.active{background:linear-gradient(135deg, #1e293b, #334155);color:white;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.convert-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.input-card,.output-card{background:white;border-radius:20px;overflow:hidden;border:1px solid var(--gray-200)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200);font-weight:500}.card-actions{display:flex;gap:8px}.icon-btn-sm{background:transparent;border:1px solid var(--gray-200);padding:6px 12px;border-radius:30px;cursor:pointer;font-size:0.7rem;transition:all 0.2s}.icon-btn-sm:hover{background:var(--gray-100)}.morse-textarea{width:100%;min-height:200px;padding:20px;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.morse-textarea:focus{outline:none}.morse-output,.text-output{min-height:200px;padding:20px;font-family:'Fira Code',monospace;font-size:0.9rem;line-height:1.6;background:#1a1a2e;color:#e0e0e0;margin:0;white-space:pre-wrap;word-break:break-all}.convert-actions{text-align:center;margin-bottom:24px}.convert-btn{background:linear-gradient(135deg, #1e293b, #334155);padding:12px 36px;border-radius:50px}.morse-table-section{background:var(--gray-50);border-radius:20px;margin-bottom:24px;overflow:hidden}.table-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(135deg, #f8fafc, #fff);cursor:pointer;font-weight:500}.toggle-btn{background:transparent;border:none;cursor:pointer;color:var(--gray-500)}.morse-table{padding:20px;border-top:1px solid var(--gray-200)}.table-category{margin-bottom:24px}.table-category h4{font-size:0.85rem;margin-bottom:12px;color:var(--gray-700)}.table-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(100px, 1fr));gap:8px}.table-item{background:white;padding:8px 12px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;font-family:monospace;font-size:0.8rem;border:1px solid var(--gray-200);cursor:pointer;transition:all 0.2s}.table-item:hover{background:#1e293b;color:white;transform:translateY(-2px)}.table-item .char{font-weight:600}.table-item .code{color:var(--primary-color);font-family:monospace}.info-section{margin-top:20px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#10b981}@media (max-width:900px){.convert-panel{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.info-grid{grid-template-columns:1fr}.mode-tab{padding:8px 16px;font-size:0.8rem}.table-grid{grid-template-columns:repeat(2, 1fr)}}