.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, #10b981, #059669);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, #10b981);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.live-clock{margin-bottom:32px}.current-time-card{background:linear-gradient(135deg, #1a1a2e, #16213e);border-radius:28px;padding:24px 32px;position:relative;overflow:hidden;box-shadow:0 15px 35px rgba(0,0,0,0.2)}.current-time-card::before{content:'';position:absolute;top:-50%;right:-20%;width:200px;height:200px;background:radial-gradient(circle, rgba(16,185,129,0.1), transparent);border-radius:50%}.time-display{text-align:center;margin-bottom:20px}.time-label{font-size:0.75rem;color:var(--gray-400);letter-spacing:2px;text-transform:uppercase}.time-value{font-size:2rem;font-weight:700;color:white;font-family:monospace;margin-top:8px}.timestamp-display{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.ts-item{text-align:center}.ts-label{display:block;font-size:0.7rem;color:var(--gray-400);margin-bottom:6px}.ts-value{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.1);padding:6px 16px;border-radius:40px;font-size:0.85rem;font-family:monospace;color:#10b981}.copy-ts{background:transparent;border:none;color:var(--gray-400);cursor:pointer;padding:2px 6px;border-radius:20px}.copy-ts:hover{background:rgba(255,255,255,0.2);color:white}.refresh-badge{position:absolute;bottom:12px;right:20px;font-size:0.65rem;color:var(--gray-500)}.converter-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.converter-card{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);transition:all 0.3s}.converter-card:hover{box-shadow:0 8px 25px rgba(0,0,0,0.08)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.card-title{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--gray-700)}.card-title i{color:#10b981}.card-badge{background:#d1fae5;color:#065f46;padding:4px 12px;border-radius:30px;font-size:0.65rem}.card-body{padding:20px}.input-group{margin-bottom:24px}.input-group label{display:block;font-weight:600;font-size:0.85rem;color:var(--gray-700);margin-bottom:10px}.timestamp-input,.datetime-input{width:100%;padding:14px 16px;border:2px solid var(--gray-200);border-radius:16px;font-size:0.9rem;font-family:monospace;transition:all 0.2s}.timestamp-input:focus,.datetime-input:focus{outline:none;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,0.1)}.input-hint{display:flex;justify-content:space-between;align-items:center;margin-top:10px;flex-wrap:wrap;gap:12px}.hint-btn{background:transparent;border:none;color:#10b981;font-size:0.75rem;cursor:pointer;display:flex;align-items:center;gap:4px}.hint-text{font-size:0.7rem;color:var(--gray-400)}.result-group{display:flex;flex-direction:column;gap:16px}.result-item{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--gray-50);border-radius:14px;transition:all 0.2s}.result-item:hover{background:var(--gray-100)}.result-icon{width:36px;height:36px;background:white;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#10b981}.result-info{flex:1}.result-label{display:block;font-size:0.65rem;color:var(--gray-500);margin-bottom:2px}.result-value{display:block;font-size:0.8rem;font-family:monospace;color:var(--gray-800);word-break:break-all}.copy-result{background:transparent;border:none;padding:6px;border-radius:8px;cursor:pointer;color:var(--gray-400)}.copy-result:hover{background:var(--gray-200);color:#10b981}.quick-timestamps{background:var(--gray-50);border-radius:20px;padding:16px 20px;margin-bottom:24px}.quick-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.quick-buttons{display:flex;flex-wrap:wrap;gap:10px}.quick-btn{background:white;border:1px solid var(--gray-200);padding:8px 18px;border-radius:40px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.quick-btn:hover{background:#10b981;border-color:#10b981;color:white}.date-diff,.timestamp-convert{background:white;border-radius:20px;border:1px solid var(--gray-200);margin-bottom:24px;overflow:hidden}.diff-header,.convert-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)}.diff-content,.convert-content{padding:20px;border-top:1px solid var(--gray-200)}.diff-inputs{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:20px}.diff-item{flex:1}.diff-item label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:6px}.diff-datetime{width:100%;padding:10px;border:1px solid var(--gray-200);border-radius:12px}.diff-btn,.convert-btn{background:#10b981;border:none;padding:10px 24px;border-radius:40px;color:white;cursor:pointer;font-size:0.8rem}.diff-result{background:var(--gray-50);border-radius:14px;padding:16px;font-size:0.85rem;color:var(--gray-700);line-height:1.6}.convert-inputs{display:flex;gap:12px;margin-bottom:20px}.convert-input{flex:1;padding:10px 16px;border:1px solid var(--gray-200);border-radius:40px;font-family:monospace}.convert-results{display:flex;flex-direction:column;gap:12px}.convert-item{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--gray-50);border-radius:12px}.convert-item span{width:70px;font-size:0.75rem;color:var(--gray-500)}.convert-item strong{flex:1;font-family:monospace;color:#10b981}.copy-small{background:transparent;border:none;cursor:pointer;padding:4px 8px;border-radius:20px;color:var(--gray-400)}.copy-small:hover{background:var(--gray-200);color:#10b981}.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){.converter-container{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.timestamp-display{flex-direction:column;align-items:center;gap:16px}}@media (max-width:480px){.info-grid{grid-template-columns:1fr}.time-value{font-size:1.3rem}.quick-btn{font-size:0.7rem;padding:6px 12px}}