:root{--bg-color:#f0f4f8;--card-bg:#fff;--text-primary:#2d3748;--text-secondary:#718096;--clinical-blue:#2c5282;--status-normal:#38a169;--status-abnormal:#e53e3e;--border-color:#e2e8f0;--ecg-line-color:#2c52820d;--ecg-major-line-color:#2c52821a;color:var(--text-primary);background-color:var(--bg-color);box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}body{background-color:var(--bg-color);min-height:100vh;margin:0;padding:2rem}*{box-sizing:border-box}.dashboard-container{flex-direction:column;gap:1.5rem;max-width:1400px;margin:0 auto;display:flex}.demographics-bar{background-color:var(--card-bg);border-left:5px solid var(--clinical-blue);border-radius:8px;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex;box-shadow:0 1px 3px #0000001a}.demo-group{gap:2rem;display:flex}.demo-item{flex-direction:column;display:flex}.demo-label{text-transform:uppercase;color:var(--text-secondary);font-size:.75rem;font-weight:600}.demo-value{color:var(--text-primary);font-size:1.1rem;font-weight:700}.connection-bar{background-color:#ebf8ff;border:1px solid #90cdf4;border-radius:8px;flex-direction:column;gap:.5rem;padding:1rem 1.5rem;display:flex;box-shadow:0 1px 2px #0000000d}.conn-input-group{align-items:center;gap:1rem;display:flex}.conn-label{color:var(--clinical-blue);font-size:.9rem;font-weight:600}.conn-input{border:1px solid #cbd5e0;border-radius:4px;flex-grow:1;padding:.5rem;font-family:inherit;font-size:.95rem}.conn-input:focus{border-color:var(--clinical-blue);outline:none;box-shadow:0 0 0 2px #2c528233}.btn-connect{background-color:var(--status-normal);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:.5rem 1.25rem;font-weight:600;transition:background-color .2s}.btn-connect:hover{background-color:#2f855a}.btn-reset{background-color:var(--text-secondary);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:.5rem 1rem;font-weight:500}.conn-status{color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.8rem;display:flex}.spinner{border:2px solid #2c528233;border-left-color:var(--clinical-blue);border-radius:50%;width:16px;height:16px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.status-badge{color:#fff;border-radius:12px;padding:.15rem .5rem;font-size:.75rem;font-weight:600}.status-badge.connecting{background-color:#d69e2e}.status-badge.connected{background-color:#38a169}.status-badge.error{background-color:#e53e3e}.status-badge.idle{background-color:#a0aec0}.header{justify-content:space-between;align-items:center;display:flex}.title{color:var(--clinical-blue);margin:0;font-size:2rem;font-weight:600}.actions{gap:1rem;display:flex}.btn-export{background-color:var(--clinical-blue);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:.5rem 1rem;font-weight:600;transition:background-color .2s}.btn-export:hover{background-color:#2a4365}.dashboard-grid{grid-template-columns:1fr;gap:1.5rem;display:grid}@media (width>=1024px){.dashboard-grid{grid-template-columns:2.5fr 1fr}}.card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;padding:1.5rem;display:flex;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.card-title{color:var(--text-primary);border-bottom:2px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:0;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.25rem;font-weight:600;display:flex}.chart-container{background-color:#fff;background-image:linear-gradient(var(--ecg-line-color) 1px, transparent 1px), linear-gradient(90deg, var(--ecg-line-color) 1px, transparent 1px), linear-gradient(var(--ecg-major-line-color) 1px, transparent 1px), linear-gradient(90deg, var(--ecg-major-line-color) 1px, transparent 1px);border:1px solid var(--ecg-major-line-color);background-position:-1px -1px,-1px -1px,-1px -1px,-1px -1px;background-size:10px 10px,10px 10px,50px 50px,50px 50px;border-radius:4px;width:100%;height:400px;padding:10px;position:relative}.stats-container{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem;display:grid}.stat-box{border:1px solid var(--border-color);text-align:center;background-color:#f7fafc;border-radius:8px;padding:1rem}.stat-label{color:var(--text-secondary);text-transform:uppercase;margin-bottom:.5rem;font-size:.8rem;font-weight:600}.stat-number{color:var(--clinical-blue);font-size:1.8rem;font-weight:700}.stat-number.danger{color:var(--status-abnormal)}.status-indicator{border-radius:8px;flex-direction:column;justify-content:center;align-items:center;margin-bottom:1.5rem;padding:1.5rem;transition:all .3s;display:flex}.status-indicator.normal{border:2px solid var(--status-normal);background-color:#f0fff4}.status-indicator.normal h2{color:var(--status-normal)}.status-indicator.abnormal{border:2px solid var(--status-abnormal);background-color:#fff5f5;animation:2s infinite pulse}.status-indicator.abnormal h2{color:var(--status-abnormal)}.status-text{text-transform:uppercase;margin:0 0 .5rem;font-size:2rem;font-weight:700}.reason-text{color:var(--text-secondary);text-align:center;margin:0;font-size:1rem}.log-list{flex-grow:1;max-height:600px;margin:0;padding:0;list-style:none;overflow-y:auto}.log-item{border-bottom:1px solid var(--border-color);flex-direction:column;gap:.25rem;padding:1rem;display:flex}.log-item:last-child{border-bottom:none}.log-time{color:var(--text-secondary);font-size:.85rem;font-weight:500}.log-content{font-size:1rem}@keyframes pulse{0%{box-shadow:0 0 #e53e3e66}70%{box-shadow:0 0 0 15px #e53e3e00}to{box-shadow:0 0 #e53e3e00}}