:root{
  --bg:#0b0f14;
  --panel:#0f1620;
  --panel2:#0c121a;
  --text:#d7e2f0;
  --muted:#7f93ad;
  --accent:#19ff6a;
  --warn:#ffd54a;
  --danger:#ff5a6a;
  --border:#213244;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --radius:14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: linear-gradient(180deg, #070a0f 0%, var(--bg) 100%);
  color:var(--text);
  font-family:var(--sans);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 18px;
  border-bottom:1px solid var(--border);
  background:rgba(9,12,18,.92);
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(10px);
}

.brand .title{
  font-size:18px;
  letter-spacing:.3px;
  font-weight:700;
}
.brand .subtitle{
  margin-top:4px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}

.top-actions{
  display:flex;
  gap:10px;
  align-items:center;
}

.input{
  height:36px;
  min-width:260px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(15,22,32,.75);
  color:var(--text);
  outline:none;
}
.input:focus{ border-color:#2a4561; box-shadow:0 0 0 3px rgba(25,255,106,.08); }

.btn{
  height:36px;
  padding:0 12px;
  border-radius:10px;
  border:1px solid #2a3b4f;
  background:#101a24;
  color:var(--text);
  cursor:pointer;
  box-shadow:none;
}
.btn:hover{ border-color:#3b5673; }
.btn:active{ transform:translateY(1px); }
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--muted);
}

.layout{
  display:grid;
  grid-template-columns: 320px 1fr 360px;
  gap:14px;
  padding:14px;
}

.panel{
  background: linear-gradient(180deg, rgba(16,24,34,.9), rgba(10,16,24,.9));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
  min-height: calc(100vh - 112px);
}

.panel-header{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  padding:12px 14px;
  border-bottom:1px solid rgba(33,50,68,.75);
  background: rgba(10,16,24,.65);
}
.panel-title{
  font-weight:700;
  letter-spacing:.2px;
}
.panel-meta{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}

.patient-list{
  padding:10px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.patient{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid rgba(33,50,68,.55);
  background: rgba(9,14,22,.6);
  cursor:pointer;
}
.patient:hover{ border-color:#395c7d; }
.patient.active{
  border-color: rgba(25,255,106,.5);
  box-shadow: 0 0 0 3px rgba(25,255,106,.08);
}
.badge{
  width:12px;
  height:12px;
  border-radius:50%;
  flex:0 0 12px;
}
.badge.ok{ background: #33e28a; }
.badge.warn{ background: var(--warn); }
.badge.danger{ background: var(--danger); }

.patient-main{ flex:1; min-width:0; }
.patient-name{
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.patient-sub{
  margin-top:2px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}

.chart-wrap{
  position:relative;
  padding:12px 12px 4px 12px;
}
#hrCanvas{
  width:100%;
  height:320px;
  display:block;
  background: rgba(7,11,18,.55);
  border:1px solid rgba(33,50,68,.6);
  border-radius:14px;
}
.chart-overlay{
  position:absolute;
  inset:12px 12px 4px 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  color:var(--muted);
  background: rgba(0,0,0,.35);
  border-radius:14px;
  border:1px solid rgba(33,50,68,.6);
}

.stats-row{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:10px;
  padding:10px 12px 14px 12px;
}
.stat{
  background: rgba(10,16,24,.65);
  border:1px solid rgba(33,50,68,.55);
  border-radius:14px;
  padding:10px;
}
.stat-label{
  font-size:12px;
  color:var(--muted);
  font-family:var(--mono);
}
.stat-value{
  margin-top:6px;
  font-size:18px;
  font-weight:800;
}

.details{
  display:flex;
  flex-direction:column;
}
.episode-card{
  padding:12px;
  border-bottom:1px solid rgba(33,50,68,.75);
}
.kv{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:8px 10px;
  font-family:var(--mono);
  font-size:12px;
}
.kv div:nth-child(odd){ color:var(--muted); }

.episode-list{
  padding:10px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow:auto;
  max-height: 520px;
}
.episode{
  padding:10px;
  border-radius:12px;
  border:1px solid rgba(33,50,68,.55);
  background: rgba(9,14,22,.6);
  cursor:pointer;
}
.episode:hover{ border-color:#395c7d; }
.episode.active{
  border-color: rgba(25,255,106,.45);
  box-shadow: 0 0 0 3px rgba(25,255,106,.08);
}
.episode-title{
  font-weight:800;
}
.episode-sub{
  margin-top:4px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}

.empty{
  padding:14px;
  color:var(--muted);
  font-family:var(--mono);
  font-size:12px;
}
.hidden{ display:none !important; }
.mt16{ margin-top:16px; }

.footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 14px 16px 14px;
  color:var(--muted);
  font-family:var(--mono);
  font-size:12px;
}