:root{
  --navy:#0E1B36;
  --navy-2:#14294F;
  --blue:#2F6FED;
  --blue-dim: rgba(47,111,237,0.12);
  --teal:#14B8A6;
  --teal-dim: rgba(20,184,166,0.12);
  --amber:#F59E0B;
  --amber-dim: rgba(245,158,11,0.12);
  --red:#EF4444;
  --red-dim: rgba(239,68,68,0.12);
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E4E9F2;
  --ink:#101828;
  --muted:#667085;
  --display:'Manrope', sans-serif;
  --body:'Inter', sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height:1.5;
}
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; }
h1,h2,h3,h4{ font-family: var(--display); letter-spacing:-0.01em; }

::selection{ background: var(--blue); color:#fff; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--blue); outline-offset:2px;
}

/* ===== APP SHELL ===== */
.app{ display:flex; min-height:100vh; }

/* ---- Sidebar ---- */
.sidebar{
  width:250px; flex-shrink:0;
  background: var(--navy);
  color:#C9D2E3;
  display:flex; flex-direction:column;
  position:fixed; top:0; left:0; bottom:0;
  z-index:50;
  transition: transform 0.3s ease;
}
.brand{
  display:flex; align-items:center; gap:10px;
  padding:26px 24px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.brand svg{ width:30px; height:30px; }
.brand span{ font-family:var(--display); font-weight:800; font-size:17px; color:#fff; letter-spacing:0.01em; }
.brand b{ color:var(--teal); }

.side-nav{ padding:18px 14px; flex:1; }
.side-nav a{
  display:flex; align-items:center; gap:12px;
  padding:12px 14px; border-radius:10px;
  font-size:14.5px; font-weight:500; color:#AEB9CF;
  margin-bottom:4px;
  transition: background 0.2s ease, color 0.2s ease;
}
.side-nav a svg{ width:19px; height:19px; flex-shrink:0; opacity:0.85; }
.side-nav a:hover{ background: rgba(255,255,255,0.06); color:#fff; }
.side-nav a.active{ background: var(--blue); color:#fff; }
.side-nav a.active svg{ opacity:1; }
.nav-label{
  font-family:var(--body); font-size:11px; letter-spacing:0.1em; text-transform:uppercase;
  color:#5C6B8A; padding:14px 14px 6px;
}
.side-foot{
  padding:18px; border-top:1px solid rgba(255,255,255,0.08);
}
.side-foot a{
  display:flex; align-items:center; gap:10px; font-size:14px; color:#AEB9CF; padding:8px 6px; border-radius:8px;
}
.side-foot a:hover{ color:#fff; }
.side-foot svg{ width:17px; height:17px; }

/* ---- Main area ---- */
.main{ margin-left:250px; flex:1; min-width:0; display:flex; flex-direction:column; }

.topbar{
  height:72px; background:var(--card); border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 30px; position:sticky; top:0; z-index:40;
}
.topbar h1{ font-size:20px; font-weight:700; }
.topbar .sub{ font-size:13px; color:var(--muted); font-weight:400; font-family:var(--body); margin-top:2px; }
.topbar-right{ display:flex; align-items:center; gap:18px; }
.burger{
  display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:8px;
}
.burger span{ width:20px; height:2px; background:var(--ink); border-radius:2px; }

.user-chip{
  display:flex; align-items:center; gap:10px;
  padding:6px 12px 6px 6px; border:1px solid var(--line); border-radius:30px;
}
.user-chip .avatar{
  width:32px; height:32px; border-radius:50%;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-weight:700; font-size:13px; font-family:var(--display);
}
.user-chip .who{ font-size:13px; }
.user-chip .who b{ display:block; font-size:13.5px; }
.user-chip .who span{ color:var(--muted); font-size:11.5px; }

.content{ padding:30px; flex:1; }

/* ===== CARDS / GENERIC ===== */
.card{
  background:var(--card); border:1px solid var(--line); border-radius:16px; padding:24px;
}
.section-title{ font-size:16px; font-weight:700; margin-bottom:18px; display:flex; align-items:center; justify-content:space-between; }
.section-title span.link{ font-size:13px; color:var(--blue); font-weight:600; }

.reveal{ opacity:0; transform:translateY(16px); transition:opacity 0.5s ease, transform 0.5s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ===== VITAL PARAMETER CARDS ===== */
.vitals-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; margin-bottom:28px; }
.vital-card{
  background:var(--card); border:1px solid var(--line); border-radius:16px; padding:20px;
  position:relative; overflow:hidden; transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.vital-card:hover{ transform:translateY(-4px); box-shadow:0 10px 24px rgba(16,24,40,0.06); }
.vital-card .icowrap{
  width:40px; height:40px; border-radius:11px; display:flex; align-items:center; justify-content:center; margin-bottom:14px;
}
.vital-card .icowrap svg{ width:20px; height:20px; }
.vital-card.heart .icowrap{ background:var(--red-dim); } .vital-card.heart .icowrap svg{ stroke:var(--red); }
.vital-card.bp .icowrap{ background:var(--blue-dim); } .vital-card.bp .icowrap svg{ stroke:var(--blue); }
.vital-card.temp .icowrap{ background:var(--amber-dim); } .vital-card.temp .icowrap svg{ stroke:var(--amber); }
.vital-card.oxy .icowrap{ background:var(--teal-dim); } .vital-card.oxy .icowrap svg{ stroke:var(--teal); }
.vital-card.sugar .icowrap{ background:#F3E8FF; } .vital-card.sugar .icowrap svg{ stroke:#9333EA; }

.vital-card .label{ font-size:12.5px; color:var(--muted); margin-bottom:6px; }
.vital-card .value{ font-family:var(--display); font-size:24px; font-weight:800; }
.vital-card .value small{ font-size:12px; font-weight:600; color:var(--muted); }
.vital-card .trend{ display:flex; align-items:center; gap:5px; margin-top:10px; font-size:12px; font-weight:600; }
.trend.up{ color:var(--red); } .trend.down{ color:var(--teal); } .trend.flat{ color:var(--muted); }

/* ===== TABLES ===== */
.table-wrap{ overflow-x:auto; }
table{ width:100%; border-collapse:collapse; min-width:640px; }
th{
  text-align:left; font-size:12px; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted);
  padding:12px 14px; border-bottom:1px solid var(--line); font-weight:600;
}
td{ padding:15px 14px; border-bottom:1px solid var(--line); font-size:14px; }
tbody tr{ transition: background 0.2s ease; }
tbody tr:hover{ background: #FAFBFF; }
tbody tr:last-child td{ border-bottom:none; }

.patient-cell{ display:flex; align-items:center; gap:10px; }
.patient-cell .mini-avatar{
  width:34px; height:34px; border-radius:50%; background:var(--blue-dim); color:var(--blue);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:12.5px; font-family:var(--display);
  flex-shrink:0;
}
.badge{
  display:inline-flex; align-items:center; gap:5px; padding:4px 11px; border-radius:20px; font-size:12px; font-weight:600;
}
.badge.normal{ background:var(--teal-dim); color:#0D9488; }
.badge.high{ background:var(--red-dim); color:#DC2626; }
.badge.low{ background:var(--amber-dim); color:#B45309; }
.badge .dot{ width:6px; height:6px; border-radius:50%; background:currentColor; }

.filter-row{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom:22px; align-items:center; }
.filter-row select, .filter-row input{
  border:1px solid var(--line); border-radius:9px; padding:10px 14px; font-size:13.5px; background:var(--card); color:var(--ink);
}
.search-box{ position:relative; flex:1; min-width:220px; }
.search-box svg{ position:absolute; left:13px; top:50%; transform:translateY(-50%); width:16px; height:16px; stroke:var(--muted); }
.search-box input{ width:100%; padding-left:38px; }

/* ===== BUTTONS ===== */
.btn{
  font-weight:600; font-size:14px; padding:12px 22px; border-radius:10px; border:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary{ background:var(--blue); color:#fff; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 22px rgba(47,111,237,0.28); }
.btn-outline{ background:#fff; color:var(--ink); border:1px solid var(--line); }
.btn-outline:hover{ border-color:var(--blue); color:var(--blue); }
.btn-block{ width:100%; justify-content:center; }
.btn-sm{ padding:8px 14px; font-size:13px; border-radius:8px; }

/* ===== FORMS ===== */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:7px; margin-bottom:18px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:13px; font-weight:600; color:var(--ink); }
.field .hint{ font-size:12px; color:var(--muted); font-weight:400; }
.field input, .field select, .field textarea{
  border:1px solid var(--line); border-radius:10px; padding:12px 14px; font-size:14px; background:#fbfcfe; color:var(--ink);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--blue); background:#fff; outline:none; }
.field textarea{ resize:vertical; min-height:90px; }
.unit-input{ position:relative; }
.unit-input span{ position:absolute; right:14px; top:50%; transform:translateY(-50%); font-size:12.5px; color:var(--muted); font-weight:600; }
.unit-input input{ padding-right:52px; }
.form-actions{ display:flex; gap:12px; margin-top:6px; }

/* ===== LOGIN PAGE ===== */
.login-shell{
  min-height:100vh; display:grid; grid-template-columns:1fr 1fr;
}
.login-visual{
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, #0B2E4E 100%);
  position:relative; overflow:hidden; display:flex; flex-direction:column; justify-content:center; padding:60px;
}
.login-visual::before{
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(circle at 20% 20%, rgba(47,111,237,0.25), transparent 45%),
                     radial-gradient(circle at 80% 80%, rgba(20,184,166,0.2), transparent 45%);
}
.login-visual .lv-content{ position:relative; z-index:2; max-width:440px; }
.login-visual .brand{ border:none; padding:0; margin-bottom:46px; }
.login-visual h2{ color:#fff; font-size:30px; margin-bottom:16px; line-height:1.2; }
.login-visual p{ color:#AEB9CF; font-size:15px; margin-bottom:34px; }
.pulse-strip svg{ width:100%; height:60px; }
.pulse-strip path{ stroke:var(--teal); stroke-width:2; fill:none; stroke-dasharray:400; stroke-dashoffset:400; animation:pulsedraw 2.6s ease-in-out infinite; }
@keyframes pulsedraw{ 0%{stroke-dashoffset:400;} 50%{stroke-dashoffset:0;} 100%{stroke-dashoffset:-400;} }

.login-panel{ display:flex; align-items:center; justify-content:center; padding:40px; }
.login-box{ width:100%; max-width:380px; }
.login-box h1{ font-size:26px; margin-bottom:8px; }
.login-box p.sub{ color:var(--muted); font-size:14px; margin-bottom:32px; }
.login-box .field{ margin-bottom:20px; }
.remember-row{ display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; font-size:13.5px; }
.remember-row label{ display:flex; align-items:center; gap:8px; color:var(--muted); }
.remember-row a{ color:var(--blue); font-weight:600; }
.login-foot{ text-align:center; margin-top:24px; font-size:13.5px; color:var(--muted); }
.login-foot a{ color:var(--blue); font-weight:600; }
.formnote{ font-size:13px; margin-top:14px; text-align:center; color:var(--muted); }
.formnote.success{ color:var(--teal); font-weight:600; }
.formnote.error{ color:var(--red); font-weight:600; }

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .vitals-grid{ grid-template-columns:repeat(3,1fr); }
  .form-grid{ grid-template-columns:1fr; }
  .login-visual{ display:none; }
  .login-shell{ grid-template-columns:1fr; }
}
@media (max-width:860px){
  .sidebar{ transform:translateX(-100%); }
  .sidebar.open{ transform:translateX(0); box-shadow:0 0 40px rgba(0,0,0,0.3); }
  .main{ margin-left:0; }
  .burger{ display:flex; }
  .vitals-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px){
  .vitals-grid{ grid-template-columns:1fr; }
  .content{ padding:18px; }
  .topbar{ padding:0 18px; }
  .user-chip .who{ display:none; }
}