/* HYPERSYS Nexus Health — distinctive clinical design system */
:root{
  --navy:#0A2540; --cyan:#00C2FF; --teal:#0EA5A4; --teal-d:#0B7C7B; --teal-dd:#075E5D;
  --ink:#0f2033; --muted:#5b6b80; --line:#e3ebf2; --bg:#f4f8fb; --card:#ffffff;
  --green:#16a34a; --amber:#e0a63d; --red:#e0533d; --purple:#8257e6; --blue:#2f6bff;
  --shadow:0 1px 3px rgba(11,60,80,.06),0 8px 30px rgba(11,60,80,.06);
  --rail:#083b45;
}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.5}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.01em}
a{color:var(--teal-d);text-decoration:none}
.hidden{display:none!important}
button{font-family:inherit}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.login .art{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--teal-dd),var(--rail) 60%,var(--navy));color:#fff;display:flex;flex-direction:column;justify-content:center;padding:7vh 6vw}
.login .art::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 80% 10%,rgba(0,194,255,.18),transparent 60%),radial-gradient(520px 520px at 5% 110%,rgba(14,165,164,.25),transparent 60%)}
.login .art .z{position:relative;z-index:2;max-width:560px}
.login .art .brand{display:flex;align-items:center;gap:12px;margin-bottom:40px}
.login .art .brand img{height:34px}
.login .art h1{font-size:clamp(30px,4vw,50px);line-height:1.05;font-weight:800}
.login .art h1 span{color:var(--cyan)}
.login .art p{color:#d5eef2;font-size:17px;margin-top:16px;max-width:460px}
.login .art .pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.login .art .pills span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:7px 13px;border-radius:999px;font-size:12.5px;font-weight:500}
.login .art .ecg{position:absolute;left:0;right:0;bottom:8%;height:60px;opacity:.5;z-index:1}
.login .form{display:flex;flex-direction:column;justify-content:center;padding:8vh clamp(28px,6vw,110px);background:#fff}
.login .form h2{font-size:24px;margin-bottom:5px}
.login .form .sub{color:var(--muted);margin-bottom:26px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:14.5px;font-family:inherit;background:#fbfdff;color:var(--ink);outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,165,164,.14);background:#fff}
.btn{background:var(--teal);color:#fff;border:0;border-radius:11px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{background:var(--teal-d)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:#eef6f6;color:var(--teal-dd)}
.btn.ghost:hover{background:#e0f0f0}
.btn.sm{padding:6px 11px;font-size:12.5px;border-radius:9px}
.btn.nav{background:var(--navy)}.btn.nav:hover{background:#0d2f52}
.btn.danger{background:#fdecea;color:var(--red)}
.demo-creds{margin-top:22px;background:#f0f9f9;border:1px dashed #b8dede;border-radius:12px;padding:13px 15px;font-size:12.5px;color:var(--teal-dd)}
.demo-creds b{color:var(--ink)}
.err{color:var(--red);font-size:13px;margin-top:8px;min-height:18px}

/* ---------- app shell ---------- */
.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.rail{background:linear-gradient(180deg,var(--rail),var(--navy));color:#cfe6ea;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;overflow:hidden}
.rail .logo{display:flex;align-items:center;gap:10px;padding:18px 18px 14px}
.rail .logo img{height:30px}
.rail .logo .w{font:700 15px/1 'Space Grotesk',sans-serif;color:#fff}
.rail .logo .w b{color:var(--cyan)}
.rail nav{flex:1;overflow-y:auto;padding:6px 10px 20px}
.rail .sec{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#6f97a0;margin:16px 12px 6px}
.rail a.item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;color:#bcd8dd;font-size:13.5px;font-weight:500;cursor:pointer;margin-bottom:1px}
.rail a.item:hover{background:rgba(255,255,255,.06);color:#fff}
.rail a.item.active{background:var(--teal);color:#fff;box-shadow:0 4px 14px rgba(14,165,164,.4)}
.rail a.item .ic{width:18px;text-align:center;font-size:15px;flex:none}
.rail .me{padding:12px 16px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.rail .me .av{width:34px;height:34px;border-radius:50%;background:var(--teal);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:13px;flex:none}
.rail .me b{display:block;font-size:12.5px;color:#fff}.rail .me small{color:#8fb3ba;font-size:11px}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:11px 22px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:30}
.topbar .search{flex:1;max-width:520px;position:relative}
.topbar .search input{width:100%;padding:9px 14px 9px 38px;border:1.5px solid var(--line);border-radius:11px;background:var(--bg);font-size:13.5px;outline:none}
.topbar .search input:focus{border-color:var(--teal);background:#fff}
.topbar .search .mag{position:absolute;left:13px;top:9px;opacity:.5}
.topbar .aibtn{background:linear-gradient(120deg,var(--teal),var(--cyan));color:#fff;border:0;border-radius:11px;padding:9px 14px;font-weight:700;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:7px}
.content{padding:22px;flex:1}
.page-h{margin-bottom:18px}
.page-h h1{font-size:22px}.page-h p{color:var(--muted);font-size:13.5px;margin-top:2px}

/* cards / grid */
.grid{display:grid;gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px 18px}
.card h3{font-size:14px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:15px 17px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi .lbl{font-size:11.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.kpi .val{font-size:27px;font-weight:800;margin-top:4px;font-family:'Space Grotesk',sans-serif}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}
.kpi .bar{position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--teal)}

/* pills */
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;background:#eef2f6;color:var(--muted)}
.pill.green{background:#e6f6ec;color:#15803d}.pill.red{background:#fdecea;color:#c0392b}.pill.amber{background:#fdf3e0;color:#b7791f}
.pill.blue{background:#e8f0ff;color:#2f6bff}.pill.teal{background:#e0f5f4;color:var(--teal-dd)}.pill.purple{background:#f0eafd;color:#6d3fd4}
.pill.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}

/* table */
.tw{overflow-x:auto;border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{text-align:left;padding:9px 12px;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:10px 12px;border-bottom:1px solid #eef3f7}
tbody tr:hover{background:#f7fbfc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.empty{padding:26px;text-align:center;color:var(--muted);font-size:13px}

/* patient chart */
.pt-banner{background:linear-gradient(120deg,#fff,#f0f9f9);border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:16px;padding:16px 20px;display:flex;align-items:center;gap:18px;margin-bottom:16px;box-shadow:var(--shadow)}
.pt-banner .pav{width:56px;height:56px;border-radius:16px;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;flex:none}
.pt-banner .pname{font-size:20px;font-weight:800}
.pt-banner .pmeta{color:var(--muted);font-size:13px;margin-top:2px}
.pt-banner .pchips{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.timeline{position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:7px;top:4px;bottom:4px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:6px 0 12px}
.tl-item::before{content:"";position:absolute;left:-19px;top:9px;width:12px;height:12px;border-radius:50%;background:#fff;border:2.5px solid var(--teal)}
.tl-item .tl-t{font-size:11px;color:var(--muted)}
.tl-item .tl-x{font-size:13px}
.ai-box{background:linear-gradient(120deg,#f0fbfb,#eef6ff);border:1px solid #cdeaea;border-radius:14px;padding:14px 16px;font-size:13.5px;line-height:1.6}
.ai-box .ai-h{font-size:11px;font-weight:700;color:var(--teal-dd);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:14px}
.tabs button{background:none;border:0;padding:9px 14px;font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}
.tabs button.active{color:var(--teal-dd);border-bottom-color:var(--teal)}
.alert{background:#fdecea;border:1px solid #f5c6c0;border-radius:10px;padding:9px 12px;font-size:12.5px;color:#c0392b;margin:5px 0;display:flex;gap:8px;align-items:flex-start}
.alert.mod{background:#fdf3e0;border-color:#f0d8a8;color:#8a5a00}

/* drawer / modal */
.overlay{position:fixed;inset:0;background:rgba(10,37,64,.42);display:flex;justify-content:flex-end;z-index:200}
.drawer{background:#fff;width:min(560px,94vw);height:100%;overflow-y:auto;padding:20px 22px;box-shadow:-10px 0 40px rgba(0,0,0,.2)}
.overlay.center{align-items:center;justify-content:center}
.modal{background:#fff;border-radius:16px;width:min(460px,94vw);padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.dh{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.dh h3{font-size:17px}
.x{cursor:pointer;font-size:20px;color:var(--muted);background:none;border:0}
.form{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.form .s12{grid-column:span 12}.form .s6{grid-column:span 6}.form .s4{grid-column:span 4}.form .s3{grid-column:span 3}.form .s8{grid-column:span 8}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:11px 20px;border-radius:12px;font-size:13.5px;z-index:400;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.toast.err{background:var(--red)}.toast.ok{background:var(--teal-d)}
.meter{height:8px;background:#eef3f7;border-radius:6px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--teal);border-radius:6px}
.demo-ribbon{background:repeating-linear-gradient(45deg,var(--teal-dd),var(--teal-dd) 14px,#0a6b6a 14px,#0a6b6a 28px);color:#fff;text-align:center;font:600 11px/26px 'Inter';letter-spacing:.14em;text-transform:uppercase;height:26px}

@media(max-width:900px){.shell{grid-template-columns:1fr}.rail{position:fixed;left:0;top:0;z-index:100;transform:translateX(-100%);transition:.2s;width:250px}.rail.open{transform:none}.login{grid-template-columns:1fr}.login .art{display:none}}