/* ==========================================================================
   Hospital Management System — theme
   Calm clinical palette: deep teal + slate, generous whitespace.
   ========================================================================== */
:root{
  --teal-900:#0b3d3a; --teal-700:#0f766e; --teal-600:#12857b; --teal-50:#e7f4f2;
  --slate-900:#0f172a; --slate-700:#334155; --slate-500:#64748b; --slate-300:#cbd5e1;
  --slate-100:#f1f5f9; --slate-50:#f8fafc;
  --amber:#b45309; --amber-bg:#fef3c7; --red:#b91c1c; --red-bg:#fee2e2;
  --green:#15803d; --green-bg:#dcfce7; --blue:#1d4ed8; --blue-bg:#dbeafe;
  --line:#e2e8f0; --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px -12px rgba(15,23,42,.12);
  --radius:12px;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--slate-50); color:var(--slate-900);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px; line-height:1.5;
}
a{color:var(--teal-700);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:248px;flex:0 0 248px;background:var(--teal-900);color:#cdeae6;
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:1040;
  transition:transform .2s ease;
}
.sidebar .brand{padding:20px 20px 14px;display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:1.05rem}
.sidebar .brand .logo{width:34px;height:34px;border-radius:9px;background:var(--teal-600);display:grid;place-items:center;color:#fff;font-weight:800}
.sidebar .nav-label{font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:#78b3ab;padding:16px 20px 6px}
.sidebar nav{overflow-y:auto;flex:1;padding-bottom:16px}
.sidebar a.item{
  display:flex;align-items:center;gap:11px;padding:10px 20px;color:#bfe0db;
  border-left:3px solid transparent;font-size:.92rem;
}
.sidebar a.item:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.sidebar a.item.active{background:rgba(255,255,255,.10);color:#fff;border-left-color:var(--teal-600)}
.sidebar a.item svg{width:18px;height:18px;flex:0 0 18px;stroke-width:1.9}

.main{flex:1;margin-left:248px;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:60px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:1030;
}
.topbar .page-title{font-weight:650;font-size:1.06rem;margin:0}
.topbar .spacer{flex:1}
.topbar .user{display:flex;align-items:center;gap:10px;font-size:.9rem}
.topbar .user .avatar{width:34px;height:34px;border-radius:50%;background:var(--teal-50);color:var(--teal-700);display:grid;place-items:center;font-weight:700}
.burger{display:none;background:none;border:0;padding:6px;cursor:pointer}
.content{padding:22px;max-width:1200px;width:100%}

/* ---------- Cards / tables ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.card-head h2{font-size:1rem;margin:0;font-weight:650}
.card-body{padding:18px}
.table{width:100%;border-collapse:collapse}
.table th{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--slate-500);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.table td{padding:11px 12px;border-bottom:1px solid var(--slate-100);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:var(--slate-50)}

/* ---------- Stat tiles ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .k{font-size:.78rem;color:var(--slate-500);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:1.7rem;font-weight:750;margin-top:4px;color:var(--slate-900)}
.stat.accent{background:linear-gradient(135deg,var(--teal-700),var(--teal-900));color:#fff;border:0}
.stat.accent .k{color:#bfe0db}
.stat.accent .v{color:#fff}

/* ---------- Buttons / badges / forms ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;border-radius:9px;
  padding:9px 15px;font-size:.9rem;font-weight:600;cursor:pointer;line-height:1;transition:.12s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--teal-700);color:#fff}
.btn-primary:hover{background:var(--teal-600);color:#fff}
.btn-light{background:#fff;border-color:var(--slate-300);color:var(--slate-700)}
.btn-light:hover{background:var(--slate-50)}
.btn-danger{background:var(--red);color:#fff}
.btn-sm{padding:6px 11px;font-size:.82rem}
.btn-block{width:100%;justify-content:center}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.02em}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-amber{background:var(--amber-bg);color:var(--amber)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}
.badge-slate{background:var(--slate-100);color:var(--slate-700)}

.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
label.f{display:block;font-size:.82rem;font-weight:600;color:var(--slate-700);margin-bottom:5px}
.input,select.input,textarea.input{
  width:100%;padding:9px 11px;border:1px solid var(--slate-300);border-radius:9px;font-size:.92rem;
  background:#fff;color:var(--slate-900);font-family:inherit;
}
.input:focus,select.input:focus,textarea.input:focus{outline:2px solid var(--teal-50);border-color:var(--teal-600)}
.field{margin-bottom:14px}
.help{font-size:.78rem;color:var(--slate-500);margin-top:4px}

/* ---------- Alerts ---------- */
.alert{padding:12px 15px;border-radius:10px;margin-bottom:16px;font-size:.9rem;border:1px solid transparent}
.alert-success{background:var(--green-bg);color:var(--green);border-color:#bbf7d0}
.alert-error{background:var(--red-bg);color:var(--red);border-color:#fecaca}

/* ---------- Misc ---------- */
.page-actions{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.page-actions .spacer{flex:1}
.muted{color:var(--slate-500)}
.empty{text-align:center;padding:40px 20px;color:var(--slate-500)}
.empty svg{width:40px;height:40px;stroke:var(--slate-300);margin-bottom:8px}
.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.chip{display:inline-flex;gap:6px;align-items:center;background:var(--slate-100);border-radius:8px;padding:5px 10px;font-size:.82rem}
.allergy{background:var(--red-bg);color:var(--red);font-weight:600}
.token-big{font-size:2.4rem;font-weight:800;color:var(--teal-700);line-height:1}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .burger{display:inline-flex}
  .content{padding:16px}
  .backdrop{position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:1035}
}
@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin-left:0}
  body{background:#fff}
  .content{padding:0}
}