:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #4ade80;
  --err: #f87171;
  --pk: #fbbf24;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: var(--accent); white-space: nowrap; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  transition: all .15s;
}
.nav-links a:hover { color: var(--text); background: var(--border); }
.nav-links a.active { color: var(--accent); background: rgba(56,189,248,.12); font-weight: 600; }
.nav-user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); white-space: nowrap; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
h1 { font-size: 24px; margin-bottom: 4px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
h3 { font-size: 15px; margin-bottom: 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code {
  background: rgba(148,163,184,.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: "SF Mono", Consolas, monospace;
}
code.small { font-size: 11px; }

/* Flash */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.flash-success { background: rgba(74,222,128,.12); border: 1px solid var(--ok); color: var(--ok); }
.flash-danger { background: rgba(248,113,113,.12); border: 1px solid var(--err); color: var(--err); }
.flash-info { background: rgba(56,189,248,.12); border: 1px solid var(--accent); color: var(--accent); }

/* Badges */
.badge { font-size: 12px; padding: 3px 10px; border-radius: 20px; font-weight: 600; }
.badge-ok { background: rgba(74,222,128,.15); color: var(--ok); }
.badge-err { background: rgba(248,113,113,.15); color: var(--err); }
.txt-ok { color: var(--ok); font-weight: 700; }
.txt-err { color: var(--err); font-weight: 700; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 20px 0; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.card-num { font-size: 34px; font-weight: 800; color: var(--accent); }
.card-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card-highlight .card-num { color: var(--pk); }

/* Panels */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.panel-highlight { border-color: rgba(251,191,36,.4); }

/* Tables */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; margin-top: 10px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--card); }
.tbl th {
  text-align: left;
  padding: 10px 12px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .4px;
  position: sticky;
  top: 0;
}
.tbl td { padding: 8px 12px; border-top: 1px solid var(--border); }
.tbl tr:hover td { background: rgba(56,189,248,.05); }
.pk { color: var(--pk); font-weight: 700; }
.arrow { color: var(--accent); text-align: center; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: filter .15s;
}
.btn:hover { filter: brightness(1.1); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #0f172a; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }

/* Forms */
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input[type="text"], input[type="password"], input[type="search"], select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}
input:focus { outline: none; border-color: var(--accent); }
.search { max-width: 400px; margin: 12px 0; }

/* Login */
.login-wrap { display: flex; justify-content: center; align-items: center; min-height: 90vh; }
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 360px;
  text-align: center;
}
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-card h1 { font-size: 22px; }
.login-card .muted { margin-bottom: 16px; }

/* Patient page */
.search-form { display: flex; gap: 10px; align-items: center; margin: 16px 0; }
.patient-header {
  display: flex; gap: 16px; align-items: center;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; margin: 16px 0;
}
.patient-avatar {
  font-size: 44px; background: var(--bg-soft);
  border-radius: 50%; width: 76px; height: 76px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.patient-header h2 { margin: 0 0 4px; }
.tag {
  display: inline-block; background: rgba(56,189,248,.12); color: var(--accent);
  border: 1px solid rgba(56,189,248,.35); padding: 3px 10px; border-radius: 20px;
  font-size: 12px; margin: 2px 4px 2px 0;
}
.tag-red { background: rgba(248,113,113,.12); color: var(--err); border-color: rgba(248,113,113,.4); }
.tag-ind { background: rgba(251,191,36,.12); color: var(--pk); border-color: rgba(251,191,36,.4); font-weight: 700; }