/* ============================================================
   HMS Admin — Corporate Blue & White theme
   Deep navy sidebar · white header · soft cards · tier accents
   ============================================================ */
:root {
  --navy-950: #081831;
  --navy-900: #0B1F3A;   /* sidebar */
  --navy-800: #12294B;
  --navy-700: #1A3A5C;   /* brand */
  --blue-600: #2563EB;   /* primary action */
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --blue-50:  #EFF5FF;
  --ink:      #10233F;
  --muted:    #64748B;
  --line:     #E6ECF4;
  --bg:       #F4F7FB;
  --card-shadow: 0 4px 22px rgba(13, 38, 76, .07);
  --radius: 14px;
  --tier-silver:   #9CA3AF;
  --tier-gold:     #F59E0B;
  --tier-platinum: #8B5CF6;
  --sidebar-w: 264px;
}

* { outline-color: var(--blue-500); }
html, body { height: 100%; }
body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: .925rem;
}
h1,h2,h3,h4,h5 { font-weight: 700; letter-spacing: -.015em; color: var(--ink); }

/* ── Layout shell ─────────────────────────────────────── */
.hms-shell { display: flex; min-height: 100vh; }
.hms-main  { flex: 1; min-width: 0; display: flex; flex-direction: column; margin-left: var(--sidebar-w); }
.hms-content { padding: 1.5rem 1.75rem 3rem; flex: 1; }

/* ── Sidebar ──────────────────────────────────────────── */
.hms-sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-950) 100%);
  color: #C8D6EA;
  position: fixed; inset: 0 auto 0 0;
  display: flex; flex-direction: column;
  z-index: 1040;
  transition: transform .25s ease;
}
.hms-brand {
  display: flex; align-items: center; gap: .7rem;
  padding: 1.15rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.08);
}
.hms-brand .mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  display: grid; place-items: center; color: #fff; font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .45);
}
.hms-brand b { color: #fff; font-size: 1.05rem; letter-spacing: .01em; }
.hms-brand small { display: block; color: #7E93B4; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; }

.hms-nav { padding: 1rem .85rem 2rem; overflow-y: auto; flex: 1; }
.hms-nav .nav-label {
  font-size: .66rem; letter-spacing: .18em; text-transform: uppercase;
  color: #5F7698; padding: .9rem .6rem .35rem;
}
.hms-nav a {
  display: flex; align-items: center; gap: .7rem;
  padding: .58rem .75rem; margin-bottom: 2px;
  color: #B9C9E0; border-radius: 10px; text-decoration: none;
  font-weight: 500; font-size: .875rem;
  transition: background .15s, color .15s;
}
.hms-nav a i { width: 1.15rem; text-align: center; font-size: .95rem; opacity: .85; }
.hms-nav a:hover { background: rgba(255,255,255,.07); color: #fff; }
.hms-nav a.active {
  background: linear-gradient(90deg, rgba(59,130,246,.28), rgba(59,130,246,.10));
  color: #fff; box-shadow: inset 3px 0 0 var(--blue-500);
}

/* ── Header ───────────────────────────────────────────── */
.hms-header {
  background: #fff; border-bottom: 1px solid var(--line);
  padding: .8rem 1.75rem;
  display: flex; align-items: center; gap: 1rem;
  position: sticky; top: 0; z-index: 1030;
}
.hms-header .page-title { font-size: 1.05rem; font-weight: 700; margin: 0; }
.hms-user { display: flex; align-items: center; gap: .65rem; cursor: pointer; }
.hms-user .avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue-50); color: var(--navy-700);
  display: grid; place-items: center; font-weight: 700; border: 2px solid var(--blue-100);
}
.hms-user .who small { color: var(--muted); font-size: .72rem; }

/* ── Cards & KPI ──────────────────────────────────────── */
.card { border: 0; border-radius: var(--radius); box-shadow: var(--card-shadow); }
.card-header { background: #fff; border-bottom: 1px solid var(--line); border-radius: var(--radius) var(--radius) 0 0 !important; font-weight: 700; }
.kpi { display: flex; align-items: center; gap: 1rem; padding: 1.15rem 1.25rem; }
.kpi .ic {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.25rem; color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  box-shadow: 0 6px 16px rgba(37,99,235,.28);
}
.kpi.k-green .ic  { background: linear-gradient(135deg, #34D399, #059669); box-shadow: 0 6px 16px rgba(5,150,105,.28); }
.kpi.k-amber .ic  { background: linear-gradient(135deg, #FBBF24, #D97706); box-shadow: 0 6px 16px rgba(217,119,6,.28); }
.kpi.k-violet .ic { background: linear-gradient(135deg, #A78BFA, #7C3AED); box-shadow: 0 6px 16px rgba(124,58,237,.28); }
.kpi.k-rose .ic   { background: linear-gradient(135deg, #FB7185, #E11D48); box-shadow: 0 6px 16px rgba(225,29,72,.28); }
.kpi h3 { font-size: 1.45rem; margin: 0; }
.kpi span { color: var(--muted); font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }

/* ── Buttons, forms, tables ───────────────────────────── */
.btn { border-radius: 10px; font-weight: 600; }
.btn-primary { background: var(--blue-600); border-color: var(--blue-600); }
.btn-primary:hover { background: var(--navy-700); border-color: var(--navy-700); }
.btn-outline-primary { color: var(--blue-600); border-color: var(--blue-600); }
.form-control, .form-select { border-radius: 10px; border-color: var(--line); padding: .55rem .8rem; }
.form-control:focus, .form-select:focus { border-color: var(--blue-500); box-shadow: 0 0 0 .2rem rgba(59,130,246,.15); }
.form-label { font-weight: 600; font-size: .82rem; color: var(--navy-700); }

.table { --bs-table-hover-bg: var(--blue-50); }
.table thead th {
  background: var(--blue-50); color: var(--navy-700);
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  border-bottom: 1px solid var(--line); font-weight: 700;
}
.table td { vertical-align: middle; }

.tier-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .28rem .7rem; border-radius: 999px; font-size: .74rem; font-weight: 700;
  color: var(--tier, var(--navy-700));
  background: color-mix(in srgb, var(--tier, var(--navy-700)) 14%, #fff);
  border: 1px solid color-mix(in srgb, var(--tier, var(--navy-700)) 35%, #fff);
}
.tier-badge::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--tier, var(--navy-700)); }

/* ── Membership card (digital) ────────────────────────── */
.member-card {
  border-radius: 20px; color: #fff; padding: 1.4rem 1.5rem;
  background: linear-gradient(135deg, var(--tier, var(--navy-700)) 0%, var(--navy-900) 90%);
  box-shadow: 0 14px 34px rgba(13,38,76,.35);
  position: relative; overflow: hidden; max-width: 430px;
}
.member-card::after {
  content: ''; position: absolute; right: -60px; top: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.member-card .mc-tier { font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; opacity: .9; }
.member-card .mc-num  { font-family: ui-monospace, 'Courier New', monospace; letter-spacing: .14em; font-size: 1.05rem; }
.member-card .mc-qr   { background: #fff; border-radius: 12px; padding: 8px; }

/* ── Misc ─────────────────────────────────────────────── */
.avatar-sm { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.initials {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue-50); color: var(--navy-700);
  display: inline-grid; place-items: center; font-weight: 700; font-size: .8rem;
}
.notif-dot { position: absolute; top: 4px; right: 2px; width: 9px; height: 9px; border-radius: 50%; background: #E11D48; border: 2px solid #fff; }
.dataTables_wrapper .dataTables_filter input { border: 1px solid var(--line); border-radius: 10px; padding: .4rem .7rem; margin-left: .4rem; }
.dataTables_wrapper .dataTables_length select { border: 1px solid var(--line); border-radius: 8px; padding: .25rem .4rem; }
.page-item.active .page-link { background: var(--blue-600); border-color: var(--blue-600); }
.page-link { color: var(--blue-600); }

/* Login page */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(59,130,246,.25), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(26,58,92,.35), transparent 60%),
    linear-gradient(160deg, var(--navy-900), var(--navy-950));
}
.login-card { width: min(430px, 92vw); border-radius: 20px; }

/* Responsive */
@media (max-width: 991.98px) {
  .hms-sidebar { transform: translateX(-100%); }
  .hms-sidebar.open { transform: translateX(0); box-shadow: 0 0 60px rgba(0,0,0,.4); }
  .hms-main { margin-left: 0; }
}
@media print {
  .hms-sidebar, .hms-header, .no-print { display: none !important; }
  .hms-main { margin-left: 0; }
  body { background: #fff; }
  .card { box-shadow: none; border: 1px solid #ddd; }
}