/* VMIS Admin Portal - Custom Styles */

:root {
  --sidebar-width: 220px;
  --sidebar-bg: #1a1d23;
  --sidebar-active: #0d6efd;
  --header-height: 56px;
}

body {
  font-size: 0.875rem;
  background: #f5f6fa;
}

/* ── Sidebar ── */
#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--sidebar-bg);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

#sidebar .brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-decoration: none;
}

#sidebar .nav-link {
  color: rgba(255,255,255,0.65);
  padding: 0.6rem 1.2rem;
  border-radius: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  transition: background 0.15s, color 0.15s;
}

#sidebar .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

#sidebar .nav-link.active {
  color: #fff;
  background: var(--sidebar-active);
}

#sidebar .nav-section {
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1rem 1.2rem 0.3rem;
}

/* ── Main Content ── */
#main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#topbar {
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 99;
}

#content {
  padding: 1.5rem;
  flex: 1;
}

/* ── Status Lights ── */
.light {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  vertical-align: middle;
}
.light-grey  { background: #aaaaaa; }
.light-green { background: #28a745; }
.light-red   { background: #dc3545; }

/* ── DataTable tweaks ── */
.dataTables_wrapper .dataTables_filter input {
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  padding: 0.25rem 0.5rem;
}

.dataTables_wrapper .dataTables_length select {
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  padding: 0.25rem 0.5rem;
}

table.dataTable thead th {
  border-bottom: 2px solid #dee2e6;
  background: #f8f9fa;
  font-weight: 600;
  white-space: nowrap;
}

table.dataTable tbody tr:hover {
  background: #f0f4ff;
}

/* ── Cards ── */
.stat-card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* ── Availability bar ── */
.avail-bar {
  height: 6px;
  border-radius: 3px;
  background: #e9ecef;
  overflow: hidden;
}
.avail-fill {
  height: 100%;
  border-radius: 3px;
  background: #28a745;
  transition: width 0.4s;
}
.avail-fill.warn  { background: #ffc107; }
.avail-fill.danger { background: #dc3545; }

/* ── System status matrix ── */
.status-matrix .env-col {
  min-width: 120px;
  text-align: center;
}

/* ── Modal ── */
.modal-header { background: #f8f9fa; }