/* ============================================================================
   Connira UI — shared design system
   Brand: navy #0A1F44 · blue #1E90FF · cyan #00C2CB
   Layered on top of Bootstrap 5.3 (existing markup keeps working).
   ============================================================================ */

:root {
  --navy:        #0A1F44;
  --navy-700:    #102a5c;
  --blue:        #1E90FF;
  --blue-600:    #1577e0;
  --cyan:        #00C2CB;

  --bg:          #eef2f8;
  --surface:     #ffffff;
  --surface-2:   #f7f9fc;
  --text:        #0f1f3a;
  --muted:       #64748b;
  --border:      #e3e9f2;

  --success:     #16a34a;
  --success-bg:  #ecfdf3;
  --danger:      #dc2626;
  --danger-bg:   #fef2f2;
  --warning:     #d97706;
  --warning-bg:  #fffbeb;

  --radius:      14px;
  --radius-sm:   10px;
  --shadow-sm:   0 1px 2px rgba(15,31,58,.06), 0 1px 3px rgba(15,31,58,.05);
  --shadow:      0 4px 16px rgba(15,31,58,.08);
  --shadow-lg:   0 12px 32px rgba(15,31,58,.14);
  --sidebar-w:   256px;
  --topbar-h:    64px;
}

* { scrollbar-color: #c4cfde transparent; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 { font-weight: 700; color: var(--navy); letter-spacing: -0.01em; }

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-600); }

/* ── App shell ─────────────────────────────────────────────────────────── */
.cn-shell { display: flex; min-height: 100vh; }

.cn-sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--navy);
  background: linear-gradient(180deg, #0a1f44 0%, #0b2552 100%);
  color: #cdd9ee;
  position: fixed; inset: 0 auto 0 0;
  display: flex; flex-direction: column;
  z-index: 1040;
}
.cn-sidebar__brand {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px;
  color: #fff; font-weight: 800; font-size: 1.15rem; letter-spacing: .01em;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.cn-sidebar__brand img { height: 28px; width: auto; border-radius: 6px; }
.cn-sidebar__nav { padding: 16px 12px; overflow-y: auto; flex: 1; }
.cn-sidebar__label {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .12em;
  color: #6f86ad; font-weight: 700; padding: 14px 12px 6px;
}
.cn-nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; margin: 2px 0;
  border-radius: var(--radius-sm);
  color: #c4d2e8; font-weight: 500; font-size: .92rem;
  transition: background .18s ease, color .18s ease;
  cursor: pointer;
}
.cn-nav-link:hover { background: rgba(255,255,255,.07); color: #fff; }
.cn-nav-link.active {
  background: linear-gradient(90deg, rgba(30,144,255,.22), rgba(0,194,203,.12));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--cyan);
}
.cn-nav-link svg { width: 19px; height: 19px; flex: 0 0 19px; stroke-width: 2; }
.cn-nav-link--danger { color: #ffb4b4; }
.cn-nav-link--danger:hover { background: rgba(220,38,38,.18); color: #fff; }

/* ── Main column ───────────────────────────────────────────────────────── */
.cn-main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; }
.cn-topbar {
  height: var(--topbar-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px; position: sticky; top: 0; z-index: 1030;
}
.cn-topbar__title { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin: 0; }
.cn-topbar__spacer { flex: 1; }
.cn-user { display: flex; align-items: center; gap: 10px; }
.cn-user__avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff; font-weight: 700; display: grid; place-items: center; font-size: .85rem;
}
.cn-user__email { font-size: .85rem; color: var(--muted); }
.cn-content { padding: 28px; max-width: 1280px; width: 100%; }

.cn-burger {
  display: none; background: none; border: 0; color: var(--navy);
  cursor: pointer; padding: 6px;
}

/* ── Page header ───────────────────────────────────────────────────────── */
.cn-page-head { margin-bottom: 22px; }
.cn-page-head h1 { font-size: 1.6rem; margin: 0 0 4px; }
.cn-page-head p { color: var(--muted); margin: 0; }

/* ── Cards ─────────────────────────────────────────────────────────────── */
.card, .cn-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card { color: var(--text); }
.card-header {
  background: transparent; border-bottom: 1px solid var(--border);
  font-weight: 700; color: var(--navy); padding: 16px 20px;
}
.card-body { padding: 20px; }

.cn-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 6px;
}
.cn-stat__label { font-size: .8rem; color: var(--muted); font-weight: 600; }
.cn-stat__value { font-size: 1.9rem; font-weight: 800; color: var(--navy); line-height: 1; }
.cn-stat__icon {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(30,144,255,.1); color: var(--blue); margin-bottom: 4px;
}
.cn-stat__icon svg { width: 21px; height: 21px; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn { font-weight: 600; border-radius: var(--radius-sm); padding: .5rem 1.05rem; transition: all .18s ease; }
.btn:focus-visible { outline: 3px solid rgba(30,144,255,.4); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-600));
  border: none; box-shadow: 0 2px 8px rgba(30,144,255,.3);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--blue-600), #0f63c4); transform: translateY(-1px); }
.btn-outline-primary { border-color: var(--blue); color: var(--blue); }
.btn-outline-primary:hover { background: var(--blue); border-color: var(--blue); }
.btn-success { background: var(--success); border: none; }
.btn-danger  { background: var(--danger);  border: none; }

/* ── Tables ────────────────────────────────────────────────────────────── */
.table { color: var(--text); margin: 0; }
.table > thead th {
  background: var(--surface-2); color: var(--muted);
  text-transform: uppercase; font-size: .72rem; letter-spacing: .06em;
  font-weight: 700; border-bottom: 1px solid var(--border); padding: 12px 16px;
}
.table > tbody td { padding: 13px 16px; vertical-align: middle; border-color: var(--border); }
.table-hover > tbody > tr:hover > * { background: rgba(30,144,255,.04); }

/* ── Badges & pills ────────────────────────────────────────────────────── */
.badge { font-weight: 600; padding: .4em .7em; border-radius: 999px; }
.badge-ip, .cn-mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .85em; }
.cn-pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.cn-pill--ok   { background: var(--success-bg); color: var(--success); }
.cn-pill--off  { background: var(--danger-bg);  color: var(--danger); }
.cn-pill--warn { background: var(--warning-bg); color: var(--warning); }
.cn-pill__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ── Forms ─────────────────────────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  padding: .58rem .85rem; font-size: .92rem; background: var(--surface);
}
.form-control:focus, .form-select:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30,144,255,.15);
}
.form-label { font-weight: 600; color: var(--navy); font-size: .85rem; margin-bottom: 5px; }

/* ── Alerts ────────────────────────────────────────────────────────────── */
.alert { border: 1px solid transparent; border-radius: var(--radius-sm); font-size: .92rem; }
.alert-success { background: var(--success-bg); border-color: #bbf7d0; color: #166534; }
.alert-danger  { background: var(--danger-bg);  border-color: #fecaca; color: #991b1b; }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .cn-sidebar { transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--shadow-lg); }
  .cn-sidebar.is-open { transform: translateX(0); }
  .cn-main { margin-left: 0; }
  .cn-burger { display: inline-flex; }
  .cn-backdrop { position: fixed; inset: 0; background: rgba(8,18,40,.5); z-index: 1035; display: none; }
  .cn-backdrop.is-open { display: block; }
  .cn-content { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}