/* ============================================================
   Hotel Network Manager — Global Styles
   ============================================================ */

:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #e8f0fe;
  --secondary: #0d47a1;
  --accent: #00bcd4;
  --success: #00c853;
  --success-light: #e8f5e9;
  --warning: #ff9800;
  --warning-light: #fff3e0;
  --danger: #f44336;
  --danger-light: #ffebee;
  --info: #2196f3;
  --info-light: #e3f2fd;
  --dark: #1a1f36;
  --dark2: #252b48;
  --sidebar-bg: #0f1729;
  --sidebar-text: #a0aec0;
  --sidebar-hover: #1a2340;
  --sidebar-active: #1a73e8;
  --card-bg: #ffffff;
  --body-bg: #f0f4f8;
  --text-primary: #1a1f36;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --border-dark: #d1d5db;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.16);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.2s ease;
  --sidebar-width: 260px;
  --header-height: 64px;
  --font: 'Inter', sans-serif;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--body-bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

/* ── SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ══════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════ */
#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 1000;
  transition: var(--transition);
  overflow: hidden;
}

#sidebar.collapsed { width: 68px; }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  min-height: var(--header-height);
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text { 
  overflow: hidden; 
  transition: var(--transition);
}
.sidebar-logo .logo-text h2 {
  font-size: 14px; font-weight: 700;
  color: #fff; white-space: nowrap;
  letter-spacing: 0.3px;
}
.sidebar-logo .logo-text p {
  font-size: 10px; color: var(--sidebar-text);
  white-space: nowrap; margin-top: 1px;
}
#sidebar.collapsed .logo-text { opacity: 0; width: 0; }

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(160,174,192,0.5);
  padding: 14px 10px 6px;
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition);
}
#sidebar.collapsed .nav-section-label { opacity: 0; height: 0; padding: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  margin-bottom: 2px;
  position: relative;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: rgba(26,115,232,0.18); color: var(--primary); }
.nav-item.active .nav-icon { color: var(--primary); }

.nav-icon {
  font-size: 17px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  color: var(--sidebar-text);
  transition: var(--transition);
}
.nav-item:hover .nav-icon { color: #fff; }

.nav-label { transition: var(--transition); overflow: hidden; }
#sidebar.collapsed .nav-label { opacity: 0; width: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 20px;
  flex-shrink: 0;
  transition: var(--transition);
}
#sidebar.collapsed .nav-badge { opacity: 0; width: 0; padding: 0; }

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ══════════════════════════════════════════════════
   MAIN CONTENT
══════════════════════════════════════════════════ */
#main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 0.2s ease;
}
#main-content.expanded { margin-left: 68px; }

/* ── TOPBAR ─────────────────────────────────────── */
#topbar {
  height: var(--header-height);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

.topbar-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 18px;
  transition: var(--transition);
  flex-shrink: 0;
}
.topbar-toggle:hover { background: var(--body-bg); color: var(--text-primary); }

.topbar-breadcrumb { 
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-secondary);
  flex: 1;
}
.topbar-breadcrumb span { color: var(--text-primary); font-weight: 600; }

.topbar-actions {
  display: flex; align-items: center; gap: 10px;
}

.topbar-status {
  display: flex; align-items: center; gap: 6px;
  background: var(--success-light);
  color: var(--success);
  font-size: 12px; font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.topbar-time {
  font-size: 12px; color: var(--text-secondary);
  font-weight: 500;
  padding: 5px 10px;
  background: var(--body-bg);
  border-radius: 8px;
}

.topbar-btn {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  transition: var(--transition);
  background: var(--body-bg);
  position: relative;
}
.topbar-btn:hover { background: var(--primary-light); color: var(--primary); }

.notif-count {
  position: absolute; top: 4px; right: 4px;
  width: 16px; height: 16px;
  background: var(--danger);
  color: #fff;
  font-size: 9px; font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.topbar-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 700;
  cursor: pointer;
}

/* ── PAGE CONTAINER ─────────────────────────────── */
.page-content {
  flex: 1;
  padding: 24px;
  display: none;
}
.page-content.active { display: block; }

/* ── PAGE HEADER ────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header-left h1 {
  font-size: 22px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.page-header-left p {
  font-size: 13px; color: var(--text-secondary);
}
.page-header-actions {
  display: flex; gap: 10px; flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════
   CARDS
══════════════════════════════════════════════════ */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title {
  font-size: 14px; font-weight: 700;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.card-title i { color: var(--primary); font-size: 15px; }
.card-body { padding: 20px; }

/* ── STAT CARDS ─────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--primary);
}
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.accent::before { background: var(--accent); }
.stat-card.purple::before { background: #9c27b0; }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-card .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.success .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.warning .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.danger .stat-icon { background: var(--danger-light); color: var(--danger); }
.stat-card.accent .stat-icon { background: #e0f7fa; color: var(--accent); }
.stat-card.purple .stat-icon { background: #f3e5f5; color: #9c27b0; }

.stat-info { flex: 1; }
.stat-value {
  font-size: 26px; font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 12px; color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 5px;
}
.stat-trend {
  font-size: 11px; font-weight: 600;
  display: flex; align-items: center; gap: 3px;
}
.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }
.stat-trend.neutral { color: var(--text-muted); }

/* ══════════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
  line-height: 1;
}
.btn i { font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 12px rgba(26,115,232,0.35); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #00a846; box-shadow: 0 4px 12px rgba(0,200,83,0.35); }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #f57c00; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d32f2f; }
.btn-outline { background: transparent; border-color: var(--border-dark); color: var(--text-secondary); }
.btn-outline:hover { background: var(--body-bg); color: var(--text-primary); }
.btn-outline-primary { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary-light); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 14px; }
.btn-icon { padding: 8px; width: 34px; height: 34px; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ══════════════════════════════════════════════════
   BADGES / TAGS
══════════════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-muted { background: #f1f5f9; color: var(--text-secondary); }
.badge-purple { background: #f3e5f5; color: #9c27b0; }
.badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* ══════════════════════════════════════════════════
   TABLES
══════════════════════════════════════════════════ */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: var(--body-bg);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }

/* ── SIGNAL BARS ─────────────────────────────────── */
.signal-bars {
  display: flex; align-items: flex-end; gap: 2px;
  height: 18px;
}
.signal-bar {
  width: 5px; border-radius: 2px;
  background: var(--border);
}
.signal-bar:nth-child(1) { height: 5px; }
.signal-bar:nth-child(2) { height: 9px; }
.signal-bar:nth-child(3) { height: 13px; }
.signal-bar:nth-child(4) { height: 18px; }
.signal-bars.excellent .signal-bar { background: var(--success); }
.signal-bars.good .signal-bar:nth-child(-n+3) { background: var(--success); }
.signal-bars.fair .signal-bar:nth-child(-n+2) { background: var(--warning); }
.signal-bars.poor .signal-bar:nth-child(1) { background: var(--danger); }
.signal-bars.offline .signal-bar { background: #e5e7eb; }

/* ── PROGRESS BAR ───────────────────────────────── */
.progress { 
  width: 100%; height: 6px;
  background: var(--border);
  border-radius: 10px; overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 10px;
  background: var(--primary);
  transition: width 0.6s ease;
}
.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* ══════════════════════════════════════════════════
   FORMS
══════════════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-primary);
  background: var(--card-bg);
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.12); }
select.form-control { cursor: pointer; }

/* ══════════════════════════════════════════════════
   GRID LAYOUTS
══════════════════════════════════════════════════ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

/* ══════════════════════════════════════════════════
   SPEEDTEST GAUGE
══════════════════════════════════════════════════ */
.speed-gauge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 10px;
}
.speed-arc-label {
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  margin-top: 8px;
}
.speed-value {
  font-size: 42px; font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}
.speed-unit { font-size: 14px; color: var(--text-secondary); font-weight: 500; margin-top: 2px; }

/* ── SPEEDTEST RING ANIMATION ─────────────────── */
.speed-ring svg { transform: rotate(-90deg); }
.speed-ring circle.track { fill: none; stroke: #e5e7eb; stroke-width: 14; }
.speed-ring circle.fill {
  fill: none;
  stroke: url(#speedGradient);
  stroke-width: 14;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}

/* ══════════════════════════════════════════════════
   AP GRID (room map)
══════════════════════════════════════════════════ */
.ap-floor-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 8px;
}

.ap-room-card {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  font-size: 10px;
  font-weight: 600;
  gap: 3px;
}
.ap-room-card:hover { transform: scale(1.06); box-shadow: var(--shadow-md); z-index: 2; }

.ap-room-card.online { background: var(--success-light); border-color: var(--success); color: var(--success); }
.ap-room-card.warning { background: var(--warning-light); border-color: var(--warning); color: var(--warning); }
.ap-room-card.offline { background: #f1f5f9; border-color: #d1d5db; color: #9ca3af; }
.ap-room-card.busy { background: #e8f0fe; border-color: var(--primary); color: var(--primary); }
.ap-room-card i { font-size: 18px; }
.ap-room-card .ap-clients {
  position: absolute;
  top: 3px; right: 5px;
  font-size: 9px; font-weight: 800;
}

/* ══════════════════════════════════════════════════
   NETWORK TOPOLOGY
══════════════════════════════════════════════════ */
.topology-wrap {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.topo-level {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  position: relative;
}
.topo-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: default;
}
.topo-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.topo-icon:hover { transform: scale(1.08); }
.topo-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); text-align: center; }
.topo-status { font-size: 10px; font-weight: 700; }

.topo-line {
  width: 2px; height: 30px;
  background: linear-gradient(to bottom, var(--border), var(--primary));
  margin: 0 auto;
}
.topo-line-h {
  height: 2px; flex: 1; max-width: 60px;
  background: linear-gradient(to right, var(--primary), var(--border));
}

/* ══════════════════════════════════════════════════
   MODAL
══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 520px;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.2s ease;
}
.modal-overlay.open .modal { transform: none; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 15px; font-weight: 700; }
.modal-close {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 18px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--body-bg); color: var(--text-primary); }
.modal-body { padding: 22px; }
.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ══════════════════════════════════════════════════
   ALERTS / TOAST
══════════════════════════════════════════════════ */
.alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  border-left: 4px solid transparent;
}
.alert-success { background: var(--success-light); border-color: var(--success); color: #1b5e20; }
.alert-warning { background: var(--warning-light); border-color: var(--warning); color: #e65100; }
.alert-danger { background: var(--danger-light); border-color: var(--danger); color: #b71c1c; }
.alert-info { background: var(--info-light); border-color: var(--info); color: #0d47a1; }

#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 13px; font-weight: 500;
  min-width: 250px; max-width: 360px;
  animation: slideInRight 0.3s ease;
  background: var(--dark);
  color: #fff;
}
.toast.success { background: var(--success); }
.toast.warning { background: var(--warning); }
.toast.danger { background: var(--danger); }
.toast.info { background: var(--info); }
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ══════════════════════════════════════════════════
   CHARTS CONTAINER
══════════════════════════════════════════════════ */
.chart-container { position: relative; }

/* ══════════════════════════════════════════════════
   SEARCH BAR
══════════════════════════════════════════════════ */
.search-bar {
  position: relative;
  display: flex; align-items: center;
}
.search-bar i {
  position: absolute; left: 10px;
  color: var(--text-muted); font-size: 14px;
}
.search-bar input {
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 220px;
  color: var(--text-primary);
  background: var(--card-bg);
  outline: none;
  transition: var(--transition);
}
.search-bar input:focus { border-color: var(--primary); width: 260px; }

/* ══════════════════════════════════════════════════
   TABS
══════════════════════════════════════════════════ */
.tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}
.tab-btn {
  padding: 8px 18px;
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ══════════════════════════════════════════════════
   MISC UTILITIES
══════════════════════════════════════════════════ */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary-color { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.text-center { text-align: center; }
.w-100 { width: 100%; }
.d-none { display: none !important; }

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* Loading spinner */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-sm { width: 20px; height: 20px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* IP / MAC chip */
.chip {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11.5px;
  font-family: 'Courier New', monospace;
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════════════
   SECURITY & COMPLIANCE PAGE
══════════════════════════════════════════════════ */

/* Compliance score pills in banner */
.sec-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 99px;
}
.sec-pill::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.sec-pill.pass  { background: rgba(0,200,83,0.2);  color: #00c853; }
.sec-pill.pass::before  { background: #00c853; }
.sec-pill.warn  { background: rgba(255,152,0,0.2); color: #ff9800; }
.sec-pill.warn::before  { background: #ff9800; }
.sec-pill.fail  { background: rgba(244,67,54,0.2); color: #f44336; }
.sec-pill.fail::before  { background: #f44336; }

/* Dark score banner */
#sec-score-banner {
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

/* Scan progress bar pulse */
#sec-scan-bar {
  position: relative;
  overflow: hidden;
}
#sec-scan-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 50%;
  height: 100%;
  background: rgba(255,255,255,0.3);
  animation: shimmer 1.2s infinite linear;
}
@keyframes shimmer {
  0%   { left: -60%; }
  100% { left: 120%; }
}

/* Hoverable threat / PCI rows */
#pci-checklist > div,
#threat-log > div,
#fw-audit-list > div,
#blocked-clients-list > div,
#scan-history-list > div,
#port-scan-list > div,
#anomaly-list > div,
#vuln-tab-all > div,
#vuln-tab-critical > div,
#vuln-tab-info > div {
  transition: background 0.13s;
}
#pci-checklist > div:hover,
#threat-log > div:hover,
#fw-audit-list > div:hover,
#blocked-clients-list > div:hover,
#scan-history-list > div:hover,
#port-scan-list > div:hover,
#anomaly-list > div:hover,
#vuln-tab-all > div:hover,
#vuln-tab-critical > div:hover,
#vuln-tab-info > div:hover {
  background: var(--body-bg);
}

/* Remove last border-bottom in scrollable lists */
#pci-checklist > div:last-child,
#threat-log > div:last-child,
#fw-audit-list > div:last-child,
#blocked-clients-list > div:last-child,
#scan-history-list > div:last-child,
#port-scan-list > div:last-child,
#anomaly-list > div:last-child,
#vuln-tab-all > div:last-child,
#vuln-tab-critical > div:last-child,
#vuln-tab-info > div:last-child {
  border-bottom: none;
}

/* Scrollbar for security lists */
#pci-checklist,
#threat-log,
#fw-audit-list,
#blocked-clients-list,
#scan-history-list,
#port-scan-list,
#anomaly-list,
#vuln-tab-all,
#vuln-tab-critical,
#vuln-tab-info {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
#pci-checklist::-webkit-scrollbar,
#threat-log::-webkit-scrollbar,
#fw-audit-list::-webkit-scrollbar { width: 4px; }
#pci-checklist::-webkit-scrollbar-track,
#threat-log::-webkit-scrollbar-track,
#fw-audit-list::-webkit-scrollbar-track { background: transparent; }
#pci-checklist::-webkit-scrollbar-thumb,
#threat-log::-webkit-scrollbar-thumb,
#fw-audit-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* Rogue AP scan entry hover */
#rogue-scan-body .rogue-entry:hover { opacity: 0.9; }

/* Security tab panel fade */
.sec-tab-panel { animation: fadeIn 0.18s ease; }

/* ══════════════════════════════════════════════════
   DEVICE INVENTORY PAGE
══════════════════════════════════════════════════ */

/* ── Stat cards row ── */
#page-device-inventory .stat-grid {
  grid-template-columns: repeat(6, 1fr);
}
@media (max-width: 1300px) {
  #page-device-inventory .stat-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  #page-device-inventory .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Alert banner ── */
#dev-alert-banner {
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
#dev-alert-banner.has-issues {
  background: var(--danger-light);
  border: 1px solid rgba(239,68,68,.25);
  color: var(--danger);
}
#dev-alert-banner.all-ok {
  background: var(--success-light);
  border: 1px solid rgba(34,197,94,.25);
  color: var(--success);
}

/* ── Tab navigation ── */
.dev-tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.dev-tab-nav .tab-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dev-tab-nav .tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.dev-tab-nav .tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: transparent;
}

/* ── Tab panel visibility ── */
.dev-tab-panel { display: none; }
.dev-tab-panel.active { display: block; animation: fadeIn 0.18s ease; }

/* ── Cards grid ── */
.dev-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

/* ── Device card ── */
.dev-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 14px;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dev-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Card header row ── */
.dev-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Offline card pulse ── */
@keyframes blink {
  from { opacity: 1; }
  to   { opacity: 0.2; }
}

/* ── AP manager / POE manager table wrappers ── */
#devtab-ap  .card-table-wrap,
#devtab-poe .card-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}

/* ── Alert rules panel ── */
#alert-rules-list {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card-bg);
}
#alert-history-list {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card-bg);
}
#alert-rules-list > div:last-child,
#alert-history-list > div:last-child {
  border-bottom: none !important;
}

/* ── Table count badge inside tab ── */
.tab-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 99px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 10px;
  font-weight: 700;
}

/* ── Device type icon chip ── */
.dev-type-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
}

/* ── AP Edit modal SSID checkboxes layout ── */
.ssid-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.ssid-checkbox-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: background 0.15s, border-color 0.15s;
}
.ssid-checkbox-group label:has(input:checked) {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Device table action buttons ── */
#devtab-table table td .btn + .btn { margin-left: 0; }

/* ── Device modal form grid ── */
.dm-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 640px) {
  .dm-form-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════
   SSID MANAGER — ENHANCED CARDS
══════════════════════════════════════════════════ */
.ssid-card {
  transition: box-shadow 0.2s, transform 0.15s;
}
.ssid-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ══════════════════════════════════════════════════
   VLAN MANAGER PAGE
══════════════════════════════════════════════════ */

/* ── VLAN cards grid ── */
.vlan-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

/* ── VLAN card ── */
.vlan-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.vlan-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── VLAN card header row ── */
.vlan-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

/* ── VLAN ID badge ── */
.vlan-id-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

/* ── VLAN card name ── */
.vlan-card-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Policy flag chips on cards ── */
.vlan-flag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
}
.vlan-flag-success { background: var(--success-light); color: var(--success); }
.vlan-flag-warning { background: var(--warning-light); color: var(--warning); }
.vlan-flag-info    { background: var(--info-light);    color: var(--info); }
.vlan-flag-danger  { background: var(--danger-light);  color: var(--danger); }
.vlan-flag-muted   { background: var(--body-bg);       color: var(--text-muted); border: 1px solid var(--border); }

/* ── VLAN routing table ── */
#vlan-table-body tr:hover { background: var(--bg-hover); }

/* ── Inter-VLAN matrix ── */
.vlan-matrix-table {
  width: 100%;
  table-layout: fixed;
}
.vlan-matrix-table th,
.vlan-matrix-table td {
  text-align: center;
  padding: 10px 8px;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.vlan-matrix-table thead th:first-child,
.vlan-matrix-table tbody td:first-child {
  text-align: left;
  font-weight: 700;
  padding-left: 16px;
  background: var(--body-bg);
  width: 140px;
}
.vlan-matrix-table tbody td:not(:first-child) {
  cursor: pointer;
  transition: background 0.15s;
}
.vlan-matrix-table tbody td:not(:first-child):hover {
  background: var(--bg-hover);
  border-radius: 4px;
}

/* ── Stat grid for VLAN page ── */
#vlan-stat-grid {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) {
  #vlan-stat-grid       { grid-template-columns: repeat(2, 1fr); }
  .vlan-cards-grid      { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}
@media (max-width: 600px) {
  #vlan-stat-grid       { grid-template-columns: repeat(2, 1fr); }
  .vlan-cards-grid      { grid-template-columns: 1fr 1fr; }
}

/* ══════════════════════════════════════════════════
   LOGIN SCREEN
══════════════════════════════════════════════════ */
#login-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f1729 0%, #1a2340 40%, #0d1b2e 100%);
  overflow: hidden;
}

/* Animated grid background */
.login-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,115,232,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,115,232,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: gridDrift 20s linear infinite;
  pointer-events: none;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to   { background-position: 48px 48px; }
}

/* Glowing orbs behind card */
#login-screen::before,
#login-screen::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  pointer-events: none;
}
#login-screen::before {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -120px; left: -100px;
}
#login-screen::after {
  width: 400px; height: 400px;
  background: #00bcd4;
  bottom: -80px; right: -80px;
}

/* Login card */
.login-card {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.97);
  border-radius: 20px;
  padding: 40px 40px 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.08);
  animation: cardAppear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes cardAppear {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
@keyframes loginShake {
  0%,100% { transform: translateX(0); }
  15%     { transform: translateX(-8px); }
  30%     { transform: translateX(8px); }
  45%     { transform: translateX(-6px); }
  60%     { transform: translateX(6px); }
  75%     { transform: translateX(-3px); }
  90%     { transform: translateX(3px); }
}
.login-shake { animation: loginShake 0.5s ease both !important; }

/* Logo row */
.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.login-logo-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #00bcd4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 6px 20px rgba(26,115,232,0.40);
}
.login-brand {
  font-size: 24px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.7px;
  line-height: 1.1;
  background: linear-gradient(135deg, #1a1f36 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-brand-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 3px;
  -webkit-text-fill-color: var(--text-muted);
}

/* Hotel badge */
.login-hotel-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid rgba(26,115,232,0.2);
  margin-bottom: 20px;
}
.login-hotel-badge::before {
  content: '🏨';
  font-size: 13px;
}

/* Login form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-form .form-group {
  margin-bottom: 0;
}
.login-form .form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.login-form .form-label i {
  color: var(--primary);
  font-size: 11px;
}
.login-form .form-control {
  height: 42px;
  font-size: 14px;
  border: 1.5px solid var(--border);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.login-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.12);
}

/* Eye toggle button */
.login-eye-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 6px;
  font-size: 14px;
  transition: color 0.15s;
}
.login-eye-btn:hover { color: var(--primary); }

/* Error message */
.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(244,67,54,0.25);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 500;
}
.login-error i { flex-shrink: 0; }

/* Footer */
.login-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.login-footer-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.login-footer-icon {
  font-size: 13px;
  color: var(--primary);
  opacity: 0.8;
  flex-shrink: 0;
}
.login-footer-logo {
  width: 16px;
  height: 16px;
  object-fit: contain;
  mix-blend-mode: screen;
  display: block;
}
.login-footer-links {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}
.login-footer-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.15s;
}
.login-footer-links a:hover { opacity: 0.75; text-decoration: underline; }
.login-footer-sep {
  color: var(--border-dark);
  font-size: 10px;
}

@media (max-width: 480px) {
  .login-card { padding: 28px 20px 24px; max-width: 100%; margin: 16px; border-radius: 16px; }
}

/* ══════════════════════════════════════════════════
   TOPBAR — HOTEL SWITCHER
══════════════════════════════════════════════════ */
.hotel-switcher {
  position: relative;
}
.hotel-switcher-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: var(--primary-light);
  border: 1.5px solid rgba(26,115,232,0.18);
  border-radius: 99px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
  white-space: nowrap;
}
.hotel-switcher-btn:hover {
  background: rgba(26,115,232,0.12);
  border-color: rgba(26,115,232,0.32);
}
.hotel-switcher-btn i:last-child {
  transition: transform 0.2s ease;
}
.hotel-switcher.open .hotel-switcher-btn i:last-child {
  transform: rotate(180deg);
}

/* Hotel dropdown panel */
.hotel-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 1100;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.hotel-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}
.hotel-dropdown-header {
  padding: 10px 14px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.hotel-option {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.12s;
}
.hotel-option:hover { background: var(--body-bg); }
.hotel-option.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.hotel-option i { width: 16px; text-align: center; font-size: 12px; }

/* ══════════════════════════════════════════════════
   TOPBAR — USER MENU DROPDOWN
══════════════════════════════════════════════════ */
.user-menu {
  position: relative;
}
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 1100;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.user-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}
.user-dropdown-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px 12px;
  background: linear-gradient(135deg, var(--primary-light), #f0f9ff);
}
.user-dropdown-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #00bcd4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(26,115,232,0.3);
}
.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.12s;
}
.user-dropdown-item:hover { background: var(--body-bg); }
.user-dropdown-item i { width: 16px; text-align: center; color: var(--text-muted); font-size: 12px; }
.logout-item { color: var(--danger) !important; }
.logout-item:hover { background: var(--danger-light) !important; }
.logout-item i { color: var(--danger) !important; }

/* ══════════════════════════════════════════════════
   TOPOLOGY FLOW DIAGRAM  (.tfd-*)
══════════════════════════════════════════════════ */

/* ── Outer wrapper — vertical column, centred ── */
.tfd-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 12px 0 8px;
  overflow-x: auto;
  min-width: 0;
}

/* ── Tier rows ── */
.tfd-tier {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  width: 100%;
}
/* Multi-node rows (switches / APs) wrap on small screens */
.tfd-tier-multi {
  flex-wrap: wrap;
  gap: 10px;
}

/* ══════════════════════════════
   NODE CARD
══════════════════════════════ */
.tfd-node {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07), 0 0 0 1px rgba(0,0,0,0.05);
  padding: 12px 16px;
  min-width: 140px;
  max-width: 180px;
  cursor: default;
  transition: transform 0.18s, box-shadow 0.18s;
}
.tfd-node:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.13), 0 0 0 1px rgba(0,0,0,0.07);
}

/* Wide variant for single-column tiers (Internet / ISP / Router / Patch) */
.tfd-node-wide {
  min-width: 260px;
  max-width: 360px;
}

/* ── Icon box (matches login-logo-icon-box pattern) ── */
.tfd-node-iconbox {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 3px 10px rgba(0,0,0,0.18);
}

/* ── Text block ── */
.tfd-node-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.tfd-node-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tfd-node-sub {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}
.tfd-node-ip {
  font-size: 10px;
  font-family: 'Courier New', monospace;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 4px;
  padding: 1px 6px;
  display: inline-block;
  margin-top: 1px;
}
.tfd-node-status {
  margin-top: 3px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 99px;
  border: 1px solid;
  padding: 2px 7px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-transform: capitalize;
  width: fit-content;
}
.tfd-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ══════════════════════════════
   VERTICAL CONNECTOR
══════════════════════════════ */
.tfd-vconn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: 2px 0;
  height: 60px;
}
.tfd-vconn-line {
  width: 3px;
  flex: 1;
  border-radius: 2px;
  min-height: 12px;
}
.tfd-vconn-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 99px;
  border: 1px solid;
  white-space: nowrap;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

/* ══════════════════════════════
   FAN-OUT BAR (Patch → Switches, Switches → APs)
══════════════════════════════ */
.tfd-fanout {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1080px;
  margin: 0;
}
/* Short vertical stem from parent node down to horizontal bar */
.tfd-fanout-stem {
  width: 3px;
  height: 18px;
  background: #90a4ae;
  border-radius: 2px 2px 0 0;
  flex-shrink: 0;
}
/* The horizontal bar itself */
.tfd-fanout-bar {
  width: 72%;
  height: 3px;
  background: linear-gradient(90deg, transparent 2%, #90a4ae 10%, #90a4ae 90%, transparent 98%);
  border-radius: 2px;
  flex-shrink: 0;
}
.tfd-fanout-bar-wide {
  width: 82%;
}

/* ══════════════════════════════
   VLAN LEGEND STRIP
══════════════════════════════ */
.tfd-legend {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 16px;
  background: var(--body-bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.tfd-legend-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tfd-legend-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tfd-legend-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1.5px solid;
  white-space: nowrap;
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {
  .tfd-node-wide { min-width: 200px; max-width: 280px; }
  .tfd-fanout-bar { width: 84%; }
  .tfd-fanout-bar-wide { width: 90%; }
}
@media (max-width: 600px) {
  .tfd-node { min-width: 110px; max-width: 140px; padding: 9px 10px; gap: 8px; }
  .tfd-node-wide { min-width: 160px; max-width: 100%; }
  .tfd-node-iconbox { width: 34px; height: 34px; font-size: 15px; border-radius: 9px; }
  .tfd-node-label { font-size: 11px; }
  .tfd-node-sub, .tfd-node-ip { display: none; }
  .tfd-vconn-badge { font-size: 9px; padding: 1px 6px; }
  .tfd-fanout-bar { width: 90%; }
  .tfd-fanout-bar-wide { width: 95%; }
}

/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ap-floor-grid { grid-template-columns: repeat(8, 1fr); }
}
@media (max-width: 900px) {
  :root { --sidebar-width: 68px; }
  .logo-text, .nav-label, .nav-badge, .nav-section-label { opacity: 0; width: 0; height: 0; overflow: hidden; padding: 0; }
  #sidebar { width: 68px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ap-floor-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 600px) {
  .page-content { padding: 14px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .ap-floor-grid { grid-template-columns: repeat(4, 1fr); }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}