/* ─────────────────────────────────────────────────────────────
   PTT Management Console  –  app.css
   Dark industrial theme  /  IBM Plex fonts
   ───────────────────────────────────────────────────────────── */

:root {
  --sidebar-w:     240px;
  --topbar-h:      56px;

  --bg-base:       #0d1117;
  --bg-card:       #161b22;
  --bg-card-hover: #1c2230;
  --bg-sidebar:    #090d13;
  --bg-input:      #1a2030;

  --border:        #21293a;
  --border-light:  #2d3748;

  --text-primary:  #e2e8f0;
  --text-secondary:#8b9bb4;
  --text-muted:    #4a5568;

  --accent:        #00d4aa;       /* teal – PTT "live" colour */
  --accent-dim:    #00a88520;
  --accent-hover:  #00ffcc;

  --danger:        #f56565;
  --warning:       #ed8936;
  --success:       #48bb78;
  --info:          #4299e1;

  --font-sans:     'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Courier New', monospace;
  --radius:        6px;
  --shadow:        0 2px 8px rgba(0,0,0,.5);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width .2s ease, transform .2s ease;
  overflow: hidden;
}

.sidebar.collapsed { width: 56px; }
.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info,
.sidebar.collapsed .sidebar-version { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px 0; }

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--accent);
  white-space: nowrap;
}
.sidebar-logo i { font-size: 20px; }

.sidebar-version {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.nav-section-label {
  padding: 8px 8px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 400;
  white-space: nowrap;
  transition: background .12s, color .12s;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
  border-left: 2px solid var(--accent);
}
.nav-item i { font-size: 16px; min-width: 18px; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--bg-card);
}

.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-info { flex: 1; overflow: hidden; }
.user-name { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: 11px; color: var(--text-muted); text-transform: capitalize; }

.logout-btn { color: var(--text-muted); font-size: 16px; transition: color .12s; }
.logout-btn:hover { color: var(--danger); }

/* ── Topbar ───────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 0 12px;
  z-index: 100;
  transition: left .2s;
}
.topbar.expanded { left: 56px; }

.sidebar-toggle {
  background: none; border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: color .12s, background .12s;
}
.sidebar-toggle:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.topbar-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.topbar-actions { display: flex; align-items: center; gap: 16px; }

.dispatcher-status {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.dispatcher-status.online  { color: var(--success); }
.dispatcher-status.offline { color: var(--danger); }
.dispatcher-status i { font-size: 8px; }

/* ── Main content ─────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 24px;
  min-height: calc(100vh - var(--topbar-h));
  transition: margin-left .2s;
}
.main-content.expanded { margin-left: 56px; }

/* ── Cards ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 14px;
  gap: 12px;
}
.card-header h5 { margin: 0; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 18px; }

/* ── Stat cards ───────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-card .stat-icon { font-size: 22px; color: var(--accent); }
.stat-card .stat-value { font-family: var(--font-mono); font-size: 28px; font-weight: 600; line-height: 1; }
.stat-card .stat-label { font-size: 12px; color: var(--text-secondary); }
.stat-card.danger  .stat-value { color: var(--danger); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.success .stat-value { color: var(--success); }

/* ── Tables ───────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }
table.ptt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.ptt-table th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ptt-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.ptt-table tbody tr:hover { background: var(--bg-card-hover); }
.ptt-table tbody tr:last-child td { border-bottom: none; }

/* ── Badges ───────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.badge-green  { background: #48bb7820; color: #48bb78; }
.badge-blue   { background: #4299e120; color: #4299e1; }
.badge-cyan   { background: #0bc5ea20; color: #0bc5ea; }
.badge-orange { background: #ed893620; color: #ed8936; }
.badge-purple { background: #9f7aea20; color: #9f7aea; }
.badge-gray   { background: #71809020; color: #718090; }
.badge-red    { background: #f5656520; color: #f56565; }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.blink { animation: blink 1.5s infinite; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-ptt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all .12s;
}
.btn-ptt-primary { background: var(--accent); color: #000; }
.btn-ptt-primary:hover { background: var(--accent-hover); color: #000; }
.btn-ptt-secondary { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--border-light); }
.btn-ptt-secondary:hover { background: var(--border); }
.btn-ptt-danger { background: #f5656520; color: var(--danger); border-color: var(--danger); }
.btn-ptt-danger:hover { background: var(--danger); color: #fff; }
.btn-ptt-sm { padding: 4px 10px; font-size: 12px; }

/* ── Forms ────────────────────────────────────────────────────── */
.form-control, .form-select {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-light) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius) !important;
  font-size: 13.5px;
  padding: 8px 12px;
  transition: border-color .12s, box-shadow .12s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent-dim) !important;
  outline: none;
}
.form-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.form-text  { font-size: 11px; color: var(--text-muted); }

/* ── Alerts ───────────────────────────────────────────────────── */
.alert { border-radius: var(--radius); font-size: 13.5px; border: none; }
.alert-success { background: #48bb7818; color: #48bb78; }
.alert-error,
.alert-danger  { background: #f5656518; color: #f56565; }
.alert-warning { background: #ed893618; color: #ed8936; }
.alert-info    { background: #4299e118; color: #4299e1; }

/* ── Modals ───────────────────────────────────────────────────── */
.modal-content { background: var(--bg-card); border: 1px solid var(--border-light); }
.modal-header  { border-bottom: 1px solid var(--border); }
.modal-footer  { border-top: 1px solid var(--border); }

/* ── Pagination ───────────────────────────────────────────────── */
.pagination-nav ul.pagination {
  display: flex; list-style: none; gap: 4px; padding: 0; margin: 16px 0 0;
}
.pagination li a, .pagination li span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  text-decoration: none; font-size: 13px;
  transition: all .12s;
}
.pagination li.active a { background: var(--accent); color: #000; border-color: var(--accent); }
.pagination li a:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.pagination li.disabled span { opacity: .4; cursor: default; }

/* ── Search bar ───────────────────────────────────────────────── */
.search-bar { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.search-bar .form-control { max-width: 280px; }

/* ── Group membership mini list ──────────────────────────────── */
.group-pill {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-dim); color: var(--accent);
  padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-family: var(--font-mono); font-weight: 600;
  margin: 2px;
}

/* ── PTT Live status bar ─────────────────────────────────────── */
.live-bar {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  font-family: var(--font-mono);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.live-indicator { display: flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: blink 1s infinite; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .topbar { left: 0; }
}