/* ═══════════════════════════════════════════════════
   LAYOUT — App grid, topbar, sidebar, right panel
   ═══════════════════════════════════════════════════ */

/* ── Login Overlay ── */
.login-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
}
.login-overlay.hidden { display: none; }

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 380px;
  box-shadow: var(--shadow-lg);
}
.login-box h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.login-box .subtitle { color: var(--text-secondary); font-size: 13px; margin-bottom: 28px; }
.login-box .form-group { margin-bottom: 18px; }
.login-box label { display: block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 6px; }
.login-box input {
  width: 100%; padding: 10px 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 14px; font-family: var(--font-body);
  outline: none; transition: border var(--transition-fast);
}
.login-box input:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

.login-btn {
  width: 100%; padding: 12px; border: none; border-radius: var(--radius-sm);
  background: var(--accent-blue); color: white;
  font-size: 14px; font-weight: 600; font-family: var(--font-body);
  cursor: pointer; transition: background var(--transition-fast);
}
.login-btn:hover { background: #2563eb; }
.login-error { color: var(--accent-rose); font-size: 12px; margin-top: 12px; display: none; text-align: center; }

/* ── App Grid ── */
.app {
  display: grid;
  grid-template-rows: 48px 1fr;
  height: 100vh;
}

/* ── Main Content (3-column) ── */
.main {
  display: grid;
  grid-template-columns: 280px 1fr 360px;
  overflow: hidden;
}

/* ── Top Bar ── */
.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
}
.topbar-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px;
}
.topbar-logo .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px rgba(16,185,129,0.5);
}
.topbar-status {
  display: flex; gap: 16px; font-size: 12px; color: var(--text-secondary);
}
.topbar-status .status-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  margin-right: 5px; vertical-align: middle;
}
.topbar-status .status-dot.ok { background: var(--accent-emerald); box-shadow: 0 0 6px rgba(16,185,129,0.4); }
.topbar-status .status-dot.err { background: var(--accent-rose); }

.topbar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 12px; border-radius: 20px;
  border: 1px solid var(--border);
  transition: border var(--transition-fast);
}
.topbar-user:hover { border-color: var(--accent-blue); }

.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gradient-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-section { padding: 14px 14px 8px; }
.sidebar-scroll { overflow-y: auto; flex: 1; }

.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 8px; text-align: center;
  transition: border var(--transition-fast);
}
.stat-card:hover { border-color: var(--accent-blue); }
.stat-value { font-size: 22px; font-weight: 700; font-family: var(--font-mono); color: var(--accent-cyan); }
.stat-label { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-top: 2px; }

/* ── Layer Controls ── */
.layer-list { display: flex; flex-direction: column; gap: 4px; }
.layer-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid transparent;
  font-size: 12px; cursor: pointer;
  transition: all var(--transition-fast);
}
.layer-item:hover { border-color: var(--border); }
.layer-color { width: 12px; height: 12px; border-radius: 3px; }
.layer-toggle {
  margin-left: auto; width: 32px; height: 18px; border-radius: 9px;
  background: var(--border); position: relative; cursor: pointer;
  transition: background var(--transition-fast);
}
.layer-toggle::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-secondary);
  transition: all var(--transition-fast);
}
.layer-toggle.on { background: var(--accent-blue); }
.layer-toggle.on::after { left: 16px; background: white; }

/* ── Legend ── */
.legend-items { display: flex; flex-direction: column; gap: 5px; }
.legend-row { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text-secondary); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }

/* ── Map Container ── */
.map-container {
  position: relative;
  overflow: hidden;
}
#map { width: 100%; height: 100%; }
.map-overlay-badge {
  position: absolute; top: 10px; left: 10px; z-index: 500;
  background: rgba(10,14,23,0.85); backdrop-filter: blur(6px);
  padding: 6px 14px; border-radius: 20px; font-size: 12px;
  border: 1px solid var(--border); color: var(--text-secondary);
}
.map-overlay-badge .count { color: var(--accent-cyan); font-weight: 700; font-family: var(--font-mono); }

/* ── Right Panel ── */
.right-panel {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.panel-tabs {
  display: flex; border-bottom: 1px solid var(--border);
}
.panel-tab {
  flex: 1; padding: 12px 8px; text-align: center;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--text-muted);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}
.panel-tab:hover { color: var(--text-secondary); }
.panel-tab.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); }
.panel-content { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.panel-content.active { display: flex; }

/* ── Alert Items ── */
.alert-item {
  padding: 8px 10px; margin: 4px 8px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border);
  background: var(--bg-card);
  font-size: 11px; display: flex; gap: 8px; align-items: flex-start;
}
.alert-item.critical { border-left-color: var(--accent-rose); }
.alert-item.warning { border-left-color: var(--accent-amber); }
.alert-item.info { border-left-color: var(--accent-blue); }
.alert-text { color: var(--text-secondary); line-height: 1.4; }