:root{
  --airsnn-blue: #2f80ed;
  --sidebar-w: 72px;
}

html, body { height: 100%; }
body { background: #f6f8fb; }

/* Sidebar (ikon ağırlıklı) */
.sidenav {
  width: var(--sidebar-w);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  background: #ffffff;
  border-right: 1px solid #e9edf5;
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  z-index: 1030;
}

.sidenav .brand {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #0f172a;
}

.sidenav .navicon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #334155;
  margin: 6px auto;
  cursor: pointer;
  transition: transform .08s ease, background .12s ease, color .12s ease;
  user-select: none;
}

.sidenav .navicon:hover{
  background: rgba(47,128,237,.10);
  color: var(--airsnn-blue);
  transform: translateY(-1px);
}

.sidenav .navicon.active{
  background: rgba(47,128,237,.14);
  color: var(--airsnn-blue);
}

/* Main layout */
.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: rgba(246,248,251,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e9edf5;
}

.card-soft {
  border: 1px solid #e9edf5;
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

/* 3-column content area */
.portal-grid{
  display: grid;
  grid-template-columns: 320px 1fr 420px;
  gap: 16px;
}

@media (max-width: 1200px){
  .portal-grid{ grid-template-columns: 1fr; }
}

/* Preview mode badge */
.preview-banner{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(47,128,237,.12);
  color: #0b3d91;
  font-weight: 650;
}

/* Disabled overlay only on right panel (so user can still click left/center for UI test) */
.disabled-layer{
  position: relative;
}

.disabled-layer::after{
  content: "Preview Mode (Pasif) — test amaçlı UI";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14px;
  font-weight: 750;
  color: rgba(15,23,42,.65);
  background: rgba(255,255,255,.65);
  border-radius: 18px;
  pointer-events: none;
}

/* Tooltip appearance (Bootstrap override via custom class) */
.tooltip.tt-airsnn .tooltip-inner{
  background: var(--airsnn-blue);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 650;
}
.tooltip.tt-airsnn .tooltip-arrow::before{
  border-right-color: var(--airsnn-blue);
}