/* =====================================================================
   SIDEBAR -- rail persisten di desktop, drawer overlay di mobile.
   Nav-nya scroll-anchor (bukan tab-switch kayak Owner), soalnya Panel
   emang satu halaman panjang, bukan multi-view.
   ===================================================================== */
.hamburger-btn{
  background: var(--surface); border: 1px solid var(--border); color: var(--ink);
  width: 38px; height: 38px; padding: 0; border-radius: var(--r-md);
  font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

.sidebar-backdrop{
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4,5,7,.6);
  opacity: 0; transition: opacity var(--dur-med) var(--ease-out);
}
.sidebar-backdrop.open{ opacity: 1; }

.sidebar{
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 91;
  width: 84%; max-width: 280px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow-modal);
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--dur-med) var(--ease-out);
}
.sidebar.open{ transform: translateX(0); }

.sidebar-head{
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  border-bottom: 1px solid var(--border);
}
.sidebar-brand{ display: flex; align-items: center; gap: var(--sp-3); min-width: 0; }
.sidebar-mark{
  width: 36px; height: 36px; border-radius: var(--r-md); flex-shrink: 0;
  background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; font-family: var(--font-mono);
}
.sidebar-brand-label{ font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); font-family: var(--font-mono); }
.sidebar-brand-name{ font-weight: 700; font-size: .96em; color: var(--ink-bright); }
.sidebar-close{
  background: transparent; border: none; color: var(--muted); font-size: 18px;
  width: 32px; height: 32px; padding: 0; border-radius: var(--r-sm); flex-shrink: 0;
}
.sidebar-close:hover{ background: var(--surface-raised); }

.sidebar-nav{ padding: var(--sp-4) var(--sp-3); display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidebar-group-label{
  font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--faint); padding: var(--sp-2) var(--sp-3) 6px;
}

.sidebar-item{
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left; background: transparent; color: var(--muted);
  border: none; border-radius: var(--r-md); padding: 11px var(--sp-3);
  font-size: .92em; font-weight: 600; text-decoration: none; cursor: pointer;
}
.sidebar-item:hover{ background: var(--surface-raised); color: var(--ink); }
.sidebar-item.active{ background: var(--accent-wash); color: var(--accent); }
.sidebar-item-danger.active{ background: var(--danger-wash); color: var(--danger); }

.sidebar-foot{ padding: var(--sp-3) var(--sp-4) var(--sp-5); border-top: 1px solid var(--border); }
.sidebar-foot .btn{ width: 100%; }

@media (min-width: 980px){
  .hamburger-btn, .sidebar-backdrop, .sidebar-close{ display: none; }
  .sidebar{
    position: fixed; transform: none; box-shadow: none;
    width: 250px;
  }
  .dashboard-main{ margin-left: 250px; }
}