/* App frame: fixed sidebar + topbar + scrolling view. */
.shell { display: grid; grid-template-columns: 212px 1fr; height: 100vh; }
.side {
  border-right: 1px solid var(--line); background: var(--panel);
  display: flex; flex-direction: column; min-height: 0;
}
.brand {
  display: flex; align-items: center; gap: 8px; padding: 12px 14px;
  border-bottom: 1px solid var(--line-2); font-weight: 600; letter-spacing: -0.01em;
}
.nav { overflow: auto; padding: 4px 0 16px; flex: 1; }
.nav-group {
  padding: 12px 14px 4px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--ink-4);
}
.nav-item {
  display: flex; align-items: center; gap: 9px; border: 0; background: none; text-align: left;
  margin: 1px 6px; padding: 6px 8px; border-radius: 6px; color: var(--ink-2); font-size: 13px;
  transition: background var(--dur-fast) var(--ease);
}
.nav-item .nv-label { flex: 1; }
.nav-item svg { color: var(--ink-4); flex-shrink: 0; }
.nav-item:hover { background: var(--hover); }
.nav-item[aria-current="page"] { background: var(--selected); color: var(--ink); font-weight: 600; box-shadow: inset 2px 0 0 var(--accent); }
.nav-item[aria-current="page"] svg { color: var(--accent); }
.brand .brand-pill { margin-left: auto; }
.user { display: flex; align-items: center; gap: 8px; width: 100%; border: none; border-top: 1px solid var(--line-2); padding: 8px 12px; font-size: 13px; color: var(--ink-2); background: none; font-family: inherit; text-align: left; cursor: pointer; }
.user:hover { color: var(--ink); background: var(--bg-2, rgba(127,127,127,.06)); }
.user svg { margin-left: auto; opacity: .5; }
.user:hover svg { opacity: 1; }
.avatar { width: 20px; height: 20px; border-radius: 50%; background: var(--ink); color: var(--panel); font-size: 10px; display: flex; align-items: center; justify-content: center; }
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar {
  display: flex; align-items: center; gap: 8px; padding: 8px 16px; height: 48px;
  border-bottom: 1px solid var(--line); background: var(--panel);
}
.topbar .sp { flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; padding: 2px; gap: 2px; }
.seg button { border: 0; background: none; border-radius: 4px; padding: 2px 8px; font-size: 11px; color: var(--ink-3); }
.seg button.on { background: var(--ink); color: var(--panel); }
.tb-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; font-size: 12px; color: var(--ink-2); background: var(--panel); box-shadow: var(--shadow-xs); transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease); }
.tb-btn:hover { background: var(--hover); box-shadow: var(--shadow-sm); }
.tb-search { display: flex; align-items: center; gap: 8px; width: 280px; border: 1px solid var(--line); border-radius: 6px; padding: 5px 10px; font-size: 12px; color: var(--ink-4); background: var(--panel); transition: box-shadow var(--dur-fast) var(--ease); }
.tb-search:focus-within { box-shadow: var(--halo); }
.tb-search kbd { margin-left: auto; border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; font-family: var(--mono); font-size: 10px; }
.status-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; font-size: 11px; color: var(--ink-2); }
.view { overflow: auto; padding: 16px; min-height: 0; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid4 { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); }
.cols { display: grid; gap: 12px; grid-template-columns: 2fr 1fr; align-items: start; }
@media (max-width: 900px) { .grid4, .cols { grid-template-columns: 1fr 1fr; } }