.app { display: flex; min-height: 100vh; }

/* ------------------------------------------------------------- sidebar */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 12px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  z-index: 30;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 16px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #7b5cff);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand-name { font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
.brand-sub  { font-size: 11px; color: var(--text-faint); }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-section {
  padding: 14px 10px 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-weight: 500;
  cursor: pointer;
  transition: background .13s var(--ease), color .13s var(--ease);
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item .count {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--bg-active);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
}
.nav-item.active .count { background: var(--accent); color: #fff; }

.sidebar-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-foot .row { display: flex; align-items: center; gap: 6px; }

/* -------------------------------------------------------------- topbar */

.main {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--topbar-h);
  padding: 10px 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-title { display: flex; flex-direction: column; }
.topbar-title h1 { font-size: 17px; }
.topbar-title .sub { font-size: 12px; color: var(--text-faint); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* Slot warnings live here so they are visible on every page. */
.warnings { display: flex; flex-direction: column; gap: 8px; padding: 12px 24px 0; }
.warning-bar {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid var(--warning);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--warning-soft);
  color: var(--text);
  font-size: 13px;
}
.warning-bar.danger { border-color: var(--danger); background: var(--danger-soft); }
.warning-bar .icon { margin-top: 1px; color: var(--warning); }
.warning-bar.danger .icon { color: var(--danger); }
.warning-bar strong { font-weight: 650; }
.warning-bar .warn-body { flex: 1; min-width: 0; }
.warning-bar .warn-actions { display: flex; gap: 6px; flex: none; }
.slot-chips { display: inline-flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.slot-chip {
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border-strong);
  font-family: var(--mono);
  font-size: 11.5px;
}

.page { flex: 1; padding: 20px 24px 40px; }
.page-narrow { max-width: 940px; }

/* ------------------------------------------------------------ sections */

.panel {
  /* keep panels clear of the sticky topbar when scrolled into view */
  scroll-margin-top: calc(var(--topbar-h) + 12px);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel + .panel { margin-top: 18px; }
.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
}
.panel-head h2 { font-size: 15px; }
.panel-head .sub { font-size: 12.5px; color: var(--text-faint); margin-top: 2px; }
.panel-head .actions { margin-left: auto; display: flex; gap: 8px; }
.panel-body { padding: 18px; }
.panel-body.flush { padding: 0; }

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 52px 24px;
  text-align: center;
  color: var(--text-faint);
}
.empty .empty-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--bg-hover);
  color: var(--text-dim);
}
.empty h3 { color: var(--text); }
.empty p { max-width: 380px; font-size: 13px; }

.loading-block { padding: 60px; text-align: center; color: var(--text-faint); }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
  vertical-align: -3px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.menu-btn { display: none; }

@media (max-width: 860px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .2s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: none; }
  .main { margin-left: 0; }
  .page, .topbar, .warnings { padding-left: 14px; padding-right: 14px; }
  .menu-btn { display: inline-flex; }
  .topbar-actions { gap: 6px; }
  .warning-bar { flex-wrap: wrap; }
}