/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.logo-mark {
  width: 30px; height: 30px;
  background: var(--accent-blue);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -.01em;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 10px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(168,184,204,.35);
  padding: 0 8px;
  margin-bottom: 5px;
  margin-top: 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-sidebar);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 400;
  transition: background var(--duration) var(--ease),
              color var(--duration) var(--ease);
  margin-bottom: 1px;
}

.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--bg-sidebar-active);
  color: #93C5FD;
  font-weight: 500;
}

.sidebar-footer {
  padding: 12px 12px 16px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  background: var(--accent-blue);
  color: #fff;
  font-weight: 600;
  font-size: .76rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }

.user-name {
  font-size: .78rem;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: .68rem;
  color: rgba(168,184,204,.45);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  width: 26px; height: 26px;
  border: none;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-sm);
  color: var(--text-sidebar);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--duration) var(--ease);
}

.logout-btn:hover { background: rgba(255,255,255,.12); color: #fff; }

/* ── Main content ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ── */
.topbar {
  height: var(--topbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .76rem;
  color: var(--text-muted);
  letter-spacing: .01em;
}

.breadcrumb-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb-link:hover { text-decoration: underline; }

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-base);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 6px 11px;
  color: var(--text-muted);
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  width: 210px;
}

.search-box:focus-within {
  border-color: var(--accent-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29,78,216,.08);
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  font-family: var(--font-body);
  font-size: .79rem;
  color: var(--text-primary);
  width: 100%;
}

.search-box input::placeholder { color: var(--text-muted); }