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

.pulse-main {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.pulse-login-main {
  max-width: 640px;
}

.sidebar {
  width: 240px;
  background-color: var(--primary);
  padding: 1.5rem 0;
  flex-shrink: 0;
  transition: width 0.2s ease;
}

.sidebar.collapsed {
  width: 56px;
}

.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed nav ul li a span {
  display: none;
}

.sidebar-brand {
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0 1.25rem 1rem;
}

.sidebar-toggle {
  display: block;
  width: 100%;
  padding: 0.5rem 1.25rem;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  text-align: right;
  font-size: 1rem;
}

.sidebar nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar nav ul li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.sidebar nav ul li a:hover,
.sidebar nav ul li a.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.sidebar nav ul li a.active {
  border-left: 3px solid var(--accent);
}

.sidebar-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin: 0.75rem 1rem;
}

.page-header-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.stats-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.brief-card,
.feed-item-card {
  border-left: 4px solid var(--accent);
}

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.meta-list span {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.empty-state {
  padding: 2rem 0;
  color: var(--muted);
}

.login-card {
  max-width: 520px;
  margin: 4rem auto;
}

.helper-list {
  margin-top: 1rem;
}

.helper-list li + li {
  margin-top: 0.5rem;
}

.pulse-content-block {
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.65;
  font-size: 0.98rem;
}

.pulse-reader-content {
  max-width: 100%;
  color: var(--text);
}

.pulse-reader-content > *:first-child {
  margin-top: 0;
}

.pulse-reader-content > *:last-child {
  margin-bottom: 0;
}

.pulse-reader-content p,
.pulse-reader-content li,
.pulse-reader-content blockquote {
  font-size: 1.02rem;
  line-height: 1.75;
}

.pulse-reader-content h1,
.pulse-reader-content h2,
.pulse-reader-content h3,
.pulse-reader-content h4 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.pulse-reader-content ul,
.pulse-reader-content ol {
  padding-left: 1.4rem;
}

.pulse-reader-content a {
  word-break: break-word;
}

.pulse-reader-content code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.95em;
}

.pulse-reader-content pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 1rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.pulse-reader-content blockquote {
  margin: 1.25rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.pulse-raw-toggle {
  margin-top: 1.25rem;
}

.pulse-raw-toggle summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.95rem;
}

.pulse-main .lp-footer {
  margin-top: auto;
}

@media (max-width: 900px) {
  .layout-sidebar {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
  }

  .sidebar.collapsed {
    width: 100%;
  }

  .sidebar.collapsed .sidebar-brand,
  .sidebar.collapsed nav ul li a span {
    display: initial;
  }
}