.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  padding: 26px 20px;
  border-right: 1px solid var(--border);
  background: rgba(6, 14, 22, 0.9);
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 34px;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #041019;
  background: linear-gradient(135deg, #83dcff, #4ca3ff);
  font-weight: 900;
}

nav {
  display: grid;
  gap: 6px;
}

nav a {
  color: var(--muted);
  padding: 11px 12px;
  border-radius: 10px;
  text-decoration: none;
}

nav a:hover,
nav a.active {
  color: var(--text);
  background: rgba(87, 199, 255, 0.1);
}

.api-status {
  margin-top: auto;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.api-status span,
.feed-item > span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: #5be18a;
}

.workspace {
  padding: 38px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(30px, 4vw, 48px);
  margin: 3px 0 10px;
  letter-spacing: -0.04em;
}

.hero > div > p:last-child,
.empty-state p,
.feed-item p {
  color: var(--muted);
}

.hero button {
  border: 0;
  border-radius: 12px;
  padding: 13px 18px;
  background: var(--accent);
  color: #041019;
  font-weight: 800;
  cursor: pointer;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.14em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 16px;
}

.panel {
  min-height: 330px;
  padding: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(16, 30, 44, 0.96), rgba(10, 22, 32, 0.96));
  border-radius: 18px;
}

.panel h2 {
  margin: 3px 0 0;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-heading a {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
}

.empty-state {
  min-height: 240px;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

.empty-state > div {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(87, 199, 255, 0.1);
  color: var(--accent);
  font-size: 28px;
}

.feed-item {
  margin-top: 30px;
  display: flex;
  align-items: flex-start;
}

.feed-item p {
  margin-top: 6px;
}

@media (max-width: 1000px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .workspace {
    padding: 22px;
  }

  .hero {
    display: grid;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}