.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(20px);
}

.topbar__brand,
.topbar__actions,
.user-pill,
.live-pill {
  display: flex;
  align-items: center;
}

.topbar__brand {
  gap: 12px;
}

.topbar__logo {
  width: 94px;
  height: 34px;
  object-fit: contain;
}

.topbar__divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.topbar__title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.topbar__subtitle,
.topbar__date {
  color: var(--text-3);
  font-size: 12px;
}

.topbar__actions {
  gap: 10px;
}

.app-shell {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}

.sidebar {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow: auto;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.58);
  padding: 20px 14px;
}

.sidebar__section {
  color: var(--text-4);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 10px 10px;
}

.sidebar__nav {
  display: grid;
  gap: 4px;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  text-align: left;
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.sidebar__item:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text);
}

.sidebar__item.is-active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
}

.sidebar__icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--bg-subtle);
  flex: 0 0 auto;
}

.sidebar__item.is-active .sidebar__icon {
  background: rgba(0, 113, 227, 0.12);
}

.main-content {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 28px 32px 56px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 4px 0 8px;
  font-size: 32px;
  line-height: 1.08;
  letter-spacing: -0.5px;
}

.page-header p {
  margin: 0;
  max-width: 720px;
  color: var(--text-2);
  line-height: 1.6;
}

.eyebrow,
.panel__eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section-gap {
  margin-top: 22px;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    display: block;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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

  .main-content {
    padding: 22px 18px 44px;
  }

  .topbar {
    padding: 0 16px;
  }

  .topbar__date {
    display: none;
  }
}

@media (max-width: 640px) {
  .topbar__logo,
  .topbar__divider,
  .live-pill {
    display: none;
  }

  .page-header {
    display: block;
  }

  .page-header h1 {
    font-size: 25px;
  }

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