/* ── Layout ── */
/* Header, sidebar, main content, responsive */

/* Planet Reimagined header (shared) */
.pr-header {
  background: rgba(20,29,16,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  z-index: 200;
}
.pr-header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: grid; grid-template-columns: auto 1fr;
  gap: 1.25rem; align-items: center;
}
.pr-brand-row { display: inline-flex; align-items: center; gap: 0.85rem; }
.pr-brand-sep { width: 1px; height: 30px; background: rgba(255,255,255,0.15); }
.pr-logo { display: inline-flex; align-items: center; text-decoration: none; }
.pr-logo-img { height: 44px; width: auto; object-fit: contain; display: block; }
.pr-crumbs {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-display); font-size: 0.72rem; font-weight: 600;
  color: rgba(255,255,255,0.55); overflow: hidden;
  justify-content: flex-end;
}
.pr-crumbs a {
  color: rgba(255,255,255,0.55); text-decoration: none;
  white-space: nowrap; max-width: 220px; overflow: hidden; text-overflow: ellipsis;
}
.pr-crumbs a:hover { color: #5EC491; }
.pr-crumb-sep { color: rgba(255,255,255,0.25); }
.pr-crumb-current { color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pr-grapevine {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.3rem 0.7rem; border-radius: 18px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  text-decoration: none;
}
.pr-grapevine:hover { border-color: #5EC491; }
.pr-grapevine-img { width: 18px; height: 18px; object-fit: contain; }
.pr-grapevine-text {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 800; color: #fff; letter-spacing: 0.02em;
}
.pr-grapevine-tag {
  font-family: var(--font-display); font-size: 0.6rem; font-weight: 700;
  color: rgba(255,255,255,0.6); letter-spacing: 0.1em; text-transform: uppercase;
  padding-left: 0.5rem; border-left: 1px solid rgba(255,255,255,0.15);
  margin-left: 0.25rem;
}
@media (max-width: 700px) {
  .pr-header-inner { grid-template-columns: 1fr; gap: 0.5rem; padding: 0.55rem 0.85rem; }
  .pr-crumbs { justify-content: flex-start; }
  .pr-grapevine-tag { display: none; }
  .pr-logo-img { height: 34px; }
}

/* Dashboard layout */
.dashboard {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 48px);
}

/* Sidebar */
.sidebar {
  background: var(--white);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
  overflow-y: auto;
  position: sticky;
  top: 48px;
  height: calc(100vh - 48px);
}
.sidebar-section {
  margin-bottom: 0.25rem;
}
.sidebar-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.1s;
}
.sidebar-area:hover {
  background: var(--bg);
}
.sidebar-area-icon {
  font-size: 0.85rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.sidebar-area-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
  flex: 1;
}
.sidebar-area-chevron {
  font-size: 0.65rem;
  color: var(--text-soft);
  transition: transform 0.2s;
}
.sidebar-area.expanded .sidebar-area-chevron {
  transform: rotate(90deg);
}
.sidebar-topics {
  display: none;
  padding: 0.1rem 0;
}
.sidebar-area.expanded + .sidebar-topics {
  display: block;
}
.sidebar-topic {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 1.25rem 0.38rem 2.8rem;
  cursor: pointer;
  transition: all 0.1s;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-mid);
}
.sidebar-topic:hover {
  background: var(--bg);
  color: var(--text);
}
.sidebar-topic.active {
  background: var(--forest-pale);
  color: var(--forest);
  font-weight: 600;
}
.sidebar-topic-count {
  margin-left: auto;
  font-size: 0.6rem;
  color: var(--text-soft);
  background: var(--bg);
  padding: 0.05rem 0.35rem;
  border-radius: 8px;
  font-weight: 600;
}
.sidebar-topic.active .sidebar-topic-count {
  background: var(--forest-lt);
  color: var(--forest);
}

/* Main content area */
.main-content {
  padding: 0;
  min-width: 0;
}
.content-header {
  padding: 1.5rem 2rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.content-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.content-subtitle {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.content-status {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.content-status.completed { background: var(--forest-pale); color: var(--forest); }
.content-status.in_progress { background: var(--amber-lt); color: var(--amber); }

/* Sub-tabs */
.sub-tabs {
  display: flex;
  gap: 0;
  border-bottom: none;
}
.sub-tab {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-soft);
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  border: none;
  background: none;
  position: relative;
  transition: color 0.15s;
}
.sub-tab:hover {
  color: var(--text);
}
.sub-tab.active {
  color: var(--forest);
}
.sub-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0.5rem;
  right: 0.5rem;
  height: 2px;
  background: var(--forest);
  border-radius: 2px;
}
.sub-tab-badge {
  font-size: 0.55rem;
  background: var(--amber-lt);
  color: var(--amber);
  padding: 0.05rem 0.35rem;
  border-radius: 8px;
  font-weight: 700;
  margin-left: 0.3rem;
  vertical-align: middle;
}

/* Tab panels */
.sub-panel {
  display: none;
  padding: 1.5rem 2rem 2rem;
}
.sub-panel.active {
  display: block;
}

/* Placeholder */
.placeholder {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-soft);
}
.placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}
.placeholder-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Overview (no topic selected) */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  padding: 1.5rem 2rem;
}

/* Landing page */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 48px);
  padding: 2rem;
}
.landing-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.landing-sub {
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-bottom: 2.5rem;
}
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  width: 100%;
  max-width: 700px;
}
.city-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  border: 2px solid transparent;
}
.city-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--forest-lt);
}
.city-card-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.city-card-tagline {
  font-size: 0.78rem;
  color: var(--text-soft);
  margin-bottom: 1rem;
}
.city-card-stats {
  display: flex;
  gap: 1.2rem;
}
.city-card-stat {
  display: flex;
  flex-direction: column;
}
.city-card-stat-n {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--forest);
  line-height: 1;
}
.city-card-stat-l {
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

/* Responsive */
@media (max-width: 900px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: relative;
    top: 0;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 50vh;
  }
}

@media (max-width: 600px) {
  .landing-title { font-size: 1.5rem; }
  .city-grid { grid-template-columns: 1fr; }
  .content-header { padding: 1rem 1rem 0; }
  .sub-panel { padding: 1rem; }
  .header-inner { padding: 0 1rem; }
}