/* ==========================================
   China 2026 — Dark Pinterest Board
   ========================================== */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f0d0a;
  --bg-card: #1a1714;
  --bg-card-hover: #211d19;
  --bg-pill: #211d19;
  --bg-pill-active: #3d3228;
  --text: #e8e4dd;
  --text-muted: #8a8178;
  --text-dim: #5c5550;
  --accent: #d4956a;
  --accent-dim: #6b4d38;
  --border: #26221e;
  --border-light: #332e29;
  --drawer-bg: #14110e;
  --overlay: rgba(0,0,0,0.6);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
}

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ---- Top bar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(15, 13, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---- Hamburger ---- */
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  z-index: 200;
  color: var(--text-muted);
}

/* ---- Drawer ---- */
.drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 260px;
  height: 100%;
  height: 100dvh;
  background: var(--drawer-bg);
  z-index: 150;
  transition: right 0.25s ease;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.drawer.open {
  right: 0;
}

.drawer-inner {
  padding: 5rem 1.5rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.drawer-link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.drawer-link:hover { background: var(--bg-card); color: var(--text); }
.drawer-link.active { background: var(--bg-card); color: var(--accent); font-weight: 600; }

.drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.drawer-footer p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Views ---- */
.view {
  display: none;
}

.view.active {
  display: block;
}

/* ---- City filter pills ---- */
.city-filters {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  position: sticky;
  top: 48px;
  z-index: 50;
  background: var(--bg);
}

.city-filters::-webkit-scrollbar { display: none; }

.city-pill {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  background: var(--bg-pill);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.city-pill:hover {
  border-color: var(--border-light);
  color: var(--text);
}

.city-pill.active {
  background: var(--bg-pill-active);
  border-color: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

/* ---- Idea feed ---- */
.idea-feed {
  padding: 0 1rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ---- Idea card (vertical stacked) ---- */
.idea-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color 0.15s, background 0.15s;
}

.idea-card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.idea-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: var(--bg-pill);
}

.idea-card-body {
  padding: 1rem;
}

.idea-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.idea-card-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.idea-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.idea-link-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-pill);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
}

.idea-link-pill:hover {
  background: var(--bg-pill-active);
  border-color: var(--accent-dim);
  color: var(--accent);
}

.idea-link-pill svg {
  width: 0.85rem;
  height: 0.85rem;
  opacity: 0.7;
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-dim);
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 280px;
  margin: 0 auto;
}

/* ---- Logistics view ---- */
.logistics-content {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* ---- Day group ---- */
.day-group {
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.day-group-header {
  padding: 0.75rem 1rem;
  background: var(--bg-pill);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-group-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.day-group-day {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.day-group-body {
  padding: 0.75rem 1rem;
}

/* ---- Logistics entries ---- */
.log-entry {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem 0;
  align-items: flex-start;
}

.log-entry + .log-entry {
  border-top: 1px solid var(--border);
}

.log-entry-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

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

.log-entry-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
}

.log-entry-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  line-height: 1.3;
}

.log-entry.past {
  opacity: 0.45;
}

.log-entry.past .log-entry-title {
  text-decoration: line-through;
  text-decoration-color: var(--text-dim);
}

/* ---- Flight visual ---- */
.flight-visual {
  margin: 1rem 0;
  background: var(--bg-pill);
  border-radius: var(--radius-sm);
  padding: 1rem;
  border: 1px solid var(--border);
}

.flight-segment {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.flight-segment + .flight-segment {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
}

.flight-segment-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.flight-segment-route {
  flex: 1;
}

.flight-segment-route .code {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.flight-segment-route .arrow {
  color: var(--text-dim);
  margin: 0 0.35rem;
}

.flight-segment-route .time {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.1rem;
}

.flight-segment-meta {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.flight-layover {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  margin: 0.25rem 0;
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(212,149,106,0.06);
  border-radius: var(--radius-sm);
}

/* ---- Section header ---- */
.section-header {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 1.5rem 0 0.5rem;
}

.section-header:first-child {
  padding-top: 0;
}

/* ---- Emergency ---- */
.emergency-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.emergency-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.emergency-card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.emergency-card-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

/* ---- Responsive ---- */
@media (min-width: 500px) {
  .idea-feed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .idea-card-img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 768px) {
  .idea-feed {
    grid-template-columns: repeat(3, 1fr);
  }
  .logistics-content {
    padding: 2rem 2rem 4rem;
  }
}

/* ---- Lucide icons ---- */
.lucide {
  flex-shrink: 0;
  vertical-align: middle;
}

.idea-card-img .lucide,
.log-entry-icon .lucide,
.flight-segment-icon .lucide {
  color: var(--text-dim);
}

.log-entry-icon .lucide {
  width: 18px;
  height: 18px;
}