:root {
  --ink: #1C2B33;
  --paper: #EFE6D3;
  --paper-white: #FAF6EC;
  --teal: #3D6B66;
  --teal-dark: #2A4A46;
  --rust: #B8492F;
  --denim: #35586B;
  --sand-dark: #B8A67D;
  --sand-line: #D8CBA5;

  --font-display: 'Fraunces', serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  background: var(--paper-white);
  border-bottom: 2px solid var(--ink);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.wordmark {
  font-family: var(--font-display);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.wordmark-main {
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--rust);
  letter-spacing: -0.01em;
}
.wordmark-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
}
.main-nav {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  gap: 22px;
  align-items: center;
}
.main-nav a { padding-bottom: 3px; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { border-bottom-color: var(--rust); }
.main-nav a.nav-add { color: var(--teal-dark); font-weight: 600; }
.main-nav a.nav-muted { color: #8a8070; }

.map-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.map-panel-header h2, .map-panel-header h3 { margin: 0; }
.panel-collapse-btn {
  background: none;
  border: 1px solid var(--sand-dark);
  border-radius: 6px;
  width: 22px;
  height: 22px;
  line-height: 1;
  font-size: 0.6rem;
  cursor: pointer;
  color: var(--ink);
  flex-shrink: 0;
}
.panel-collapse-btn:hover { background: var(--sand-dark); }
.map-panel.panel-collapsed .map-panel-body { display: none; }
.map-panel.panel-collapsed .panel-collapse-btn { transform: rotate(180deg); }

.show-panels-btn {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 500;
  background: rgba(250, 246, 236, 0.96);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  box-shadow: 3px 3px 0 rgba(28,43,51,0.15);
}
.show-panels-btn:hover { background: var(--sand-dark); }

.map-panel-stack.all-hidden { display: none; }
.hide-all-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--ink);
  color: var(--paper-white);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  border: none;
  z-index: 501;
}
.hide-all-btn:hover { background: var(--teal-dark); }

.conditions-panel {
  margin-top: 12px;
  max-width: 280px;
}
.conditions-panel h3 {
  font-size: 0.85rem;
  margin: 0 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.conditions-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 0;
  border-bottom: 1px dashed var(--sand-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.conditions-row:last-child { border-bottom: none; }
.conditions-label { color: #8a8070; }
.conditions-value { font-weight: 600; text-align: right; }
.aqi-good { color: #2d6a4f; }
.aqi-moderate { color: #b8860b; }
.aqi-unhealthy-sensitive { color: #c1440e; }
.aqi-unhealthy { color: #a4222f; }
.aqi-very-unhealthy, .aqi-hazardous { color: #6a1b1b; }

.header-search {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--sand-dark);
  border-radius: 14px;
  overflow: hidden;
  background: white;
}
.header-search input {
  border: none;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  width: 200px;
  background: transparent;
}
.header-search input:focus { outline: none; }
.header-search button {
  border: none;
  background: var(--teal);
  color: white;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.8rem;
}
.header-search button:hover { background: var(--teal-dark); }
@media (max-width: 700px) {
  .header-search { order: 3; width: 100%; margin-top: 6px; }
  .header-search input { flex: 1; width: auto; }
}

/* ---------- Flash messages ---------- */
.flash-stack { max-width: 1200px; margin: 12px auto 0; padding: 0 24px; }
.flash { font-family: var(--font-mono); font-size: 0.85rem; padding: 10px 14px; border-radius: var(--radius); margin-bottom: 8px; }
.flash-success { background: #dcebd7; border: 1px solid var(--teal); color: var(--teal-dark); }
.flash-error { background: #f3d9d1; border: 1px solid var(--rust); color: var(--rust); }

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 18px 24px 30px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #8a8070;
  display: flex;
  gap: 8px;
}
.footer-dot { opacity: 0.6; }

/* ---------- Postmark badge (signature element) ---------- */
.postmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 2px solid var(--rust);
  outline: 1px solid var(--rust);
  outline-offset: 3px;
  color: var(--rust);
  font-family: var(--font-mono);
  text-align: center;
  line-height: 1.1;
  transform: rotate(-8deg);
  background: rgba(250, 246, 236, 0.9);
  flex-shrink: 0;
}
.postmark .pm-hood { font-size: 0.5rem; text-transform: uppercase; letter-spacing: 0.03em; padding: 0 4px; }
.postmark .pm-date { font-size: 0.62rem; font-weight: 600; }

/* ---------- Map page ---------- */
.map-page { position: relative; display: flex; height: calc(100vh - 138px); }
#map-canvas { flex: 1; z-index: 1; background: #0f1417; }

.map-panel-stack {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 230px;
}
@media (max-width: 600px) {
  .map-panel-stack {
    max-width: 58vw;
  }
  .map-panel {
    padding: 10px 12px;
    font-size: 0.85em;
  }
  .map-panel h2 { font-size: 0.9rem; }
  .conditions-panel h3 { font-size: 0.75rem; }
  .chip { font-size: 0.62rem; padding: 3px 7px; }
  .leaflet-control-layers-expanded {
    max-width: 38vw;
    font-size: 0.68rem !important;
  }
}
.map-panel {
  background: rgba(250, 246, 236, 0.96);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: 3px 3px 0 rgba(28,43,51,0.15);
}
.map-panel h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  padding: 4px 9px;
  border: 1px solid var(--sand-dark);
  border-radius: 12px;
  background: var(--paper-white);
  color: var(--ink);
}
.chip.active { background: var(--teal); border-color: var(--teal); color: var(--paper-white); }
.map-stats { font-family: var(--font-mono); font-size: 0.7rem; color: var(--teal-dark); border-top: 1px dashed var(--sand-dark); padding-top: 8px; }
.map-stats a { color: var(--rust); text-decoration: underline; }

/* dot markers */
.location-dot {
  background: var(--rust);
  border: 2px solid var(--paper-white);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
  cursor: pointer;
}
.location-dot.multi {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper-white);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ---------- OldNYC-style sidebar ---------- */
.photo-sidebar {
  width: 380px;
  min-width: 380px;
  background: var(--paper-white);
  border-left: 2px solid var(--ink);
  display: flex;
  flex-direction: column;
  height: 100%;
  transform: translateX(0);
  transition: margin-right 0.2s ease;
}
.photo-sidebar.collapsed { margin-right: -380px; }
@media (max-width: 820px) {
  .photo-sidebar { position: absolute; right: 0; top: 0; z-index: 600; }
  .photo-sidebar.collapsed { margin-right: -100%; width: 100%; min-width: 100%; }
}

.sidebar-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #8a8070;
}

.sidebar-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--sand-line);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.sidebar-header-text h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 3px;
}
.sidebar-header-text .count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--teal-dark);
}
.sidebar-close {
  background: none;
  border: 1px solid var(--sand-dark);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  flex-shrink: 0;
  color: var(--ink);
}
.sidebar-close:hover { background: var(--sand-line); }

.sidebar-thumb-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-content: start;
}
.sidebar-thumb {
  cursor: pointer;
  border: 1px solid var(--sand-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #ded3b3;
  transition: transform 0.12s ease;
}
.sidebar-thumb:hover { transform: scale(1.03); }
.sidebar-thumb img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.sidebar-thumb .thumb-cap {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 4px 6px;
  color: var(--ink);
  background: var(--paper-white);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* single-photo detail view within sidebar */
.sidebar-viewer { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }
.viewer-back {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 10px 16px 0;
  color: var(--denim);
  cursor: pointer;
  text-decoration: underline;
  align-self: flex-start;
}
.viewer-img { width: 100%; max-height: 320px; object-fit: cover; background: #ded3b3; }
.viewer-nav {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.viewer-nav button {
  background: none;
  border: 1px solid var(--sand-dark);
  border-radius: var(--radius);
  padding: 4px 10px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.viewer-nav button:disabled { opacity: 0.3; cursor: default; }
.viewer-body { padding: 4px 16px 20px; }
.viewer-body h3 { font-family: var(--font-display); font-size: 1.1rem; margin: 6px 0 4px; }
.viewer-meta { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--teal-dark); margin-bottom: 10px; }
.viewer-desc { font-size: 0.88rem; margin-bottom: 10px; }
.viewer-link { font-family: var(--font-mono); font-size: 0.72rem; text-decoration: underline; color: var(--rust); }
.viewer-note { font-family: var(--font-mono); font-size: 0.68rem; color: var(--rust); background: #f3e7df; border: 1px dashed var(--rust); border-radius: var(--radius); padding: 6px 8px; margin-top: 8px; }

.sidebar-toggle-tab {
  position: absolute;
  top: 70px;
  right: 16px;
  z-index: 500;
  background: var(--paper-white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  box-shadow: 3px 3px 0 rgba(28,43,51,0.15);
}

/* Leaflet layer control, restyled to match the postcard theme */
.leaflet-control-layers {
  border: 2px solid var(--ink) !important;
  border-radius: var(--radius) !important;
  box-shadow: 3px 3px 0 rgba(28,43,51,0.15) !important;
  background: var(--paper-white) !important;
}
.leaflet-control-layers-toggle {
  width: 34px !important;
  height: 34px !important;
}
.leaflet-control-layers-expanded {
  padding: 10px 12px !important;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
  max-height: 80vh;
  overflow-y: auto;
  touch-action: pan-y;
}
.leaflet-control-layers label { margin-bottom: 4px; }
.leaflet-control-layers-separator { border-top: 1px dashed var(--sand-dark) !important; margin: 6px 0 !important; }

/* Collapsible parent/child groups: children are plain sibling <label>
   elements after the group header in this plugin's DOM, so hide anything
   that isn't the header unless the group has been expanded. */
.leaflet-control-layers-group > label:not(.leaflet-control-layers-group-label) {
  display: none;
  padding-left: 20px;
  margin-top: 2px;
}
.leaflet-control-layers-group.group-expanded > label:not(.leaflet-control-layers-group-label) {
  display: block;
}
.leaflet-control-layers-group-label {
  cursor: pointer;
  font-weight: 600;
}
.leaflet-control-layers-group-name::before {
  content: "\25B8  "; /* right-pointing triangle, collapsed */
  font-size: 0.7em;
}
.leaflet-control-layers-group.group-expanded > .leaflet-control-layers-group-label .leaflet-control-layers-group-name::before {
  content: "\25BE  "; /* down-pointing triangle, expanded */
}

.leaflet-popup-content-wrapper {
  background: var(--paper-white);
  border-radius: var(--radius);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(28,43,51,0.2);
}
.leaflet-popup-tip { background: var(--paper-white); }
.popup-card { width: 230px; font-family: var(--font-body); }
.popup-card img { width: 100%; height: 150px; object-fit: cover; border-bottom: 1px solid var(--sand-line); display: block; }
.popup-body { padding: 10px 12px; }
.popup-title { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; margin: 0 0 4px; }
.popup-meta { font-family: var(--font-mono); font-size: 0.68rem; color: var(--teal-dark); text-transform: uppercase; letter-spacing: 0.03em; }
.popup-link { display: inline-block; margin-top: 8px; font-family: var(--font-mono); font-size: 0.72rem; text-decoration: underline; color: var(--rust); }

/* ---------- Gallery ---------- */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: 24px; }
.page-heading { font-family: var(--font-display); font-size: 2rem; font-weight: 600; margin: 0 0 4px; }
.page-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--teal-dark); margin-bottom: 20px; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 14px;
  background: var(--paper-white);
  border: 1px solid var(--sand-line);
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.filter-bar select, .filter-bar input[type=text] {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 8px;
  border: 1px solid var(--sand-dark);
  border-radius: var(--radius);
  background: white;
}
.filter-bar button {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  background: var(--teal);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}
.filter-bar button:hover { background: var(--teal-dark); }

.postcard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
}
.postcard {
  background: var(--paper-white);
  border: 1px solid var(--sand-line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 2px 2px 0 rgba(28,43,51,0.08);
}
.postcard:hover { transform: rotate(-1deg) translateY(-3px); box-shadow: 4px 5px 0 rgba(28,43,51,0.18); }
.postcard-img-wrap { aspect-ratio: 4/3; overflow: hidden; background: #ded3b3; }
.postcard-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.postcard-body { padding: 12px 14px 14px; }
.postcard-title { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; margin: 0 0 4px; line-height: 1.25; }
.postcard-meta { font-family: var(--font-mono); font-size: 0.68rem; color: var(--teal-dark); text-transform: uppercase; letter-spacing: 0.03em; }
.postcard .postmark { position: absolute; top: 8px; right: 8px; width: 46px; height: 46px; }
.postcard .postmark .pm-hood { font-size: 0.38rem; }
.postcard .postmark .pm-date { font-size: 0.5rem; }
.badge-ungeocoded {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #8a8070;
  border: 1px dashed var(--sand-dark);
  border-radius: 10px;
  padding: 2px 8px;
  display: inline-block;
  margin-top: 6px;
}

/* ---------- Photo detail ---------- */
.detail-wrap { max-width: 900px; margin: 0 auto; padding: 24px; }
.detail-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 30px; }
@media (max-width: 760px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-img { width: 100%; border: 1px solid var(--sand-line); border-radius: var(--radius); background: #ded3b3; }
.detail-title { font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; margin: 0 0 6px; }
.detail-meta-row { font-family: var(--font-mono); font-size: 0.78rem; color: var(--teal-dark); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.02em; }
.detail-desc { margin-bottom: 18px; }
.detail-field { margin-bottom: 12px; }
.detail-field label { display: block; font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: #8a8070; margin-bottom: 2px; }
.detail-field .value { font-size: 0.95rem; }
.location-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--rust);
  background: #f3e7df;
  border: 1px dashed var(--rust);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-top: 10px;
}
.back-link { font-family: var(--font-mono); font-size: 0.78rem; text-decoration: underline; color: var(--denim); }
.detail-actions { margin-top: 16px; display: flex; gap: 12px; font-family: var(--font-mono); font-size: 0.78rem; }
.detail-actions a { text-decoration: underline; }
.btn-danger { color: var(--rust); background: none; border: none; cursor: pointer; font-family: var(--font-mono); font-size: 0.78rem; text-decoration: underline; padding: 0; }

/* ---------- Forms ---------- */
.form-wrap { max-width: 640px; margin: 0 auto; padding: 24px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 5px; color: var(--teal-dark); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--sand-dark);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: white;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-hint { font-family: var(--font-mono); font-size: 0.68rem; color: #8a8070; margin-top: 4px; }
.btn-primary {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 22px;
  background: var(--rust);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}
.btn-primary:hover { background: #96391f; }

/* ---------- About ---------- */
.prose { max-width: 720px; }
.prose h2 { font-family: var(--font-display); }
.prose p { margin-bottom: 14px; }

@media (prefers-reduced-motion: reduce) {
  .postcard, html { transition: none !important; scroll-behavior: auto !important; }
}