/* Lansing ALPR Map — palette from the "Michigan's ALPR Camera Network"
   infographic: deep-navy ground, hot magenta + cyan + warm-gold accents,
   editorial-serif display face, Plex Mono for stats. Deliberately dense,
   non-glossy, non-blurred. */

:root {
  --ink-900: #05081e;
  --ink-800: #0a0f27;
  --ink-750: #0f152f;
  --ink-700: #141a38;
  --ink-650: #1a2145;
  --ink-600: #222a54;
  --ink-500: #2d3668;
  --ink-400: #3d477d;

  --accent-magenta: #e94ca0;
  --accent-magenta-soft: rgba(233, 76, 160, 0.22);
  --accent-cyan: #3dd0c8;
  --accent-cyan-soft: rgba(61, 208, 200, 0.18);
  --accent-gold: #e2c071;
  --accent-orange: #e6823c;

  --text-100: #f3ecd6;
  --text-200: #dcd3b9;
  --text-300: #aeb4c8;
  --text-400: #7d88a6;
  --text-500: #525c7e;

  /* Operator colors sampled directly from the "Michigan's ALPR Camera
     Network" infographic donut palette: magenta (Motorola slice), cyan
     (Flock slice), gold (Other slice), orange (Genetec slice), dark teal
     (Avigilon slice), muted lavender (Axis slice). */
  --op-lpd:      #e94ca0;
  --op-msu-pol:  #3dc7c2;
  --op-msu-park: #e4c176;
  --op-meijer:   #eb7a32;
  --op-lowes:    #2b7d7b;
  --op-unknown:  #8b88c2;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--ink-800);
  color: var(--text-100);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent-cyan); text-decoration: none; }
a:hover { color: var(--text-100); }

.num {
  font-family: 'IBM Plex Mono', ui-monospace, "SF Mono", Menlo, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.eyebrow {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

/* --- Accent rule bar at very top --- */

.accent-rule {
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg,
    var(--accent-cyan) 0%,
    var(--accent-cyan) 32%,
    var(--accent-magenta) 45%,
    var(--accent-magenta) 78%,
    var(--accent-gold) 92%,
    var(--accent-gold) 100%);
}

#app { display: flex; flex-direction: column; height: 100vh; }

/* --- Masthead --- */

#masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem 1.4rem 0.75rem;
  background: var(--ink-800);
  border-bottom: 1px solid var(--ink-600);
  flex-shrink: 0;
}

.masthead-left { flex: 1; min-width: 0; }

#masthead h1 {
  font-family: 'Fraunces', 'Times New Roman', serif;
  font-optical-sizing: auto;
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin-top: 4px;
}

.h1-main {
  display: block;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  color: var(--text-100);
}

.dek {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-top: 0.55rem;
  flex-wrap: wrap;
  font-size: 0.7rem;
}

.dek-cell {
  display: inline-flex;
  align-items: baseline;
  gap: 0.32rem;
}

.dek-cell .num {
  color: var(--accent-gold);
  font-size: 0.88rem;
  font-weight: 600;
}

.dek-label {
  color: var(--text-400);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}

.dek-sep {
  display: inline-block;
  width: 1px;
  height: 10px;
  background: var(--ink-500);
}

#nav {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.nav-link,
.nav-link-bare {
  background: transparent;
  border: 1px solid var(--ink-500);
  color: var(--text-300);
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.nav-link:hover,
.nav-link-bare:hover {
  background: var(--ink-700);
  color: var(--text-100);
  border-color: var(--accent-cyan);
}

/* Primary CTA: link out to the Rhinoceros blog's Flock coverage. */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.32rem 0.7rem 0.32rem 0.75rem;
  background: var(--accent-magenta);
  border: 1px solid var(--accent-magenta);
  color: var(--ink-900);
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s, transform 0.12s;
  position: relative;
}

.nav-cta::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 70%;
  background: var(--accent-cyan);
}

.nav-cta .cta-arrow {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 0.86rem;
  line-height: 1;
  transition: transform 0.15s;
}

.nav-cta:hover {
  background: var(--text-100);
  border-color: var(--text-100);
  color: var(--ink-900);
}

.nav-cta:hover .cta-arrow {
  transform: translateX(3px);
}

/* --- Filter bar --- */

#filter-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.45rem 1.4rem;
  background: var(--ink-750);
  border-bottom: 1px solid var(--ink-600);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-500) transparent;
}

.filter-label {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex-shrink: 0;
}

.lbl-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.lbl-status {
  font-size: 0.66rem;
  color: var(--text-400);
  white-space: nowrap;
}

.lbl-status .num { color: var(--text-200); font-size: 0.72rem; }

.lbl-status .scope-label {
  color: var(--accent-magenta);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.filter-chips {
  display: flex;
  gap: 5px;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.chip {
  --chip-color: var(--op-unknown);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px 4px 7px;
  background: transparent;
  border: 1px solid var(--ink-500);
  border-left: 3px solid var(--chip-color);
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  color: var(--text-300);
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s, border-color 0.12s, opacity 0.12s;
}

.chip:hover { color: var(--text-100); border-color: var(--chip-color); }

.chip[data-active="true"] {
  background: color-mix(in srgb, var(--chip-color) 18%, transparent);
  color: var(--text-100);
  border-color: var(--chip-color);
}

.chip[data-active="false"] {
  opacity: 0.42;
}

.chip[data-active="false"]:hover { opacity: 0.85; }

.chip .num {
  color: var(--chip-color);
  font-size: 0.68rem;
  font-weight: 600;
}

.chip[data-active="false"] .num {
  color: var(--text-400);
}

.chip-name {
  letter-spacing: 0.01em;
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--accent-magenta);
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent-magenta);
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}

.filter-pill .pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-magenta);
  flex-shrink: 0;
}

.filter-pill[data-state="on"] {
  background: var(--accent-magenta);
  color: var(--ink-900);
}

.filter-pill[data-state="on"] .pill-dot {
  background: var(--ink-900);
}

.filter-pill[data-state="on"] .num {
  color: var(--ink-900);
}

.filter-pill:hover { background: var(--accent-magenta-soft); }
.filter-pill[data-state="on"]:hover { background: var(--accent-magenta); }

.filter-divider {
  width: 1px;
  height: 16px;
  background: var(--ink-500);
}

.filter-link {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.68rem;
  color: var(--text-400);
  cursor: pointer;
  padding: 3px 5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.filter-link:hover { color: var(--accent-cyan); }

.filter-hint {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  color: var(--text-500);
  letter-spacing: 0.04em;
}

/* --- Map --- */

#map-wrap {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
}

#map {
  flex: 1;
  min-height: 0;
  background: var(--ink-900);
}

/* --- Overlay panel (bottom-left) --- */

#overlay-panel {
  position: absolute;
  bottom: 18px;
  left: 14px;
  z-index: 1000;
  background: rgba(10, 15, 39, 0.94);
  border: 1px solid var(--ink-500);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 2px;
  padding: 10px 12px 8px;
  min-width: 200px;
  max-width: 230px;
  font-size: 0.72rem;
  color: var(--text-200);
}

.panel-head {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 7px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--ink-600);
}

.overlay-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  cursor: pointer;
  user-select: none;
}

.overlay-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.check-box {
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--ink-400);
  background: transparent;
  flex-shrink: 0;
  position: relative;
  border-radius: 1px;
}

.overlay-row input:checked + .check-box {
  background: var(--accent-magenta);
  border-color: var(--accent-magenta);
}

.overlay-row input:checked + .check-box::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 4px;
  height: 8px;
  border: solid var(--ink-900);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.overlay-row:hover .check-box { border-color: var(--accent-cyan); }

.overlay-label {
  flex: 1;
  color: var(--text-200);
  font-size: 0.74rem;
}

.overlay-count,
.overlay-sub {
  color: var(--text-400);
  font-size: 0.64rem;
}

.overlay-sub {
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.02em;
}

.panel-note {
  margin-top: 7px;
  padding-top: 6px;
  border-top: 1px solid var(--ink-600);
  font-size: 0.58rem;
  color: var(--text-500);
  line-height: 1.45;
  font-style: italic;
}

/* --- Leaflet chrome overrides --- */

.leaflet-control-attribution {
  background: rgba(10, 15, 39, 0.88) !important;
  color: var(--text-400) !important;
  font-size: 0.56rem !important;
  font-family: 'IBM Plex Mono', monospace !important;
  padding: 2px 8px !important;
  border-top-left-radius: 2px !important;
  letter-spacing: 0.02em;
}
.leaflet-control-attribution a { color: var(--accent-cyan) !important; text-decoration: none; }

.leaflet-bar a,
.leaflet-bar a:hover {
  background: rgba(10, 15, 39, 0.92) !important;
  color: var(--text-200) !important;
  border-bottom-color: var(--ink-500) !important;
  border-radius: 1px !important;
}
.leaflet-bar a:hover {
  background: var(--ink-700) !important;
  color: var(--accent-cyan) !important;
}
.leaflet-bar {
  border: 1px solid var(--ink-500) !important;
  box-shadow: none !important;
  border-radius: 1px !important;
}

/* --- Popup --- */

.leaflet-popup-content-wrapper {
  background: var(--ink-800);
  color: var(--text-200);
  border-radius: 2px;
  border: 1px solid var(--ink-500);
  border-top: 3px solid var(--accent-cyan);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.55);
  font-family: 'Space Grotesk', sans-serif;
}

.leaflet-popup-tip { background: var(--ink-800); border-left: 1px solid var(--ink-500); border-top: 1px solid var(--ink-500); }

.leaflet-popup-content { margin: 10px 14px !important; line-height: 1.4; }

.cam-popup { font-size: 0.76rem; min-width: 205px; }

.cam-op {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.cam-cat {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem;
  color: var(--text-500);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 8px;
}

.cam-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 5px 0 7px;
  border-top: 1px solid var(--ink-600);
}

.cam-meta > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.72rem;
}

.cam-meta > div > span:first-child {
  color: var(--text-400);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 500;
}
.cam-meta > div > span:last-child {
  color: var(--text-100);
  font-weight: 500;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
}

.cam-links {
  padding-top: 5px;
  border-top: 1px solid var(--ink-600);
  font-size: 0.66rem;
  color: var(--text-400);
}

.cam-links a { color: var(--accent-cyan); text-decoration: none; }
.cam-links a:hover { color: var(--text-100); text-decoration: underline; }

/* --- ALPR directional markers --- */

.cam-divicon {
  background: transparent;
  border: none;
}

.cam-icon {
  width: 100%;
  height: 100%;
  transform-origin: center center;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.55));
}

.cam-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  display: block;
}

/* --- Tooltip --- */

.leaflet-tooltip {
  background: var(--ink-900) !important;
  color: var(--text-200) !important;
  border: 1px solid var(--ink-500) !important;
  border-radius: 1px !important;
  font-family: 'IBM Plex Mono', monospace !important;
  font-size: 0.62rem !important;
  letter-spacing: 0.04em;
  padding: 2px 7px !important;
  box-shadow: none !important;
}
.leaflet-tooltip-top::before { border-top-color: var(--ink-500) !important; }

/* --- Info icon + popover (inline term definitions) --- */

.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  padding: 0;
  margin-left: 4px;
  background: none;
  border: none;
  color: var(--text-400);
  cursor: pointer;
  vertical-align: middle;
  flex-shrink: 0;
  transition: color 0.12s;
}

.info-btn:hover,
.info-btn:focus-visible,
.info-btn[data-active="true"] {
  color: var(--accent-magenta);
  outline: none;
}

.info-btn svg {
  width: 100%;
  height: 100%;
  display: block;
}

.info-popover {
  position: fixed;
  z-index: 4000;
  display: none;
  background: var(--ink-800);
  border: 1px solid var(--ink-500);
  border-top: 3px solid var(--accent-magenta);
  border-radius: 2px;
  padding: 10px 14px 12px;
  color: var(--text-200);
  max-width: 280px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
}

.info-popover[data-open="true"] { display: block; }

.info-popover-title {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--text-100);
  margin-bottom: 3px;
}

.info-popover-body {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-200);
}

.info-popover-body p { margin: 5px 0 0; }
.info-popover-body p:first-child { margin-top: 0; }

.info-popover-body code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent-gold);
  background: var(--ink-700);
  padding: 1px 4px;
  border-radius: 1px;
}

.info-popover-arrow {
  position: absolute;
  top: -5px;
  width: 8px;
  height: 8px;
  background: var(--ink-800);
  border-top: 2px solid var(--accent-magenta);
  border-left: 1px solid var(--ink-500);
  transform: rotate(45deg);
  /* left is set inline by the positioning JS */
}

/* --- About modal --- */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
}

.modal[open] { display: block; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 18, 0.78);
}

.modal-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(640px, calc(100vw - 28px));
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--ink-800);
  border: 1px solid var(--ink-500);
  border-top: 3px solid var(--accent-magenta);
  border-radius: 2px;
  padding: 22px 28px 20px;
  color: var(--text-200);
  font-size: 0.82rem;
  line-height: 1.62;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
}

.modal-close {
  position: absolute;
  top: 8px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-400);
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}
.modal-close:hover { color: var(--accent-magenta); }

.modal-card .eyebrow { margin-bottom: 6px; }

.modal-card h2 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.55rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-100);
  margin-bottom: 12px;
}

.modal-card h3 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-100);
  margin: 22px 0 6px;
  letter-spacing: -0.01em;
  padding-top: 14px;
  border-top: 1px solid var(--ink-600);
}

.modal-card h3:first-of-type { padding-top: 14px; }

.modal-card p { margin: 8px 0; font-size: 0.84rem; }
.modal-card p.muted { color: var(--text-400); font-size: 0.78rem; }
.modal-card p.small { font-size: 0.74rem; }

.modal-card .dateline {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-magenta);
}

.modal-card code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  color: var(--accent-gold);
  background: var(--ink-700);
  padding: 1px 5px;
  border-radius: 1px;
}

.txt-list {
  margin: 8px 0 8px;
  padding-left: 20px;
  font-size: 0.82rem;
  color: var(--text-200);
  line-height: 1.58;
}
.txt-list li { margin: 5px 0; }
.txt-list strong { color: var(--text-100); }

body.modal-open { overflow: hidden; }

/* --- Scrollbar --- */

#filter-bar::-webkit-scrollbar { height: 4px; }
#filter-bar::-webkit-scrollbar-track { background: transparent; }
#filter-bar::-webkit-scrollbar-thumb { background: var(--ink-500); border-radius: 2px; }

.modal-card::-webkit-scrollbar { width: 6px; }
.modal-card::-webkit-scrollbar-track { background: transparent; }
.modal-card::-webkit-scrollbar-thumb { background: var(--ink-600); border-radius: 3px; }

/* --- Mobile --- */

@media (max-width: 820px) {
  #masthead {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.7rem 0.9rem 0.55rem;
  }
  .h1-main { font-size: 1.3rem; }
  .dek { font-size: 0.66rem; gap: 0.55rem; row-gap: 0.3rem; }
  .dek-cell .num { font-size: 0.82rem; }

  #nav {
    gap: 5px;
    width: 100%;
    row-gap: 5px;
  }
  .nav-link, .nav-link-bare {
    padding: 0.42rem 0.65rem;
    font-size: 0.7rem;
  }
  .nav-cta {
    padding: 0.45rem 0.7rem 0.45rem 0.8rem;
    font-size: 0.74rem;
    flex: 1;
    justify-content: center;
  }

  #filter-bar {
    flex-wrap: wrap;
    padding: 0.5rem 0.9rem;
    gap: 0.55rem;
    row-gap: 0.5rem;
  }
  .filter-label {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
  }
  .filter-chips {
    flex-wrap: wrap;
    gap: 5px;
  }
  .chip {
    padding: 7px 10px 7px 9px;
    font-size: 0.72rem;
    min-height: 32px;
  }
  .chip .num { font-size: 0.7rem; }
  .filter-actions {
    margin-left: 0;
    flex-wrap: wrap;
    width: 100%;
    gap: 8px;
    justify-content: flex-start;
  }
  .filter-pill {
    padding: 7px 12px;
    font-size: 0.72rem;
    min-height: 32px;
  }
  .filter-link {
    padding: 6px 10px;
    font-size: 0.72rem;
    min-height: 32px;
    border: 1px solid var(--ink-500);
    border-radius: 2px;
  }
  .filter-divider { display: none; }
  .filter-hint { display: none; }

  #overlay-panel {
    bottom: 12px;
    left: 8px;
    right: 8px;
    min-width: 0;
    max-width: none;
    font-size: 0.7rem;
    padding: 10px 12px 8px;
  }
  #overlay-panel.collapsed {
    padding: 8px 12px;
  }
  #overlay-panel.collapsed .overlay-row,
  #overlay-panel.collapsed .panel-note { display: none; }
  .panel-head {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 7px;
  }
  .panel-head::after {
    content: '−';
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
    color: var(--accent-cyan);
    font-weight: 700;
  }
  #overlay-panel.collapsed .panel-head {
    padding-bottom: 0;
    border-bottom: none;
    margin-bottom: 0;
  }
  #overlay-panel.collapsed .panel-head::after { content: '+'; }
  .overlay-row { padding: 6px 0; }
  .check-box { width: 16px; height: 16px; }
  .overlay-row input:checked + .check-box::after {
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
  }

  .modal-card { padding: 20px 18px 16px; font-size: 0.82rem; }
  .modal-card h2 { font-size: 1.3rem; }
  .modal-card h3 { font-size: 0.94rem; }
  .modal-card p { font-size: 0.82rem; }
  .modal-close { top: 6px; right: 10px; font-size: 1.6rem; padding: 6px 10px; }
}

@media (max-width: 480px) {
  #masthead { padding: 0.55rem 0.7rem 0.45rem; }
  .h1-main { font-size: 1.15rem; }
  .dek { row-gap: 0.3rem; }
  .cam-popup { font-size: 0.74rem; min-width: 180px; }

  /* On the narrowest screens, compress the filter row further. */
  .chip { font-size: 0.7rem; padding: 6px 9px; }
  .filter-pill { font-size: 0.7rem; }
}