/* ============================================================================
   Citibike near Crown Heights — Citi Bike inspired theme
   Self-contained (no external token sheet). Citi Bike blue chrome, friendly
   rounded cards, Interstate-flavored type (Overpass), green→amber availability.
   All JS hooks preserved: #live-status, #refresh-btn, .station, .num, .flag,
   .muted-cell, .cb-marker/.cb-ebike/.cb-origin, .dot legend swatches.
   ============================================================================ */

:root {
  /* Citi Bike palette */
  --cb-blue:        #1A66B0;   /* primary brand blue */
  --cb-blue-dark:   #134E86;   /* hover / pressed    */
  --cb-blue-deep:   #0C3A66;   /* hero banner base   */
  --cb-blue-tint:   #E8F1FA;   /* light fill         */
  --cb-blue-line:   #C6DCF0;

  --cb-red:         #E0301E;   /* Citi red accent — origin */
  --cb-orange:      #F2960A;   /* e-bikes / low availability */

  --ink:            #16202E;   /* primary text  */
  --ink-subtle:     #586172;   /* secondary text */
  --bg:             #EEF2F6;   /* page background */
  --surface:        #FFFFFF;
  --line:           #DFE5EC;
  --line-strong:    #CAD3DE;

  /* availability ramp (matches Citi Bike map intent) */
  --avail-good:   #1E9E57;
  --avail-ok:     #5BBE6A;
  --avail-low:    #F2960A;
  --avail-empty:  #AEB7C4;
  --avail-origin: var(--cb-red);
  --ebike-accent: var(--cb-orange);

  --radius-card: 14px;
  --radius-ctrl: 9px;
  --shadow-card: 0 1px 2px rgba(16,32,46,0.06), 0 6px 18px rgba(16,32,46,0.06);
  --shadow-pop:  0 6px 24px rgba(16,32,46,0.16);

  --font: 'Overpass', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { font-size: 16px; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ic { fill: currentColor; flex: none; display: inline-block; }

/* ---------------- hero banner (Citi Bike blue) ---------------- */
.hero {
  background: var(--cb-blue);
  color: #fff;
  padding-bottom: var(--space, 0);
}
.hero-top {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: rgba(255,255,255,0.16);
  flex: none;
}
.brand-mark svg { width: 26px; height: 26px; fill: #fff; }
.brand-name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}
.brand-word { white-space: nowrap; flex: none; }
.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.7);
  padding: 3px 8px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 999px;
}
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  white-space: nowrap;
  transition: background 120ms ease;
}
.topbar-link:hover { background: rgba(255,255,255,0.26); }
.topbar-link .ic { width: 18px; height: 18px; }

.hero-body {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 24px 48px;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin-bottom: 12px;
}
.hero h1 {
  margin: 0;
  font-size: 2.9rem;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero .sub {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 1.18rem;
  line-height: 1.45;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.34);
  border-radius: 999px;
  padding: 2px 12px 2px 9px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.pill .ic { width: 17px; height: 17px; }

/* ---------------- main + cards ---------------- */
main {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px 56px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px 28px;
  margin-top: 22px;
}
.card:first-child { margin-top: -28px; }   /* lift first card into the banner */

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.section-title {
  display: flex;
  align-items: center;
  gap: 13px;
}
.section-title h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  flex: none;
}
.section-icon .ic { width: 22px; height: 22px; }
.section-icon.live  { background: var(--cb-blue-tint); color: var(--cb-blue); }
.section-icon.avg   { background: #E6F6EC; color: var(--avail-good); }
.section-icon.trips { background: #FDF1DC; color: #C77400; }

.card .sub {
  color: var(--ink-subtle);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 14px 0 0;
  max-width: 80ch;
}
.card .sub a { color: var(--cb-blue); font-weight: 600; }

/* ---------------- live status + refresh ---------------- */
.live-meta { display: flex; align-items: center; gap: 14px; }
#live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-subtle);
}
#live-status::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--avail-good);
  box-shadow: 0 0 0 3px rgba(30,158,87,0.18);
  flex: none;
  animation: live-pulse 1.8s ease-in-out infinite;
}
@keyframes live-pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
@media (prefers-reduced-motion: reduce) { #live-status::before { animation: none; } }

button {
  font: inherit;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--cb-blue);
  background: var(--cb-blue);
  color: #fff;
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}
button:hover { background: var(--cb-blue-dark); border-color: var(--cb-blue-dark); }
button:focus-visible { outline: 3px solid var(--cb-blue-line); outline-offset: 2px; }
button .ic { width: 18px; height: 18px; }

#refresh-btn {
  background: #fff;
  color: var(--cb-blue);
  border-color: var(--line-strong);
}
#refresh-btn:hover { background: var(--cb-blue-tint); border-color: var(--cb-blue-line); color: var(--cb-blue-dark); }

/* ---------------- tables ---------------- */
.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-ctrl);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
}
th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th.num, td.num { text-align: right; }
thead th {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-subtle);
  background: #F5F8FB;
  border-bottom: 1px solid var(--line-strong);
  position: sticky;
  top: 0;
}
tbody td { color: var(--ink); }
tbody td.station, tbody th.station {
  font-weight: 600;
  color: var(--ink);
  white-space: normal;
}
tbody tr { transition: background 120ms ease; }
tbody tr:hover { background: var(--cb-blue-tint); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: none; }

tfoot th, tfoot td {
  font-weight: 800;
  background: #F5F8FB;
  border-top: 2px solid var(--line-strong);
  border-bottom: none;
  color: var(--ink);
}

.station { width: 32%; }
.muted-cell { color: var(--ink-subtle); font-weight: 400; text-align: center; }
.flag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 999px;
  background: #FDECC8;
  color: #8A5A00;
  font-size: 0.72rem;
  font-weight: 700;
  vertical-align: 1px;
}

/* ---------------- map ---------------- */
#map {
  height: 470px;
  margin-top: 22px;
  border-radius: var(--radius-ctrl);
  border: 1px solid var(--line);
  overflow: hidden;
  z-index: 0;
}
.leaflet-container { font: inherit; background: var(--line); }
.leaflet-control-zoom a {
  border-radius: 8px !important;
  color: var(--ink);
  box-shadow: var(--shadow-pop);
  border: none;
}
.leaflet-bar { border: none; box-shadow: none; }
.leaflet-popup-content-wrapper { border-radius: 12px; box-shadow: var(--shadow-pop); }
.leaflet-popup-content { margin: 13px 15px; font-size: 0.9rem; line-height: 1.5; }
.leaflet-popup-content strong { font-weight: 700; }

/* ---------------- legend ---------------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-subtle);
  align-items: center;
}
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { font-style: normal; }
.dot { display: inline-block; width: 13px; height: 13px; border-radius: 50%; flex: none; }
.dot.good { background: var(--avail-good); }
.dot.ok { background: var(--avail-ok); }
.dot.low { background: var(--avail-low); }
.dot.empty { background: var(--avail-empty); }
.dot.origin { background: var(--avail-origin); }
.bolt { color: var(--ebike-accent); font-size: 1.05em; }

/* ---------------- Leaflet markers (JS-injected divIcons) ---------------- */
.cb-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: #fff;
  font-family: var(--font);
  font-weight: 700;
  font-size: 15px;
  border: 2.5px solid #fff;
  box-shadow: 0 2px 7px rgba(16,32,46,0.35);
  position: relative;
  transition: transform 120ms ease;
}
.cb-marker:hover { transform: scale(1.12); z-index: 500; }
.cb-marker.good { background: var(--avail-good); }
.cb-marker.ok { background: var(--avail-ok); }
.cb-marker.low { background: var(--avail-low); }
.cb-marker.empty { background: var(--avail-empty); color: #fff; }
.cb-ebike {
  position: absolute;
  bottom: -6px; right: -7px;
  background: #fff;
  color: var(--ebike-accent);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  padding: 1px 5px;
  line-height: 14px;
  box-shadow: 0 1px 4px rgba(16,32,46,0.3);
  white-space: nowrap;
}
.cb-origin {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--avail-origin);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(224,48,30,0.28), 0 1px 5px rgba(16,32,46,0.45);
}

/* ---------------- range controls ---------------- */
.range-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
  padding: 14px 16px;
  background: #F5F8FB;
  border: 1px solid var(--line);
  border-radius: var(--radius-ctrl);
}
.range-controls label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-subtle);
}
.range-controls input,
.range-controls select {
  font: inherit;
  font-size: 0.92rem;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
.range-controls input:focus-visible,
.range-controls select:focus-visible {
  outline: 3px solid var(--cb-blue-line);
  outline-offset: 1px;
  border-color: var(--cb-blue);
}
.range-summary {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-subtle);
  margin-left: auto;
}

/* ---------------- footer ---------------- */
footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 24px 64px;
  color: var(--ink-subtle);
  font-size: 0.82rem;
  line-height: 1.6;
}
footer p { margin: 0; max-width: 84ch; }
footer a { color: var(--cb-blue); font-weight: 600; }

/* ---------------- responsive ---------------- */
@media (max-width: 640px) {
  .hero-top { padding: 14px 18px; }
  .hero-body { padding: 14px 18px 40px; }
  .hero h1 { font-size: 2rem; }
  .hero .sub { font-size: 1.05rem; }
  .brand-sub { display: none; }
  main { padding: 0 18px 40px; }
  .card { padding: 22px 18px; }
  .card:first-child { margin-top: -24px; }
  .section-title h2 { font-size: 1.3rem; }
  th, td { padding: 11px 11px; }
  .station { width: auto; }
  #map { height: 350px; }
  .range-summary { margin-left: 0; flex-basis: 100%; }
}