/* ---------- Fuel Tracker — light theme, brand: navy + green ---------- */
:root {
  /* Brand */
  --navy:      #1f4d8f;
  --navy-2:    #0f2444;
  --green:     #34c759;
  --green-2:   #00b86b;
  --sky:       #4da3ff;
  --gradient:  linear-gradient(135deg, #1f4d8f 0%, #34c759 100%);
  --gradient-soft: linear-gradient(135deg, rgba(31,77,143,0.10) 0%, rgba(52,199,89,0.10) 100%);

  /* Neutrals */
  --bg:        #f5f7fb;
  --surface:   #ffffff;
  --surface-2: #f0f3f8;
  --border:    #e3e8ef;
  --text:      #0f2444;
  --text-2:    #5b6c84;
  --text-3:    #93a1b6;
  --danger:    #ef4444;
  --warning:   #f59e0b;

  /* Map (stays dark for contrast) */
  --map-bg:    #0f1d33;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(15,36,68,0.06);
  --shadow:    0 1px 3px rgba(15,36,68,0.06), 0 4px 12px rgba(15,36,68,0.06);
  --shadow-lg: 0 8px 24px rgba(15,36,68,0.10), 0 2px 6px rgba(15,36,68,0.05);
  --radius:    14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--green-2); }
.muted { color: var(--text-2); }

/* ---------- App bar ---------- */
.appbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy-2);
}
.brand-logo {
  width: 38px; height: 38px;
  flex-shrink: 0;
}
.brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--navy-2);
}
.brand-name span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.searchbar {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 4px 4px 14px;
  max-width: 540px;
  width: 100%;
  justify-self: center;
  transition: border-color 120ms, box-shadow 120ms, background 120ms;
}
.searchbar:focus-within {
  background: var(--surface);
  border-color: var(--navy);
  box-shadow: 0 0 0 4px rgba(31,77,143,0.10);
}
.searchbar-icon {
  width: 18px; height: 18px;
  color: var(--text-2);
  margin-right: 8px;
}
.searchbar input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 9px 4px;
  font: inherit;
  color: var(--text);
  outline: none;
}
.searchbar input::placeholder { color: var(--text-3); }
.searchbar-go {
  background: var(--gradient);
  color: #fff;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
  transition: filter 120ms, transform 120ms;
}
.searchbar-go:hover { filter: brightness(1.05); transform: translateY(-1px); }

.mode-pill {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: all 150ms;
  white-space: nowrap;
}
.mode-tab svg { width: 16px; height: 16px; }
.mode-tab:hover { color: var(--navy-2); }
.mode-tab.active {
  background: var(--surface);
  color: var(--navy-2);
  box-shadow: var(--shadow-sm);
}
.mode-tab[data-mode="fuel"].active { color: var(--navy); }
.mode-tab[data-mode="ev"].active { color: var(--green-2); }

.iconbtn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  display: inline-flex;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 150ms;
}
.iconbtn:hover { color: var(--navy); border-color: var(--navy); }
.iconbtn svg { width: 18px; height: 18px; }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 320px 380px 1fr;
  gap: 16px;
  padding: 16px 20px;
  align-items: stretch;
  min-height: calc(100vh - 64px - 40px);
}
@media (max-width: 1200px) {
  .layout { grid-template-columns: 300px 340px 1fr; }
}
@media (max-width: 1000px) {
  .layout { grid-template-columns: 1fr 1fr; }
  .map-area { grid-column: 1 / -1; height: 360px; }
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .map-area { height: 320px; }
  .appbar { grid-template-columns: auto auto; gap: 10px; padding: 10px 14px; }
  .searchbar, .mode-pill { grid-column: 1 / -1; }
}

.sidebar {
  display: grid;
  gap: 12px;
  align-content: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 4px;
}
.sidebar.hidden { display: none; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.card-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-2);
  letter-spacing: 0.1px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}
.card-icon { width: 16px; height: 16px; color: var(--navy); }
.card-sub {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 12.5px;
}
.hint-text {
  margin: 6px 0 0;
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.45;
}

/* ---------- Inputs ---------- */
input[type="text"], input[type="number"], select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  font: inherit;
  font-size: 14px;
  width: 100%;
  transition: border-color 120ms, box-shadow 120ms;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus {
  outline: 0;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(31,77,143,0.10);
}
input[type="number"] { font-variant-numeric: tabular-nums; }

input[type="range"] {
  width: 100%;
  accent-color: var(--navy);
}
[data-mode-panel="ev"] input[type="range"] { accent-color: var(--green-2); }

.input-block { width: 100%; }

.field {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
}
.field span { display: block; margin-bottom: 4px; }
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.field-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.field-inline span { margin: 0; }
.field-inline select { width: auto; }

/* ---------- Buttons ---------- */
.btn-primary {
  background: var(--gradient);
  color: #fff;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 120ms, filter 120ms, box-shadow 200ms;
  box-shadow: 0 4px 14px rgba(31,77,143,0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-primary.full { width: 100%; }

/* ---------- Fuel gauge ---------- */
.gauge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.gauge-end {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-3);
  width: 14px;
  text-align: center;
}
.gauge-bar {
  flex: 1;
  display: flex;
  gap: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 5px;
  min-height: 42px;
}
.gauge-seg {
  flex: 1;
  border-radius: 6px;
  background: #d8dee9;
  cursor: pointer;
  transition: background 140ms ease, transform 100ms;
}
.gauge-seg:hover { transform: scaleY(1.05); }
.gauge-seg.on-low  { background: linear-gradient(180deg, #fb7185, #ef4444); box-shadow: 0 1px 4px rgba(239,68,68,0.4); }
.gauge-seg.on-mid  { background: linear-gradient(180deg, #fbbf24, #f59e0b); box-shadow: 0 1px 4px rgba(245,158,11,0.4); }
.gauge-seg.on-high { background: linear-gradient(180deg, #4ade80, #16a34a); box-shadow: 0 1px 4px rgba(34,197,94,0.4); }

.readout {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-variant-numeric: tabular-nums;
}
.readout b { color: var(--navy-2); }

/* ---------- Battery ---------- */
.battery {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 4px 0 6px;
}
.battery-shell {
  position: relative;
  flex: 1;
  height: 48px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.battery-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--green), var(--sky));
  transition: width 250ms ease, background 200ms;
}
.battery-fill.low { background: linear-gradient(90deg, #f87171, #ef4444); }
.battery-fill.mid { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.battery-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.25);
  font-variant-numeric: tabular-nums;
}
.battery-tip {
  width: 5px; height: 22px;
  background: var(--border);
  border-radius: 0 3px 3px 0;
}

/* ---------- Chips ---------- */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip { display: inline-flex; cursor: pointer; user-select: none; }
.chip input { display: none; }
.chip span {
  display: inline-block;
  padding: 7px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  transition: all 130ms;
}
.chip:hover span { color: var(--navy); border-color: var(--navy); }
.chip input:checked + span {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
}
[data-mode-panel="ev"] .chip:hover span { border-color: var(--green-2); color: var(--green-2); }
[data-mode-panel="ev"] .chip input:checked + span {
  background: linear-gradient(135deg, #00b86b, #34c759);
  color: #fff;
}

/* ---------- Results list ---------- */
.results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}
.results-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
}
.results-header h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--navy-2);
  letter-spacing: -0.2px;
}
.results-meta {
  display: block;
  margin-top: 2px;
  color: var(--text-2);
  font-size: 12.5px;
}

.results-cards {
  display: grid;
  gap: 10px;
  align-content: start;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
  padding-right: 2px;
}
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  text-align: center;
}
.empty-icon {
  width: 36px; height: 36px;
  color: var(--text-3);
}

/* Station card (the big-price row) */
.st-card {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 200ms ease, border-color 200ms;
  animation: fadeIn 200ms ease-out both;
}
.st-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); border-color: var(--navy); }
.st-card.cheapest {
  border-color: rgba(52,199,89,0.55);
  box-shadow: 0 0 0 3px rgba(52,199,89,0.10), var(--shadow-sm);
}
.st-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-soft);
  color: var(--navy);
}
.st-icon svg { width: 22px; height: 22px; }
.st-card.cheapest .st-icon { background: linear-gradient(135deg, rgba(52,199,89,0.15), rgba(0,184,107,0.20)); color: var(--green-2); }
.ev-card .st-icon { background: rgba(77,163,255,0.12); color: var(--sky); }

.st-main { min-width: 0; }
.st-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--navy-2);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.st-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.st-tag.petrol { background: rgba(31,77,143,0.10); color: var(--navy); }
.st-tag.diesel { background: rgba(15,36,68,0.10); color: var(--navy-2); }
.st-tag.cheap  { background: var(--green); color: #fff; }
.st-tag.rapid  { background: rgba(77,163,255,0.18); color: var(--sky); }
.st-tag.free   { background: rgba(52,199,89,0.18); color: var(--green-2); }
.st-tag.dot::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.st-meta {
  margin-top: 3px;
  color: var(--text-2);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.st-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-3); display: inline-block; }
.st-meta .ok { color: var(--green-2); font-weight: 600; }
.st-meta .na { color: var(--text-3); font-style: italic; }

.st-price {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.st-price .price-big {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--navy-2);
  line-height: 1;
}
.st-price .price-unit {
  display: block;
  font-size: 11px;
  color: var(--text-2);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.st-price .savings {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--green-2);
}
.st-price .savings.zero { color: var(--text-3); font-weight: 500; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Map ---------- */
.map-area {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  min-height: 0;
}
.map {
  height: 100%;
  width: 100%;
  background: var(--map-bg);
  contain: layout paint;
}
@media (min-width: 1001px) {
  .map { height: calc(100vh - 100px); }
}

/* Leaflet popup theming */
.leaflet-popup-content-wrapper {
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}
.leaflet-popup-tip { background: var(--surface); }
.leaflet-popup-content { font-size: 13px; line-height: 1.4; margin: 12px 14px; }
.leaflet-popup-content b { color: var(--navy); }

/* Custom map marker (pump-shaped pin) */
.ft-marker {
  width: 36px; height: 44px;
  position: relative;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.35));
  cursor: pointer;
  animation: pinDrop 250ms ease-out;
}
.ft-marker svg { width: 100%; height: 100%; }
@keyframes pinDrop { from { transform: translateY(-8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Loader */
.ev-loader {
  position: absolute;
  inset: 0;
  background: rgba(15,29,51,0.78);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 600;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  pointer-events: none;
}
.spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,0.18);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ---------- Footer ---------- */
.footer {
  padding: 12px 20px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-2);
}
.footer code {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11.5px;
}

/* Scrollbar */
.sidebar::-webkit-scrollbar, .results-cards::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb, .results-cards::-webkit-scrollbar-thumb {
  background: var(--border); border-radius: 3px;
}