:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #111111);
  --hint: var(--tg-theme-hint-color, #6b7280);
  --link: var(--tg-theme-link-color, #2563eb);
  --btn: var(--tg-theme-button-color, #2ea6ff);
  --btn-text: var(--tg-theme-button-text-color, #ffffff);

  /* Theme-aware surfaces */
  --overlay-bg: rgba(255,255,255,0.90);
  --overlay-border: rgba(0,0,0,0.06);
  --chip-border: rgba(0,0,0,0.12);
  --chip-bg: rgba(0,0,0,0.02);
  --btn-border: rgba(0,0,0,0.12);
  --btn-bg: rgba(0,0,0,0.03);
  --panel-border: rgba(0,0,0,0.08);

  --shadow: rgba(0,0,0,0.18);
}

:root[data-scheme="dark"] {
  --overlay-bg: rgba(17,17,17,0.90);
  --overlay-border: rgba(255,255,255,0.08);
  --chip-border: rgba(255,255,255,0.18);
  --chip-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.16);
  --btn-bg: rgba(255,255,255,0.06);
  --panel-border: rgba(255,255,255,0.12);
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  overflow: hidden;
}

.topbar {
  position: fixed;
  z-index: 1001;
  left: 0;
  right: 0;
  top: 0;
  padding: 10px 12px 8px;
  background: var(--overlay-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--overlay-border);
}

.title {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}

.subtitle {
  font-size: 12px;
  color: var(--hint);
  margin-top: 2px;
}

.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 8px;
  -webkit-overflow-scrolling: touch;
}

.chip {
  white-space: nowrap;
  font-size: 12px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

.chip.active {
  background: var(--btn);
  color: var(--btn-text);
  border-color: transparent;
}

.map {
  position: fixed;
  inset: 0;
  /* Ensure map panes don't overlay the panel/topbar */
  z-index: 0;
}

/* Simple marker */
.marker {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transform: translate(-50%, -100%);
}

.marker .pin {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--btn);
  box-shadow: 0 6px 14px var(--shadow);
  border: 2px solid rgba(255,255,255,0.9);
}

.panel {
  position: fixed;
  z-index: 1002;
  left: 10px;
  right: 10px;
  bottom: 10px;
  transform: translateY(120%);
  will-change: transform;
  background: var(--bg);
  border-radius: 16px;
  box-shadow: 0 18px 40px var(--shadow);
  border: 1px solid var(--panel-border);
  transition: transform 180ms ease-out;
  padding: 12px;
}

.panel.open {
  transform: translateY(0);
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.panel-title {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
}

.panel-close {
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 0 6px;
  color: var(--hint);
}

.panel-body {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text);
  max-height: 36vh;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.meta {
  margin-top: 8px;
  color: var(--hint);
  font-size: 12px;
  line-height: 1.25;
}

.panel-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.btn {
  flex: 1;
  border-radius: 12px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.btn.primary {
  background: var(--btn);
  border-color: transparent;
  color: var(--btn-text);
}

.toast {
  position: fixed;
  z-index: 1003;
  left: 50%;
  bottom: 80px;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.78);
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease-out;
}

.toast.show {
  opacity: 1;
}