:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: rgba(20, 22, 28, 0.92);
  --panel-border: #2a2e36;
  --fg: #e6e8eb;
  --muted: #9aa0a8;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --input-bg: #1a1d23;
  --input-border: #353a44;
  --error: #f87171;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

/* --- Login screen --- */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(
      1200px 600px at 30% -10%,
      rgba(37, 99, 235, 0.18),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at 90% 110%,
      rgba(220, 38, 38, 0.12),
      transparent 60%
    ),
    var(--bg);
  z-index: 20;
}

.login-card {
  width: 100%;
  max-width: 360px;
  padding: 28px 24px 22px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.login-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.login-tagline {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

#appleid-signin {
  display: flex;
  justify-content: center;
  min-height: 44px;
  margin: 0 auto;
}

.login-error {
  margin-top: 14px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--error);
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 6px;
  text-align: left;
  word-break: break-word;
}

.login-foot {
  margin: 18px 0 0;
  font-size: 11px;
  color: var(--muted);
}

/* --- Map + app --- */
#map {
  position: absolute;
  inset: 0;
}

#appHeader {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--fg);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  z-index: 11;
}

.user-email {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
}

.sign-out {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.sign-out:hover {
  text-decoration: underline;
}

#panel {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 280px;
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 14px 14px 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 10;
}

#panel h1 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg);
}

#panel label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin: 8px 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#panel input,
#panel select {
  width: 100%;
  padding: 6px 8px;
  font-size: 13px;
  color: var(--fg);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  font-family: inherit;
}

#panel input:focus,
#panel select:focus {
  outline: none;
  border-color: var(--accent);
}

#customRange.hidden {
  display: none;
}

#refresh {
  margin-top: 12px;
  width: 100%;
  padding: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-fg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

#refresh:hover {
  filter: brightness(1.1);
}

#refresh:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#status {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  word-break: break-word;
}

#status.error {
  color: var(--error);
}

#legend {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--panel-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 10px;
  font-size: 11px;
  color: var(--muted);
}

#legend .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}

.maplibregl-popup-content {
  background: #1a1d23;
  color: var(--fg);
  border: 1px solid var(--input-border);
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 6px;
}

.maplibregl-popup-tip {
  display: none;
}