:root {
  color-scheme: dark;
  --bg: #10161c;
  --panel: rgba(16, 22, 28, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --text: #edf2f4;
  --muted: #9aabae;
  --amber: #ffb703;
  --teal: #7ddec8;
  --danger: #ffb4a2;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.login {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(255, 183, 3, 0.16), transparent 36%),
    var(--bg);
}
.card {
  width: min(420px, 100%);
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(18, 24, 31, 0.95);
}
.eyebrow { margin: 0; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); font-size: 12px; }
h1 { margin: 0; font-size: 32px; }
.lede, .hint, .empty { color: var(--muted); line-height: 1.45; }
label { display: grid; gap: 6px; font-size: 14px; }
input, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0c1116;
}
input::placeholder { color: #6d7c80; }
button {
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--amber);
  color: #1b1403;
  font-weight: 650;
}
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button.selected { outline: 2px solid var(--teal); }
.error { min-height: 1.2em; color: var(--danger); margin: 0; }

#map { position: fixed; inset: 0; background: #0b1014; }
.leaflet-top { top: 58px; }
.leaflet-top.leaflet-right { margin-right: 8px; }
.leaflet-container { font: inherit; background: #0b1014; }

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(16, 22, 28, 0.88), transparent);
}
.conn { margin-left: 8px; color: var(--muted); font-size: 13px; }
.conn[data-state="on"] { color: var(--teal); }

.sheet {
  position: fixed;
  z-index: 600;
  left: 12px; right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  max-height: min(58vh, 560px);
  overflow: auto;
  padding: 8px 16px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
}
.sheet-handle {
  width: 42px; height: 4px; margin: 4px auto 10px;
  border-radius: 99px; background: rgba(255, 255, 255, 0.2);
}
.sheet-head, .row { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.device-name { margin: 0; font-size: 18px; font-weight: 700; }
.presence { margin: 2px 0 0; color: var(--muted); }
.presence[data-state="on"] { color: var(--teal); }
.coords { font-variant-numeric: tabular-nums; }
.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 8px 0; }
.metrics div { padding: 8px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); }
.metrics dt { color: var(--muted); font-size: 12px; }
.metrics dd { margin: 2px 0 0; font-size: 16px; }
.fold {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.fold > summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--text);
}
.fold > summary:hover { color: var(--amber); }
.fold > :not(summary) { margin-top: 8px; }
.sms[data-state="active"], .sms[data-state="reverted"], .sms[data-state="sent"] { color: var(--teal); }
.sms[data-state="not_configured"] { color: var(--amber); }
.sms[data-state="sms_failed"], .sms[data-state="revert_failed"], .sms[data-state="missing_msisdn"], .sms[data-state="failed"] { color: var(--danger); }
.sms-box { display: grid; gap: 8px; margin-top: 12px; }
.sms-actions { display: grid; gap: 8px; }
.sms-actions button, .fold button:not(#btn-connect) { background: #243038; color: var(--text); }
#btn-connect { background: var(--amber); color: #1b1403; }
.demo button { background: #243038; color: var(--text); }
details { color: var(--muted); }
#details { white-space: pre-line; margin: 8px 0 0; }
#follow { background: var(--teal); color: #06221c; }

.tracker-icon { background: transparent; border: 0; }
.arrow {
  width: 18px; height: 18px; margin: 5px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.45);
  position: relative;
}
.arrow::before {
  content: "";
  position: absolute;
  left: 50%; top: -7px;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 9px solid var(--amber);
}

@media (min-width: 860px) {
  .sheet {
    top: 72px; left: 16px; right: auto; bottom: auto;
    width: 380px;
    max-height: calc(100vh - 96px);
  }
  .sheet-handle { display: none; }
}