:root {
  color-scheme: dark;
  --bg: #08090a;
  --panel: #0f1011;
  --surface: #191a1b;
  --surface-hover: #28282c;
  --text: #f7f8f8;
  --muted: #8a8f98;
  --border: rgba(255,255,255,.08);
  --border-subtle: rgba(255,255,255,.05);
  --accent: #7170ff;
  --danger: #f87171;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: grid;
  grid-template-rows: 56px 1fr;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "cv01", "ss03";
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.topbar {
  position: relative;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 0 12px 0 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15,16,17,.97);
  backdrop-filter: blur(18px);
}
.product-name {
  color: var(--text);
  font-size: 13px;
  font-weight: 590;
  letter-spacing: .16em;
}
.auth-control {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 11px;
  color: #d0d6e0;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.auth-control:hover { color: var(--text); background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }
.auth-control:focus-visible, .rail-button:focus-visible, .icon-button:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.auth-control svg { width: 17px; height: 17px; }
.auth-control.is-authenticated { width: 36px; padding: 0; justify-content: center; border-radius: 50%; overflow: hidden; }
.auth-control.is-authenticated #auth-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.auth-control img { width: 100%; height: 100%; object-fit: cover; }
.auth-initials { font-size: 11px; font-weight: 590; color: var(--text); }

.workspace { min-height: 0; display: grid; grid-template-columns: 56px minmax(0,1fr); }
.icon-rail {
  position: relative;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 8px;
  background: var(--panel);
  border-right: 1px solid var(--border-subtle);
}
.rail-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  transition: color .16s ease, background .16s ease, border-color .16s ease;
}
.rail-button:hover { color: var(--text); background: rgba(255,255,255,.05); border-color: var(--border-subtle); }
.rail-button svg { width: 18px; height: 18px; stroke-width: 1.8; }

#map { min-width: 0; min-height: 320px; position: relative; background: #d6e2de; }
.map-placeholder { position: absolute; inset: 0; display: grid; place-items: center; color: #31515c; }
.leaflet-container { background: #d6e2de; }
.leaflet-control-attribution { font-size: 10px; }
.leaflet-bar { border: 1px solid rgba(8,9,10,.18) !important; box-shadow: 0 8px 24px rgba(8,9,10,.16) !important; }
.leaflet-bar a { color: #17191b !important; }

.auth-dialog {
  width: min(420px, calc(100vw - 32px));
  padding: 0;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0,0,0,.55);
}
.auth-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; padding: 22px 22px 0; }
.dialog-heading h1 { margin: 5px 0 0; font-size: 22px; font-weight: 510; letter-spacing: -.3px; }
.dialog-kicker { color: var(--accent); font-size: 10px; font-weight: 590; letter-spacing: .14em; }
.icon-button { width: 34px; height: 34px; display: grid; place-items: center; color: var(--muted); background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.icon-button:hover { color: var(--text); background: rgba(255,255,255,.06); }
.icon-button svg { width: 17px; height: 17px; }
.login-form { display: grid; gap: 16px; padding: 24px 22px 22px; }
.login-form label { display: grid; gap: 7px; color: #d0d6e0; font-size: 12px; font-weight: 510; }
.login-form input { width: 100%; height: 42px; padding: 0 12px; color: var(--text); background: rgba(255,255,255,.025); border: 1px solid var(--border); border-radius: 7px; }
.login-form input:hover { border-color: rgba(255,255,255,.14); }
.form-feedback { min-height: 18px; margin: -4px 0 0; color: var(--danger); font-size: 12px; }
.primary-button, .secondary-button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 7px; cursor: pointer; }
.primary-button { color: #fff; background: #5e6ad2; border: 1px solid #7170ff; }
.primary-button:hover { background: #6b75dc; }
.primary-button:disabled { opacity: .55; cursor: wait; }
.primary-button svg, .secondary-button svg { width: 17px; height: 17px; }
.account-panel { padding: 24px 22px 22px; text-align: center; }
.account-avatar { width: 58px; height: 58px; display: grid; place-items: center; margin: 0 auto 13px; overflow: hidden; color: #d0d6e0; background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 50%; }
.account-avatar img { width: 100%; height: 100%; object-fit: cover; }
.account-avatar svg { width: 27px; height: 27px; }
.account-name { margin: 0; font-weight: 510; }
.account-email { margin: 5px 0 20px; color: var(--muted); font-size: 13px; }
.secondary-button { width: 100%; color: #d0d6e0; background: rgba(255,255,255,.03); border: 1px solid var(--border); }
.secondary-button:hover { color: var(--text); background: rgba(255,255,255,.06); }

@media (max-width: 640px) {
  body { grid-template-rows: 52px 1fr; }
  .topbar { padding-left: 14px; }
  .workspace { grid-template-columns: 48px minmax(0,1fr); }
  .icon-rail { padding-inline: 5px; }
  .rail-button { width: 36px; height: 36px; }
  .auth-control:not(.is-authenticated) #auth-label { display: none; }
  .auth-control:not(.is-authenticated) { width: 36px; padding: 0; justify-content: center; }
}