:root{
  --bg: #0f1115;
  --panel: rgba(15,17,21,0.72);
  --ink: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.62);
  --hair: rgba(255,255,255,0.12);
  --hair2: rgba(255,255,255,0.18);
  --accent: rgba(255,255,255,0.88);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  overflow: hidden;
}

.topbar{
  position: fixed;
  left: 0; right: 0; top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  gap: 16px;
  background: linear-gradient(to bottom, rgba(15,17,21,0.92), rgba(15,17,21,0.55), rgba(15,17,21,0));
  z-index: 20;
  pointer-events: none; /* let map drag under header */
}
.topbar .title{ pointer-events: auto; }
.kicker{
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
h1{
  font-size: 18px;
  margin: 4px 0 0 0;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.actions{ pointer-events: auto; }

.btn{
  border: 1px solid var(--hair2);
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
}
.btn:hover{ background: rgba(255,255,255,0.10); }
.btn:active{ transform: translateY(1px); }
.btn-ghost{
  background: transparent;
  border-color: transparent;
  font-size: 18px;
  line-height: 1;
  padding: 6px 10px;
}

.stage{
  position: absolute;
  inset: 0;
  padding-top: 56px; /* header spacing */
}

#map{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.loading{
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted);
  z-index: 10;
  backdrop-filter: blur(10px);
}

.attribution{
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 12px;
  font-size: 12px;
  color: var(--muted);
  z-index: 10;
  backdrop-filter: blur(10px);
  max-width: min(520px, calc(100vw - 32px));
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,0.55);
  z-index: 50;
  padding: 18px;
}
.modal[aria-hidden="true"]{ display: none; }

.modal-card{
  width: min(720px, 100%);
  background: rgba(20,22,28,0.92);
  border: 1px solid var(--hair);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(14px);
}
.modal-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--hair);
}
.modal-title{
  font-weight: 600;
  letter-spacing: 0.02em;
}
.modal-body{
  padding: 14px 16px 16px 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.modal-body strong{ color: var(--ink); }
.modal-body a{ color: var(--accent); text-decoration: none; }
.modal-body a:hover{ text-decoration: underline; }
.note{
  margin-top: 10px;
  font-size: 12px;
  opacity: 0.85;
}