:root {
  --bg: #05060a;
  --bg-panel: #11141b;
  --accent: #4da3ff;
  --accent-soft: rgba(77, 163, 255, 0.15);
  --text: #f5f7ff;
  --muted: #7b8190;
  --border: #222633;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #15192a 0, #05060a 55%);
  color: var(--text);
}

#app {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
  height: 100vh;
}

/* Map area */

#map {
  position: relative;
  background: #020308;
  border-right: 1px solid var(--border);
}

/* UI area */

#ui {
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, #05060a 0, #0b0d14 40%, #05060a 100%);
}

/* Toolbar */

#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 6, 10, 0.9);
  backdrop-filter: blur(12px);
}

#toolbar h1 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

#toolbar-buttons {
  display: flex;
  gap: 0.5rem;
}

.button {
  border: 1px solid var(--border);
  background: rgba(10, 12, 20, 0.9);
  color: var(--text);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

.button:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Panels */

#panels {
  flex: 1;
  padding: 0.75rem;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel {
  background: var(--bg-panel);
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0.75rem 0.9rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.panel-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.badge {
  font-size: 0.65rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.panel-body {
  font-size: 0.8rem;
  color: var(--text);
}

/* Responsive */

@media (max-width: 900px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-rows: 1.3fr 1fr;
  }

  #map {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}