:root {
  --bg: #ece9e3;
  --bg-accent: #d7e0d8;
  --panel: #ffffffd1;
  --text: #132018;
  --muted: #425448;
  --action: #1d7a46;
  --action-dark: #145a33;
  --route: #0057ff;
  --start: #ff7f0e;
  --exit: #188d3f;
  --node: #4f5d68;
  --shadow: 0 14px 36px #12221733;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 20%, #f6f2eb 0%, transparent 38%),
    radial-gradient(circle at 82% 10%, #dbe7db 0%, transparent 42%),
    linear-gradient(145deg, var(--bg) 0%, var(--bg-accent) 100%);
}

.layout {
  max-width: 1300px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
}

.panel,
.map-wrap {
  background: var(--panel);
  border: 1px solid #ffffffa6;
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(5px);
}

.panel {
  padding: 20px;
  position: sticky;
  top: 14px;
}

h1 {
  margin: 0 0 10px;
  font-size: 1.7rem;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--muted);
}

.actions {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--muted);
}

.floor-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.floor-chip {
  color: var(--text);
  background: #eef4ef;
  border: 1px solid #cfdccf;
  box-shadow: inset 0 0 0 1px #ffffff80;
}

.floor-chip.is-active {
  color: white;
  background: linear-gradient(120deg, var(--action-dark) 0%, var(--action) 100%);
  border-color: transparent;
}

select {
  border: 1px solid #cdd7cd;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

select:focus {
  outline: 2px solid #7ab88f;
  outline-offset: 2px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-family: inherit;
  font-weight: 700;
  color: white;
  background: linear-gradient(120deg, var(--action) 0%, #2a994d 100%);
  cursor: pointer;
  transition: transform 0.18s ease, filter 0.18s ease;
}

button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.status {
  margin-top: 18px;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #1f4730;
  background: #f4faf5;
  border-left: 4px solid var(--action-dark);
  border-radius: 10px;
  padding: 10px 12px;
}

.map-wrap {
  padding: 12px;
  overflow: hidden;
}

#mapCanvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  touch-action: none;
  transform-origin: center;
  animation: reveal 550ms ease;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: scale(0.985) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .panel {
    position: static;
  }
}