:root {
  --bg: #f3f5f9;
  --panel: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --accent: #16a34a;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: var(--panel);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-email {
  color: var(--muted);
  font-size: 14px;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr 360px;
  gap: 18px;
  padding: 24px 32px 32px;
  flex: 1;
}

.panel {
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  border: 1px solid var(--border);
}

.map-panel {
  padding: 0;
  overflow: hidden;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 520px;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  max-height: calc(100vh - 140px);
}

.section {
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
}

.section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

h2, h3 {
  margin: 0 0 12px;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 12px;
}

.form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.form input,
.form textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 14px;
}

.form textarea {
  resize: vertical;
}

.form.compact {
  gap: 10px;
}

.btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.secondary {
  background: #eef2ff;
  color: var(--primary);
}

.btn.ghost {
  background: #ecfdf3;
  color: var(--accent);
}

.list {
  display: grid;
  gap: 10px;
}

.list-item {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f8fafc;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e2e8f0;
  font-size: 12px;
  color: var(--muted);
}

.message {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 18px 0;
}

#auth-panel {
  max-width: 360px;
}

#map-panel,
#side-panel {
  display: none;
}

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: 1fr;
  }

  #map-panel,
  #side-panel {
    display: block;
  }

  #map {
    min-height: 420px;
  }
}