/* Layout — header, sidebar, canvas, rail-collapse */

.app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: var(--page-pad);
  gap: var(--page-pad);
  background: var(--bg);
}

/* ---------- header ---------- */

.app-header {
  height: var(--header-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  gap: 16px;
  position: relative;
  z-index: 1000;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.brand:hover { color: var(--accent); }

.scope-dropdown {
  position: relative;
}

.scope-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-lg);
  background: var(--chrome);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--duration-fast) var(--easing);
}

.scope-dropdown-toggle:hover { background: var(--chrome-strong); }

.scope-dropdown-toggle .caret {
  font-size: 11px;
  color: var(--text-secondary);
}

.scope-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  margin: 0;
  padding: 6px;
  background: var(--chrome);
  border-radius: var(--radius);
  list-style: none;
  min-width: 180px;
  box-shadow: var(--shadow-card);
  z-index: 9999;
}

.scope-dropdown-menu li {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-primary);
}

.scope-dropdown-menu li:hover { background: var(--chrome-strong); }

.scope-dropdown-menu li.is-active {
  color: var(--accent);
  font-weight: 500;
}

.scope-dropdown-menu li .lot-count {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  user-select: none;
}

.lang-toggle .lang-active   { color: var(--text-primary); font-weight: 500; }
.lang-toggle .lang-inactive { color: var(--text-muted); }
.lang-toggle .lang-sep      { color: var(--text-muted); }

.theme-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--chrome);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--easing);
}

.theme-toggle:hover { background: var(--chrome-strong); }

.theme-toggle .theme-glyph {
  font-size: 16px;
  line-height: 1;
  color: var(--text-primary);
}

.theme-toggle .theme-glyph::before { content: var(--theme-glyph); }

/* ---------- app-body: sidebar + canvas ---------- */

.app-body {
  flex: 1 1 auto;
  display: flex;
  gap: var(--page-pad);
  min-height: 0;
  position: relative;
}

/* ---------- home-screen ---------- */

.home-screen {
  flex: 1 1 auto;
  overflow-y: auto;
  background: var(--chrome);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
}

.home-inner {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.home-about-link-wrap {
  margin-top: auto;
  padding: 24px 0 0;
  display: flex;
  justify-content: center;
}

/* ---------- about-screen ---------- */

.about-screen {
  flex: 1 1 auto;
  overflow-y: auto;
  background: var(--chrome);
  border-radius: var(--radius-lg);
  padding: 24px 32px 48px;
}

.about-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ---------- sidebar ---------- */

.sidebar {
  flex: 0 0 var(--sidebar-w);
  width: var(--sidebar-w);
  background: var(--chrome);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition:
    flex-basis var(--duration) var(--easing),
    width var(--duration) var(--easing);
}

.sidebar.is-collapsed {
  flex-basis: var(--sidebar-rail-w);
  width: var(--sidebar-rail-w);
}

.sidebar-inner {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  opacity: 1;
  transition: opacity var(--duration-fast) var(--easing);
}

.sidebar.is-collapsed .sidebar-inner {
  display: none;
}

.sidebar.is-collapsed .sidebar-toggle {
  display: none;
}

.sidebar.is-collapsed .sidebar-rail {
  display: flex;
}

.tile-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Scrollbar — minimal */
.tile-list::-webkit-scrollbar { width: 8px; }
.tile-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
.tile-list::-webkit-scrollbar-track { background: transparent; }

.sidebar-toggle {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--chrome-strong);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--duration-fast) var(--easing);
}

.sidebar-toggle:hover { background: var(--border-strong); color: var(--text-primary); }

.sidebar-rail {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  background: transparent;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.sidebar-rail:hover { color: var(--text-primary); }

.sidebar-rail-count {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.04em;
  font-size: 12px;
}

.sidebar-rail-chevron {
  font-size: 16px;
}

/* ---------- canvas ---------- */

.canvas {
  flex: 1 1 auto;
  background: var(--chrome);
  border-radius: var(--radius-lg);
  position: relative;
  min-width: 0;
  overflow: hidden;   /* keep the map popup from bleeding into sidebar/header */
}

/* #map is positioned absolutely inside .canvas — the inset provides the gap
   that shows the canvas-chrome rim around the map. */
#map {
  position: absolute;
  inset: var(--canvas-inset);
  border-radius: var(--radius);
  background: var(--map-bg);
  overflow: hidden;
}

/* Map popup (custom, not Leaflet's) */
.map-popup {
  position: absolute;
  z-index: 600;  /* above Leaflet markers (400) and our own controls */
  pointer-events: auto;
  transform: translate(-50%, -100%);
  transition:
    opacity var(--duration-fast) var(--easing),
    transform var(--duration) var(--easing);
}