* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand { font-weight: 700; letter-spacing: 0.3px; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 8px; margin-left: 12px; }
.nav-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  text-decoration: none;
}
.nav-btn:hover { border-color: var(--accent); color: var(--accent); }

.top-actions { display: flex; gap: 6px; align-items: center; margin-left: auto; }

.lang-switch {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
}

.lang-menu {
  position: absolute;
  left: 50%;
  top: 110%;
  transform: translateX(-50%);
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 26px var(--shadow-strong);
  z-index: 150;
}

.lang-switch[data-open="true"] .lang-menu {
  display: flex;
}

.lang-option {
  min-width: 52px;
  justify-content: center;
  font-size: 13px;
  padding-inline: 10px;
}
.top-actions-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(30,30,30,0.95), rgba(18,18,18,0.95));
  box-shadow: 0 10px 28px rgba(0,0,0,0.4);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.top-actions-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(103,132,255,0.4);
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}
.top-actions-toggle__dot {
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,0.85);
  display: block;
  margin: 2px 0;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
}

.app-root { padding: 24px 0 0 }

main.container { flex: 1; }

.site-footer { margin-top: auto; }

.site-footer { border-top: 1px solid var(--border); padding: 16px 0; color: var(--muted); }

/* Buttons */
.btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }


.map .leaflet-control-attribution {
  display: none;
}

/* Language overlay */
.lang-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 200;
}

.lang-overlay[data-open="true"] {
  display: block;
}

.lang-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg, rgba(0,0,0,0.6));
}

.lang-overlay__panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border-radius: 24px;
  box-shadow: 0 18px 40px var(--shadow-strong);
  padding: 16px 16px 12px;
}

.lang-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.lang-overlay__title {
  font-weight: 600;
}

.lang-overlay__list .btn {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

@media (min-width: 641px) {
  .lang-overlay {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .site-header .container {
    gap: 8px;
  }
  .nav {
    display: none;
  }
  .top-actions-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .top-actions {
    position: absolute;
    right: 16px;
    top: 56px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 16px;
    background: var(--card, #111);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 22px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    transform-origin: top right;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }
  .top-actions[data-collapsed="true"] {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(0.92);
  }
  .top-actions[data-collapsed="false"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scale(1);
  }
  .top-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .lang-switch {
    width: 100%;
  }
  .lang-menu {
    position: static;
    left: auto;
    transform: none;
    width: 100%;
    margin-top: 4px;
  }
  #auth-slot .btn {
    width: 100%;
  }
}

/* Scroll to top button */
.scroll-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  z-index: 99;
  box-shadow: 0 4px 12px var(--shadow-strong);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
}

.scroll-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.scroll-to-top:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px var(--shadow-strong);
}

.scroll-to-top:active {
  transform: scale(0.95);
}

@media (max-width: 640px) {
  .scroll-to-top {
    bottom: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}