/* ============================================================
   BUILDYBOT — APP VIEWER LAYOUT
   (Base stylesheet extended for this app)
   ============================================================ */

/* --- App-specific custom properties (override these) --- */
:root {
  --app-header-height: 48px;
  --app-header-bg: var(--nav-bg);
  --app-header-text: var(--nav-text);
  --app-header-border: var(--border-color);
  --app-header-font-size: 0.88rem;
  --app-header-padding-x: 1rem;
  --app-back-btn-bg: transparent;
  --app-back-btn-color: var(--nav-text);
  --app-back-btn-hover-bg: rgba(255, 255, 255, 0.12);
  --app-back-btn-radius: var(--radius-sm);
  --app-body-bg: var(--bg);
  --app-body-padding: 1rem;
}

/* --- Header bar --- */
.app-viewer-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  height: var(--app-header-height);
  background: var(--app-header-bg);
  color: var(--app-header-text);
  border-bottom: 1px solid var(--app-header-border);
  padding: 0 var(--app-header-padding-x);
  gap: 0.75rem;
  font-size: var(--app-header-font-size);
  transition: background-color var(--transition-speed, 0.2s) ease,
              border-color var(--transition-speed, 0.2s) ease;
}
.app-viewer-header .app-viewer-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app-viewer-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  background: var(--app-back-btn-bg);
  color: var(--app-back-btn-color);
  border: none;
  border-radius: var(--app-back-btn-radius);
  font-size: inherit;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}
.app-viewer-back:hover,
.app-viewer-back:focus-visible {
  background: var(--app-back-btn-hover-bg);
  color: var(--app-back-btn-color);
  text-decoration: none;
}
.app-viewer-back i { font-size: 1.1em; }

/* --- Separator between back button and app name --- */
.app-viewer-sep {
  width: 1px;
  height: 1.2rem;
  background: currentColor;
  opacity: 0.25;
  flex-shrink: 0;
}

/* --- Data storage link (centered in header) --- */
.app-viewer-data-link {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm, 4px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-header-text);
  opacity: 0.7;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s ease, background-color 0.15s ease;
  cursor: pointer;
}
.app-viewer-data-link:hover,
.app-viewer-data-link:focus-visible {
  opacity: 1;
  background: var(--app-back-btn-hover-bg);
  color: var(--app-header-text);
  text-decoration: none;
}

/* --- Right-side slot for optional actions --- */
.app-viewer-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.app-viewer-actions button {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--card-bg, #fff);
  color: var(--text, #000);
  cursor: pointer;
}
.app-viewer-actions button:hover {
  background: var(--card-hover, #f2f2f2);
}

/* --- Main content area beneath the header --- */
.app-viewer-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  background: var(--app-body-bg);
  padding: var(--app-body-padding);
  min-height: calc(100vh - var(--app-header-height));
}
.section {
  padding: 0.25rem 0;
}
.add-city-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 140px;
  gap: 0.5rem;
  align-items: end;
}
.add-city-form input {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.95rem;
}
.add-city-form button {
  padding: 0.55rem;
  border-radius: 6px;
  border: none;
  background: #4caf50;
  color: white;
  cursor: pointer;
}
.hint { color: #666; font-size: 0.85rem; }

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.chart-panel, .table-panel {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
}
.bar-chart { display: flex; flex-direction: column; gap: 0.6rem; padding: 0.25rem 0; }
.bar-row { display: flex; align-items: center; gap: 0.75rem; }
.bar-label { width: 180px; text-align: right; padding-right: 0.5rem; color: #333; font-size: 0.92rem; }
.bar { height: 1.5rem; background: linear-gradient(90deg, #4caf50, #2e7d32); border-radius: 6px; position: relative; flex: 1; min-width: 0; }
.bar-value { position: absolute; right: 6px; top: 0; bottom: 0; display: flex; align-items: center; color: #fff; font-size: 0.8rem; padding: 0 6px; white-space: nowrap; }

/* Table styles */
#cityTable { width: 100%; border-collapse: collapse; }
#cityTable th, #cityTable td { padding: 0.5rem; border-bottom: 1px solid #eee; text-align: left; }
#cityTable thead { background: #f7f7f7; }
.table-controls { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.5rem; flex-wrap: wrap; }
#searchBox { padding: 0.5rem; border: 1px solid var(--border-color); border-radius: 4px; min-width: 180px; }
#sortSelect { padding: 0.4rem; border-radius: 4px; border: 1px solid var(--border-color); }

/* Responsive */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .add-city-form { grid-template-columns: 1fr 1fr 1fr 140px; }
}
@media (max-width: 575.98px) {
  .add-city-form { grid-template-columns: 1fr; }
  .bar-label { width: 100%; text-align: left; }
}