html, body {
  overflow: hidden;
  height: 100%;
  width: 100%;
  margin: 0;
}

.app-shell {
  width: 100%;
  height: 100%;
  max-width: 100vw;
  max-height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-areas: "sidebar map";
  background: #f3f6f9;
}

.topics-panel {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  border-right: 1px solid #d8dde6;
  background: #fff;
  min-width: 320px;
}

.topics-header {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #d8dde6;
}

.topics-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.topics-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: #16325c;
}

.sidebar-close-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 0.45rem;
  background: #f0f2f6;
  color: #54698d;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.sidebar-close-btn:hover {
  background: #e2e8f0;
  color: #16325c;
}

.topics-subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: #54698d;
  line-height: 1.3;
}

.topics-form {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #d8dde6;
}

.topic-input {
  width: 100%;
  border: 1px solid #d8dde6;
  border-radius: 0.45rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.88rem;
  color: #16325c;
  background: #fff;
  resize: vertical;
  min-height: 88px;
}

.topic-submit {
  width: 100%;
  margin-top: 0.6rem;
  border: 1px solid #0b5cab;
  border-radius: 0.45rem;
  background: #0176d3;
  color: #fff;
  padding: 0.5rem 0.7rem;
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
}

.topic-submit:hover {
  background: #0b5cab;
}

.topic-submit:disabled {
  opacity: 0.65;
  cursor: default;
}

.topic-error {
  margin: 0;
  padding: 0.4rem 1rem;
  color: #b42318;
  font-size: 0.77rem;
}

.topic-history {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.8rem;
}

.topic-history-title {
  margin: 0 0 0.5rem;
  color: #54698d;
  font-size: 0.75rem;
}

.topic-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.topic-item {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: #16325c;
  border-radius: 0.4rem;
  padding: 0.48rem 0.55rem;
  font-size: 0.84rem;
  cursor: pointer;
}

.topic-item:hover {
  background: #eef4ff;
  border-color: #d8e6fb;
}

.topic-item-active {
  background: #d8e6fb;
  border-color: #b0d0f6;
  font-weight: 600;
}

.topic-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.topic-row .topic-item {
  flex: 1 1 auto;
}

.topic-menu-wrap {
  position: relative;
  flex: 0 0 auto;
}

.topic-menu-trigger {
  border: 1px solid #d8dde6;
  border-radius: 0.35rem;
  background: #fff;
  color: #54698d;
  font-weight: 700;
  line-height: 1;
  padding: 0.38rem 0.48rem;
  min-width: 2rem;
  cursor: pointer;
}

.topic-menu-trigger:hover {
  background: #eef4ff;
  color: #16325c;
}

.topic-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  z-index: 12;
  min-width: 140px;
  border: 1px solid #d8dde6;
  border-radius: 0.45rem;
  background: #fff;
  box-shadow: 0 4px 14px rgba(2, 6, 23, 0.13);
  padding: 0.25rem;
}

.topic-menu-item {
  width: 100%;
  border: 0;
  background: transparent;
  border-radius: 0.35rem;
  text-align: left;
  padding: 0.4rem 0.5rem;
  color: #16325c;
  font-size: 0.82rem;
  cursor: pointer;
}

.topic-menu-item:hover {
  background: #eef4ff;
}

.topic-menu-item-danger {
  color: #b42318;
}

.map-panel {
  grid-area: map;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #eef2f8;
}

.map-area {
  position: absolute;
  inset: 0;
  min-width: 0;
  min-height: 0;
}

/* Desktop: when details open, flex row so map and panel side-by-side (map not overlapped) */
@media (min-width: 1025px) {
  .map-panel.details-open {
    display: flex;
    flex-direction: row;
  }
  .map-panel.details-open .map-area {
    position: relative;
    flex: 1;
    min-width: 0;
  }
  .map-panel.details-open .topic-detail-panel {
    position: relative;
    flex: 0 0 400px;
    top: auto;
    right: auto;
    bottom: auto;
    border-radius: 0;
    box-shadow: none;
    border-left: 1px solid #e8eaf0;
  }
}

#map-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Topic detail panel: floating on mobile, in-flow on desktop when details-open */
.topic-detail-panel {
  position: absolute;
  top: 1rem;
  right: 1rem;
  bottom: 1rem;
  width: min(380px, calc(100vw - 2rem));
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border: 1px solid #e8eaf0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1000;
}

.topic-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1rem 1rem 0.5rem;
  border-bottom: 1px solid #e8eaf0;
}

.topic-detail-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #16325c;
  line-height: 1.3;
  flex: 1 1 auto;
}

.topic-detail-close {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 0.5rem;
  background: #f0f2f6;
  color: #54698d;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.topic-detail-close:hover {
  background: #ffb5c2;
  color: #c71585;
}

.topic-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.5rem 1rem;
  font-size: 0.72rem;
  color: #54698d;
}

.topic-detail-tabs {
  display: flex;
  gap: 0;
  padding: 0 1rem;
  border-bottom: 1px solid #e8eaf0;
  flex-shrink: 0;
}

.topic-detail-tab {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #54698d;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  margin-bottom: -1px;
}

.topic-detail-tab:hover {
  color: #16325c;
}

.topic-detail-tab-active {
  color: #7c3aed;
  border-bottom-color: #7c3aed;
}

.topic-detail-tab-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 0;
}

.topic-detail-tab-pane {
  display: none;
  padding: 0.75rem 1rem;
}

.topic-detail-tab-pane-active {
  display: block;
}

.topic-detail-chart-label {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #7c3aed;
}

.topic-detail-no-traits {
  margin: 0.5rem 0;
  font-size: 0.85rem;
  color: #54698d;
}

.topic-detail-section {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e8eaf0;
  overflow: auto;
}

.topic-detail-section-title {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #7c3aed;
}

.topic-detail-traits {
  margin: 0;
  padding: 0 0 0 1rem;
  list-style: none;
  font-size: 0.82rem;
  color: #334155;
}

.topic-detail-trait {
  margin: 0.25rem 0;
}

.topic-detail-trait .trait-key {
  font-weight: 600;
  color: #5b21b6;
}

.topic-detail-charts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e8eaf0;
}

.topic-detail-chart-wrap {
  flex: 1 1 280px;
  min-height: 220px;
  max-width: 100%;
  margin-bottom: 1rem;
}

.topic-detail-chart-wrap canvas {
  max-width: 100%;
  height: auto !important;
}

.topic-detail-alignment-wrap {
  overflow: auto;
  max-height: 12rem;
}

.topic-detail-alignment {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.topic-detail-alignment th,
.topic-detail-alignment td {
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid #e8eaf0;
}

.topic-detail-alignment th {
  font-weight: 600;
  color: #7c3aed;
}

.topic-detail-alignment .align-val {
  font-variant-numeric: tabular-nums;
  color: #0d9488;
}

.topic-detail-footer {
  padding: 0.75rem 1rem;
  margin-top: auto;
  border-top: 1px solid #e8eaf0;
}

.topic-detail-back {
  color: #7c3aed;
  font-size: 0.84rem;
  text-decoration: none;
}

.topic-detail-back:hover {
  text-decoration: underline;
}

/* Sidebar toggle: top-left on mobile only (zoom is top-right in map.js) */
.app-sidebar-toggle {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 410;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid #d8dde6;
  border-radius: 0.45rem;
  background: #fff;
  color: #16325c;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@media (min-width: 1025px) {
  .app-sidebar-toggle {
    display: none;
  }
}

.app-sidebar-toggle:hover {
  background: #eef4ff;
  border-color: #b0d0f6;
}

.app-sidebar-toggle-icon {
  font-weight: 700;
  letter-spacing: -0.05em;
}

/* FAB: toggle topic details (shown when a topic is selected) */
.app-fab {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background: #7c3aed;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-fab:hover {
  background: #6d28d9;
  transform: scale(1.05);
}

/* Mobile: map underneath; sidebar modal and overlay on top */
@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas: "map";
  }

  .map-panel {
    z-index: 1;
  }

  .app-shell.sidebar-closed .topics-panel,
  .app-shell.sidebar-open .topics-panel {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    bottom: 0.75rem;
    width: min(320px, calc(100vw - 1.5rem));
    max-height: calc(100vh - 1.5rem);
    z-index: 400;
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s ease;
    overflow: hidden;
  }

  .app-shell.sidebar-closed .topics-panel {
    transform: translateX(calc(-100% - 1.5rem));
  }

  .app-shell.sidebar-open .topics-panel {
    transform: translateX(0);
  }

  .app-shell.sidebar-open .app-sidebar-toggle {
    display: none;
  }

  .sidebar-close-btn {
    display: flex;
  }
}

.sidebar-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 350;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
  }
}

/* Desktop: sidebar in grid, can be toggled (narrow or hide) */
@media (min-width: 1025px) {
  .app-shell.sidebar-closed .topics-panel {
    display: none;
  }

  .app-shell.sidebar-closed .map-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1024px) {
  .app-shell:not(.sidebar-closed) .map-panel.details-open {
    margin-right: 0;
  }
}