/* Books cultural atlas and timeline — July 2026 */

:root {
  --atlas-accent: #405cf5;
  --atlas-accent-dark: #263ebd;
  --atlas-accent-soft: #eef1ff;
  --atlas-ink: #0e121b;
  --atlas-muted: #626a78;
  --atlas-border: #e2e6ee;
  --atlas-panel: rgba(255, 255, 255, 0.94);
  --atlas-panel-solid: #ffffff;
  --atlas-land: #d9dde5;
  --atlas-ocean: #eef5ff;
  --atlas-shadow: 0 18px 48px rgba(15, 23, 42, 0.1);
}

.books-atlas-button-icon {
  font-size: 0.98rem;
  line-height: 1;
}

.books-explorer[hidden] {
  display: none !important;
}

.books-explorer {
  width: 100%;
  padding-inline: clamp(12px, 3vw, 48px);
  animation: booksAtlasReveal 220ms ease-out;
}

@keyframes booksAtlasReveal {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.books-explorer-shell {
  width: min(1600px, 100%);
  margin-inline: auto;
  padding: clamp(14px, 2vw, 24px);
  border: 1px solid rgba(226, 230, 238, 0.98);
  border-radius: 24px;
  background: var(--atlas-panel);
  box-shadow: var(--atlas-shadow);
  backdrop-filter: blur(14px);
}

.books-explorer-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.books-explorer-heading-copy {
  min-width: 0;
}

.books-explorer-eyebrow {
  margin: 0 0 4px;
  color: var(--atlas-accent-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.books-explorer-title {
  margin: 0;
  color: var(--atlas-ink);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.books-explorer-description {
  max-width: 72ch;
  margin: 6px 0 0;
  color: var(--atlas-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.books-explorer-close {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: 1px solid var(--atlas-border);
  border-radius: 999px;
  background: var(--atlas-panel-solid);
  color: var(--atlas-muted);
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, color 140ms ease;
}

.books-explorer-close:hover {
  transform: translateY(-1px);
  border-color: rgba(64, 92, 245, 0.42);
  color: var(--atlas-accent-dark);
}

.books-explorer-close:focus-visible,
.books-explorer button:focus-visible,
.books-explorer select:focus-visible {
  outline: 2px solid var(--atlas-accent);
  outline-offset: 2px;
}

.books-atlas-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.books-atlas-metric {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--atlas-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.books-atlas-metric-label {
  display: block;
  margin-bottom: 3px;
  color: var(--atlas-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.books-atlas-metric-value {
  display: block;
  overflow: hidden;
  color: var(--atlas-ink);
  font-size: clamp(1.05rem, 2vw, 1.42rem);
  font-weight: 800;
  line-height: 1.18;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.books-atlas-metric-note {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--atlas-muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.books-map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(270px, 0.65fr);
  gap: 18px;
  align-items: stretch;
}

.books-map-stage {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--atlas-border);
  border-radius: 20px;
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, 0.84), transparent 26%),
    var(--atlas-ocean);
}

.books-map-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 20%, transparent 78%, rgba(64, 92, 245, 0.035));
}

.books-map-status {
  display: grid;
  min-height: 360px;
  place-items: center;
  padding: 28px;
  color: var(--atlas-muted);
  text-align: center;
  line-height: 1.5;
}

.books-map-status strong {
  display: block;
  margin-bottom: 4px;
  color: var(--atlas-ink);
}

.books-map-svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

.books-map-ocean {
  fill: transparent;
}

.books-map-country {
  fill: var(--atlas-land);
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
  transition: fill 160ms ease, opacity 160ms ease, stroke 160ms ease, stroke-width 160ms ease;
}

.books-map-country[data-level="1"] { fill: #ccd5ff; }
.books-map-country[data-level="2"] { fill: #aebcff; }
.books-map-country[data-level="3"] { fill: #879bff; }
.books-map-country[data-level="4"] { fill: #647cf8; }
.books-map-country[data-level="5"] { fill: var(--atlas-accent); }

.books-map-country[data-has-books="true"] {
  cursor: pointer;
}

.books-map-country[data-has-books="true"]:hover,
.books-map-country[data-has-books="true"]:focus-visible {
  stroke: #17235f;
  stroke-width: 1.5;
  outline: none;
}

.books-map-country[data-selected="true"] {
  fill: #15298f;
  stroke: #ffffff;
  stroke-width: 2;
}

.books-map-tooltip {
  position: absolute;
  z-index: 4;
  min-width: 138px;
  max-width: 230px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 11px;
  background: rgba(13, 18, 31, 0.94);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.24);
  font-size: 0.8rem;
  line-height: 1.35;
  pointer-events: none;
  transform: translate(12px, 12px);
}

.books-map-tooltip[hidden] {
  display: none;
}

.books-map-tooltip strong,
.books-map-tooltip span {
  display: block;
}

.books-map-tooltip span {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.72rem;
}

.books-map-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 12px;
  color: var(--atlas-muted);
  font-size: 0.74rem;
}

.books-map-legend {
  display: flex;
  align-items: center;
  gap: 5px;
}

.books-map-legend-swatch {
  width: 20px;
  height: 7px;
  border-radius: 999px;
}

.books-map-legend-swatch:nth-of-type(1) { background: #ccd5ff; }
.books-map-legend-swatch:nth-of-type(2) { background: #aebcff; }
.books-map-legend-swatch:nth-of-type(3) { background: #879bff; }
.books-map-legend-swatch:nth-of-type(4) { background: #647cf8; }
.books-map-legend-swatch:nth-of-type(5) { background: var(--atlas-accent); }

.books-country-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 15px;
  border: 1px solid var(--atlas-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
}

.books-country-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.books-country-panel-title {
  margin: 0;
  color: var(--atlas-ink);
  font-size: 1rem;
  line-height: 1.2;
}

.books-country-panel-subtitle {
  margin: 4px 0 0;
  color: var(--atlas-muted);
  font-size: 0.76rem;
}

.books-country-clear {
  border: 1px solid var(--atlas-border);
  border-radius: 999px;
  background: var(--atlas-panel-solid);
  color: var(--atlas-accent-dark);
  padding: 6px 9px;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}

.books-country-ranking {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.books-country-rank-button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 10px;
  width: 100%;
  padding: 8px 9px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--atlas-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 140ms ease;
}

.books-country-rank-button:hover,
.books-country-rank-button[aria-pressed="true"] {
  background: var(--atlas-accent-soft);
}

.books-country-rank-name {
  overflow: hidden;
  font-size: 0.82rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.books-country-rank-count {
  color: var(--atlas-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.books-country-rank-track {
  grid-column: 1 / -1;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eaf1;
}

.books-country-rank-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--atlas-accent);
}

.books-country-books {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--atlas-border);
}

.books-country-book {
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.books-country-book img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--atlas-border);
  border-radius: 7px;
  background: #eef0f5;
}

.books-country-book span {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 4px;
  color: var(--atlas-muted);
  font-size: 0.67rem;
  line-height: 1.22;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.books-country-empty {
  margin: auto 0;
  padding: 28px 12px;
  color: var(--atlas-muted);
  font-size: 0.82rem;
  line-height: 1.5;
  text-align: center;
}

.books-atlas-note {
  margin: 12px 2px 0;
  color: var(--atlas-muted);
  font-size: 0.74rem;
  line-height: 1.45;
}

.books-timeline-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.books-timeline-mode {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--atlas-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
}

.books-timeline-mode button {
  min-height: 34px;
  padding: 7px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--atlas-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.books-timeline-mode button[aria-pressed="true"] {
  background: var(--atlas-accent);
  color: #ffffff;
  box-shadow: 0 5px 12px rgba(64, 92, 245, 0.2);
}

.books-timeline-help {
  margin: 0;
  color: var(--atlas-muted);
  font-size: 0.76rem;
  text-align: right;
}

.books-timeline-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 2px 14px;
  scrollbar-color: rgba(64, 92, 245, 0.35) transparent;
  scrollbar-width: thin;
}

.books-timeline-track {
  position: relative;
  display: flex;
  width: max-content;
  min-width: 100%;
  align-items: stretch;
  gap: 0;
  padding: 22px 6px 8px;
}

.books-timeline-track::before {
  content: "";
  position: absolute;
  top: 42px;
  right: 6px;
  left: 6px;
  height: 2px;
  background: linear-gradient(90deg, rgba(64, 92, 245, 0.22), rgba(64, 92, 245, 0.8));
}

.books-timeline-stop {
  position: relative;
  width: 176px;
  flex: 0 0 176px;
  padding: 38px 8px 0;
}

.books-timeline-stop::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  width: 14px;
  height: 14px;
  border: 3px solid var(--atlas-panel-solid);
  border-radius: 999px;
  background: var(--atlas-accent);
  box-shadow: 0 0 0 2px rgba(64, 92, 245, 0.2);
  transform: translateX(-50%);
}

.books-timeline-stop-button {
  display: flex;
  width: 100%;
  min-height: 224px;
  flex-direction: column;
  align-items: stretch;
  padding: 12px;
  border: 1px solid var(--atlas-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.books-timeline-stop-button:hover {
  transform: translateY(-3px);
  border-color: rgba(64, 92, 245, 0.36);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.09);
}

.books-timeline-period {
  color: var(--atlas-ink);
  font-size: 0.89rem;
  font-weight: 800;
  line-height: 1.2;
}

.books-timeline-count {
  margin-top: 3px;
  color: var(--atlas-accent-dark);
  font-size: 0.73rem;
  font-weight: 700;
}

.books-timeline-covers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-top: 10px;
}

.books-timeline-covers img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 5px;
  background: #eef0f5;
  box-shadow: 0 3px 8px rgba(15, 23, 42, 0.11);
}

.books-timeline-bar {
  display: flex;
  height: 38px;
  align-items: flex-end;
  gap: 3px;
  margin-top: auto;
  padding-top: 10px;
}

.books-timeline-bar span {
  flex: 1;
  min-height: 3px;
  border-radius: 3px 3px 1px 1px;
  background: rgba(64, 92, 245, 0.38);
}

.books-timeline-bar span[data-peak="true"] {
  background: var(--atlas-accent);
}

.books-timeline-caption {
  margin-top: 8px;
  color: var(--atlas-muted);
  font-size: 0.69rem;
  line-height: 1.3;
}

.books-timeline-empty {
  padding: 48px 18px;
  border: 1px dashed var(--atlas-border);
  border-radius: 18px;
  color: var(--atlas-muted);
  text-align: center;
}

.atlas-country-hidden {
  display: none !important;
}

body.books-explorer-open #filter-empty {
  display: none !important;
}

@media (max-width: 980px) {
  .books-atlas-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .books-map-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .books-country-panel {
    min-height: 0;
  }

  .books-country-ranking {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .books-country-books {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .books-explorer {
    padding-inline: 8px;
  }

  .books-explorer-shell {
    padding: 12px;
    border-radius: 18px;
  }

  .books-explorer-heading {
    gap: 10px;
  }

  .books-explorer-description {
    font-size: 0.8rem;
  }

  .books-atlas-metrics {
    gap: 7px;
  }

  .books-atlas-metric {
    padding: 10px;
    border-radius: 13px;
  }

  .books-atlas-metric-value {
    font-size: 1rem;
  }

  .books-map-stage {
    border-radius: 15px;
  }

  .books-map-svg {
    aspect-ratio: 1.45 / 1;
  }

  .books-map-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .books-country-ranking {
    grid-template-columns: minmax(0, 1fr);
  }

  .books-country-books {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .books-timeline-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .books-timeline-mode {
    align-self: flex-start;
  }

  .books-timeline-help {
    text-align: left;
  }

  .books-timeline-stop {
    width: 152px;
    flex-basis: 152px;
    padding-inline: 5px;
  }

  .books-timeline-stop-button {
    min-height: 208px;
    padding: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .books-explorer,
  .books-map-country,
  .books-explorer button,
  .books-timeline-stop-button {
    animation: none !important;
    transition: none !important;
  }
}