/* ============================================
   THE LILONG — THE ATLAS
   Interactive map: every place named in the book.
   ============================================ */

.atlas {
  position: relative;
  padding: var(--s-9) 0 var(--s-7);
  background:
    radial-gradient(ellipse 60% 40% at 70% 30%, var(--ochre-wash), transparent 70%),
    var(--paper);
  overflow: hidden;
}

.atlas-header {
  text-align: center;
  margin-bottom: var(--s-6);
}

.atlas-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cinnabar);
  display: block;
  margin-bottom: var(--s-3);
}

.atlas-num::before, .atlas-num::after {
  content: "—";
  margin: 0 0.6em;
  color: var(--ink-5);
}

.atlas-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
}

.atlas-title em {
  font-style: italic;
  color: var(--cinnabar);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

.atlas-title .zh {
  display: block;
  font-family: var(--font-ch-display);
  font-size: 0.45em;
  font-weight: 500;
  color: var(--cinnabar);
  margin-top: 0.3em;
  letter-spacing: 0.1em;
}

.atlas-deck {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink-3);
  max-width: 600px;
  margin: 1.5rem auto 0;
  line-height: 1.5;
}

.atlas-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.atlas-stat {
  text-align: center;
  font-family: var(--font-mono);
}

.atlas-stat .num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--cinnabar);
  line-height: 1;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}

.atlas-stat .lab {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 0.4em;
}

/* Map container */

.atlas-stage {
  position: relative;
  width: 100%;
  max-width: 1280px;
  height: clamp(440px, 60vh, 680px);
  margin: var(--s-6) auto 0;
  border: 1px solid var(--ink-5);
  background:
    /* Old-paper map texture */
    radial-gradient(circle at 1px 1px, rgba(74, 56, 30, 0.04) 0.5px, transparent 0.5px),
    linear-gradient(135deg, var(--paper) 0%, var(--paper-2) 100%);
  background-size: 3px 3px, 100% 100%;
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}

/* The map canvas (Leaflet container) */
#atlas-map {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.leaflet-container {
  background: transparent !important;
  font-family: var(--font-body) !important;
}

/* Hide default leaflet controls, we use custom */
.leaflet-control-zoom,
.leaflet-control-attribution {
  display: none !important;
}

/* The era slider overlaid on the map */
.atlas-controls {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--paper);
  border: 1px solid var(--ink-5);
  padding: 0.6rem;
  box-shadow: var(--shadow-1);
}

.atlas-control-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 0.2rem;
}

.atlas-era-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--ink-5);
}

.era-btn {
  flex: 1;
  padding: 0.5rem 0.7rem;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--ink-5);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 0.15s;
}

.era-btn:last-child { border-right: 0; }

.era-btn:hover { background: var(--paper-2); color: var(--ink); }

.era-btn.is-active {
  background: var(--ink);
  color: var(--paper);
}

/* The search/filter input */
.atlas-search {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--paper);
  border: 1px solid var(--ink-5);
  padding: 0.4rem 0.7rem;
}

.atlas-search input {
  border: 0;
  background: transparent;
  outline: 0;
  font-size: 0.85rem;
  font-family: var(--font-body);
  width: 180px;
  color: var(--ink);
}

.atlas-search input::placeholder { color: var(--ink-4); font-style: italic; }

/* The chapter filter pills */
.atlas-chapters {
  position: absolute;
  bottom: 1rem; left: 1rem;
  z-index: 10;
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  max-width: calc(100% - 200px);
}

.chapter-pill {
  padding: 0.3rem 0.7rem;
  background: var(--paper);
  border: 1px solid var(--ink-5);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.chapter-pill::before {
  content: "•";
  color: var(--cinnabar);
  font-size: 1.1em;
  line-height: 0;
}

.chapter-pill:hover { background: var(--paper-2); color: var(--ink); }

.chapter-pill.is-on {
  background: var(--cinnabar);
  color: var(--paper);
  border-color: var(--cinnabar);
}

.chapter-pill.is-on::before { color: var(--paper); }

/* Custom pin markers */
.atlas-pin {
  position: relative;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.atlas-pin .pin-dot {
  position: relative;
  width: 14px;
  height: 14px;
  background: var(--cinnabar);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--cinnabar);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
}

.atlas-pin .pin-dot::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: var(--cinnabar);
  opacity: 0.3;
  animation: pin-pulse 2.4s ease-in-out infinite;
}

@keyframes pin-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.6); opacity: 0; }
}

.atlas-pin:hover .pin-dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 6px var(--paper), 0 0 0 7px var(--cinnabar);
}

.atlas-pin .pin-label {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 6px;
  padding: 0.25em 0.6em;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.atlas-pin:hover .pin-label { opacity: 1; }

/* Pin type variations */
.atlas-pin[data-type="lane"] .pin-dot { background: var(--cinnabar); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--cinnabar); }
.atlas-pin[data-type="lane"] .pin-dot::after { background: var(--cinnabar); }

.atlas-pin[data-type="university"] .pin-dot { background: var(--indigo); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--indigo); }
.atlas-pin[data-type="university"] .pin-dot::after { background: var(--indigo); }

.atlas-pin[data-type="river"] .pin-dot { background: var(--sage); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--sage); }
.atlas-pin[data-type="river"] .pin-dot::after { background: var(--sage); }

.atlas-pin[data-type="home"] .pin-dot { background: var(--ochre); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--ochre); }
.atlas-pin[data-type="home"] .pin-dot::after { background: var(--ochre); }

.atlas-pin[data-type="city"] .pin-dot { background: var(--ink); box-shadow: 0 0 0 4px var(--paper), 0 0 0 5px var(--ink); }
.atlas-pin[data-type="city"] .pin-dot::after { background: var(--ink); }

/* Modal: location detail */

.atlas-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(26, 22, 18, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.atlas-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.atlas-modal-panel {
  position: relative;
  background: var(--paper);
  background-image: radial-gradient(circle at 1px 1px, rgba(74, 56, 30, 0.025) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
  width: 100%;
  max-width: 720px;
  max-height: 86vh;
  overflow-y: auto;
  padding: 3rem;
  border: 1px solid var(--ink);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s var(--ease-spring);
}

.atlas-modal.is-open .atlas-modal-panel {
  transform: translateY(0) scale(1);
}

.atlas-modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink-5);
  border-radius: 50%;
  background: var(--paper);
  font-size: 1.1rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.atlas-modal-close:hover {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(90deg);
}

.atlas-modal-type {
  display: inline-block;
  padding: 0.3em 0.8em;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.atlas-modal-type[data-type="university"] { background: var(--indigo); }
.atlas-modal-type[data-type="river"] { background: var(--sage); }
.atlas-modal-type[data-type="home"] { background: var(--ochre); }
.atlas-modal-type[data-type="city"] { background: var(--ink); }

.atlas-modal-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.atlas-modal-title .zh {
  display: block;
  font-family: var(--font-ch-display);
  font-size: 0.5em;
  font-weight: 500;
  color: var(--cinnabar);
  margin-top: 0.3em;
  letter-spacing: 0.1em;
}

.atlas-modal-era {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 0.5rem 0 0;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--ink-5);
}

.atlas-modal-body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 1.5rem 0;
  font-style: italic;
  border-left: 2px solid var(--cinnabar);
  padding-left: 1.25rem;
}

.atlas-modal-curator {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-3);
  padding: 1rem 0 0;
  border-top: 1px dashed var(--ink-5);
}

.atlas-modal-curator .lab {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 0.4rem;
}

.atlas-modal-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.atlas-modal-actions .cta {
  font-size: 0.7rem;
  padding: 0.65rem 1.1rem;
}

.atlas-modal-actions .cta.alt {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.atlas-modal-actions .cta.alt:hover {
  background: var(--ink);
  color: var(--paper);
}

.atlas-modal-listen {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

.atlas-modal-listen:hover {
  background: var(--cinnabar-deep);
  border-color: var(--cinnabar-deep);
}

.atlas-modal-listen .play-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--cinnabar);
  font-size: 9px;
  padding-left: 1px;
}

.atlas-modal-read {
  font-size: 0.65rem !important;
  color: var(--ink-4) !important;
  border-color: transparent !important;
  background: transparent !important;
  padding: 0.65rem 0.5rem !important;
  text-decoration: none;
}

.atlas-modal-read:hover {
  color: var(--cinnabar) !important;
  text-decoration: underline;
}

/* The "Joycean" touch — a subtle literary bridge */
.atlas-modal-coords {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-4);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

@media (max-width: 720px) {
  .atlas-modal-panel { padding: 2rem 1.5rem; }
  .atlas-modal-title { font-size: 1.8rem; }
  .atlas-chapters { max-width: calc(100% - 100px); }
  .atlas-controls { top: 0.5rem; right: 0.5rem; padding: 0.4rem; }
}