/* Invisible Cities — Atlas (Direction 2) */

:root {
  --transition-slow: 0.4s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Josefin Sans", sans-serif;
  font-weight: 300;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: #fff;
}

/* Header */
.atlas-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.atlas-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: 0.2em;
  margin: 0;
  color: #fff;
}

.atlas-subtitle {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.atlas-submsg {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  padding: 0.75rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

/* Hamburger menu button */
.atlas-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 1.25rem;
  height: 2rem;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.95);
}

.atlas-menu-toggle:hover {
  color: #fff;
}

.atlas-menu-toggle .menu-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
}

/* Active filter chips (shown below header when filters applied) */
.atlas-active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.2);
  min-height: 2.5rem;
}

.atlas-active-filters:empty {
  display: none;
}

.atlas-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}

.atlas-filter-chip-remove {
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  line-height: 1;
}

.atlas-filter-chip-remove:hover {
  color: #fff;
}

/* Filter overlay (hamburger menu content) */
.atlas-filter-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.atlas-filter-overlay.open {
  opacity: 1;
  visibility: visible;
}

.atlas-filter-overlay-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.atlas-filter-overlay-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.atlas-filter-overlay-header .atlas-submsg {
  border-bottom: none;
  padding: 0.25rem 0 0;
}

.atlas-filter-overlay-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0;
  color: #fff;
}

.atlas-filter-overlay-close {
  font-size: 1.5rem;
  line-height: 1;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.9);
}

.atlas-filter-overlay-close:hover {
  color: #fff;
}

.atlas-filter-overlay-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
}

.atlas-filter-section {
  margin-bottom: 2rem;
}

.atlas-filter-section-title {
  font-family: "Josefin Sans", sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
  color: #fff;
}

.atlas-filter-hint {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
}

.atlas-filter-themes {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.atlas-filter-theme {
  display: block;
  width: 100%;
  padding: 0.6rem 1rem;
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.95rem;
  text-align: left;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  cursor: pointer;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.atlas-filter-theme:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
}

.atlas-filter-theme.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.atlas-filter-motifs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.atlas-filter-motif {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #fff;
  cursor: pointer;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.atlas-filter-motif:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.atlas-filter-motif input {
  appearance: none;
  -webkit-appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  flex-shrink: 0;
}

.atlas-filter-motif input:checked {
  background-color: rgba(255, 255, 255, 0.15);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='rgba(255,255,255,0.9)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 6l3 3 5-6'/%3E%3C/svg%3E");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.atlas-filter-done {
  display: block;
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.9rem 1.5rem;
  font-family: "Josefin Sans", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  cursor: pointer;
  transition: background var(--transition-slow);
}

.atlas-filter-done:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Filters (legacy, kept for select fallback) */
.atlas-filters {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.15);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.filter-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.filter-select {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.9rem;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  cursor: pointer;
  border-radius: 0;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}

.filter-select:hover,
.filter-select:focus {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.45);
  outline: none;
}

.filter-select option {
  background: #1e293b;
  color: #fff;
}

.atlas-count {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 0 auto;
}

/* 2-column grid */
.atlas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 1.5rem 2rem;
  max-width: 56rem;
  margin: 0 auto;
}

.atlas-no-results {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  padding: 2rem;
  text-align: center;
}

.atlas-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: background var(--transition-slow), border-color var(--transition-slow);
  text-align: center;
}

.atlas-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
}

.atlas-card-icon {
  width: 3rem;
  height: 3rem;
  opacity: 0.85;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.atlas-card-icon[src=""], .atlas-card:not([data-icon]) .atlas-card-icon {
  display: none;
}

.atlas-card-name {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0;
  color: #fff;
}

.atlas-card-theme {
  font-family: "Josefin Sans", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.atlas-card-motifs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
}

.atlas-card-motif {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

/* Modal */
.atlas-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.atlas-modal.open {
  opacity: 1;
  visibility: visible;
}

.atlas-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
}

.atlas-modal-content {
  position: relative;
  max-width: 36rem;
  max-height: 85vh;
  width: 100%;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 2rem;
  overflow-y: auto;
}

.atlas-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.9);
}

.atlas-modal-close:hover {
  color: #fff;
}

.atlas-modal-body .modal-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
  color: #fff;
}

.atlas-modal-body .modal-theme {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 1rem;
}

.atlas-modal-body .modal-excerpt {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 1rem;
}

.atlas-modal-body .modal-motifs {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 0.5rem;
}

.atlas-modal-body .modal-motif-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.atlas-modal-body .modal-motif-tag {
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.95);
}