/**
 * Reusable Component Styles
 * Consolidates grid layouts, card patterns, and filter UI across the application
 * This file follows DRY (Don't Repeat Yourself) principles
 */

/* ==================== GRID LAYOUTS ==================== */

.grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Standard single-column to responsive grid */
.grid--standard {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--standard {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--standard {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1440px) {
  .grid--standard {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Card-specific grid with consistent spacing */
.grid--card {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--card {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .grid--card {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 1440px) {
  .grid--card {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Timeline/list-based grid for arcs and sequential content */
.grid--timeline {
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .grid--timeline {
    gap: 2rem;
    padding: 0;
  }
}

/* ==================== CARD COMPONENTS ==================== */

.card {
  background: var(--listing-card-bg);
  border: 1px solid var(--rule);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.3s ease;
  border-radius: 4px;
  position: relative;
}

@media (min-width: 640px) {
  .card {
    padding: 2rem;
  }
}

/* Hover and focus states */
.card:hover {
  border-color: var(--jjk-crimson);
  box-shadow: var(--listing-card-shadow);
  transform: translateY(-4px);
}

.card:focus-visible {
  outline: 2px solid var(--jjk-crimson);
  outline-offset: 2px;
}

/* Card image section */
.card .card-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  margin: -1.5rem -1.5rem 0 -1.5rem;
  background: var(--card-img-bg);
}

@media (min-width: 640px) {
  .card .card-image-wrap {
    margin: -2rem -2rem 0 -2rem;
  }
}

.card .card-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card .card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--card-image-overlay);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--card-jp-text);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover .card-overlay {
  opacity: 1;
}

/* Card JP name overlay (appears on image) */
.card .card-jp {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: var(--card-jp-bg);
  color: var(--card-jp-text);
  padding: 0.5rem 1rem;
  border: 1px solid var(--card-jp-border);
  border-radius: 3px;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.875rem;
  font-weight: 300;
}

/* Card content container */
.card .card-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.card .card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.card .card-header h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  flex-grow: 1;
}

/* Card fields (metadata rows) */
.card .card-field {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.card .card-field-label {
  font-weight: 500;
  color: var(--ink-mute);
}

.card .card-field-value {
  color: var(--ink);
}

/* Card description text */
.card .card-description {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-soft);
  flex-grow: 1;
}

/* Card tags */
.card .card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.card .card-tag {
  display: inline-block;
  background: var(--pill-tag-bg);
  color: var(--ink);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Link text CTA */
.card .link-text {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--jjk-crimson);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-top: auto;
}

.card:hover .link-text {
  transform: translateX(4px);
}

/* ==================== FILTER PANEL ==================== */

.filter-panel {
  background: var(--surface-alt);
  border: 1px solid var(--rule);
  padding: 1.5rem;
  border-radius: 4px;
  box-shadow: var(--registry-panel-shadow);
}

@media (min-width: 768px) {
  .filter-panel {
    padding: 2rem;
  }
}

/* Filter form layout */
.filter-panel form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .filter-row {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: flex-end;
  }
}

/* Individual filter field */
.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-field--action {
  justify-content: flex-end;
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Input and select styling */
.filter-input,
.filter-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--jjk-crimson);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.filter-input::placeholder {
  color: var(--ink-mute);
}

/* Clear filters button */
.filter-clear-btn {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-clear-btn:hover {
  border-color: var(--jjk-crimson);
  color: var(--jjk-crimson);
}

.filter-clear-btn:focus-visible {
  outline: 2px solid var(--jjk-crimson);
  outline-offset: 2px;
}

/* Filter status display */
.filter-status {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  margin-top: 1rem;
  font-size: 0.875rem;
}

.filter-result-count {
  color: var(--ink-soft);
  white-space: nowrap;
}

.filter-result-count strong {
  color: var(--ink);
  font-weight: 600;
}

/* Filter tags/chips */
.filter-tag {
  display: inline-block;
  background: var(--pill-tag-bg);
  color: var(--ink);
  padding: 0.375rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ==================== EMPTY STATE ==================== */

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--ink);
}

.empty-state p {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.empty-state button {
  padding: 0.75rem 2rem;
  background: transparent;
  border: 1px solid var(--jjk-crimson);
  color: var(--jjk-crimson);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.empty-state button:hover {
  background: var(--jjk-crimson);
  color: var(--surface);
}

/* ==================== VISIBILITY UTILITIES ==================== */

.card--hidden {
  display: none;
}

.hidden {
  display: none !important;
}