/*
 * Main Stylesheet for PostCard Art Gallery Theme
 * ポップでカラフルなデザイン
 */

/* ============================================
   Header Styles
============================================ */

.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 20px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.site-branding {
  flex: 0 0 auto;
}

.site-title {
  font-family: "Poppins", var(--font-display);
  font-size: 32px;
  font-weight: 800;
  margin: 0;
  line-height: 1.2;
}

.site-title a {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-description {
  font-size: 14px;
  color: var(--color-text-light);
  margin: 5px 0 0;
}

/* Navigation */
.main-navigation {
  flex: 1;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 30px;
  justify-content: center;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 16px;
  padding: 10px 0;
  display: block;
  position: relative;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary)
  );
  transition: width 0.3s ease;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
  width: 100%;
}

/* Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 30px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* Search */
.header-search .search-toggle {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.header-search .search-toggle:hover {
  background: var(--color-secondary);
  transform: scale(1.1);
}

/* Search Modal */
.search-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.search-modal.active {
  display: flex;
}

.search-modal-content {
  background: white;
  padding: 40px;
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 90%;
  position: relative;
}

.search-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
  color: var(--color-text-light);
  line-height: 1;
}

.search-form {
  display: flex;
  gap: 10px;
}

.search-form input[type="search"] {
  flex: 1;
  padding: 15px 20px;
  border: 2px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 18px;
}

.search-form button {
  padding: 15px 30px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-form button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   Search Results Page
============================================ */

.search-header {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 60px 0 40px;
  margin-bottom: 40px;
}

.search-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--color-text);
  line-height: 1.4;
}

.search-title span {
  color: var(--color-primary);
  font-weight: 800;
}

.search-form-wrapper {
  max-width: 600px;
  margin: 0 auto 25px;
}

.search-form-wrapper .search-form {
  background: white;
  border-radius: var(--border-radius);
  padding: 8px;
  box-shadow: var(--shadow-md);
}

.search-form-wrapper .search-field {
  border: none;
  padding: 12px 20px;
  font-size: 16px;
  line-height: 1.6;
}

.search-form-wrapper .search-field:focus {
  outline: none;
  border: none;
}

.search-form-wrapper .search-submit {
  padding: 12px 25px;
  font-size: 16px;
}

.search-count {
  text-align: center;
  font-size: 16px;
  color: var(--color-text-light);
  margin: 20px 0 0;
  line-height: 1.6;
}

.search-results-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.search-result-item {
  background: white;
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.search-result-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.search-result-item .entry-title {
  font-size: 24px;
  margin-bottom: 15px;
  line-height: 1.4;
}

.search-result-item .entry-title a {
  color: var(--color-text);
  text-decoration: none;
}

.search-result-item .entry-title a:hover {
  color: var(--color-primary);
}

.search-result-item .entry-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.search-result-item .entry-summary {
  margin-bottom: 20px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.search-result-item .read-more {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.search-result-item .read-more:hover {
  color: var(--color-secondary);
  transform: translateX(5px);
}

.no-results {
  padding: 80px 20px;
}

.no-results-message {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.no-results-message i {
  font-size: 64px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.no-results-message h2 {
  font-size: 32px;
  margin-bottom: 15px;
  line-height: 1.4;
}

.no-results-message > p {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 30px;
  line-height: 1.8;
}

.search-suggestions {
  background: #f8f9fa;
  padding: 25px;
  border-radius: var(--border-radius);
  margin: 30px 0;
  text-align: left;
}

.search-suggestions h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--color-text);
  line-height: 1.4;
}

.search-suggestions ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.search-suggestions li {
  padding: 8px 0;
  color: var(--color-text-light);
  position: relative;
  padding-left: 25px;
  line-height: 1.6;
}

.search-suggestions li:before {
  content: "•";
  position: absolute;
  left: 10px;
  color: var(--color-primary);
  font-weight: bold;
}

.no-results-message .btn {
  margin-top: 30px;
}

/* ============================================
   Archive Filters
============================================ */

.archive-filters {
  display: flex;
  gap: 20px;
  margin: 30px 0;
  padding: 20px;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-group label {
  font-weight: 600;
  color: var(--color-text);
  font-size: 14px;
  white-space: nowrap;
}

.filter-select {
  min-width: 200px;
  padding: 10px 40px 10px 15px;
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius);
  background-color: #fff;
  background-image: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  background-size: 0% 100%;
  background-repeat: no-repeat;
  background-position: right;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="8" viewBox="0 0 14 8"><path fill="%23666" d="M1 1l6 6 6-6"/></svg>');
  background-position: right 15px center;
  background-repeat: no-repeat;
  background-size: 12px;
}

.filter-select:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.15);
}

.filter-select option {
  padding: 10px;
  background: white;
  color: var(--color-text);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .archive-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select {
    width: 100%;
  }
}

/* ============================================
   Artwork Grid
============================================ */

.artworks-grid {
  display: grid;
  gap: 30px;
  margin: 40px 0;
}

.grid-3col {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* ============================================
   Artwork Card
============================================ */

.artwork-card {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.artwork-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.artwork-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.artwork-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.artwork-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.artwork-card:hover .artwork-card-image img {
  transform: scale(1.1);
}

.no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: rgba(255, 255, 255, 0.5);
}

.artwork-card-bookmark {
  position: absolute;
  top: 15px;
  right: 15px;
  opacity: 0;
  transition: var(--transition);
}

.artwork-card:hover .artwork-card-bookmark {
  opacity: 1;
}

.artwork-card-content {
  padding: 20px;
}

.artwork-card-title {
  font-family: "Poppins", var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--color-text);
  line-height: 1.3;
}

.artwork-card-artist {
  color: var(--color-text-light);
  font-size: 14px;
  margin: 0 0 15px;
}

.artwork-card-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.category-badge-small {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.artwork-card-price {
  margin: 15px 0 0;
  padding-top: 15px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-label {
  font-size: 12px;
  color: var(--color-text-light);
}

.price-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-secondary);
}

.artwork-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #eee;
  font-size: 13px;
  color: var(--color-text-light);
}

/* ============================================
   Single Artwork Page
============================================ */

.single-artwork .artwork-hero {
  padding: 60px 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.artwork-hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.artwork-gallery {
  position: sticky;
  top: 120px;
}

.main-artwork-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 20px;
}

.additional-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 15px;
}

.additional-image {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition: var(--transition);
}

.additional-image:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.artwork-info {
  background: white;
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.artwork-title {
  font-family: "Poppins", var(--font-display);
  font-size: 36px;
  font-weight: 800;
  margin: 0 0 20px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.artwork-meta {
  margin-bottom: 30px;
}

.artwork-categories,
.artwork-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.category-badge {
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.category-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tag-badge {
  display: inline-block;
  padding: 6px 16px;
  background: #f0f0f0;
  color: var(--color-text);
  border-radius: 20px;
  font-size: 13px;
  transition: var(--transition);
}

.tag-badge:hover {
  background: var(--color-accent-yellow);
  color: var(--color-text);
}

.artwork-details {
  background: #f9f9f9;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 30px;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-item.highlight {
  background: linear-gradient(
    135deg,
    rgba(0, 166, 255, 0.1),
    rgba(255, 107, 160, 0.1)
  );
  padding: 15px;
  border-radius: 8px;
  border-bottom: none;
  margin-top: 10px;
}

.detail-label {
  font-weight: 600;
  color: var(--color-text-light);
}

.detail-value {
  font-weight: 600;
  color: var(--color-text);
}

.detail-value.price {
  font-size: 24px;
  color: var(--color-secondary);
}

.artwork-description {
  line-height: 1.8;
  margin: 30px 0;
}

.artist-profile {
  background: #fff9e6;
  border-left: 4px solid var(--color-accent-yellow);
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0;
}

.artist-profile h3 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--color-text);
}

.artwork-actions {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

/* ============================================
   Buttons
============================================ */

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 25px;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: var(--color-accent-green);
  color: white;
}

.btn-secondary:hover {
  background: var(--color-accent-orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

/* Bookmark Button */
.bookmark-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: white;
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.bookmark-button:hover {
  background: var(--color-secondary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.bookmark-button.bookmarked {
  background: var(--color-secondary);
  color: white;
}

/* Social Share */
.social-share {
  display: flex;
  align-items: center;
  gap: 15px;
}

.share-label {
  font-weight: 600;
  color: var(--color-text-light);
}

.social-share-buttons {
  display: flex;
  gap: 10px;
}

.share-button {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: white;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.share-twitter {
  background: #1da1f2;
}
.share-facebook {
  background: #1877f2;
}
.share-line {
  background: #00b900;
}
.share-pinterest {
  background: #e60023;
}
.share-copy {
  background: var(--color-text);
}

.share-button:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--shadow-md);
}

/* ============================================
   Footer
============================================ */

.site-footer {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  margin-top: 80px;
}

.footer-widgets {
  padding: 60px 0;
}

.footer-widgets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-widget h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px;
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.2);
  padding: 30px 0;
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-info {
  margin-bottom: 10px;
}

.footer-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-navigation a {
  color: white;
  opacity: 0.9;
}

.footer-navigation a:hover {
  opacity: 1;
}

.site-info {
  font-size: 14px;
  opacity: 0.9;
  margin-top: 10px;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
}

/* ============================================
   Responsive Design
============================================ */

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
  }

  .main-navigation {
    flex: 1 1 100%;
    order: 3;
  }

  .main-navigation ul {
    flex-direction: column;
    display: none;
  }

  .main-navigation.toggled ul {
    display: flex;
  }

  .artwork-hero-content {
    grid-template-columns: 1fr;
  }

  .grid-3col {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
}