/* ========== 専用ページスタイル ========== */

/* プロジェクトページ */
.projects-header {
  padding: 12rem 0 6rem;
  text-align: center;
  background: var(--gradient-bg);
}

.page-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: 1.3rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.featured-projects {
  padding: 6rem 0;
}

.academic-projects {
  padding: 6rem 0;
  background: var(--secondary-bg);
}

.personal-projects {
  padding: 6rem 0;
}

.project-card.featured {
  grid-column: span 2;
}

.project-card.featured .project-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.project-status {
  background: var(--gradient-secondary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 1rem;
}

.project-features h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.project-features ul {
  list-style: none;
  padding: 0;
}

.project-features li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.project-features li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 0.8rem;
}

.projects-link-section {
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.projects-link-section h3 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.projects-link-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ========== Newsページ専用スタイル ========== */

/* News ヘッダー */
.news-header {
  padding: 12rem 0 6rem;
  text-align: center;
  background: var(--gradient-bg);
}

.blog-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 4rem;
}

.blog-stats .stat-item {
  text-align: center;
}

.blog-stats .stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.blog-stats .stat-label {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* フィルター */
.news-filters {
  padding: 3rem 0;
  background: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
}

.filter-controls {
  text-align: center;
}

.filter-controls h3 {
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-size: 1.3rem;
}

.category-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* 最新記事セクション */
.latest-news {
  padding: 6rem 0;
}

/* 検索 */
.search-container {
  margin-bottom: 3rem;
  display: flex;
  justify-content: center;
}

/* ニュースカード拡張 */
.news-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.news-category {
  background: var(--accent-bg);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-badge {
  background: var(--gradient-secondary);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1.5rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.read-time {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.read-more-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.read-more-btn:hover {
  transform: translateX(5px) scale(1.05);
}

/* 記事モーダル */
.article-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.article-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--secondary-bg);
}

.article-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-date,
.article-category,
.read-time {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.article-category {
  color: var(--primary-color);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background: var(--accent-bg);
  color: var(--primary-color);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  max-height: calc(90vh - 120px);
}

.article-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.2;
}

.article-content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.1rem;
}

.article-content h3 {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin: 2rem 0 1rem;
  font-weight: 600;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-tags {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* 結果なし */
.no-results {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.no-results i {
  font-size: 3rem;
  color: var(--border-color);
  margin-bottom: 1rem;
}

.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

/* News link section (for index page) */
.news-link-section {
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  margin-top: 3rem;
}

.news-link-section h3 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.news-link-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.news-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* スキルカード技術別カラーリング */
.skill-card[data-tech="html"] .skill-image {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.skill-card[data-tech="css"] .skill-image {
  background: linear-gradient(135deg, #1572b6, #33a9dc);
}

.skill-card[data-tech="javascript"] .skill-image {
  background: linear-gradient(135deg, #f7df1e, #ffda44);
}

.skill-card[data-tech="nodejs"] .skill-image {
  background: linear-gradient(135deg, #8cc84b, #a4d65e);
}

.skill-card[data-tech="elixir"] .skill-image {
  background: linear-gradient(135deg, #4b275f, #6b46c1);
}

.skill-card[data-tech="phoenix"] .skill-image {
  background: linear-gradient(135deg, #fd4f00, #ff6b2b);
}

.skill-card[data-tech="python"] .skill-image {
  background: linear-gradient(135deg, #3776ab, #4b8bbe);
}

.skill-card[data-tech="cpp"] .skill-image {
  background: linear-gradient(135deg, #00599c, #0066cc);
}

.skill-card[data-tech="pytorch"] .skill-image {
  background: linear-gradient(135deg, #ee4c2c, #ff6b45);
}

.skill-card[data-tech="numpy"] .skill-image {
  background: linear-gradient(135deg, #013243, #4dabcf);
}

.skill-card[data-tech="pandas"] .skill-image {
  background: linear-gradient(135deg, #150458, #e70488);
}

.skill-card[data-tech="opencv"] .skill-image {
  background: linear-gradient(135deg, #5aa700, #7bc143);
}

.skill-card[data-tech="docker"] .skill-image {
  background: linear-gradient(135deg, #2496ed, #4da7e8);
}

.skill-card[data-tech="git"] .skill-image {
  background: linear-gradient(135deg, #f05032, #ff6347);
}

.skill-card[data-tech="github"] .skill-image {
  background: linear-gradient(135deg, #24292e, #586069);
}

.skill-card[data-tech="gitlab"] .skill-image {
  background: linear-gradient(135deg, #fc6d26, #fca326);
}

/* ホバー時の強調効果 */
.skill-card:hover[data-tech="html"] {
  box-shadow: 0 15px 35px rgba(255, 107, 53, 0.3);
  border-color: #ff6b35;
}

.skill-card:hover[data-tech="css"] {
  box-shadow: 0 15px 35px rgba(21, 114, 182, 0.3);
  border-color: #1572b6;
}

.skill-card:hover[data-tech="javascript"] {
  box-shadow: 0 15px 35px rgba(247, 223, 30, 0.3);
  border-color: #f7df1e;
}

.skill-card:hover[data-tech="nodejs"] {
  box-shadow: 0 15px 35px rgba(140, 200, 75, 0.3);
  border-color: #8cc84b;
}

.skill-card:hover[data-tech="elixir"] {
  box-shadow: 0 15px 35px rgba(75, 39, 95, 0.3);
  border-color: #4b275f;
}

.skill-card:hover[data-tech="phoenix"] {
  box-shadow: 0 15px 35px rgba(253, 79, 0, 0.3);
  border-color: #fd4f00;
}

.skill-card:hover[data-tech="python"] {
  box-shadow: 0 15px 35px rgba(55, 118, 171, 0.3);
  border-color: #3776ab;
}

.skill-card:hover[data-tech="cpp"] {
  box-shadow: 0 15px 35px rgba(0, 89, 156, 0.3);
  border-color: #00599c;
}

.skill-card:hover[data-tech="pytorch"] {
  box-shadow: 0 15px 35px rgba(238, 76, 44, 0.3);
  border-color: #ee4c2c;
}

.skill-card:hover[data-tech="numpy"] {
  box-shadow: 0 15px 35px rgba(77, 171, 207, 0.3);
  border-color: #4dabcf;
}

.skill-card:hover[data-tech="pandas"] {
  box-shadow: 0 15px 35px rgba(231, 4, 136, 0.3);
  border-color: #e70488;
}

.skill-card:hover[data-tech="opencv"] {
  box-shadow: 0 15px 35px rgba(90, 167, 0, 0.3);
  border-color: #5aa700;
}

.skill-card:hover[data-tech="docker"] {
  box-shadow: 0 15px 35px rgba(36, 150, 237, 0.3);
  border-color: #2496ed;
}

.skill-card:hover[data-tech="git"] {
  box-shadow: 0 15px 35px rgba(240, 80, 50, 0.3);
  border-color: #f05032;
}

.skill-card:hover[data-tech="github"] {
  box-shadow: 0 15px 35px rgba(36, 41, 46, 0.3);
  border-color: #24292e;
}

.skill-card:hover[data-tech="gitlab"] {
  box-shadow: 0 15px 35px rgba(252, 109, 38, 0.3);
  border-color: #fc6d26;
}

/* プロジェクトカード特殊スタイル */
.add-project .project-placeholder {
  background: linear-gradient(135deg, var(--border-color), var(--secondary-bg));
  color: var(--text-muted);
  border: 2px dashed var(--border-color);
}

.add-project:hover .project-placeholder {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border-color: var(--primary-color);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(5px);
  color: white;
  gap: 0.5rem;
}

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

.project-overlay i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.project-overlay span {
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-overlay.coming-soon {
  background: rgba(100, 255, 218, 0.1);
  color: var(--primary-color);
}

.add-project:hover .project-overlay.coming-soon {
  opacity: 1;
}

/* 画像フォールバック */
.skill-image img {
  background-color: transparent;
}

.skill-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.skill-card .skill-image {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.skill-card:hover .skill-image {
  box-shadow: 0 8px 20px rgba(100, 255, 218, 0.3), inset 0 0 0 2px rgba(255, 255, 255, 0.2);
}