/* ============================================================
   game.breefly.jp — style.css
   Design: Gaming News Dashboard (Dark header + Card grid)
   ============================================================ */

/* ------------------------------------------------------------
   Variables
   ------------------------------------------------------------ */
:root {
  --color-bg:          #f5f5f5;
  --color-surface:     #ffffff;
  --color-header-bg:   #0d1117;
  --color-header-text: #ffffff;
  --color-accent:      #00d4ff;
  --color-accent-hover:#00b8e0;
  --color-text:        #1a1a2e;
  --color-text-muted:  #6b7280;
  --color-border:      #e5e7eb;
  --color-border-light:#f3f4f6;

  --curator-bg:        #f0fbff;
  --curator-border:    #00d4ff;
  --curator-text:      #0c4a6e;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);

  --radius:          8px;
  --font-sans:       'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-max:   1200px;
  --header-height:   64px;
}

/* ------------------------------------------------------------
   Reset & Base
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  color: var(--color-accent-hover);
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.4;
}

p {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ------------------------------------------------------------
   Header — ゲーミングダークスタイル
   ------------------------------------------------------------ */
.site-header {
  background: var(--color-header-bg);
  box-shadow: 0 2px 12px rgba(0,0,0,0.5), 0 0 20px rgba(0,212,255,0.05);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* LIVE dot animation */
.live-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 4px;
  animation: pulse-dot 1.4s ease-in-out infinite;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--color-accent);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.85); }
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo-name {
  color: var(--color-header-text);
}

.logo-tld {
  color: var(--color-accent);
}

.site-tagline {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  margin: 0;
  flex: 1;
}

/* ------------------------------------------------------------
   Category nav bar
   ------------------------------------------------------------ */
.category-nav {
  background: #0d1117;
  border-bottom: 1px solid #1e2d3d;
  position: sticky;
  top: var(--header-height);
  z-index: 99;
}

.category-nav-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 8px 0;
}

.category-nav-inner::-webkit-scrollbar {
  display: none;
}

.category-nav-item {
  white-space: nowrap;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.07);
  color: #ffffff;
  font-family: var(--font-sans);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.category-nav-item:hover,
.category-nav-item.is-active {
  background: var(--color-accent);
  color: #0d1117;
  border-color: var(--color-accent);
}

/* ------------------------------------------------------------
   Main content
   ------------------------------------------------------------ */
.main-content {
  padding: 32px 0 80px;
}

/* ------------------------------------------------------------
   Page meta
   ------------------------------------------------------------ */
.page-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.update-label {
  margin-right: 4px;
}

/* ------------------------------------------------------------
   Hero section — Top 3 articles
   ------------------------------------------------------------ */
.hero-section {
  margin-bottom: 32px;
}

.hero-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* 3-column hero: first article = large (2/3 width), others = small */
.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
}

/* First hero card: taller image */
.hero-grid .article-card[data-featured="true"] .card-image,
.hero-grid .article-card[data-featured="true"] .card-thumb {
  height: 240px;
}

/* Other hero cards: medium image */
.hero-grid .article-card:not([data-featured="true"]) .card-image,
.hero-grid .article-card:not([data-featured="true"]) .card-thumb {
  height: 140px;
}

/* ------------------------------------------------------------
   Card grid — 3 columns
   ------------------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ------------------------------------------------------------
   Article card
   ------------------------------------------------------------ */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.15s;
}

.article-card:hover {
  box-shadow: var(--shadow-md), 0 0 20px rgba(0,212,255,0.1);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card-link {
  display: flex;
  flex-direction: column;
  flex: 1;
  color: inherit;
  text-decoration: none;
}

/* 実画像 */
.card-image {
  height: 180px;
  overflow: hidden;
  flex-shrink: 0;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.article-card:hover .card-image img {
  transform: scale(1.04);
}

/* フォールバックサムネイル（画像なし） */
.card-thumb {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  flex-shrink: 0;
}

.card-thumb-icon {
  font-size: 2.8rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}

/* カテゴリ別フォールバック背景 */
.card-thumb[data-category="ゲーム全般"] { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.card-thumb[data-category="Nintendo"]   { background: linear-gradient(135deg, #cc0000, #ff4444); }
.card-thumb[data-category="PlayStation"]{ background: linear-gradient(135deg, #003087, #0072ce); }
.card-thumb[data-category="Xbox・PC"]   { background: linear-gradient(135deg, #107c10, #52b043); }
.card-thumb[data-category="インディー"] { background: linear-gradient(135deg, #6d28d9, #a78bfa); }
.card-thumb[data-category="e-スポーツ"] { background: linear-gradient(135deg, #ea580c, #fb923c); }
.card-thumb[data-category="国内"]       { background: linear-gradient(135deg, #1e3a5f, #2563eb); }
.card-thumb[data-category="海外"]       { background: linear-gradient(135deg, #065f46, #10b981); }

/* Card body */
.card-body {
  padding: 14px 16px 12px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
}

.source-badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 100px;
  background: #f1f5f9;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.card-date {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.category-tag {
  display: inline-block;
  font-size: 0.67rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-accent);
  color: #0d1117;
  margin-bottom: 8px;
  align-self: flex-start;
}

.card-title {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 8px;
}

.card-link:hover .card-title {
  color: var(--color-accent);
}

.card-curator {
  background: var(--curator-bg);
  border-left: 3px solid var(--curator-border);
  padding: 6px 10px;
  border-radius: 0 4px 4px 0;
  font-size: 0.78rem;
  color: var(--curator-text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.card-summary {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
}

.read-more {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* 元記事リンク */
.card-external-wrap {
  padding: 8px 16px;
  border-top: 1px solid var(--color-border-light);
}

.card-external {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.card-external:hover {
  color: var(--color-accent);
}

/* ------------------------------------------------------------
   Empty state
   ------------------------------------------------------------ */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   Article page
   ------------------------------------------------------------ */
.article-container {
  max-width: 720px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  color: var(--color-border);
}

.article-full {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

/* ヒーロー画像 */
.article-hero-image {
  width: 100%;
  max-height: 380px;
  overflow: hidden;
}

.article-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-header {
  padding: 28px 28px 0;
}

.article-meta-top {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}

.article-title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--color-text);
}

.article-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.btn-primary-large {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--color-accent);
  color: #0d1117;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 24px;
  transition: background 0.15s;
}

.btn-primary-large:hover {
  background: var(--color-accent-hover);
  color: #0d1117;
}

/* 編集部のひとこと（記事ページ） */
.article-curator {
  background: var(--curator-bg);
  border-left: 3px solid var(--curator-border);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 0 28px 20px;
}

.curator-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.curator-body {
  font-size: 0.88rem;
  color: var(--curator-text);
  line-height: 1.7;
}

.article-summary-section {
  border-top: 1px solid var(--color-border-light);
  padding: 20px 28px 28px;
}

.summary-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.article-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #374151;
}

/* Markdown レンダリング */
.prose p {
  margin-bottom: 1.2em;
}
.prose p:last-child {
  margin-bottom: 0;
}
.prose strong {
  font-weight: 700;
  color: var(--color-text);
}
.prose em {
  font-style: italic;
}
.prose code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.875em;
  background: #f1f5f9;
  color: #0f172a;
  padding: 0.15em 0.4em;
  border-radius: 3px;
}
.prose ul,
.prose ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}
.prose li {
  margin-bottom: 0.4em;
}
.prose h2,
.prose h3 {
  font-weight: 700;
  color: var(--color-text);
  margin: 1.4em 0 0.6em;
}
.prose h2 { font-size: 1.1rem; }
.prose h3 { font-size: 1rem; }
.prose blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: 1em;
  color: var(--color-text-muted);
  margin: 1em 0;
  font-style: italic;
}

/* ------------------------------------------------------------
   Article navigation
   ------------------------------------------------------------ */
.related-articles {
  margin: 48px 0 32px;
}

.related-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.article-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s;
}

.article-nav-link:hover {
  border-color: var(--color-accent);
}

.article-nav-link.next {
  text-align: right;
}

.nav-dir {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.nav-title {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.footer-text a {
  color: var(--color-text-muted);
}

.footer-text a:hover {
  color: var(--color-accent);
}

/* ------------------------------------------------------------
   Scroll to top
   ------------------------------------------------------------ */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
}

.scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-accent);
  color: #0d1117;
  border-color: var(--color-accent);
}

/* ------------------------------------------------------------
   Pagination
   ------------------------------------------------------------ */
.pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 0 16px;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pagination-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-accent);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  cursor: pointer;
}

.pagination-btn:hover {
  background: var(--color-accent);
  color: #0d1117;
  border-color: var(--color-accent);
}

.pagination-btn.is-disabled {
  color: var(--color-text-muted);
  border-color: var(--color-border-light);
  cursor: default;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Header search
   ------------------------------------------------------------ */
.header-search {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.header-search-input {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  color: #fff;
  padding: 6px 14px;
  font-size: 0.85rem;
  width: 200px;
  outline: none;
  font-family: var(--font-sans);
}

.header-search-input:focus {
  border-color: var(--color-accent);
  background: rgba(0,212,255,0.08);
}

.header-search-input::placeholder {
  color: rgba(255,255,255,0.45);
}

.header-search-btn {
  background: #1a2332;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  color: #fff;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.header-search-btn:hover {
  background: #243447;
  border-color: var(--color-accent);
}

/* Search results page */
.search-container {
  padding: 32px 0 80px;
}

.search-heading {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.search-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.search-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid .article-card[data-featured="true"] {
    grid-column: 1 / 3;
  }
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid .article-card[data-featured="true"] {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-tagline {
    display: none;
  }

  .header-search-input {
    width: 110px;
    font-size: 0.8rem;
  }

  .article-header {
    padding: 20px 16px 0;
  }

  .article-curator {
    margin: 0 16px 16px;
  }

  .article-summary-section {
    padding: 16px 16px 20px;
  }

  .article-title {
    font-size: 1.2rem;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .page-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* カテゴリページ */
.category-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.category-tag {
  text-decoration: none;
  color: inherit;
}
.category-tag:hover {
  text-decoration: underline;
}