/* flash.wadai-jp.com - MVP Styles */

:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-surface-hover: #242424;
  --color-border: #2a2a2a;
  --color-text: #e0e0e0;
  --color-text-muted: #888;
  --color-accent: #ff4444;
  --color-accent-soft: #ff444420;
  --color-link: #6eb5ff;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  --max-width: 720px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 20px;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.site-logo:hover { text-decoration: none; opacity: 0.85; }
.site-tagline {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.site-tagline a { color: var(--color-text-muted); }

/* Main */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 20px;
  margin-top: 48px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.footer-inner a { color: var(--color-text-muted); }

/* Article Feed (Top Page) */
.feed { display: flex; flex-direction: column; gap: 2px; }

.feed-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background 0.15s;
}
.feed-item:hover {
  text-decoration: none;
  background: var(--color-surface);
  margin: 0 -20px;
  padding: 16px 20px;
}
.feed-item-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.feed-item-category {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
}
.feed-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
}
.feed-item-summary {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Article Page */
.article-header { margin-bottom: 32px; }
.article-category {
  display: inline-block;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.75rem;
  margin-bottom: 12px;
}
.article-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 8px;
}
.article-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.article-summary-box {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 32px;
}
.article-summary-box p {
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 0.85rem;
}
.article-summary-box ul {
  list-style: none;
  padding: 0;
}
.article-summary-box li {
  font-size: 0.9rem;
  line-height: 1.6;
  padding: 2px 0;
}
.article-summary-box li::before {
  content: '—';
  color: var(--color-accent);
  margin-right: 8px;
}

.article-body {
  font-size: 0.95rem;
  line-height: 1.85;
}
.article-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.article-body p { margin-bottom: 16px; }
.article-body a { color: var(--color-link); }

.article-sources {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.article-sources h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.article-sources ul { list-style: none; padding: 0; }
.article-sources li {
  font-size: 0.8rem;
  margin-bottom: 4px;
}

/* Back link */
.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 32px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}
.empty-state p { font-size: 1.1rem; }

/* Responsive */
@media (max-width: 600px) {
  .article-title { font-size: 1.25rem; }
  .feed-item-title { font-size: 0.95rem; }
}