:root { --bg: #ffffff; --text: #111111; --muted: #666666; --border: #eaeaea; --accent: #0070f3; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; margin: 0; padding: 0; line-height: 1.6; color: var(--text); background: var(--bg); }
.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }

.site-header { border-bottom: 1px solid var(--border); padding: 30px 0; margin-bottom: 30px; }
.site-header h1 { font-weight: 900; font-size: 1.8rem; letter-spacing: -1px; margin: 0; }
.site-header h1 a { color: var(--text); text-decoration: none; }
.tagline { color: var(--muted); font-size: 0.95rem; margin-top: 5px; }

.feed-heading { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 15px; font-weight: 700; }
.item { display: flex; justify-content: space-between; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--border); text-decoration: none; color: inherit; }
.item:hover { opacity: 0.7; }
.title { font-weight: 500; flex: 1; padding-right: 20px; font-size: 1.05rem; }
.price { font-weight: 700; color: #d32f2f; font-size: 1.1rem; white-space: nowrap; }

.product-view .back { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.product-view h1 { font-size: 1.4rem; font-weight: 700; margin-top: 15px; letter-spacing: -0.5px; }
.price-hero { font-size: 2.5rem; font-weight: 800; color: #d32f2f; margin: 20px 0; }
.cta-button { display: block; background: #000; color: #fff; padding: 16px; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 1.1rem; text-align: center; margin: 30px 0; }
.cta-button:hover { background: #333; }
.data-box { background: #f9f9f9; border: 1px solid var(--border); padding: 20px; border-radius: 6px; font-size: 0.9rem; margin-top: 20px; }
.data-box ul { margin: 0; padding-left: 20px; color: var(--muted); }

.site-footer { margin-top: 60px; border-top: 1px solid var(--border); padding: 30px 0; font-size: 0.8rem; color: var(--muted); }
.footer-links { display: flex; gap: 15px; margin: 10px 0; }
.footer-links a { color: var(--muted); text-decoration: underline; }
.ftc-notice { font-style: italic; }