:root{--bg-primary: #111;--bg-secondary: #1a1a1a;--text-primary: #d4d4d4;--text-secondary: #888;--text-muted: #666;--accent: #d4d4d4;--accent-hover: #fff;--border: #333}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh;font-size:17px}a{color:var(--accent);text-decoration:underline;text-decoration-color:var(--text-muted);text-underline-offset:2px;transition:all .15s ease}a:hover{color:var(--accent-hover);text-decoration-color:var(--accent-hover)}.app{max-width:600px;margin:0 auto;padding:0 1.5rem}.header{padding:2rem 0 1.25rem;margin-bottom:1.5rem}.header__profile{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-bottom:.75rem;text-align:center}.header__avatar{width:72px;height:72px;border-radius:50%;filter:grayscale(100%)}.header__info{display:flex;flex-direction:column;align-items:center;gap:.25rem}.header__name{font-size:1.75rem;font-weight:400;color:var(--text-primary);letter-spacing:-.02em}.header__bio{font-size:1rem;color:var(--text-secondary);font-style:italic}.header__nav{display:flex;justify-content:center;gap:1.5rem}.header__nav a{color:var(--text-secondary);font-size:.9375rem;text-decoration:none;transition:color .15s ease}.header__nav a:hover,.header__nav a.active{color:var(--text-primary)}.post-item{padding:1.25rem 0;border-bottom:1px solid var(--border);cursor:pointer;transition:opacity .15s ease}.post-item:first-child{border-top:1px solid var(--border)}.post-item:hover{opacity:.8}.post-item__title{font-size:1.125rem;font-weight:400;margin-bottom:.375rem;color:var(--text-primary)}.post-item__meta{display:flex;align-items:center;gap:.75rem}.post-item__date{font-size:.875rem;color:var(--text-muted);font-style:italic}.post-item__excerpt{font-size:.9375rem;color:var(--text-secondary);margin-top:.5rem;line-height:1.6}.link-item{padding:1.25rem 0;border-bottom:1px solid var(--border);display:block;text-decoration:none}.link-item:first-child{border-top:1px solid var(--border)}.link-item:hover .link-item__title{color:var(--accent-hover);text-decoration-color:var(--accent-hover)}.link-item__title{font-size:1.125rem;font-weight:400;margin-bottom:.375rem;color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--text-muted);text-underline-offset:2px;transition:all .15s ease}.link-item__description{font-size:.9375rem;color:var(--text-secondary);margin-bottom:.375rem;line-height:1.6}.link-item__url{font-size:.8125rem;color:var(--text-muted);font-style:italic}.idea-item{padding:1.25rem 0;border-bottom:1px solid var(--border)}.idea-item:first-child{border-top:1px solid var(--border)}.idea-item__header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.5rem}.idea-item__title{font-size:1.125rem;font-weight:400;color:var(--text-primary)}.idea-item__date{font-size:.8125rem;color:var(--text-muted);font-style:italic}.idea-item__body{font-size:.9375rem;color:var(--text-secondary);line-height:1.7}.post-detail{padding-bottom:3rem}.post-detail__back{display:inline-block;color:var(--text-muted);margin-bottom:2rem;font-size:.875rem;text-decoration:none;font-style:italic}.post-detail__back:hover{color:var(--text-primary)}.post-detail__title{font-size:1.75rem;font-weight:400;margin-bottom:.5rem;color:var(--text-primary);letter-spacing:-.02em}.post-detail__date{font-size:.875rem;color:var(--text-muted);margin-bottom:2rem;font-style:italic}.post-detail__image{width:100%;margin-bottom:2rem;filter:grayscale(100%)}.post-detail__body{font-size:1rem;line-height:1.8;color:var(--text-secondary)}.post-detail__body p{margin-bottom:1.5rem}hr{border:none;border-top:1px solid var(--border);margin:2rem 0}.loading,.empty-state{padding:3rem 0;color:var(--text-muted);font-style:italic}@media (max-width: 600px){.header__profile{gap:1rem}.header__avatar{width:56px;height:56px}.header__name{font-size:1.5rem}.header__nav{gap:1rem}}