:root{--bg:#f5f6f8;--surface:#fff;--border:#e3e6ea;--text:#1b1f24;--muted:#6b7280;--accent:#2563eb;--accent-hover:#1d4ed8;--radius:10px;--maxw:920px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header .inner{max-width:var(--maxw);margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:inline-flex;align-items:center}.brand-logo{height:40px;width:auto;display:block}.header-actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.btn:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}main{padding:24px 0 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.list-row{display:flex;align-items:center;gap:14px;padding:16px;border-bottom:1px solid var(--border);transition:background .12s}.list-row:last-child{border-bottom:none}.list-row:hover{background:#fafbfc}.row-main{flex:1 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var(--border);border-radius:var(--radius);padding:18px;margin-bottom:12px}.post-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.avatar{width:36px;height:36px;border-radius:50%;background:#dbeafe;object-fit:cover;flex-shrink:0}.post-author{font-weight:600;font-size:14px}.post-time{color:var(--muted);font-size:12px}.post-body{white-space:pre-wrap;word-break:break-word}.post-body a{color:var(--accent);word-break:break-all}.post-body a:hover{text-decoration:underline}.post-video{display:block;max-width:100%;max-height:480px;margin:10px 0;border-radius:8px;background:#000}.thread-title{font-size:22px;font-weight:700;margin:0 0 16px}.form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.form label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}.form input[type=text],.form select,.form textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:15px;font-family:inherit;background:#fff;margin-bottom:16px}.form textarea{min-height:140px;resize:vertical}.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}.form-error{color:#dc2626;font-size:13px;margin:0 0 12px}.empty{padding:48px 16px}.empty,.signin-prompt{text-align:center;color:var(--muted)}.signin-prompt{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);padding:20px}.signin-prompt a{color:var(--accent);font-weight:600}.site-footer{border-top:1px solid var(--border);color:var(--muted);font-size:13px;text-align:center;padding:24px 16px}.clerk-centered{display:flex;justify-content:center;padding:48px 0}.month-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px}.month-card{display:block;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);transition:transform .12s,box-shadow 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img{transform:scale(1.05)}.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center}.lb-img{max-width:92vw;max-height:88vh;object-fit:contain;cursor:default}.lb-close{top:14px;right:18px;font-size:34px;line-height:1}.lb-close,.lb-nav{position:absolute;color:#fff;background:none;border:none;cursor:pointer}.lb-nav{top:50%;transform:translateY(-50%);font-size:48px;padding:0 18px;opacity:.7}.lb-nav:hover{opacity:1}.lb-prev{left:4px}.lb-next{right:4px}.lb-counter{bottom:16px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.5);padding:4px 12px;border-radius:999px}.lb-counter,.lb-delete{position:absolute;color:#fff;font-size:14px}.lb-delete{bottom:14px;right:18px;background:#dc2626;border:none;border-radius:8px;padding:8px 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var(--border)}.uploader-thumb button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;border:none;background:#111827;color:#fff;font-size:14px;line-height:1;cursor:pointer}.uploader-btn{cursor:pointer}.post-images{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.post-images img{max-width:220px;max-height:220px;border-radius:8px;border:1px solid var(--border);object-fit:cover}.admin-nav{display:flex;gap:8px;margin-bottom:20px}.admin-nav a{padding:6px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font-size:14px}.admin-nav a:hover{border-color:var(--accent);color:var(--accent)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}.stat-value{font-size:32px;font-weight:700}.stat-label{color:var(--muted);font-size:14px;margin-top:4px}.admin-boards{display:flex;flex-direction:column;gap:14px}.admin-board-grid{display:grid;grid-template-columns:1fr 100px;grid-gap:12px;gap:12px}.admin-board-meta{margin-bottom:12px}.admin-board-actions,.admin-board-meta{display:flex;gap:8px}