:root{--bg: #fafafa;--surface: #ffffff;--border: #e5e7eb;--text: #111827;--text-muted: #6b7280;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-hover: #b91c1c;--success: #059669;--radius: 6px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.6}.container{max-width:1100px;margin:0 auto;padding:0 20px}.admin-header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 0}.admin-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.admin-logo{font-weight:600;color:var(--text);text-decoration:none;font-size:15px}.admin-nav{display:flex;gap:6px}.admin-nav a{padding:6px 12px;border-radius:var(--radius);color:var(--text-muted);text-decoration:none;transition:background .15s,color .15s}.admin-nav a:hover{background:#f3f4f6;color:var(--text)}.admin-nav a.active{background:#eff6ff;color:var(--primary)}.admin-main{padding:32px 20px}h1{font-size:22px;margin:0 0 24px}h2{font-size:18px;margin:32px 0 16px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 14px;font-size:13px;font-weight:500;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}.btn:hover{background:#f9fafb;border-color:#d1d5db}.btn--primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn--primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn--danger{color:var(--danger);border-color:#fecaca}.btn--danger:hover{background:#fef2f2;border-color:var(--danger)}.posts-table{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);border-collapse:separate;border-spacing:0;overflow:hidden}.posts-table th,.posts-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.posts-table th{background:#f9fafb;font-weight:600;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.posts-table tr:last-child td{border-bottom:none}.posts-table .actions{display:flex;gap:6px}.badge{display:inline-block;padding:1px 8px;font-size:11px;border-radius:999px;background:#f3f4f6;color:var(--text-muted)}.badge--draft{background:#fef3c7;color:#92400e}.badge--published{background:#d1fae5;color:#065f46}.form{background:var(--surface);padding:24px;border:1px solid var(--border);border-radius:var(--radius);max-width:100%}.form-grid{display:grid;gap:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:500;font-size:13px;color:var(--text)}.field input[type=text],.field input[type=date],.field textarea{width:100%;padding:8px 12px;font-size:14px;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text)}.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.field textarea{resize:vertical;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.6}.field--checkbox{flex-direction:row;align-items:center;gap:8px}.hint{font-size:12px;color:var(--text-muted)}.form-actions{display:flex;gap:8px;justify-content:flex-end;padding-top:8px;border-top:1px solid var(--border);margin-top:8px}.editor-wrap{display:grid;grid-template-columns:1fr 1fr;gap:12px}.editor-wrap>.field{margin:0}.editor-toolbar{display:flex;gap:8px;margin-bottom:6px}.preview{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:16px;min-height:400px;font-size:14px;line-height:1.7;overflow-y:auto}.preview img{max-width:100%;height:auto}.preview pre{background:#f9fafb;padding:12px;border-radius:4px;overflow-x:auto;font-size:12px}.preview code{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.9em}.preview p code{background:#f3f4f6;padding:1px 5px;border-radius:3px}.alert{padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.alert--error{background:#fef2f2;border:1px solid #fecaca;color:var(--danger)}.alert--success{background:#f0fdf4;border:1px solid #bbf7d0;color:var(--success)}@media(max-width:800px){.form-row,.editor-wrap{grid-template-columns:1fr}.container{padding:0 12px}}