:root{--primary: #667eea;--primary-dark: #5a67d8;--bg: #f7f8fa;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--danger: #ef4444}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:14px}.header-left .logo{width:48px;height:48px;border-radius:6px}.header-left .site-name{font-size:28px;font-weight:800;color:var(--text)}.header-left .site-name:hover{text-decoration:none}.header-right{display:flex;align-items:center;gap:16px}.header-right a,.header-right button{color:var(--text-secondary);font-size:14px;background:none;border:none;cursor:pointer}.header-right a:hover,.header-right button:hover{color:var(--primary)}.app-main{flex:1;max-width:720px;width:100%;margin:0 auto;padding:24px 16px}.card{background:var(--card);border-radius:10px;border:1px solid var(--border);padding:20px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;border-radius:6px;font-size:14px;font-weight:500;border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;transition:all .15s;gap:6px}.btn:hover{background:#f3f4f6}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:4px 12px;font-size:13px}input,textarea,select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--primary)}textarea{resize:vertical;min-height:100px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-size:13px;color:var(--text-secondary);font-weight:500}.post-item{margin-bottom:8px}.post-item.pinned{border-left:3px solid var(--primary);padding-left:17px}.post-title{font-size:18px;font-weight:600;margin-bottom:4px}.post-title a{color:var(--text)}.post-title a:hover{color:var(--primary);text-decoration:none}.post-meta{font-size:13px;color:var(--text-muted);display:flex;gap:12px;align-items:center}.pin-badge{background:var(--primary);color:#fff;font-size:11px;padding:1px 6px;border-radius:3px;font-weight:500}.post-content{line-height:1.8}.post-content h1,.post-content h2,.post-content h3{margin:24px 0 12px}.post-content p{margin-bottom:16px}.post-content img{max-width:100%;border-radius:8px;margin:16px 0;display:block}.post-content blockquote{border-left:3px solid var(--primary);padding-left:16px;color:var(--text-secondary);margin:16px 0}.post-content code{background:#f3f4f6;padding:2px 6px;border-radius:3px;font-size:.9em}.post-content pre{background:#1f2937;color:#e5e7eb;padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}.post-content pre code{background:none;padding:0}.auth-page{max-width:400px;margin:60px auto}.auth-page h2{text-align:center;margin-bottom:24px;font-size:24px}.auth-page form{display:flex;flex-direction:column;gap:12px}.auth-page button[type=submit]{margin-top:8px;padding:12px}.mnemonic-box{background:#f0f4ff;border:2px dashed var(--primary);border-radius:8px;padding:16px;text-align:center;margin-bottom:8px}.mnemonic-box .phrase{font-size:24px;font-weight:700;letter-spacing:4px;color:var(--primary)}.mnemonic-box .hint{font-size:12px;color:var(--text-muted);margin-top:4px}.editor-page{max-width:800px}.editor-title{font-size:24px;font-weight:700;border:none;padding:12px 0;margin-bottom:16px}.editor-title:focus{border-color:transparent;box-shadow:none}.editor-content{font-size:16px;min-height:400px;border:none;resize:none;padding:0}.editor-content:focus{border-color:transparent;box-shadow:none}.editor-actions{display:flex;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.editor-toolbar{display:flex;align-items:center;gap:4px;padding:8px 12px;background:var(--card);border:1px solid var(--border);border-radius:8px 8px 0 0;border-bottom:none;flex-wrap:wrap}.toolbar-btn{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 8px;border:1px solid transparent;border-radius:4px;background:none;color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .12s;font-family:inherit}.toolbar-btn:hover{background:#f3f4f6;border-color:var(--border);color:var(--text)}.toolbar-btn:active{background:#e5e7eb}.toolbar-divider{display:inline-block;width:1px;height:20px;background:var(--border);margin:0 4px}.list-indicator{display:inline-flex;align-items:center;font-size:12px;color:var(--primary);font-weight:500;padding:2px 8px;background:#f0f4ff;border-radius:4px;gap:4px}.editor-textarea-wrapper{position:relative;border:1px solid var(--border);border-radius:0 0 8px 8px;padding:16px;transition:background .15s,border-color .15s}.editor-textarea-wrapper.list-active{background:#f8faff;border-color:var(--primary);border-left:3px solid var(--primary)}.editor-textarea-wrapper .editor-content{min-height:380px}.editor-textarea-wrapper.list-active .editor-content{background:transparent}.editor-preview{margin-top:16px;border:1px solid var(--border);border-radius:8px;overflow:hidden}.editor-preview-summary{padding:10px 14px;font-size:14px;font-weight:500;color:var(--text-secondary);cursor:pointer;background:var(--card);-webkit-user-select:none;user-select:none}.editor-preview-summary:hover{color:var(--text)}.editor-preview-body{padding:16px;border-top:1px solid var(--border);background:var(--card)}.draft-item:hover{background:#f8f9ff;border-color:var(--primary)!important}.image-upload-area{border:2px dashed var(--border);border-radius:8px;padding:20px;text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:16px;cursor:pointer;transition:border-color .15s}.image-upload-area:hover{border-color:var(--primary)}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-bottom:16px}.image-grid img{width:100%;height:100px;object-fit:cover;border-radius:6px}.like-btn{display:inline-flex;align-items:center;gap:4px;background:none;border:1px solid var(--border);border-radius:20px;padding:6px 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var(--border);color:var(--text-secondary)}.follow-btn.not-following{background:var(--primary);border-color:var(--primary);color:#fff}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:16px}.tab{padding:8px 16px;font-size:14px;color:var(--text-secondary);border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:500}.post-page-single{max-width:720px;margin:0 auto}.post-author-bar{display:flex;align-items:center;gap:12px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--border)}.author-avatar-sm{display:block;width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0}.author-avatar-sm img{width:100%;height:100%;object-fit:cover}.author-avatar-placeholder-sm{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:700;font-size:18px}.author-meta{display:flex;flex-direction:column;gap:2px}.author-name-sm{font-size:15px;font-weight:600;color:var(--text)}.author-name-sm:hover{color:var(--primary);text-decoration:none}.post-date-sm{font-size:12px;color:var(--text-muted)}.post-actions-bar{display:flex;gap:8px;align-items:center;margin-top:16px}@media print{.app-header,.publish-entry,.post-actions-bar{display:none!important}.post-page-single .card{border:none;box-shadow:none;padding:0;margin:0}.post-author-bar{border-bottom:1px solid #333}}.app-main:has(.post-page-3col){max-width:1200px}.post-page-3col{display:grid;grid-template-columns:200px 1fr 200px;gap:20px;align-items:start;max-width:1200px;margin:0 auto}@media(max-width:1100px){.post-page-3col{grid-template-columns:1fr}.post-col.post-left,.post-col.post-right{display:none}}.post-author-card .author-avatar{width:60px;height:60px;border-radius:50%;overflow:hidden;margin-bottom:12px}.post-author-card .author-avatar img{width:100%;height:100%;object-fit:cover}.author-avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:700;font-size:24px}.author-info{margin-bottom:12px}.author-name{font-size:15px;font-weight:600;color:var(--text)}.author-bio{font-size:12px;color:var(--text-secondary);margin-top:4px;line-height:1.4}.post-meta-side{font-size:12px;color:var(--text-muted);line-height:1.6}.post-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.tag{font-size:11px;padding:2px 8px;background:#f3f4f6;border-radius:10px;color:var(--text-secondary)}.post-title-lg{font-size:28px;margin-bottom:20px;line-height:1.3}.qr-section{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:16px}.qr-code{display:flex;justify-content:center;align-items:center;width:160px;height:160px}.qr-code canvas,.qr-code img{border-radius:8px;max-width:100%;max-height:100%}.qr-hint{font-size:12px;color:var(--text-muted)}.action-buttons{display:flex;flex-direction:column;gap:8px}.action-buttons .btn,.action-buttons .like-btn{width:100%;justify-content:center}.print-header{display:none}@media print{.app-header,.editor-actions,.follow-btn,form,.image-upload-area,.publish-entry{display:none!important}.post-page-3col{display:block;max-width:100%;padding:0;margin:0}.post-col.post-left,.post-col.post-right{display:none!important}.post-middle .card{border:none;box-shadow:none;padding:0;margin:0}.post-title-lg{font-size:24px;margin-bottom:16px;column-span:all}.post-middle .post-content{column-count:3;column-gap:20px;column-rule:1px solid #ddd}.post-middle .post-content p{margin-bottom:12px;orphans:3;widows:3}.post-middle .post-content h1,.post-middle .post-content h2,.post-middle .post-content h3{column-span:all;margin-top:12px;margin-bottom:8px}.post-middle .post-content img{max-width:100%!important;column-span:all;margin:8px 0}.post-middle .post-content pre{column-span:all;break-inside:avoid}.post-middle .post-content blockquote{break-inside:avoid}.post-middle figure{column-span:all;break-inside:avoid}.print-header{display:flex!important;justify-content:space-between;align-items:center;padding:0 0 16px;margin-bottom:16px;border-bottom:2px solid #333}.print-header-left{display:flex;align-items:center;gap:10px}.print-logo{width:36px;height:36px;border-radius:4px}.print-site-name{font-size:20px;font-weight:800;color:#000}.print-header-right{display:flex;align-items:center;gap:12px}.print-url{font-size:11px;color:#555;max-width:260px;word-break:break-all}}.loading{text-align:center;padding:40px;color:var(--text-muted)}.error-msg{text-align:center;padding:40px;color:var(--danger)}.empty{text-align:center;padding:40px;color:var(--text-muted)}.publish-entry{margin-top:8px;font-size:12px;color:var(--text-muted);text-align:center}.mnemonic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}.mnemonic-word-item{display:flex;align-items:center;gap:8px;padding:12px 10px;background:#f8f9ff;border:1px solid var(--border);border-radius:8px;transition:all .15s}.mnemonic-word-item:hover{border-color:var(--primary);background:#f0f4ff}.mnemonic-index{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-size:12px;font-weight:600;flex-shrink:0}.mnemonic-word{font-size:16px;font-weight:600;color:var(--text)}.mnemonic-actions{display:flex;gap:10px;justify-content:center;margin-top:8px}.mnemonic-actions .btn{flex:1}.mnemonic-textarea{font-size:15px;line-height:1.8;letter-spacing:.5px;font-family:inherit}.mnemonic-chips{margin-bottom:16px}.mnemonic-chips-count{text-align:center;font-size:13px;color:var(--text-secondary);margin-bottom:8px;font-weight:600}.mnemonic-chips-count[data-complete=true]{color:#10b981}.mnemonic-chips-list{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.mnemonic-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:#f0f4ff;border:1px solid var(--border);border-radius:6px;font-size:14px;font-weight:500;color:var(--text)}.mnemonic-chip small{color:var(--primary);font-weight:600;font-size:11px}