:root{--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #eef0ff;--bg: #f5f6fb;--surface: #ffffff;--surface-2: #f1f3f9;--text: #1f2430;--muted: #6b7280;--border: #e5e7ef;--danger: #dc2626;--danger-soft: #fdecec;--success: #15803d;--success-soft: #e8f7ee;--warning: #b45309;--warning-soft: #fef3e2;--shadow: 0 8px 24px rgba(24, 30, 54, .08);--radius: 14px;--sidebar-width: 264px}[data-theme=dark]{--primary: #818cf8;--primary-hover: #a5b4fc;--primary-soft: rgba(129, 140, 248, .14);--bg: #0e1118;--surface: #171b25;--surface-2: #202633;--text: #e7e9f0;--muted: #9aa3b4;--border: #2a3140;--danger: #f87171;--danger-soft: rgba(248, 113, 113, .14);--success: #4ade80;--success-soft: rgba(74, 222, 128, .12);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .12);--shadow: 0 10px 30px rgba(0, 0, 0, .35)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}input,textarea{width:100%;padding:11px 13px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;transition:border-color .15s,box-shadow .15s,background .2s}input::placeholder,textarea::placeholder{color:var(--muted)}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}textarea{resize:vertical}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);min-height:100vh}.main{min-width:0;display:flex;flex-direction:column}.content{width:100%;max-width:980px;margin:0 auto;padding:32px 28px 72px}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:18px;padding:22px 16px 18px;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;z-index:50}.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 16px;border-bottom:1px solid var(--border)}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;font-weight:800;font-size:18px;box-shadow:0 6px 16px #4f46e54d;flex:none}.brand-text{display:flex;flex-direction:column;line-height:1.3}.brand-text strong{font-size:16px}.brand-text small{color:var(--muted);font-size:11.5px;letter-spacing:.3px}.nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-title{margin:14px 10px 4px;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:500;transition:background .15s,color .15s}.nav-item svg{flex:none;opacity:.85}.nav-item:hover{background:var(--surface-2);color:var(--text)}.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600}.tag-cloud{display:flex;flex-wrap:wrap;gap:6px;padding:4px 8px}.tag-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;font-size:12px;border-radius:999px;background:var(--surface-2);color:var(--muted);transition:all .15s}.tag-chip:hover,.tag-chip.active{background:var(--primary-soft);color:var(--primary)}.tag-count{font-size:10.5px;opacity:.65}.sidebar-footer{display:flex;flex-direction:column;gap:12px;padding-top:14px;border-top:1px solid var(--border)}.theme-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 12px;background:var(--surface-2);color:var(--text);border:none;border-radius:10px;font-size:13px;cursor:pointer}.switch{position:relative;width:38px;height:20px;border-radius:999px;background:var(--border);transition:background .2s}.switch .knob{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--surface);box-shadow:0 1px 3px #00000040;transition:transform .2s}.switch.on{background:var(--primary)}.switch.on .knob{transform:translate(18px)}.user-box{display:flex;align-items:center;gap:10px;padding:0 4px}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:700;flex:none}.user-meta{display:flex;flex-direction:column;line-height:1.3;min-width:0;flex:1}.user-meta strong{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-meta small{font-size:11.5px;color:var(--muted)}.auth-box{display:flex;align-items:center;gap:8px}.auth-box .nav-item{flex:1;justify-content:center;border:1px solid var(--border)}.sidebar-backdrop{display:none}.topbar{display:none;position:sticky;top:0;z-index:30;align-items:center;gap:12px;padding:10px 16px;background:color-mix(in srgb,var(--surface) 86%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar-title{flex:1;font-weight:700}.icon-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);cursor:pointer}.icon-btn:hover{border-color:var(--primary);color:var(--primary)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 2px #1419320a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:1px solid transparent;border-radius:10px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,transform .1s,opacity .15s;white-space:nowrap}.btn:hover{background:var(--primary-hover)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn.ghost:hover{border-color:var(--primary);color:var(--primary);background:transparent}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover{filter:brightness(.92)}.btn-sm{padding:7px 14px;font-size:13px}.btn-block{width:100%}.link-btn{padding:0;background:none;border:none;color:var(--primary);font-size:13px;cursor:pointer}.link-btn:hover{text-decoration:underline}.danger-text{color:var(--danger)}.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--surface-2);color:var(--muted)}.badge.primary{background:var(--primary-soft);color:var(--primary)}.badge.warning{background:var(--warning-soft);color:var(--warning)}.badge.danger{background:var(--danger-soft);color:var(--danger)}.tag-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:12px;transition:all .15s}a.tag-badge:hover,.tag-badge.active{background:var(--primary-soft);color:var(--primary)}.error-msg{padding:10px 14px;margin-bottom:14px;background:var(--danger-soft);color:var(--danger);border-radius:10px;font-size:13.5px}.success-msg{padding:10px 14px;margin-bottom:14px;background:var(--success-soft);color:var(--success);border-radius:10px;font-size:13.5px}.loading{padding:56px 0;text-align:center;color:var(--muted);font-size:14px}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:56px 20px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}.empty.small{padding:26px 16px;background:transparent;border:none;font-size:13.5px}.empty-title{font-size:16px;font-weight:600;color:var(--text)}.hint{color:var(--muted);font-size:12.5px}.spacer{flex:1}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.eyebrow{font-size:11.5px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--primary);margin-bottom:4px}.page-title{font-size:28px;font-weight:800;letter-spacing:-.4px;line-height:1.25}.page-sub{margin-top:4px;color:var(--muted);font-size:13.5px}.back-link{display:inline-block;margin-bottom:16px;color:var(--muted);font-size:13.5px}.back-link:hover{color:var(--primary)}.toolbar{display:flex;align-items:center;gap:16px;padding:14px 16px;margin-bottom:16px}.search-box{position:relative;flex:1;display:flex;align-items:center;gap:8px;padding:0 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;color:var(--muted);transition:border-color .15s}.search-box:focus-within{border-color:var(--primary)}.search-box input{padding:9px 0;background:transparent;border:none;box-shadow:none}.search-box input:focus{box-shadow:none}.search-box input::-webkit-search-cancel-button{display:none}.search-clear{padding:0 4px;background:none;border:none;color:var(--muted);font-size:18px;line-height:1;cursor:pointer}.sort-tabs{display:flex;gap:4px;padding:3px;background:var(--surface-2);border-radius:10px}.sort-tabs button{padding:6px 14px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-size:13px;cursor:pointer}.sort-tabs button.active{background:var(--surface);color:var(--primary);font-weight:600;box-shadow:0 1px 3px #1419321a}.segmented{display:flex;gap:4px;padding:3px;background:var(--surface-2);border-radius:10px;flex:none}.segmented button{padding:6px 16px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-size:13px;cursor:pointer}.segmented button.active{background:var(--surface);color:var(--primary);font-weight:600;box-shadow:0 1px 3px #1419321a}.filter-bar{display:flex;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;background:var(--primary-soft);border-radius:10px;font-size:13px;color:var(--muted)}.list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;color:var(--muted);font-size:13px}.list-head strong{color:var(--text)}.post-list{display:flex;flex-direction:column;gap:14px}.post-card{padding:20px 22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:box-shadow .18s,transform .18s,border-color .18s}.post-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:color-mix(in srgb,var(--primary) 28%,var(--border))}.post-tags,.article-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.post-title{display:block;font-size:19px;font-weight:700;line-height:1.4;letter-spacing:-.2px}.post-title:hover{color:var(--primary)}.post-excerpt{margin-top:7px;color:var(--muted);font-size:13.5px;line-height:1.7}.post-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:13px;border-top:1px dashed var(--border);font-size:12.5px;color:var(--muted)}.post-author{display:flex;align-items:center;gap:7px;min-width:0}.author-name{color:var(--text);font-weight:600}.avatar-sm{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700;flex:none}.dot{opacity:.5}.post-stats{display:flex;gap:14px;flex:none}.post-stats .stat{display:inline-flex;align-items:center;gap:4px}.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin:26px 0 0}.page-btn{min-width:36px;height:36px;padding:0 12px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font-size:13px;cursor:pointer;transition:all .15s}.page-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.page-btn:disabled{opacity:.45;cursor:not-allowed}.article{padding:30px 34px 24px}.article-title{font-size:31px;font-weight:800;line-height:1.3;letter-spacing:-.6px;margin-bottom:16px}.article-meta{display:flex;align-items:center;gap:10px;padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--border)}.article-meta .avatar-sm{width:38px;height:38px;font-size:15px}.meta-text{display:flex;flex-direction:column;line-height:1.35;font-size:12.5px;color:var(--muted)}.meta-text strong{font-size:14px;color:var(--text)}.article-stats{margin-left:auto;display:flex;gap:12px;font-size:12.5px;color:var(--muted)}.article-content{white-space:pre-wrap;word-break:break-word;font-size:15.5px;line-height:1.9}.article-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px;padding-top:18px;border-top:1px solid var(--border)}.like-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-size:13.5px;cursor:pointer;transition:all .15s}.like-btn:hover{border-color:var(--primary);color:var(--primary)}.like-btn.liked{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:600}.owner-actions{display:flex;gap:8px}.comments{margin-top:18px;padding:24px 26px}.section-title{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;margin-bottom:16px}.count-pill{padding:1px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:600}.comment-form textarea{min-height:88px}.comment-form-footer{display:flex;align-items:center;justify-content:space-between;margin:-2px 0 18px}.login-hint{padding:16px;margin-bottom:18px;background:var(--surface-2);border-radius:10px;font-size:13.5px;color:var(--muted)}.login-hint a{color:var(--primary);font-weight:600}.comment-list{list-style:none;display:flex;flex-direction:column;gap:16px}.comment-item{display:flex;gap:11px;padding-top:16px;border-top:1px solid var(--border)}.comment-item:first-child{padding-top:0;border-top:none}.comment-body{flex:1;min-width:0}.comment-head{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted)}.comment-head strong{color:var(--text);font-size:13.5px}.comment-head .link-btn{margin-left:auto;font-size:12px}.comment-content{margin-top:4px;font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.editor{padding:26px 28px}.field{display:block;margin-bottom:16px}.field-label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--muted)}.field-hint{display:block;margin-top:6px;font-size:12px;color:var(--muted)}.editor-tabs{display:flex;align-items:center;gap:4px;margin:6px 0 10px;border-bottom:1px solid var(--border);padding-bottom:8px}.editor-tabs button{padding:6px 14px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-size:13px;cursor:pointer}.editor-tabs button.active{background:var(--primary-soft);color:var(--primary);font-weight:600}.editor-textarea{min-height:360px;line-height:1.8;font-size:15px}.editor-preview{min-height:360px;padding:20px 22px;background:var(--surface-2);border-radius:10px}.editor-preview h2{font-size:24px;margin-bottom:10px}.editor-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}.switch-row{display:flex;align-items:center;gap:9px;cursor:pointer}.switch-row input{width:18px;height:18px;accent-color:var(--primary)}.field-label-inline{font-size:13px;color:var(--muted)}.editor-actions{display:flex;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:18px}.stat-card{display:flex;flex-direction:column;gap:4px;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.stat-label{font-size:12.5px;color:var(--muted)}.stat-value{font-size:24px;font-weight:800;letter-spacing:-.5px;color:var(--primary)}.manage-list{display:flex;flex-direction:column;gap:12px}.manage-item{display:flex;align-items:center;gap:16px;padding:16px 20px}.manage-main{flex:1;min-width:0}.manage-title-row{display:flex;align-items:center;gap:9px}.manage-title{font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.manage-title:hover{color:var(--primary)}.manage-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:5px;font-size:12.5px;color:var(--muted)}.manage-actions{display:flex;gap:8px;flex:none}.profile-hero{display:flex;align-items:center;gap:18px;padding:24px;margin-bottom:18px}.profile-avatar{display:grid;place-items:center;width:74px;height:74px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;font-size:28px;font-weight:800;flex:none}.profile-info h2{display:flex;align-items:center;gap:9px;font-size:22px}.profile-info p{color:var(--muted);font-size:13.5px}.muted{color:var(--muted)}.recent-card{padding:22px 24px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.recent-list{list-style:none;display:flex;flex-direction:column}.recent-list li{display:flex;align-items:center;gap:10px;padding:11px 0;border-top:1px solid var(--border);font-size:13px}.recent-list li:first-child{border-top:none}.recent-title{flex:1;min-width:0;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-title:hover{color:var(--primary)}.recent-meta{color:var(--muted);font-size:12px;flex:none}.auth-page{display:flex;justify-content:center;padding:32px 0}.auth-card{width:100%;max-width:420px;padding:30px 32px 26px;text-align:center}.auth-logo{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 14px;border-radius:15px;background:linear-gradient(135deg,var(--primary),#8b5cf6);color:#fff;font-size:22px;font-weight:800;box-shadow:0 8px 20px #4f46e547}.auth-title{font-size:23px;font-weight:800}.auth-card .field{text-align:left;margin-top:14px}.auth-card .btn-block{margin-top:20px}.auth-switch{margin-top:16px;font-size:13px;color:var(--muted)}.auth-switch a{color:var(--primary);font-weight:600}.empty-page{display:flex;flex-direction:column;align-items:center;gap:10px;padding:90px 20px;text-align:center}.not-found-code{font-size:72px;font-weight:900;letter-spacing:-3px;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}@media (max-width: 900px){.app-shell{grid-template-columns:minmax(0,1fr)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;transform:translate(-100%);transition:transform .24s ease;box-shadow:var(--shadow)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:45;background:#0a0e186b;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.topbar{display:flex}.content{padding:22px 16px 56px}}@media (max-width: 640px){.page-head{flex-direction:column;align-items:stretch}.page-title{font-size:24px}.toolbar{flex-direction:column;align-items:stretch;gap:10px}.sort-tabs,.segmented{align-self:flex-start}.post-footer{flex-direction:column;align-items:flex-start}.article{padding:22px 18px 18px}.article-title{font-size:24px}.article-meta{flex-wrap:wrap}.article-stats{width:100%;margin-left:0}.article-actions,.editor-footer,.manage-item{flex-direction:column;align-items:stretch}.owner-actions,.manage-actions,.editor-actions{width:100%}.owner-actions>*,.manage-actions>*,.editor-actions>*{flex:1}.profile-hero{flex-direction:column;align-items:flex-start}.stats-grid{grid-template-columns:repeat(2,1fr)}}