/* ======= Design Tokens ======= */
:root {
  --bg: #F8F9FB;
  --surface: #FFF;
  --surface-hover: #F1F3F5;
  --text-primary: #1A1D23;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --accent: #2563EB;
  --accent-soft: #EFF6FF;
  --accent-warm: #F59E0B;
  --border: #D1D5DB;
  --border-light: #E5E7EB;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 24px rgba(0,0,0,.06);
  --font-sans: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono: "JetBrains Mono","SF Mono","Fira Code",Consolas,monospace;
  --font-display: "Inter","PingFang SC",sans-serif;
}

[data-scheme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-hover: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --border-light: #1e293b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.2);
  --shadow-md: 0 4px 24px rgba(0,0,0,.3);
}

/* ======= Reset ======= */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth;scrollbar-gutter:stable}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--text-primary);text-decoration:none}
a:hover{color:var(--accent)}

/* ======= Page Layout ======= */
.page-wrap{max-width:1320px;margin:0 auto;padding:0 24px;min-height:100vh;display:grid;grid-template-columns:240px 1fr 280px;grid-template-rows:1fr auto;background:var(--surface);box-shadow:var(--shadow-md)}
.left-sidebar{grid-column:1;grid-row:1/-1;padding:32px 16px;border-right:1px solid var(--border-light);position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.center-content{grid-column:2;grid-row:1/-1;padding:32px 32px 0;min-width:0;max-width:100%}
.right-sidebar{grid-column:3;grid-row:1/-1;padding:32px 16px;border-left:1px solid var(--border-light);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:24px}
.footer-bar{grid-column:1/-1;padding:16px 32px;border-top:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-muted)}
.footer-bar .links{display:flex;gap:16px}
.footer-bar .links a{color:var(--text-muted);font-size:13px}
.footer-bar .links a:hover{color:var(--accent)}

/* ======= Left Sidebar ======= */
.left-logo{text-align:center;margin-bottom:32px}
.left-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#2563EB,#7C3AED);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin:0 auto 12px}
.left-brand{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:4px}
.left-desc{font-size:12px;color:var(--text-muted);line-height:1.5}
.left-nav{display:flex;flex-direction:column;gap:2px}
.left-nav a{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--text-secondary);transition:all .15s}
.left-nav a:hover,.left-nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:500}
.left-nav a .icon{font-size:16px;width:20px;text-align:center}
.left-footer{margin-top:16px;padding-top:16px;border-top:1px solid var(--border-light);display:flex;flex-direction:column;gap:6px}
.left-footer .dark-toggle,.left-footer a{padding:6px 8px;border-radius:6px;display:block;font-size:13px;color:var(--text-muted);cursor:pointer;transition:all .15s}
.left-footer .dark-toggle:hover,.left-footer a:hover{background:var(--surface-hover);color:var(--text-primary)}

/* ======= Right Sidebar ======= */
.rwidget{display:flex;flex-direction:column;gap:12px}
.rwidget-title{font-size:13px;font-weight:600;color:var(--text-primary);padding-bottom:8px;border-bottom:1px solid var(--border-light);letter-spacing:.3px}
.rwidget-tags{display:flex;flex-wrap:wrap;gap:6px}
.rwidget-tags a{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border);transition:all .15s}
.rwidget-tags a:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.rwidget-list{display:flex;flex-direction:column;gap:8px}
.rwidget-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);transition:background .15s}
.rwidget-item:hover{background:var(--surface-hover)}
.rwidget-item .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.rwidget-item span{font-size:14px;font-weight:500;color:var(--text-primary)}
.rwidget-item .d{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ======= Hero ======= */
.hero-compact{margin-bottom:32px}
.badge-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.badge{font-size:11px;padding:3px 10px;border-radius:20px;background:var(--accent-soft);color:var(--accent);font-weight:500}
.hero-compact h1{font-size:28px;font-weight:800;line-height:1.25;margin-bottom:8px;color:var(--text-primary)}
.hero-compact p{font-size:14px;color:var(--text-muted)}

/* ======= Article List ======= */
.sec-title{display:flex;align-items:baseline;gap:8px;margin-bottom:16px;padding-top:8px}
.sec-title h2{font-size:16px;font-weight:700;color:var(--text-primary)}
.sec-title .count{font-size:11px;color:var(--text-muted);background:var(--bg);padding:1px 8px;border-radius:10px}
.sec-title a{margin-left:auto;font-size:13px;color:var(--accent)}
.article-list{display:flex;flex-direction:column;gap:8px;margin-bottom:32px}

/* ======= Tags Inline ======= */
.tags-inline{display:flex;flex-wrap:wrap;gap:6px}
.tag-pill{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border);transition:all .15s}
.tag-pill:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}

/* ======= Article Content ======= */
.article-content h2{font-size:20px;font-weight:700;margin:32px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border-light);color:var(--text-primary)}
.article-content h3{font-size:17px;font-weight:600;margin:24px 0 8px;color:var(--text-primary)}
.article-content p{margin-bottom:14px;color:var(--text-secondary);line-height:1.8}
.article-content ul,.article-content ol{margin:8px 0 16px;padding-left:20px}
.article-content li{margin-bottom:6px;color:var(--text-secondary)}
.article-content blockquote{border-left:3px solid var(--accent);padding:10px 18px;margin:16px 0 20px;background:var(--bg);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-content blockquote p{margin-bottom:4px}
.article-content a{color:var(--accent);text-decoration:underline}
.article-content a:hover{color:#1d4ed8}
.article-content img{max-width:100%;border-radius:var(--radius-md);margin:16px 0}
.article-content table{width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:14px}
.article-content table th,.article-content table td{padding:8px 12px;border:1px solid var(--border);text-align:left}
.article-content table th{background:var(--bg);font-weight:600;color:var(--text-primary)}
.article-content table td{color:var(--text-secondary)}
.article-content strong{color:var(--text-primary)}
.article-content code{font-family:var(--font-mono);font-size:.9em;background:var(--bg);padding:2px 6px;border-radius:4px;color:var(--accent)}
.article-content pre{background:#0f172a;color:#e2e8f0;padding:16px 20px;border-radius:var(--radius-md);overflow-x:auto;font-size:13px;line-height:1.7;margin:16px 0;tab-size:2}
.article-content pre code{background:none;padding:0;border-radius:0;color:inherit;font-size:inherit}
.article-content hr{border:none;border-top:1px solid var(--border);margin:32px 0}

/* ======= Chroma Syntax Highlighting ======= */
.chroma{background:#0f172a;border-radius:var(--radius-md);overflow:hidden}
.chroma .err{color:#fca5a5}
.chroma .gp{color:#94a3b8}
.chroma .go{color:#64748b}
.chroma .gs{font-weight:700}
.chroma .gt{color:#fca5a5}
.chroma .gu{color:#64748b}
.chroma .ge{font-style:italic}
.chroma .kt{color:#a78bfa}
.chroma .nb{color:#7dd3fc}
.chroma .nf{color:#c4b5fd}
.chroma .nn{color:#e2e8f0}
.chroma .nv{color:#e2e8f0}
.chroma .nt{color:#fca5a5}
.chroma .ow{color:#fca5a5}
.chroma .p{color:#cbd5e1}
.chroma .ss{color:#86efac}
.chroma .il{color:#fde68a}
.chroma .cs{color:#94a3b8;font-style:italic}
.chroma .w{color:#64748b}
.chroma .hll{background:#334155}
.chroma .linenos{color:#64748b;user-select:none;padding-right:12px;text-align:right;border-right:1px solid #334155;margin-right:12px}

/* ======= Code Block Wrap ======= */
.code-block-wrap{position:relative;margin:16px 0}
.code-block-wrap pre{margin:0}
.copy-btn{position:absolute;top:8px;right:8px;font-size:11px;padding:4px 10px;border-radius:4px;background:#334155;color:#94a3b8;border:1px solid #475569;cursor:pointer;z-index:2;transition:all .15s;font-family:var(--font-sans)}
.copy-btn:hover{background:#475569;color:#e2e8f0}
.copy-btn.copied{background:#065f46;color:#6ee7b7;border-color:#065f46}

/* ======= Pagination ======= */
.pagination{display:flex;justify-content:center;gap:8px;margin:32px 0;list-style:none}
.pagination li a,.pagination li span{display:block;padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;border:1px solid var(--border);color:var(--text-secondary)}
.pagination li.active span{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination li a:hover{background:var(--surface-hover);color:var(--accent)}

/* ======= About/Resume ======= */
.resume-panel{max-width:640px;margin:0 auto}
.r-header{text-align:center;margin-bottom:32px}
.r-header h1{font-size:28px;font-weight:800;margin-bottom:4px}
.r-header .sub{font-size:14px;color:var(--text-muted)}
.r-header .contact{display:flex;justify-content:center;gap:16px;margin-top:8px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.r-section{margin-bottom:28px}
.r-section h3{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:6px;border-bottom:2px solid var(--accent);color:var(--text-primary)}
.r-item{margin-bottom:16px}
.r-item h4{font-size:14px;font-weight:600;color:var(--text-primary)}
.r-item .meta{font-size:12px;color:var(--text-muted)}
.r-item p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-top:4px}
.skill-group{margin-bottom:12px}
.skill-tag.highlight{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}

/* ======= Responsive ======= */
@media(max-width:1024px){
  .page-wrap{max-width:1320px;margin:0 auto;padding:0 24px;min-height:100vh;display:grid;grid-template-columns:240px 1fr 280px;grid-template-rows:1fr auto;background:var(--surface);box-shadow:var(--shadow-md)}
  .left-sidebar,.right-sidebar{display:none}
  .left-sidebar.mobile-show{display:flex;position:fixed;top:0;left:0;width:280px;height:100vh;z-index:100;background:var(--surface)}
  .center-content{grid-column:1/-1;padding:24px 16px}
  .right-sidebar{display:none}
  .mobile-nav{display:flex!important}
}

.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);padding:8px 16px;z-index:50;justify-content:space-around}
.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text-muted)}
.mobile-nav a .icon{font-size:18px}
.mobile-nav a.active{color:var(--accent)}

/* ======= About Page ======= */
.about-info h1{font-size:24px;font-weight:800;margin-bottom:4px}

.resume-entry-btn:hover{background:#1d4ed8;color:#fff;transform:translateY(-1px)}

/* ======= Resume Page ======= */
.resume-info h1{font-size:24px;font-weight:800;margin-bottom:4px}

.resume-item-desc ul{margin:4px 0 0 16px}
.resume-item-desc li{margin-bottom:4px}

/* ======= Dark Toggle ======= */
.dark-toggle{cursor:pointer}

/* ======= Inline Code ======= */
.article-content{min-height:200px}
.article-content p code{font-family:var(--font-mono);font-size:.9em;background:var(--bg);padding:2px 6px;border-radius:4px;color:var(--accent)}

/* ======= Hugo wrapper ======= */
.article{max-width:100%;width:100%}
.page{padding:0;max-width:100%}

/* ======= Chroma code blocks ======= */
.highlight{position:relative;margin:16px 0;border-radius:var(--radius-md);overflow-x:auto;overflow-y:hidden;background:#0f172a;max-width:100%}
.highlight pre{background:#0f172a;color:#e2e8f0;padding:16px 20px;overflow-x:auto;font-size:13px;line-height:1.7;margin:0;tab-size:2}
.highlight .chroma{margin:0;background:#0f172a}
.chroma .line{display:flex}
.chroma .cl{display:block;padding:0}
.language-text{background:transparent}
.link{color:var(--accent);text-decoration:underline}

/* ======= Search ======= */
.search-form{display:flex;gap:8px;margin-bottom:24px}
.search-form input{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:14px;background:var(--bg);color:var(--text-primary);outline:none}
.search-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.icon-tabler{width:20px;height:20px}
.icon-tabler-search{stroke:var(--text-muted)}
.search-result.hidden{display:none}
.search-result--title.section-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:16px}
.search-result--list{display:flex;flex-direction:column;gap:8px}
.article-list--compact a{display:block;padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--border);transition:all .15s;font-size:14px;color:var(--text-primary)}
.article-list--compact a:hover{background:var(--surface-hover);border-color:var(--accent)}
.section-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:16px}

/* ======= Tag cloud widget (from Stack theme) ======= */
.tag-cloud{display:flex;flex-direction:column;gap:12px}
.tag-cloud-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag-cloud-tags a{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border);transition:all .15s}
.tag-cloud-tags a:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.tag-cloud a{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border);transition:all .15s}
.tag-cloud a:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.widget-icon{display:none}
.widget-title{font-size:13px;font-weight:600;color:var(--text-primary);padding-bottom:8px;border-bottom:1px solid var(--border-light);letter-spacing:.3px;margin-bottom:12px}
.widget-title a{color:var(--text-primary)}

/* ======= about-info, resume-info ======= */

/* ======= Search standalone classes ======= */
.search-result{display:block}
.search-result--title{font-size:16px;font-weight:700;color:var(--text-primary)}
.article-list--compact{display:flex;flex-direction:column;gap:8px}

/* ======= Design refinements ======= */
body{scrollbar-gutter:stable}
.left-footer .dark-toggle,.left-footer a{padding:6px 8px;border-radius:6px;display:block;font-size:13px;color:var(--text-muted);cursor:pointer}
.left-footer .dark-toggle:hover,.left-footer a:hover{background:var(--surface-hover);color:var(--text-primary)}
.footer-bar{grid-column:1/-1;padding:16px 32px;border-top:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-muted)}
.footer-bar .links{display:flex;gap:16px}
.footer-bar .links a{color:var(--text-muted);font-size:13px}
.footer-bar .links a:hover{color:var(--accent)}

/* ======= Article header padding ======= */
.page.article .article-content{padding:0}
.article-content{overflow-x:auto;max-width:100%}
.article-content .highlight{margin:16px 0}

/* ===== Design v2 align: article items ===== */
.article-item{display:flex;align-items:flex-start;padding:20px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);text-decoration:none;transition:all .15s;gap:20px;color:inherit}
.article-item:hover{border-color:var(--accent);box-shadow:var(--shadow-md)}
.article-item .content{flex:1;min-width:0}
.article-item .cat{font-size:11px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:6px}
.article-item h3{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:4px;color:var(--text-primary)}
.article-item p{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-item .meta{margin-top:4px;font-size:12px;color:var(--text-muted);display:flex;gap:12px}
.article-item .thumb{width:80px;height:80px;border-radius:var(--radius-sm);background:var(--surface-hover);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--text-muted)}
.article-item.featured{background:linear-gradient(135deg,var(--accent-soft) 0%,#F5F3FF 100%);border-color:var(--accent)}
.article-item.featured .thumb{background:rgba(37,99,235,.1)}

/* ===== Design v2 align: resume panel ===== */
.resume-panel{padding:0 0 48px;max-width:640px;margin:0 auto}
.resume-panel .r-header{display:flex;gap:32px;align-items:center;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.resume-panel .ra{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#7C3AED);display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;font-weight:700;flex-shrink:0}
.resume-panel .ri h2{font-size:24px;font-weight:800;line-height:1.3}
.resume-panel .ri .t{font-size:14px;color:var(--text-secondary);margin-top:2px}
.resume-panel .ri .c{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--text-muted);margin-top:6px}
.resume-panel .rs{margin-bottom:28px}
.resume-panel .rs h3{font-size:15px;font-weight:700;margin-bottom:12px;display:flex;gap:8px;color:var(--text-primary)}
.resume-panel .rs h3::after{content:"";flex:1;height:1px;background:var(--border-light)}
.resume-panel .rs p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.resume-panel .ri-item{padding:12px 0;border-bottom:1px solid var(--border-light)}
.resume-panel .ri-item:last-child{border-bottom:none}
.resume-panel .ri-h{display:flex;justify-content:space-between;font-size:14px;align-items:flex-start;gap:12px}
.resume-panel .ri-h .tt{font-weight:600}
.resume-panel .ri-h .sub{color:var(--accent);font-weight:500}
.resume-panel .ri-h .date{color:var(--text-muted);font-size:12px;white-space:nowrap}
.resume-panel .ri-desc{font-size:13px;color:var(--text-secondary);margin-top:2px;line-height:1.6}
.resume-panel .ri-desc ul{margin:4px 0;padding-left:18px}
.resume-panel .ri-desc li{margin-bottom:2px}
.resume-panel .st{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.resume-panel .st span{font-size:12px;background:var(--surface-hover);border:1px solid var(--border);padding:3px 12px;border-radius:16px;color:var(--text-secondary)}
.resume-panel .st .hl{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.resume-panel .sg{margin:8px 0}
.resume-panel .sg-l{font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;display:block}

/* ===== About resume button ===== */
.about-resume{text-align:center;padding:20px 0;border-top:1px solid var(--border-light);margin-top:24px}
.about-resume .ar-hint{font-size:13px;color:var(--text-muted);margin-bottom:12px}
.about-resume .ar-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 28px;background:var(--accent);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-weight:600;font-size:14px;transition:all .15s}
.about-resume .ar-btn:hover{opacity:.9}

/* ===== Left brand ===== */
.left-brand{font-weight:700;font-size:16px;margin-bottom:2px}

/* Article cover image */
.article-cover{margin-bottom:24px;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg);box-shadow:var(--shadow-md);max-width:100%}
.article-cover img{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;border-radius:var(--radius-lg)}

/* Article list thumb as img */
.article-item .thumb{width:80px;height:80px;border-radius:var(--radius-sm);flex-shrink:0;object-fit:cover;display:block}