:root{--bg:#0f1419;--bg-elev:#171d25;--bg-card:#1c2430;--line:#2a3544;--text:#e8eef6;--muted:#8b9bb0;--accent:#3ecf8e;--accent-dim:#2a9b6a;--chip:#243041;--danger:#f07178;--shadow:0 12px 40px rgba(0,0,0,0.35);--radius:14px;--font:"IBM Plex Sans","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;--mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,rgba(62,207,142,.12),transparent 55%),radial-gradient(900px 500px at 100% 0,rgba(80,140,255,.1),transparent 50%),var(--bg);color:var(--text);font-family:var(--font)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.shell{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:28px 0 64px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}.brand{display:flex;flex-direction:column;gap:6px}.brand-kicker{color:var(--accent);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-family:var(--mono)}.brand h1{margin:0;font-size:clamp(28px,4vw,40px);font-weight:600;letter-spacing:-.02em}.brand p{margin:0;color:var(--muted);max-width:42rem;line-height:1.55}.meta-line{color:var(--muted);font-size:13px;font-family:var(--mono)}.mobile-tabs{display:none;gap:8px;margin-bottom:16px}.board{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.panel{background:color-mix(in srgb,var(--bg-elev) 92%,transparent);border:1px solid var(--line);border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow);overflow:hidden;min-height:520px}.panel-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 12px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}.panel-title{display:flex;align-items:baseline;gap:10px}.panel-title h2{margin:0;font-size:18px}.panel-title span{color:var(--muted);font-size:12px;font-family:var(--mono)}.seg{display:inline-flex;padding:3px;gap:2px;border-radius:999px;background:var(--chip);border:1px solid var(--line)}.seg button{border:0;background:transparent;color:var(--muted);padding:6px 12px;border-radius:999px;font-size:13px}.seg button.active{background:var(--accent);color:#062416;font-weight:600}.heat-switch{display:flex;align-items:center;gap:8px;padding:0 16px 12px}.heat-switch label{color:var(--muted);font-size:12px}.list{display:flex;flex-direction:column;gap:10px;padding:0 12px 16px}.card{display:block;padding:14px;border-radius:var(--radius);background:var(--bg-card);border:1px solid transparent;transition:border-color .15s ease,transform .15s ease}.card:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-1px)}.card-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.card-name{margin:0;font-size:16px;font-weight:600}.card-author{margin:2px 0 0}.card-author,.card-stats{color:var(--muted);font-size:12px;font-family:var(--mono)}.card-stats{text-align:right;white-space:nowrap}.card-summary{margin:0 0 10px;color:#c6d2e1;font-size:14px;line-height:1.55;white-space:pre-wrap}.card-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11px;color:var(--muted);background:var(--chip);border:1px solid var(--line);border-radius:999px;padding:3px 8px}.empty,.error,.loading{padding:28px 16px;color:var(--muted);text-align:center}.error{color:var(--danger)}.detail{width:min(800px,calc(100% - 32px));margin:0 auto;padding:28px 0 64px}.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);margin-bottom:18px;font-size:14px}.back:hover{color:var(--text)}.detail-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:calc(var(--radius) + 4px);padding:24px;box-shadow:var(--shadow)}.detail-card h1{margin:0 0 8px;font-size:clamp(26px,4vw,34px)}.detail-meta{display:flex;flex-wrap:wrap;gap:10px 16px;color:var(--muted);font-size:13px;font-family:var(--mono);margin-bottom:18px}.detail-body{white-space:pre-wrap;line-height:1.7;color:#d5deea;font-size:15px;margin-bottom:22px}.actions{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--chip);color:var(--text);font-size:14px}.btn.primary{background:var(--accent);border-color:var(--accent-dim);color:#062416;font-weight:600}.footer-note{margin-top:28px;color:var(--muted);font-size:12px;line-height:1.5}@media (max-width:900px){.mobile-tabs{display:flex}.board{grid-template-columns:1fr}.board .panel.hide-mobile{display:none}.topbar{flex-direction:column;align-items:flex-start}}