/* ===== 谢俊的项目集 · 极简深色主题 ===== */
:root{
  --bg:#0b0d10; --bg2:#10131a; --card:#12161f; --card2:#161b26;
  --fg:#e8ecf4; --fg2:#9aa4b8; --fg3:#6b7689;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --acc:#4ee1c1; --acc2:#7aa2ff; --warn:#ffcc66; --red:#ff6b7a;
  --grad:linear-gradient(120deg,#4ee1c1,#7aa2ff 60%,#b78aff);
  --radius:14px; --max:1140px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
[data-theme="light"]{
  --bg:#f6f7f9; --bg2:#eef1f5; --card:#ffffff; --card2:#f2f4f8;
  --fg:#141821; --fg2:#4b5566; --fg3:#7a8497;
  --line:rgba(10,15,25,.10); --line2:rgba(10,15,25,.18);
  --acc:#0d9f86; --acc2:#3b6cf0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.65;
  background-image:radial-gradient(900px 500px at 85% -10%,rgba(122,162,255,.10),transparent 60%),
                   radial-gradient(700px 400px at 5% 0%,rgba(78,225,193,.08),transparent 55%);}
a{color:var(--acc2);text-decoration:none}
a:hover{opacity:.85}
code{font-family:var(--mono);font-size:.9em;background:var(--card2);border:1px solid var(--line);
  padding:.12em .4em;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px 80px}

/* nav */
.nav{max-width:var(--max);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;letter-spacing:.02em;font-size:15px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--grad);box-shadow:0 0 18px rgba(78,225,193,.6)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px}
.nav-links a{color:var(--fg2)}.nav-links a:hover{color:var(--fg)}
.theme-btn{background:none;border:1px solid var(--line2);color:var(--fg2);width:34px;height:34px;
  border-radius:50%;cursor:pointer;font-size:15px;line-height:1}
.theme-btn:hover{color:var(--fg);border-color:var(--fg3)}

/* hero */
.hero{padding:64px 0 40px;border-bottom:1px solid var(--line);margin-bottom:36px;
  animation:rise .6s ease both}
.hero-kicker{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--acc);margin-bottom:18px}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.14;margin:0 0 18px;font-weight:800;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--fg2);font-size:16.5px;max-width:640px;margin:0 0 26px}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;font-family:var(--mono);font-size:13px;color:var(--fg3)}
.hero-stats b{color:var(--fg);font-size:18px;margin-right:6px}

/* mc block */
.mc{background:linear-gradient(135deg,rgba(78,225,193,.09),rgba(122,162,255,.07));
  border:1px solid var(--line2);border-radius:18px;padding:26px 28px;margin:0 0 44px;
  position:relative;overflow:hidden;animation:rise .7s .08s ease both}
.mc::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 200px at 100% 0,rgba(78,225,193,.12),transparent 70%)}
.mc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;position:relative;z-index:1}
.mc-label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acc);margin-bottom:6px}
.mc h2{margin:0;font-size:24px}
.mc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;position:relative;z-index:1}
.mc-stat{background:rgba(0,0,0,.18);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
[data-theme="light"] .mc-stat{background:rgba(255,255,255,.6)}
.mc-k{display:block;font-family:var(--mono);font-size:11px;color:var(--fg3);letter-spacing:.12em;margin-bottom:6px}
.mc-v{font-size:15px;font-weight:600}
.mc-v.on{color:var(--acc)} .mc-v.off{color:var(--red)}
.mc-actions{display:flex;gap:10px;margin-top:18px;position:relative;z-index:1}
.dot-load{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--warn);
  margin-right:6px;animation:pulse 1.2s infinite}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--fg);color:var(--bg);
  border:none;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .15s ease,opacity .15s ease}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line2)}
.btn.ghost:hover{border-color:var(--fg3)}

/* list */
.list-head{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:20px}
.list-head h2{font-size:22px;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--mono);font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line2);
  color:var(--fg2);background:transparent}
button.chip{cursor:pointer}
button.chip:hover{color:var(--fg);border-color:var(--fg3)}
button.chip.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.chip.cat{border-color:transparent;background:rgba(122,162,255,.12);color:var(--acc2)}
.chip.run{border-color:transparent;background:rgba(78,225,193,.12);color:var(--acc)}
.chip.arch{border-color:transparent;background:rgba(255,204,102,.12);color:var(--warn)}

/* grid & cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;color:var(--fg);transition:border-color .2s,transform .2s,background .2s;
  animation:rise .5s ease both}
.card:hover{border-color:var(--line2);transform:translateY(-3px);background:var(--card2);opacity:1}
.card-top{display:flex;justify-content:space-between;margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:17.5px;letter-spacing:-.01em}
.card p{margin:0 0 16px;color:var(--fg2);font-size:14px;flex:1}
.card-bottom{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:11px;color:var(--fg3);border:1px solid var(--line);padding:2px 8px;border-radius:6px}
.dl-hint{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--fg3)}

/* project detail */
.crumbs{font-family:var(--mono);font-size:12px;color:var(--fg3);margin:34px 0 22px;display:flex;gap:8px}
.crumbs a{color:var(--fg2)}
.proj-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:34px}
.proj-kicker{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--acc);margin-bottom:12px}
.proj-head h1{font-size:clamp(28px,4vw,44px);margin:0 0 14px;letter-spacing:-.02em;line-height:1.18}
.proj-sum{color:var(--fg2);font-size:16px;max-width:760px;margin:0 0 18px}
.proj-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.proj-body{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:44px;align-items:start}
.prose{font-size:15.5px;min-width:0}
.prose h2{font-size:20px;margin:38px 0 14px;padding-top:8px;border-top:1px solid var(--line)}
.prose h2:first-child{margin-top:0;border-top:none;padding-top:0}
.prose h3{font-size:16px;margin:24px 0 10px}
.prose p{margin:0 0 14px;color:var(--fg)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin:6px 0;color:var(--fg2)}
.prose strong{color:var(--fg)}
.prose blockquote{border-left:3px solid var(--acc);margin:16px 0;padding:6px 16px;color:var(--fg2);background:var(--card)}
.prose pre{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow:auto;font-size:13px}
.prose pre code{background:none;border:none;padding:0}
.feat li{color:var(--fg)}
.stack{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.tag.stack{color:var(--acc2);border-color:rgba(122,162,255,.35)}
.notes{background:rgba(255,204,102,.07);border:1px solid rgba(255,204,102,.25);border-radius:12px;padding:16px 20px;margin-top:30px}
.notes h2{border:none;margin:0 0 8px;font-size:16px;color:var(--warn);padding:0}
.notes li{color:var(--fg2)}

/* sidebar */
.side{position:sticky;top:24px;display:flex;flex-direction:column;gap:14px}
.download{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.dl-info{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.dl-info b{font-size:15px}
.dl-info .mono{font-family:var(--mono);font-size:11px;color:var(--fg3)}
.download .btn{width:100%}
.side-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.side-k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--fg3);margin-bottom:12px}
.kv{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:7px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:none}
.kv span{color:var(--fg3)}.kv b{color:var(--fg);text-align:right;font-weight:600}

/* footer */
.foot{max-width:var(--max);margin:60px auto 0;padding:26px 24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--fg3);font-size:13px}
.foot-links{display:flex;gap:18px}
.foot-links a{color:var(--fg3)}.foot-links a:hover{color:var(--fg)}

@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}

@media (max-width:900px){
  .proj-body{grid-template-columns:1fr;gap:28px}
  .side{position:static}
}
@media (max-width:640px){
  .wrap{padding:0 16px 60px}
  .nav{padding:16px}
  .hero{padding:40px 0 30px}
  .mc{padding:20px}
  .mc-grid{grid-template-columns:1fr 1fr}
  .hero-stats{gap:16px}
  .nav-links{gap:14px}
}