/* WeCore blog - Glass Premium (same tokens as wacore-design.css: gC-*, Sora + Space Grotesk) */
:root{--gC-bg0:#0a0d14;--gC-bg1:#0e1320;--gC-glass:rgba(22,28,44,.55);--gC-glass-2:rgba(30,38,58,.5);
  --gC-line:rgba(255,255,255,.07);--gC-line-2:rgba(255,255,255,.12);--gC-txt:#eef1f8;--gC-txt-2:#9aa3bd;--gC-txt-3:#5f6883;
  --gC-accent:#3ad6c5;--gC-accent-2:#5b8cff;--gC-grad:linear-gradient(120deg,#3ad6c5,#5b8cff);--gC-amber:#fcd34d}
*{box-sizing:border-box}
html{margin:0;background:var(--gC-bg0);-webkit-text-size-adjust:100%}
html::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(900px 500px at 12% -5%,rgba(91,140,255,.16),transparent 60%),radial-gradient(800px 600px at 92% 8%,rgba(58,214,197,.14),transparent 55%),radial-gradient(700px 700px at 60% 110%,rgba(91,140,255,.09),transparent 60%)}
body{margin:0;background:transparent;color:var(--gC-txt);font-family:'Sora',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;line-height:1.7;position:relative;min-height:100vh}
body>*{position:relative;z-index:1}
a{color:var(--gC-accent);text-decoration:none}
a:hover{text-decoration:underline}
.wc-wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.gc-card{background:var(--gC-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--gC-line);border-radius:20px}
/* header */
.wc-top{position:sticky;top:0;z-index:10;background:rgba(10,13,20,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--gC-line)}
.wc-top-in{display:flex;align-items:center;gap:22px;height:64px}
.gc-brand{display:flex;align-items:center;gap:10px;color:var(--gC-txt)}
.gc-brand:hover{text-decoration:none}
.gc-brand b{font-size:17px;font-weight:600}
.gc-logo{width:32px;height:32px;border-radius:10px;background:var(--gC-grad);display:grid;place-items:center;font-weight:700;color:#06121a;font-size:16px;box-shadow:0 6px 18px rgba(58,214,197,.35)}
.wc-nav{display:flex;gap:18px;flex:1}
.wc-nav a{color:var(--gC-txt-2);font-size:14px;font-weight:500}
.wc-nav a:hover{color:var(--gC-txt);text-decoration:none}
.wc-top-end{display:flex;align-items:center;gap:12px}
.wc-btn{display:inline-block;background:var(--gC-grad);color:#06121a;font-weight:700;font-size:14px;padding:9px 18px;border-radius:10px;box-shadow:0 4px 18px -6px rgba(91,140,255,.55);white-space:nowrap}
.wc-btn:hover{text-decoration:none;box-shadow:0 6px 24px -6px rgba(91,140,255,.75)}
.wc-btn-ghost{background:rgba(255,255,255,.05);color:var(--gC-txt);border:1px solid var(--gC-line-2);box-shadow:none}
.wc-lang{position:relative}
.wc-lang summary{list-style:none;cursor:pointer;color:var(--gC-txt-2);font-size:13px;border:1px solid var(--gC-line-2);border-radius:9px;padding:7px 12px}
.wc-lang summary::-webkit-details-marker{display:none}
.wc-lang-list{position:absolute;inset-inline-end:0;top:calc(100% + 6px);background:#121a2b;border:1px solid var(--gC-line-2);border-radius:12px;padding:6px;display:grid;grid-template-columns:1fr 1fr;gap:2px;min-width:240px;box-shadow:0 20px 40px rgba(0,0,0,.45)}
.wc-lang-list a{color:var(--gC-txt-2);font-size:13px;padding:6px 10px;border-radius:8px}
.wc-lang-list a:hover,.wc-lang-list a[aria-current]{background:rgba(255,255,255,.06);color:var(--gC-txt);text-decoration:none}
/* crumbs + hero */
.wc-crumbs{font-size:12.5px;color:var(--gC-txt-3);padding:20px 0 6px;display:flex;flex-wrap:wrap;gap:6px}
.wc-crumbs a{color:var(--gC-txt-2)}
.wc-crumbs .sep{opacity:.6}
.wc-hero{padding:22px 0 12px}
.wc-kicker{font-family:'Space Grotesk',monospace;text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--gC-accent)}
.wc-hero h1{font-size:clamp(30px,5vw,46px);line-height:1.15;letter-spacing:-.02em;margin:8px 0 10px;background:var(--gC-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.wc-hero p{color:var(--gC-txt-2);max-width:720px;margin:0;font-size:16px}
.wc-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 24px}
.wc-tabs a{font-size:13px;color:var(--gC-txt-2);border:1px solid var(--gC-line-2);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.03)}
.wc-tabs a:hover{color:var(--gC-txt);text-decoration:none}
.wc-tabs a[aria-current]{background:var(--gC-grad);color:#06121a;border-color:transparent;font-weight:600}
/* cards */
.wc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}
.wc-card{overflow:hidden;transition:transform .15s,border-color .15s}
.wc-card:hover{transform:translateY(-2px);border-color:var(--gC-line-2)}
.wc-card-link{display:flex;flex-direction:column;height:100%;color:inherit}
.wc-card-link:hover{text-decoration:none}
.wc-cover{height:120px;position:relative;display:flex;align-items:flex-start;padding:14px;background:linear-gradient(135deg,rgba(58,214,197,.28),rgba(91,140,255,.22));overflow:hidden}
.wc-cover-w{position:absolute;inset-inline-end:-6px;bottom:-34px;font-weight:800;font-size:130px;line-height:1;color:rgba(255,255,255,.07)}
.cat-futures .wc-cover{background:linear-gradient(135deg,rgba(91,140,255,.32),rgba(129,99,255,.2))}
.cat-algo-trading .wc-cover{background:linear-gradient(135deg,rgba(58,214,197,.30),rgba(34,140,180,.2))}
.cat-risk .wc-cover{background:linear-gradient(135deg,rgba(252,211,77,.22),rgba(251,113,133,.18))}
.cat-automation .wc-cover{background:linear-gradient(135deg,rgba(91,140,255,.26),rgba(58,214,197,.26))}
.cat-guides .wc-cover{background:linear-gradient(135deg,rgba(74,222,128,.22),rgba(58,214,197,.2))}
.wc-chip{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.02em;color:var(--gC-txt);background:rgba(10,13,20,.55);border:1px solid var(--gC-line-2);border-radius:999px;padding:4px 11px}
.wc-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.wc-card h3{font-size:17px;line-height:1.4;margin:0 0 8px;color:var(--gC-txt)}
.wc-card p{font-size:13.5px;color:var(--gC-txt-2);margin:0 0 14px;flex:1}
.wc-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--gC-txt-3);font-family:'Space Grotesk',sans-serif}
.wc-card-big{grid-column:1/-1}
@media(min-width:760px){.wc-card-big .wc-card-link{flex-direction:row}.wc-card-big .wc-cover{width:42%;height:auto;min-height:220px}.wc-card-big h3{font-size:24px}.wc-card-big .wc-card-body{padding:28px}}
/* article */
.wc-article-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:36px;align-items:start;margin-top:8px}
.wc-article{min-width:0}
.wc-side{position:sticky;top:84px}
.wc-toc{padding:16px 18px}
.wc-toc ol{margin:0;padding-inline-start:18px;font-size:13px;color:var(--gC-txt-3)}
.wc-toc li{margin:6px 0}
.wc-toc a{color:var(--gC-txt-2)}
.wc-art-head{padding:16px 0 10px;border-bottom:1px solid var(--gC-line);margin-bottom:10px}
.wc-art-head h1{font-size:clamp(28px,4.4vw,40px);line-height:1.2;letter-spacing:-.02em;margin:14px 0 12px}
.wc-lead{font-size:17px;color:var(--gC-txt-2);margin:0 0 14px}
.wc-prose{font-size:16.5px;color:#d9deeb;max-width:760px}
.wc-prose h2{font-size:24px;line-height:1.3;margin:36px 0 10px;color:var(--gC-txt);scroll-margin-top:84px}
.wc-prose h3{font-size:19px;margin:26px 0 8px;color:var(--gC-txt)}
.wc-prose p{margin:0 0 16px}
.wc-prose ul,.wc-prose ol{margin:0 0 18px;padding-inline-start:24px}
.wc-prose li{margin:6px 0}
.wc-prose strong{color:var(--gC-txt)}
.wc-prose blockquote{margin:18px 0;padding:12px 18px;border-inline-start:3px solid var(--gC-accent);background:rgba(58,214,197,.06);border-radius:10px;color:var(--gC-txt)}
.wc-table{overflow-x:auto;margin:0 0 18px}
.wc-table table{border-collapse:collapse;width:100%;font-size:14.5px}
.wc-table th,.wc-table td{border:1px solid var(--gC-line-2);padding:8px 12px;text-align:start;vertical-align:top}
.wc-table th{background:rgba(255,255,255,.04);color:var(--gC-txt)}
.wc-sources{margin:34px 0 0;padding:18px 20px;border:1px solid var(--gC-line);border-radius:16px;background:rgba(255,255,255,.02)}
.wc-sources h2{font-size:17px;margin:0 0 8px}
.wc-sources ul{margin:0;padding-inline-start:20px;font-size:14px}
.wc-sources li{margin:5px 0}
.wc-cta{padding:26px 28px;margin:34px 0;background:linear-gradient(150deg,rgba(58,214,197,.14),rgba(91,140,255,.14));border-color:var(--gC-line-2)}
.wc-cta h2{margin:0 0 6px;font-size:21px}
.wc-cta p{margin:0 0 16px;color:var(--gC-txt-2)}
.wc-cta-btns{display:flex;flex-wrap:wrap;gap:10px}
.wc-related{margin:10px 0 40px}
.wc-related h2{font-size:22px;margin:0 0 16px}
/* footer */
.wc-foot{border-top:1px solid var(--gC-line);margin-top:30px;padding:28px 0 36px;background:rgba(10,13,20,.6)}
.wc-foot-cats{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:18px}
.wc-foot-cats a{color:var(--gC-txt-2);font-size:13.5px}
.wc-disc{border:1px solid rgba(252,211,77,.25);background:rgba(252,211,77,.05);border-radius:14px;padding:14px 18px;margin-bottom:16px}
.wc-disc h2{font-size:13px;margin:0 0 4px;color:var(--gC-amber)}
.wc-disc p{font-size:12.5px;color:var(--gC-txt-2);margin:0;line-height:1.65}
.wc-legal{font-size:12px;color:var(--gC-txt-3);margin:4px 0}
.wc-legal a{color:var(--gC-txt-2)}
@media(max-width:900px){.wc-article-grid{grid-template-columns:1fr}.wc-side{display:none}.wc-nav{display:none}}
@media(max-width:520px){.wc-top-in{gap:10px}.wc-btn{padding:8px 12px;font-size:13px}.wc-lang-list{min-width:200px}.wc-prose{font-size:16px}}
.wc-share{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:26px 0 0}
.wc-share-l{font-size:14px;color:var(--gC-txt-2);margin-inline-end:4px}
.wc-share-b{font:inherit;font-size:13px;padding:7px 13px;border-radius:999px;border:1px solid var(--gC-line-2);background:rgba(255,255,255,.05);color:var(--gC-txt);text-decoration:none;cursor:pointer}
.wc-share-b:hover{background:rgba(255,255,255,.1)}
/* T-277: Tools dropdown like the site nav; nav as a second row on phones; light theme (localStorage wecore_theme) */
.wc-dd{position:relative;display:inline-flex;align-items:center}.wc-dd-b{color:var(--gC-txt-2);font-size:14px;font-weight:500;cursor:pointer}
.wc-dd-m{display:none;position:absolute;top:100%;inset-inline-start:0;padding:8px;min-width:250px;background:var(--gC-bg1);border:1px solid var(--gC-line-2);border-radius:12px;z-index:30}
.wc-dd:hover .wc-dd-m,.wc-dd:focus-within .wc-dd-m{display:block}.wc-dd-sep{display:block;height:1px;background:var(--gC-line-2);margin:6px 4px}.wc-dd-h{display:block;padding:6px 10px 2px;font-size:11.5px;font-weight:700;color:var(--gC-txt-3,var(--gC-txt-2))}.wc-dd-h~a{padding-inline-start:18px}
@media(max-width:900px){.wc-top-in{position:relative}.wc-dd{position:static}.wc-dd-m{inset-inline:0;min-width:0}}.wc-dd-m a{display:block;padding:8px 10px;border-radius:8px}
@media(max-width:900px){.wc-top-in{flex-wrap:wrap;height:auto;padding:10px 0}.wc-nav{display:flex!important;order:3;flex-basis:100%;flex-wrap:wrap;gap:12px}}
:root[data-theme="light"]{--gC-bg0:#f5f7fb;--gC-bg1:#ffffff;--gC-glass:rgba(255,255,255,.85);--gC-glass-2:rgba(255,255,255,.9);--gC-line:rgba(15,23,42,.08);--gC-line-2:rgba(15,23,42,.14);--gC-txt:#0e1320;--gC-txt-2:#4b5672;--gC-txt-3:#6b7694;--gC-accent:#0f9f91;--gC-accent-2:#3b6fe6}
:root[data-theme="light"] .wc-top,:root[data-theme="light"] .wc-foot{background:rgba(255,255,255,.85)}

/* branded nav dropdown rows (tools/nav_i18n.py) */
.wc-dd-m:has(.wcm){min-width:300px}
.wc-top{--wcm-tx:var(--gC-txt);--wcm-mu:var(--gC-txt-2);--wcm-bd:var(--gC-line-2)}.wc-dd-m .wcm a.wcm-i{padding:8px 10px}
.wcm{display:flex;flex-direction:column;gap:2px;min-width:250px}.wcm a.wcm-i{display:flex!important;align-items:center;gap:11px;padding:8px 10px!important;border-radius:10px;text-decoration:none!important;color:var(--wcm-tx,#eef1f8)!important;white-space:normal}.wcm a.wcm-i:hover,.wcm a.wcm-i:focus-visible{background:var(--wcm-hv,rgba(91,140,255,.12))!important}.wcm-ic{flex:0 0 32px;width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:#7fb2ff;background:linear-gradient(135deg,rgba(58,214,197,.16),rgba(91,140,255,.16));border:1px solid rgba(91,140,255,.28)}.wcm-t{display:flex;flex-direction:column;line-height:1.25;min-width:0;flex:1}.wcm-t b{font-size:13.5px;font-weight:700;color:var(--wcm-tx,#eef1f8)}.wcm-t small{font-size:11.5px;color:var(--wcm-mu,#8a93ad);font-weight:400;margin-top:2px}.wcm-rec{background:linear-gradient(135deg,rgba(58,214,197,.10),rgba(91,140,255,.12))!important;border:1px solid rgba(91,140,255,.30)}.wcm-rec .wcm-ic{background:linear-gradient(135deg,#3ad6c5,#5b8cff);color:#fff;border-color:transparent}.wcm-b{font-size:10px;font-weight:700;letter-spacing:.3px;color:#3ad6c5;border:1px solid rgba(58,214,197,.45);border-radius:999px;padding:1px 7px;white-space:nowrap}.wcm-sep{display:block;height:1px;background:var(--wcm-bd,#222c44);margin:5px 6px}@media(max-width:640px){.wcm{min-width:0}}