/* Error Code Helpline additions on top of the shared Helpline styles.css */
.logo-img{border-radius:8px}
.topbar{background:#0b1512}
.ech-hero{background:linear-gradient(135deg,var(--hero-from),var(--hero-to));color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}
.ech-hero::after{content:"E5 F3 OE";position:absolute;right:-30px;bottom:-40px;font:800 180px/1 ui-monospace,Menlo,Consolas,monospace;color:rgba(163,230,53,.06);letter-spacing:-6px;pointer-events:none;white-space:nowrap}
.ech-hero-in{position:relative;z-index:1;max-width:820px}
.ech-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);margin:.2em 0 .3em;letter-spacing:-.02em}
.ech-hero .eyebrow{color:var(--accent)}
.ech-hero .lead-dark{color:#d3ebe0}
.ech-hero .hero-trust{color:#d3ebe0}
.ech-hero .hero-trust .ic{color:var(--accent)}
.cs{position:relative;margin:18px 0 6px}
.cs-row{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid #cfe3da;border-radius:14px;padding:6px 6px 6px 12px;box-shadow:0 6px 24px rgba(0,0,0,.08)}
.cs-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(4,120,87,.25)}
.cs-ic{width:22px;height:22px;color:var(--ink-soft);flex:none}
.cs input{flex:1;min-width:0;border:0;outline:0;font-size:1.05rem;padding:10px 4px;background:transparent;color:var(--ink)}
.cs-big input{font-size:1.2rem;padding:14px 4px}
.cs .btn{flex:none}
.cs-list{position:absolute;left:0;right:0;top:calc(100% - 26px);z-index:30;list-style:none;margin:0;padding:6px;background:#fff;border:1px solid #d6e6de;border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.18);max-height:420px;overflow:auto;color:var(--ink)}
.cs-list li a{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:8px;text-decoration:none;color:var(--ink)}
.cs-list li a:hover,.cs-list li.on a{background:var(--soft)}
.cs-none{padding:12px;color:var(--ink-soft)}
.cs-hint{margin:10px 0 0;color:inherit;opacity:.85}
.ech-hero .cs-hint a{color:var(--accent)}
.card .cs-hint{opacity:1}.card .cs-hint a{color:#1d6b55}
.code-chip{display:inline-flex;align-items:center;justify-content:center;min-width:3.2em;padding:.18em .5em;border-radius:7px;background:#0b1512;color:var(--accent);font:700 .92rem/1.3 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.02em;flex:none;white-space:nowrap}
.code-list{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:8px}
@media(min-width:760px){.code-list:not(.compact){grid-template-columns:1fr 1fr}}
.code-list li a{display:flex;gap:12px;align-items:center;padding:12px 14px;background:#fff;border:1px solid #dcebe4;border-radius:12px;text-decoration:none;color:var(--ink);min-height:44px}
.code-list li a:hover{border-color:var(--primary);box-shadow:0 2px 10px rgba(4,120,87,.12)}
.code-list.compact li a{padding:8px 10px;border-radius:10px}
.code-list.compact{gap:6px}
.cat-grid{display:grid;gap:16px;margin-top:24px}@media(min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1000px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
.cat-card{display:flex;flex-direction:column;gap:6px;padding:22px;background:#fff;border:1px solid #dcebe4;border-radius:16px;text-decoration:none;color:var(--ink)}
.cat-card:hover{border-color:var(--primary);transform:translateY(-1px)}
.cat-card b{font-size:1.15rem}
.cat-ic{width:34px;height:34px;color:var(--primary)}
.cat-n{color:var(--primary);font-weight:700}
.brand-grid{display:grid;gap:12px;margin-top:20px}@media(min-width:640px){.brand-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1000px){.brand-grid{grid-template-columns:repeat(3,1fr)}}
.brand-card{display:flex;flex-direction:column;gap:4px;padding:16px;background:#fff;border:1px solid #dcebe4;border-radius:12px;text-decoration:none;color:var(--ink)}
.brand-card:hover{border-color:var(--primary)}
.brand-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.brand-cloud a{padding:8px 14px;border:1px solid #cfe3da;border-radius:999px;background:#fff;text-decoration:none;color:var(--ink);font-weight:600;min-height:44px;display:inline-flex;align-items:center}
.brand-cloud a:hover{border-color:var(--primary);color:var(--primary)}
.sec.soft{background:var(--soft)}
.code-head{background:linear-gradient(135deg,var(--hero-from),var(--hero-to));color:#fff;padding:22px 0 30px}
.code-head .crumbs,.code-head .crumbs a{color:#cfe8dc}
.code-hero{display:flex;gap:20px;align-items:center;margin-top:12px}
.code-display{flex:none;min-width:120px;padding:18px 20px;border-radius:14px;background:#050b09;border:2px solid #1f4a3b;color:var(--accent);font:800 2.2rem/1 ui-monospace,Menlo,Consolas,monospace;text-align:center;text-shadow:0 0 14px rgba(163,230,53,.55);letter-spacing:.04em}
.code-head h1{color:#fff;font-size:clamp(1.45rem,3.4vw,2.2rem);margin:.15em 0 .2em;line-height:1.15}
.code-head .eyebrow{color:var(--accent);margin:0}
.code-scope{color:#cfe8dc;margin:0}
@media(max-width:560px){.code-hero{flex-direction:column;align-items:flex-start}.code-display{font-size:1.7rem;min-width:0;padding:12px 16px}}
.code-grid{display:grid;gap:28px}@media(min-width:980px){.code-grid{grid-template-columns:minmax(0,1fr) 340px}.code-side{position:sticky;top:20px;align-self:start}}
.code-main h2{margin-top:1.4em}
.code-main h2:first-child{margin-top:0}
.code-main .safety{margin:16px 0 0}
.code-meaning{font-size:1.12rem}
.steps-list li{margin-bottom:.5em}
.code-side .card{margin-bottom:16px}
.code-side .h3,.h3{font-size:1.05rem;margin:0 0 10px}
.src{margin-top:28px;padding-top:14px;border-top:1px solid #dcebe4;color:var(--ink-soft)}
.chat-cta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin:28px 0;padding:20px;border-radius:16px;background:var(--soft);border:1px solid #cfe3da}
.chat-cta>div{display:flex;gap:14px;align-items:flex-start;flex:1 1 320px}
.chat-cta h2{font-size:1.12rem;margin:0 0 4px}
.chat-cta p{margin:0}
.chat-cta-ic{width:34px;height:34px;color:var(--primary);flex:none}
.hub-h{margin-top:28px}
.hub-filter input{width:100%;max-width:420px;padding:12px 14px;border:1px solid #cfe3da;border-radius:10px;font-size:1rem;margin:8px 0 6px}
.hub-brands{display:grid;gap:14px}@media(min-width:760px){.hub-brands{grid-template-columns:1fr 1fr}}@media(min-width:1100px){.hub-brands{grid-template-columns:1fr 1fr 1fr}}
.hub-brand h3{font-size:1.05rem;margin:0 0 10px}
.dev-jump{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.dev-jump a{padding:8px 12px;border-radius:999px;background:var(--soft);text-decoration:none;font-weight:600;min-height:40px;display:inline-flex;align-items:center}
.ai-split{align-items:center}
.chat-mock{background:#fff;border:1px solid #cfe3da;border-radius:18px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.07)}
.chat-mock p{margin:0 0 10px;padding:10px 14px;border-radius:14px;max-width:88%;font-size:.95rem}
.cm-u{background:var(--primary);color:#fff;margin-left:auto!important;border-bottom-right-radius:4px}
.cm-b{background:var(--soft);border-bottom-left-radius:4px}
.pop-list{max-width:900px;margin:20px auto}
/* chat widget */
.chat-fab{position:fixed;right:16px;bottom:16px;z-index:60;display:inline-flex;align-items:center;gap:8px;min-height:52px;padding:0 18px 0 14px;border:0;border-radius:999px;background:var(--primary);color:#fff;font:700 1rem/1 inherit;font-family:inherit;box-shadow:0 8px 24px rgba(4,60,40,.35);cursor:pointer}
.chat-fab svg{width:24px;height:24px}
.chat-fab:hover{background:var(--primary-dark)}
.chat-fab:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.ch-pop{position:fixed;right:16px;bottom:16px;z-index:70;width:min(400px,calc(100vw - 32px));height:min(620px,calc(100vh - 32px))}
@media(max-width:520px){.ch-pop{right:0;bottom:0;width:100vw;height:100%;height:100dvh}.ch-pop .ch{border-radius:0}}
.ch{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid #cfe3da;border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.25);overflow:hidden}
.ch-inline{height:min(680px,78vh);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.ch-head{display:flex;align-items:center;gap:10px;padding:12px 12px 12px 16px;background:linear-gradient(135deg,var(--hero-from),var(--hero-to));color:#fff}
.ch-head div{flex:1;display:flex;flex-direction:column;line-height:1.2}
.ch-head small{color:#cfe8dc;font-size:.78rem}
.ch-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.ch-new,.ch-x{min-height:40px;min-width:40px;padding:0 10px;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:transparent;color:#fff;font:600 .85rem inherit;font-family:inherit;cursor:pointer}
.ch-x{font-size:1.4rem;line-height:1}
.ch-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f7fbf9}
.ch-msg{max-width:88%;padding:10px 14px;border-radius:14px;font-size:.95rem;line-height:1.45;overflow-wrap:anywhere}
.ch-msg p{margin:0 0 .5em}.ch-msg p:last-child{margin:0}
.ch-u{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}
.ch-a{align-self:flex-start;background:#fff;border:1px solid #dcebe4;border-bottom-left-radius:4px}
.ch-safety{border-color:#f59e0b;background:#fffbeb}
.ch-links,.ch-parts{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.ch-links a,.ch-parts a{display:flex;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid #cfe3da;border-radius:10px;text-decoration:none;font-size:.88rem;background:#f7fbf9}
.ch-parts small{color:var(--primary);font-weight:700;white-space:nowrap}
.ch-typing{display:flex;gap:4px;align-items:center}
.ch-typing span:not(.sr-only){width:7px;height:7px;border-radius:50%;background:#9bb8ab;animation:chb 1s infinite}
.ch-typing span:nth-child(2){animation-delay:.15s}.ch-typing span:nth-child(3){animation-delay:.3s}
@keyframes chb{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
@media(prefers-reduced-motion:reduce){.ch-typing span{animation:none}}
.ch-form{display:flex;gap:8px;align-items:flex-end;padding:10px;border-top:1px solid #dcebe4;background:#fff}
.ch-form textarea{flex:1;resize:none;min-height:44px;max-height:120px;padding:11px 12px;border:1px solid #cfe3da;border-radius:12px;font:inherit;font-size:16px}
.ch-form textarea:focus{outline:3px solid rgba(4,120,87,.3);border-color:var(--primary)}
.ch-form .btn{min-height:44px}
.ch-fine{margin:0;padding:0 12px 10px;font-size:.74rem;color:var(--ink-soft);background:#fff}
.chat-wrap{display:grid;gap:24px}@media(min-width:980px){.chat-wrap{grid-template-columns:minmax(0,1fr) 320px}}
.chat-side .card{margin-bottom:16px}
body:has(.ch-pop.on) .chat-fab{display:none}
.site-footer{padding-bottom:84px}