/* ==========================================================================
   Error Reference Archive (/errors/) — scoped under .earc
   Reference-index design matched to the fix-first single page.
   ========================================================================== */
.earc{
  --ea-sev1:#e11d48;--ea-sev1-dark:#be123c;--ea-ink:#0f172a;--ea-slate:#475569;--ea-muted:#64748b;
  --ea-line:#e2e8f0;--ea-bg:#f8fafc;--ea-card:#fff;--ea-ok:#16a34a;--ea-ok-bg:#f0fdf4;
  --ea-pro:#7c3aed;--ea-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--ea-bg);color:var(--ea-ink);
}
.earc *{box-sizing:border-box}
.earc a{text-decoration:none}
.earc .epx{max-width:1140px;margin:0 auto;padding:0 22px}
.earc svg.ic{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- hero ---------- */
.earc .hero{padding:34px 0 22px}
.earc .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--ea-mono);font-size:12px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ea-sev1-dark);
  background:#fef2f2;border:1px solid #fecdd3;border-radius:999px;padding:5px 13px;margin-bottom:16px}
.earc .eyebrow .ic{width:14px;height:14px}
.earc h1{font-size:38px;line-height:1.08;letter-spacing:-.025em;font-weight:850;margin:0 0 12px;color:var(--ea-ink)}
.earc h1 em{font-style:normal;color:var(--ea-sev1)}
.earc .sub{font-size:16.5px;color:var(--ea-slate);max-width:660px;margin:0 0 18px;line-height:1.6}
.earc .stats{display:flex;flex-wrap:wrap;gap:9px}
.earc .stat{display:inline-flex;align-items:center;gap:7px;font-family:var(--ea-mono);font-size:12.5px;
  color:var(--ea-slate);background:#fff;border:1px solid var(--ea-line);border-radius:999px;padding:6px 13px}
.earc .stat b{color:var(--ea-ink);font-weight:800}
.earc .stat.ok{color:#166534;background:var(--ea-ok-bg);border-color:#bbf7d0}
.earc .stat.ok b{color:#15803d}

/* ---------- filter bar ---------- */
.earc .filterbar{position:sticky;top:0;z-index:20;background:rgba(248,250,252,.92);
  backdrop-filter:saturate(140%) blur(6px);border-top:1px solid var(--ea-line);
  border-bottom:1px solid var(--ea-line);margin:8px 0 0}
.earc .filters{display:flex;flex-wrap:wrap;gap:10px;padding:14px 0}
.earc .fg{position:relative;display:flex;align-items:center}
.earc .fg--search{flex:1 1 320px;min-width:240px}
.earc .fg--search .fic{position:absolute;left:13px;width:16px;height:16px;color:var(--ea-muted);pointer-events:none}
.earc .fld{width:100%;font:inherit;font-size:14px;color:var(--ea-ink);background:#fff;
  border:1px solid var(--ea-line);border-radius:10px;padding:11px 14px}
.earc .fg--search .fld{padding-left:38px;font-family:var(--ea-mono);font-size:13px}
.earc .fld:focus{outline:none;border-color:#fda4af;box-shadow:0 0 0 3px rgba(225,29,72,.10)}
.earc select.fld{cursor:pointer;padding-right:34px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;appearance:none;-webkit-appearance:none}
.earc .fclear{position:absolute;right:10px;display:grid;place-items:center;width:22px;height:22px;
  border-radius:6px;color:var(--ea-muted);background:#f1f5f9}
.earc .fclear:hover{color:var(--ea-ink)}
.earc .fclear .ic{width:14px;height:14px}
.earc .fbtn{display:inline-flex;align-items:center;gap:7px;font:inherit;font-size:14px;font-weight:700;
  color:#fff;background:var(--ea-sev1);border:1px solid var(--ea-sev1);border-radius:10px;padding:11px 18px;cursor:pointer}
.earc .fbtn:hover{background:var(--ea-sev1-dark)}
.earc .fbtn .ic{width:15px;height:15px}
.earc .freset{display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:var(--ea-muted);padding:0 8px}
.earc .freset:hover{color:var(--ea-sev1)}

/* ---------- class quick-jump rail ---------- */
.earc .classrail{display:flex;flex-wrap:wrap;gap:7px;padding:18px 0 4px}
.earc .crlabel{width:100%;font-family:var(--ea-mono);font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;color:var(--ea-muted);margin-bottom:4px}
.earc .chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--ea-mono);font-size:12.5px;
  font-weight:600;color:var(--ea-slate);background:#fff;border:1px solid var(--ea-line);border-radius:8px;padding:6px 11px}
.earc .chip:hover{border-color:#cbd5e1;color:var(--ea-ink)}
.earc .chip b{color:var(--ea-sev1-dark);font-weight:800}
.earc .chip .n{font-size:11px;color:var(--ea-muted);background:#f1f5f9;border-radius:999px;padding:1px 7px}
.earc .chip.on{color:#fff;background:var(--ea-sev1);border-color:var(--ea-sev1)}
.earc .chip.on b{color:#fff}
.earc .chip.on .n{color:#fff;background:rgba(255,255,255,.22)}
.earc .chip.all{color:var(--ea-slate)}

/* ---------- results ---------- */
.earc .results{padding:18px 0 64px}
.earc .rcount{font-size:13.5px;color:var(--ea-muted);margin:6px 0 16px}
.earc .rcount strong{color:var(--ea-ink);font-weight:800}
.earc .rcount .filtered{color:var(--ea-sev1);font-weight:700}

.earc .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(304px,1fr));gap:15px}
.earc .ecard{display:flex;flex-direction:column;gap:9px;background:var(--ea-card);border:1px solid var(--ea-line);
  border-radius:13px;padding:16px 17px;transition:border-color .14s,box-shadow .14s,transform .14s}
.earc .ecard:hover{border-color:#fbcfe8;box-shadow:0 8px 24px -14px rgba(225,29,72,.32);transform:translateY(-2px)}
.earc .ec-top{display:flex;align-items:center;gap:8px}
.earc .ec-code{font-family:var(--ea-mono);font-size:12px;font-weight:800;letter-spacing:.02em;color:var(--ea-sev1-dark);
  background:#fef2f2;border:1px solid #fecdd3;border-radius:6px;padding:3px 9px}
.earc .ec-sev{font-family:var(--ea-mono);font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  border-radius:5px;padding:3px 8px;margin-left:auto}
.earc .ec-sev.sev--panic,.earc .ec-sev.sev--fatal,.earc .ec-sev.sev--error{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca}
.earc .ec-sev.sev--warning{color:#b45309;background:#fef3c7;border:1px solid #fde68a}
.earc .ec-sev.sev--info{color:#1d4ed8;background:#eff6ff;border:1px solid #bfdbfe}
.earc .ec-title{font-size:15.5px;font-weight:750;line-height:1.32;letter-spacing:-.01em;color:var(--ea-ink);margin:1px 0 0}
.earc .ecard:hover .ec-title{color:var(--ea-sev1-dark)}
.earc .ec-cond{font-family:var(--ea-mono);font-size:12px;color:#0e7490;background:#ecfeff;border:1px solid #a5f3fc;
  border-radius:6px;padding:2px 8px;align-self:flex-start}
.earc .ec-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:11px;border-top:1px solid #eef2f7}
.earc .ec-class{font-size:12px;color:var(--ea-muted)}
.earc .ec-go{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--ea-sev1)}
.earc .ec-go .ic{width:14px;height:14px;transition:transform .14s}
.earc .ecard:hover .ec-go .ic{transform:translateX(3px)}

/* ---------- pagination ---------- */
.earc .pager{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin-top:34px}
.earc .pager a,.earc .pager span{display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 11px;
  font-family:var(--ea-mono);font-size:13.5px;font-weight:700;border-radius:9px;border:1px solid var(--ea-line);
  background:#fff;color:var(--ea-slate)}
.earc .pager a:hover{border-color:#fda4af;color:var(--ea-sev1)}
.earc .pager .current{background:var(--ea-sev1);border-color:var(--ea-sev1);color:#fff}
.earc .pager .dots{border:0;background:none}
.earc .pager .ic{width:16px;height:16px}

/* ---------- empty ---------- */
.earc .empty{text-align:center;padding:64px 20px}
.earc .empty .eico{width:54px;height:54px;border-radius:14px;background:#fff;border:1px solid var(--ea-line);
  display:grid;place-items:center;margin:0 auto 16px;color:var(--ea-muted)}
.earc .empty .eico .ic{width:26px;height:26px}
.earc .empty h2{font-size:20px;margin:0 0 8px;color:var(--ea-ink)}
.earc .empty p{font-size:14.5px;color:var(--ea-slate);margin:0 0 18px}
.earc .empty .btn{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:#fff;
  background:var(--ea-sev1);border-radius:10px;padding:11px 20px}
.earc .empty .btn:hover{background:var(--ea-sev1-dark)}

@media(max-width:600px){
  .earc h1{font-size:29px}
  .earc .grid{grid-template-columns:1fr}
  .earc .fg--search{flex-basis:100%}
}