.smtp-results .eyebrow-pill,.hero .eyebrow-pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-primary-a);color:var(--accent-primary);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}.smtp-lede{font-size:18px;line-height:28px;color:var(--fg-muted);max-width:560px;margin:0 auto}.smtp-search{width:100%;max-width:620px;margin:26px auto 0}.smtp-search .tool-input{border-radius:16px;padding:6px 6px 6px 16px}.smtp-search .tool-input input{font-size:15px;padding:12px 0}.smtp-clear{display:inline-grid;place-items:center;width:34px;height:34px;flex-shrink:0;border:0;border-radius:10px;cursor:pointer;background:transparent;color:var(--fg-muted);transition:background .12s,color .12s}.smtp-clear:hover{background:var(--card-bg-raised);color:var(--fg-primary)}.smtp-clear[hidden]{display:none}.smtp-clear svg,.smtp-clear [data-lucide]{width:16px;height:16px}.smtp-egs{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:14px auto 0;max-width:620px}.smtp-egs .lbl{font-size:13px;color:var(--fg-subtle)}.smtp-eg{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--fg-muted);cursor:pointer;background:var(--card-bg);box-shadow:inset 0 0 0 1px var(--card-border);border:0;border-radius:999px;padding:5px 12px;transition:color .12s,box-shadow .12s,background .12s}.smtp-eg:hover{color:var(--fg-primary);background:var(--card-bg-raised);box-shadow:inset 0 0 0 1px var(--card-border-strong)}.smtp-explain{padding:8px 0}.smtp-explain-inner{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card-bg);border-radius:var(--r-card);box-shadow:inset 0 0 0 1px var(--card-border);overflow:hidden}.smtp-anatomy,.smtp-severity{padding:28px 32px}.smtp-severity{border-left:1px solid var(--card-border)}.smtp-anatomy-title,.smtp-sev-title{font-size:13px;font-weight:600;color:var(--fg-muted);margin-bottom:18px}.smtp-anatomy-code{display:flex;align-items:flex-start;gap:4px;font-family:var(--font-mono);font-size:52px;font-weight:500;line-height:1;color:var(--fg-primary);letter-spacing:-.01em}.smtp-anatomy-dot{color:var(--fg-subtle)}.smtp-seg{position:relative;padding-bottom:8px}.smtp-seg:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px}.smtp-seg.s-class:after{background:var(--accent-secondary)}.smtp-seg.s-subject:after{background:var(--accent-primary)}.smtp-seg.s-detail:after{background:var(--fg-muted)}.smtp-anatomy-legend{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.smtp-anatomy-legend span{font-size:11.5px;line-height:1.35;color:var(--fg-muted);padding-top:8px;border-top:2px solid var(--card-border)}.smtp-anatomy-legend .s-class{border-top-color:var(--accent-secondary)}.smtp-anatomy-legend .s-subject{border-top-color:var(--accent-primary)}.smtp-anatomy-legend .s-detail{border-top-color:var(--fg-muted)}.smtp-severity ul{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:12px}.smtp-severity li{display:flex;align-items:baseline;gap:10px;font-size:14px;line-height:20px;color:var(--fg-body)}.smtp-severity li b{font-family:var(--font-mono);font-weight:600;color:var(--fg-primary)}.smtp-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;transform:translateY(1px)}.smtp-dot.ok{background:var(--accent-success)}.smtp-dot.warn{background:var(--accent-warning)}.smtp-dot.bad{background:var(--accent-secondary)}.smtp-sev-note{font-size:12.5px;line-height:1.5;color:var(--fg-subtle);margin:0}.smtp-sev-note b{font-family:var(--font-mono);color:var(--fg-muted);font-weight:600}.smtp-toolbar{position:sticky;top:76px;z-index:20;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:20px 0 28px;padding:12px 0;background:var(--page-bg)}.smtp-count{font-size:13px;font-weight:600;color:var(--fg-muted);white-space:nowrap;font-variant-numeric:tabular-nums}.smtp-cats{display:flex;gap:8px;flex-wrap:wrap}.smtp-cat{font-family:var(--font-ui);font-size:13px;font-weight:500;color:var(--fg-muted);cursor:pointer;border:0;background:var(--card-bg);box-shadow:inset 0 0 0 1px var(--card-border);border-radius:999px;padding:8px 15px;transition:color .12s,background .12s,box-shadow .12s}.smtp-cat:hover{color:var(--fg-primary);background:var(--card-bg-raised)}.smtp-cat.is-active{color:var(--accent-primary);background:var(--accent-primary-a);box-shadow:inset 0 0 0 1px var(--accent-primary)}.smtp-cat:focus-visible,.smtp-eg:focus-visible,.smtp-clear:focus-visible,.smtp-copy:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.smtp-results{padding-bottom:40px}.smtp-group{margin-bottom:40px;scroll-margin-top:140px}.smtp-group[hidden],.smtp-card[hidden]{display:none}.smtp-group-head{margin-bottom:16px}.smtp-group-code{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--accent-primary)}.smtp-group-name{font-size:20px;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--fg-primary);margin:4px 0}.smtp-group-blurb{font-size:14px;line-height:20px;color:var(--fg-muted);margin:0;max-width:640px}.smtp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.smtp-card{display:flex;flex-direction:column;gap:12px;background:var(--card-bg);box-shadow:inset 0 0 0 1px var(--card-border);border-radius:var(--r-card);padding:18px 20px;scroll-margin-top:150px;position:relative;cursor:pointer;transition:transform .15s var(--ease-out),box-shadow .15s var(--ease-out)}.smtp-card:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px var(--accent-primary),0 8px 24px #00000014}.smtp-card-top{display:flex;align-items:center;gap:10px}.smtp-badge{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--fg-primary);background:var(--card-bg-raised);box-shadow:inset 0 0 0 1px var(--card-border);border-radius:7px;padding:5px 10px}.smtp-copy{margin-left:auto;display:inline-grid;place-items:center;width:30px;height:30px;flex-shrink:0;border:0;border-radius:8px;cursor:pointer;background:transparent;color:var(--fg-subtle);transition:color .12s,background .12s;position:relative;z-index:2}.smtp-copy:hover{color:var(--fg-primary);background:var(--card-bg-raised)}.smtp-copy svg,.smtp-copy [data-lucide]{width:15px;height:15px}.smtp-copy .i-check{display:none}.smtp-copy.is-copied{color:var(--accent-success)}.smtp-copy.is-copied .i-link{display:none}.smtp-copy.is-copied .i-check{display:block}.smtp-meaning{font-size:15px;line-height:21px;font-weight:600;color:var(--fg-primary);text-wrap:pretty}.smtp-field{display:flex;flex-direction:column;gap:3px}.smtp-field-lbl{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-subtle);display:inline-flex;align-items:center;gap:5px}.smtp-field p{font-size:13.5px;line-height:19px;color:var(--fg-muted);margin:0}.smtp-fix{margin-top:auto;gap:4px;background:var(--accent-primary-a);border-radius:10px;padding:11px 13px}.smtp-fix .smtp-field-lbl{color:var(--accent-primary)}.smtp-fix .smtp-field-lbl svg,.smtp-fix .smtp-field-lbl [data-lucide]{width:12px;height:12px}.smtp-fix p{color:var(--fg-body)}.smtp-fix.is-info{background:var(--accent-success-a)}.smtp-fix.is-info .smtp-field-lbl{color:var(--accent-success)}.smtp-card-link{position:absolute;inset:0;z-index:1;border-radius:inherit;text-indent:-9999px;overflow:hidden}.smtp-card-link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.smtp-xref{position:relative;z-index:2}.smtp-card-cta{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent-primary);transition:gap .15s var(--ease-out)}.smtp-card-cta svg,.smtp-card-cta [data-lucide]{width:14px;height:14px;transition:transform .15s var(--ease-out)}.smtp-card:hover .smtp-card-cta{gap:9px}.smtp-card:hover .smtp-card-cta svg,.smtp-card:hover .smtp-card-cta [data-lucide]{transform:translate(3px)}.smtp-card.is-flash{box-shadow:inset 0 0 0 2px var(--accent-primary);animation:smtp-flash 2.2s var(--ease-out)}@keyframes smtp-flash{0%{box-shadow:inset 0 0 0 2px var(--accent-primary);background:var(--accent-primary-a)}to{box-shadow:inset 0 0 0 1px var(--card-border);background:var(--card-bg)}}.smtp-empty{text-align:center;padding:48px 20px}.smtp-empty[hidden]{display:none}.smtp-empty-ico{width:34px;height:34px;color:var(--fg-subtle);margin:0 auto 12px}.smtp-empty-ico svg,.smtp-empty-ico [data-lucide]{width:34px;height:34px}.smtp-empty h3{font-size:16px;font-weight:600;color:var(--fg-body);margin:0 0 6px}.smtp-empty p{font-size:14px;color:var(--fg-muted);margin:0 auto;max-width:380px;line-height:21px}.smtp-empty code{font-family:var(--font-mono);font-size:12px;background:var(--card-bg-raised);padding:2px 6px;border-radius:4px;box-shadow:inset 0 0 0 1px var(--card-border)}@media(max-width:760px){.smtp-explain-inner{grid-template-columns:1fr}.smtp-severity{border-left:0;border-top:1px solid var(--card-border)}.smtp-anatomy-code{font-size:42px}.smtp-toolbar{top:64px}.smtp-cats{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin:0 -16px;padding:0 16px}.smtp-cats::-webkit-scrollbar{display:none}.smtp-cat{flex-shrink:0}.smtp-count{width:100%}}@media(prefers-reduced-motion:reduce){.smtp-card.is-flash{animation:none}}