:root{--ink:#0c0c0e;--surface:#18181b;--raised:#202024;--text:#f2f2f0;--muted:#a6a6ad;--line:#303036;--accent:#7d93ff;--measure:1180px;--reading:760px;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background-color:var(--ink);background-image:radial-gradient(circle at 50% 8%,rgba(125,147,255,.09),transparent 31rem),linear-gradient(90deg,transparent 0,transparent calc(50% - 1px),rgba(255,255,255,.018) 50%,transparent calc(50% + 1px));background-attachment:fixed;color:var(--text);font:400 16px/1.7 var(--sans);-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{transition:opacity 200ms ease}button:hover,a:hover{opacity:.76}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a{color:var(--accent);text-decoration:none}.quiet-link{color:var(--muted)}.site-header{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;background:var(--ink);z-index:10}[id]{scroll-margin-top:84px}.header-inner,.wide{width:min(var(--measure),calc(100% - 48px));margin:0 auto}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);font-weight:600;letter-spacing:-.02em}.brand img{width:28px;height:28px}.primary-nav{margin-left:auto;display:flex;gap:28px;align-items:center}.primary-nav a{color:var(--muted);font-size:14px}.primary-nav a[aria-current]{color:var(--text);border-bottom:1px solid var(--accent);padding-bottom:3px}.language-switch{position:relative}.language-switch summary{list-style:none;cursor:pointer;color:var(--text);font-size:13px;letter-spacing:.08em}.language-switch summary::-webkit-details-marker{display:none}.language-menu{position:absolute;right:0;top:34px;min-width:152px;background:var(--raised);padding:8px;border:1px solid var(--line);border-radius:4px}.language-menu a{display:block;color:var(--muted);padding:8px 10px;font-size:14px}.language-menu a[aria-current=true]{color:var(--text)}.hero{min-height:calc(100vh - 64px);padding:126px 0 72px}.hero-inner{width:min(920px,calc(100% - 48px));margin:0 auto}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:11px;color:var(--muted);margin:0 0 22px}.hero h1{max-width:760px;margin:0 0 20px;font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-.045em;font-weight:600}.hero-lead{max-width:650px;color:var(--muted);font-size:17px;margin:0 0 48px}.mail-tool{border-top:1px solid var(--line)}.address-line{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.address-value{font:500 clamp(17px,3vw,26px)/1.35 var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.button{border:0;border-radius:4px;min-height:44px;padding:0 21px;cursor:pointer;background:var(--accent);color:#0c0c0e;font-weight:600}.button.secondary{background:var(--raised);color:var(--text)}.button.textual{background:transparent;color:var(--muted);padding:0}.status-line{display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding:14px 0 30px;color:var(--muted);font-size:13px}.live-dot{width:2px;height:2px;background:var(--text);border-radius:50%}.countdown{font:500 13px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--accent)}.inbox-head{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px}.inbox-head h2{font-size:14px;letter-spacing:.14em;text-transform:uppercase;margin:0}.inbox-tools{display:flex;gap:18px}.inbox-tools button{min-height:36px}.mail-list{list-style:none;margin:0;padding:0}.mail-row{display:grid;grid-template-columns:154px minmax(0,1fr) auto;gap:22px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);cursor:pointer}.mail-row:hover{opacity:.76}.sender{font-weight:600;font-size:14px}.message-copy{min-width:0}.subject{display:flex;align-items:center;gap:10px;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.demo-tag{font-size:10px;line-height:1;padding:4px 6px;border-radius:3px;background:var(--raised);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.mail-time{font:500 12px var(--mono);color:var(--muted)}.inbox-note{color:var(--muted);font-size:12px;margin:11px 0 0}.section{padding:112px 0;border-top:1px solid var(--line)}.section-kicker{color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-size:11px}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.035em;margin:14px 0 22px}.section-intro{max-width:670px;color:var(--muted);font-size:17px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:68px;border-top:1px solid var(--line)}.principle{padding:30px 34px 0 0}.principle+.principle{padding-left:34px;border-left:1px solid var(--line)}.principle-index{font:500 12px var(--mono);color:var(--accent)}.principle h3{font-size:18px;margin:20px 0 10px}.principle p{color:var(--muted);font-size:14px;margin:0}.flow{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.steps{margin:10px 0 0;padding:0;list-style:none}.steps li{display:grid;grid-template-columns:38px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}.step-no{font:500 12px var(--mono);color:var(--accent)}.steps h3{font-size:16px;margin:0 0 7px}.steps p{font-size:14px;color:var(--muted);margin:0}.forward-panel{background:var(--surface);padding:38px;border-radius:4px}.forward-panel h3{font-size:24px;letter-spacing:-.025em;margin:0 0 12px}.forward-panel>p{color:var(--muted);margin:0 0 25px}.field-label{font-size:13px;display:block;margin-bottom:8px}.field-row{display:flex;gap:10px}.field-row input{min-width:0;flex:1;background:var(--ink);border:1px solid var(--line);border-radius:4px;color:var(--text);padding:11px 13px}.fine-print{font-size:12px;color:var(--muted);margin-top:14px}.fact-line{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--line);font-size:13px}.fact-line span:last-child{color:var(--muted);text-align:right}.faq-list{max-width:850px;margin-top:48px}.faq-list details{border-top:1px solid var(--line);padding:20px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;font-weight:600}.faq-list p{color:var(--muted);max-width:700px}.site-footer{border-top:1px solid var(--line);padding:54px 0 34px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-copy{max-width:420px;color:var(--muted);font-size:14px}.footer-nav{display:flex;flex-direction:column;gap:9px}.footer-nav strong{font-size:12px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:6px}.footer-nav a{font-size:14px;color:var(--muted)}.copyright{border-top:1px solid var(--line);margin-top:44px;padding-top:22px;color:var(--muted);font-size:12px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--text);color:var(--ink);padding:10px 16px;border-radius:4px;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:opacity 200ms ease;max-width:min(430px,calc(100vw - 32px));width:max-content}.toast.visible{opacity:1}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Shared self-drawn dialog, mail detail, login steps and forwarding console. */
.fw-dialog{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:22px}.fw-dialog[hidden]{display:none}.fw-dialog-backdrop{position:absolute;inset:0;background:rgba(5,5,8,.68)}.fw-dialog-panel{position:relative;width:100%;max-width:480px;max-height:86vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:26px}.fw-dialog-panel.wide{max-width:720px}.fw-dialog-title{margin:0 0 10px;font-size:19px;letter-spacing:-.02em;overflow-wrap:anywhere}.fw-dialog-text{margin:0 0 6px;color:var(--muted);font-size:14px;white-space:pre-line}.fw-dialog-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:12px;margin-top:22px}.button.danger{background:#e2574c;color:#0c0c0e}
.fw-mail-meta{list-style:none;margin:0 0 16px;padding:0;border-top:1px solid var(--line)}.fw-mail-meta li{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:9px 0;font-size:13px}.fw-mail-meta span:first-child{color:var(--muted);white-space:nowrap}.fw-mail-meta span:last-child{min-width:0;overflow-wrap:anywhere;text-align:right}
.fw-mail-frame{width:100%;height:80px;min-height:0;border:1px solid var(--line);border-radius:4px;background:#fff;display:block}.fw-mail-text{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--ink);border:1px solid var(--line);border-radius:4px;padding:14px;font-size:14px;color:var(--text);max-height:none;overflow:auto;margin:0;flex:1 1 auto}.fw-mail-note{font-size:12px;color:var(--muted);margin:12px 0 0}.fw-attach-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.fw-attach-list a{font-size:12px;border:1px solid var(--line);border-radius:3px;padding:5px 9px;color:var(--text)}
.mail-row.unread .sender::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:2px}
.fw-code-input{letter-spacing:.14em;font:500 17px/1 var(--mono);text-align:left}.fw-step-mail{font:500 13px var(--mono);margin:0 0 18px;overflow-wrap:anywhere}.fw-step-sent{font-size:13px;color:var(--muted);margin:0 0 4px}.fw-step-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px;font-size:13px}.fw-step-tools .button.textual{min-height:32px;font-size:13px}.fw-step-tools .button.textual:not(:disabled){color:var(--accent)}
.fw-console-head{display:flex;justify-content:space-between;gap:8px 16px;align-items:baseline;flex-wrap:wrap;margin-bottom:4px}.fw-console-user{font:500 14px var(--mono);overflow-wrap:anywhere;min-width:0}.fw-console-quota{color:var(--muted);font-size:13px}
.fw-alias-list{list-style:none;margin:14px 0 0;padding:0}.fw-alias-list li{display:flex;flex-wrap:wrap;align-items:center;gap:9px 14px;padding:13px 0}.fw-alias-list li+li{border-top:1px solid var(--line)}.fw-alias-addr{font:500 13px var(--mono);min-width:0;overflow-wrap:anywhere;flex:1 1 200px}.fw-alias-tools{display:flex;gap:14px;margin-left:auto}.fw-alias-tools .button.textual{min-height:30px;font-size:13px}
.fw-chip{font-size:11px;line-height:1;padding:4px 8px;border-radius:3px;background:var(--raised);color:var(--muted);letter-spacing:.05em;white-space:nowrap}.fw-chip.on{color:#8fd6a5}.fw-chip.warn{color:#f0b45f}.fw-chip.bad{color:#e2857c}
.fw-filter-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 2px}.fw-filter-row button{background:var(--raised);color:var(--muted);border:1px solid var(--line);border-radius:99px;min-height:30px;padding:0 13px;font-size:12px;cursor:pointer}.fw-filter-row button[aria-pressed=true]{color:var(--ink);background:var(--accent);border-color:var(--accent)}
.fw-archive-list{list-style:none;margin:8px 0 0;padding:0}.fw-archive-list li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px 14px;align-items:center;padding:12px 0;cursor:pointer}.fw-archive-list li+li{border-top:1px solid var(--line)}.fw-archive-list li:hover{opacity:.76}.fw-archive-main{min-width:0}.fw-archive-main .subject{display:block}.fw-archive-main .preview{display:block}
.fw-console-section{margin-top:30px;border-top:1px solid var(--line);padding-top:20px}.fw-console-section h4{margin:0 0 8px;font-size:13px;letter-spacing:.13em;text-transform:uppercase}.fw-section-tools{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.fw-empty{color:var(--muted);font-size:13px;border:1px dashed var(--line);border-radius:4px;padding:16px;text-align:center;margin-top:14px}
@media(max-width:430px){.fw-dialog-panel{padding:19px 15px}.fw-archive-list li{grid-template-columns:auto minmax(0,1fr)}.fw-archive-list li .mail-time{grid-column:1/-1}}@media(max-width:760px){.header-inner,.wide,.hero-inner{width:min(100% - 32px,var(--measure))}.hero{padding:76px 0 44px;min-height:auto}.hero h1{font-size:40px}.hero-lead{font-size:15px;margin-bottom:32px}.address-line{grid-template-columns:minmax(0,1fr) auto;gap:10px}.address-value{font-size:16px}.button{padding:0 15px}.status-line{gap:11px;padding-bottom:20px}.mail-row{grid-template-columns:88px minmax(0,1fr) auto;gap:12px;padding:14px 0}.sender{font-size:12px}.subject{font-size:13px}.section{padding:76px 0}.principles{grid-template-columns:1fr;margin-top:40px}.principle,.principle+.principle{padding:25px 0;border-left:0;border-bottom:1px solid var(--line)}.flow{grid-template-columns:1fr;gap:55px}.forward-panel{padding:25px 20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:430px){.primary-nav{gap:14px}.hero{padding-top:64px}.hero h1{font-size:35px}.address-line{align-items:stretch}.address-value{align-self:center}.button{min-height:42px}.inbox-tools{gap:8px}.mail-row{grid-template-columns:70px minmax(0,1fr) 34px}.preview{font-size:11px}.field-row{flex-direction:column}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}.flow.fw-console-mode{grid-template-columns:minmax(0,1fr);gap:0}
.flow.fw-console-mode>div:first-child{display:none}
.fw-console-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:0 54px;align-items:start}
.fw-console-grid>.fw-console-section+.fw-console-section{border-top:0}
.fw-hero-signed{display:grid;gap:12px;padding:18px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
.fw-hero-signed-mail{margin:0;display:flex;flex-direction:column;gap:4px}
.fw-hero-signed-mail span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}
.fw-hero-signed-mail strong{font:500 15px var(--mono);overflow-wrap:anywhere}
.fw-hero-signed .fine-print{margin:0}
.fw-hero-signed-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.fw-hero-signed-row .button{display:inline-flex;align-items:center;text-decoration:none;color:#0c0c0e}
@media(max-width:900px){.fw-console-grid{grid-template-columns:minmax(0,1fr)}.fw-console-grid>.fw-console-section+.fw-console-section{border-top:1px solid var(--line)}}

/* Blog article extras: breadcrumb / end CTA / floating recommendation */
.article-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin:0 0 26px}
.article-crumbs a{color:var(--muted)}
.article-crumbs span[aria-current]{color:var(--text);max-width:46ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-cta{border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:30px 32px;margin:54px 0 10px}
.article-cta h2{margin:0 0 10px;font-size:22px;letter-spacing:-.02em}
.article-cta p{margin:0 0 22px;color:var(--muted);font-size:14px;max-width:560px}
.article-cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.article-cta-actions .button{display:inline-flex;align-items:center;text-decoration:none;color:#0c0c0e}
.article-cta-actions .button.secondary{color:var(--text)}
.article-float{position:fixed;right:22px;bottom:22px;z-index:90;width:min(300px,calc(100vw - 44px));background:var(--raised);border:1px solid var(--line);border-radius:6px;padding:18px 18px 16px;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.article-float p{margin:0 0 14px;font-size:13px;color:var(--text);line-height:1.6;padding-right:14px}
.article-float .button{width:100%;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:#0c0c0e;font-size:14px}
.article-float-close{position:absolute;top:8px;right:8px;background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:15px;line-height:1;padding:6px}
.article-float.hidden{display:none}
@media(max-width:760px){.article-float{right:14px;bottom:14px}}

/* Sticky-bottom footer: on short pages the footer still sits at the viewport bottom with no gap below. */
body{display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}
body>footer{margin-top:auto}
body>footer>:last-child{margin-bottom:0}

.light-section{background:var(--surface)}
.fw-console-2fa{margin-top:18px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.fw-2fa-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.fw-2fa-head h4{margin:0;font-size:16px}
.fw-2fa-head .button.textual{margin-left:auto}
.fw-console-2fa .fine-print{margin:10px 0 0}
.fw-2fa-box{margin-top:16px;display:grid;gap:14px;justify-items:start}
.fw-2fa-qr{width:168px;height:168px;border-radius:10px;background:#fff;padding:8px}
.fw-2fa-secret{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fw-2fa-secret code{font-family:var(--mono);font-size:13px;background:var(--raised);padding:8px 12px;border-radius:8px;word-break:break-all}
@media(max-width:600px){.header-inner{gap:12px}.primary-nav{gap:11px}.primary-nav a{font-size:12px;white-space:nowrap}}
.mail-row .preview{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* Prefix joined control + random-fill feedback (suffix always visible, random fill flashes). */
.fw-prefix-join{display:flex;flex:1;min-width:0;align-items:stretch}
.fw-prefix-join input{flex:1;min-width:0;border-radius:4px 0 0 4px;border-right:0}
.fw-prefix-suffix{display:flex;align-items:center;flex-shrink:0;padding:0 12px;border:1px solid var(--line);border-radius:0 4px 4px 0;background:var(--raised);color:var(--accent);font:500 13px var(--mono);white-space:nowrap;transition:border-color 150ms ease}
/* Focus lights up the WHOLE joined control, not just the input half. */
.fw-prefix-join:focus-within input,.fw-prefix-join:focus-within .fw-prefix-suffix{border-color:var(--accent)}
@keyframes fwInputFlash{0%{box-shadow:0 0 0 3px rgba(125,147,255,.45)}100%{box-shadow:0 0 0 3px rgba(125,147,255,0)}}
.fw-prefix-join input.is-flash{animation:fwInputFlash .7s ease}
@media(max-width:600px){.fw-prefix-suffix{padding:0 8px;font-size:11px}}

/* ---- Split inbox: list rail + always-visible reading pane ---- */
.inbox-split{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);border-bottom:1px solid var(--line)}
.inbox-rail{min-width:0;border-right:1px solid var(--line);max-height:1000px;overflow-y:auto;padding-right:20px}
.inbox-rail .inbox-note{border:0;margin:14px 0}
.mail-pane{min-width:0;display:flex;flex-direction:column;min-height:640px;max-height:1000px;overflow-y:auto;padding:20px 2px 24px 26px}
.mail-row{grid-template-columns:36px minmax(0,1fr) auto;gap:4px 14px;align-items:center;padding:14px 6px 14px 2px;border-radius:4px;cursor:pointer}
.mail-row:hover{opacity:1;background:rgba(255,255,255,.03)}
.mail-row.is-open{background:rgba(125,147,255,.12);box-shadow:inset 3px 0 0 var(--accent)}
.mail-row .row-ava{grid-row:1/3;display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:4px;background:var(--raised);color:var(--text);font:600 14px/1 var(--mono)}
.mail-row .sender{display:flex;align-items:center;gap:8px;min-width:0}
.mail-row .sender b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.mail-row .message-copy{grid-column:2/4;min-width:0}
.mail-row .mail-time{align-self:start}
.pane-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.pane-top .demo-tag{flex:none}
.pane-top .mail-time{margin-left:auto}
.pane-top .button.textual{min-height:26px;font-size:12px}
.pane-subject{margin:0 0 4px;font-size:19px;line-height:1.3;letter-spacing:-.02em}
.pane-from{margin:0 0 18px;color:var(--muted);font:500 12px var(--mono);overflow-wrap:anywhere}
.demo-letterhead{display:flex;align-items:center;gap:12px;margin:0 0 16px;padding:12px 14px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
.demo-letterhead .lh-mark{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:4px;font:700 16px/1 var(--mono);color:#0c0c0e}
.demo-letterhead .lh-meta{display:grid;min-width:0}
.demo-letterhead .lh-meta b{font-size:14px}
.demo-letterhead .lh-meta span{color:var(--muted);font:500 11px var(--mono);overflow-wrap:anywhere}
.demo-letter p{margin:0 0 12px;color:var(--text);font-size:14px;line-height:1.75}
.demo-letter p:last-child{margin-bottom:0}
.demo-letter .muted{color:var(--muted)}
.demo-code{display:inline-block;margin:2px 0 4px;padding:10px 18px;border:1px solid var(--line);border-radius:4px;background:var(--ink);color:var(--accent);font:600 24px/1.2 var(--mono);letter-spacing:.22em}
.demo-cta{display:inline-block;margin:2px 0 4px;padding:10px 20px;border-radius:4px;background:var(--accent);color:#0c0c0e;font-weight:600;font-size:14px;pointer-events:none}
.pane-note{margin:18px 0 0;padding-top:12px;border-top:1px dashed var(--line);color:var(--muted);font-size:12px}
/* Long local-parts (EN/FR/PT/JA) must stay fully readable — never ellipsis the address. */
.address-value{white-space:normal;overflow:visible;text-overflow:unset;overflow-wrap:anywhere;word-break:break-word}
.fw-mail-sheet{position:fixed;inset:0;z-index:110;display:flex;flex-direction:column;background:var(--ink)}
.fw-mail-sheet[hidden]{display:none}
.fw-mail-sheet-bar{flex:none;display:flex;justify-content:flex-end;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface)}
.fw-mail-sheet-body{flex:1;min-height:0;overflow:auto;padding:18px 18px 28px}
.fw-mail-sheet-body{display:flex;flex-direction:column}
body.fw-sheet-open{overflow:hidden}
@media(max-width:760px){
  .address-line{grid-template-columns:1fr;gap:12px;align-items:stretch}
  .address-value{font-size:clamp(14px,4.2vw,18px);line-height:1.4}
  .address-line .button{width:100%}
  .inbox-split{grid-template-columns:1fr}
  .inbox-rail{border-right:0;border-bottom:0;max-height:min(70vh,560px);padding-right:0}
  .mail-pane{display:none}
}

/* ---- Stat strip (2026-08-13 content depth pass) ---- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:4px;margin-top:56px}
.stat-strip>div{padding:26px 24px;border-left:1px solid var(--line)}
.stat-strip>div:first-child{border-left:0}
.stat-strip b{display:block;margin-bottom:6px;font:600 30px/1.1 var(--mono);letter-spacing:-.03em;color:var(--accent)}
.stat-strip span{color:var(--muted);font-size:13px;line-height:1.55;display:block}
.compare-note{margin:14px 0 0;color:var(--muted);font-size:12px}
td .fw-chip{vertical-align:1px}
@media(max-width:760px){.stat-strip{grid-template-columns:1fr 1fr}.stat-strip>div:nth-child(odd){border-left:0}.stat-strip>div:nth-child(n+3){border-top:1px solid var(--line)}}