/* AgentEmail identity; Guth Labs effective light/dark palette, observed 2026-10-11. */
:root{color-scheme:light;--ae-canvas:#fffdf7;--ae-surface:#f0f1e9;--ae-ink:#233127;--ae-muted:#5c6e5e;--ae-blue:#153c29;--ae-blue-hover:#244e37;--ae-periwinkle:#285837;--ae-pale:#e3e8dd;--ae-rule:#d8ddcf;--ae-hover:#eeeee5;--ae-focus:#285837;--ae-on-accent:#fffdf7;--ae-terminal:#153c29;--ae-terminal-text:#f0ecdf;--ae-terminal-muted:#b8d0b2;--ae-danger:#934034;--ae-warning-bg:#f3ecd7;--ae-warning-ink:#654b18;--code:var(--ae-terminal);--code-text:var(--ae-terminal-text);--code-muted:var(--ae-terminal-muted)}

html,body{background:var(--ae-canvas);color:var(--ae-ink)}
.header,.app-header,.sidebar{background:var(--ae-canvas);border-color:var(--ae-rule)}
.nav a.button,.button:not(.secondary):not(.button-secondary):not(.close-mailbox-button){background:var(--ae-blue);border-color:var(--ae-blue);color:var(--ae-on-accent)}
.nav a.button:hover,.button.primary:hover,.button-primary:hover{background:var(--ae-blue-hover)}
.button.secondary,.button-secondary{background:var(--ae-surface);color:var(--ae-blue);border-color:var(--ae-rule)}
.ae-hero h1 em,.ae-plan h2,.ae-features article>span,.ae-start li::marker{color:var(--ae-blue)}
.ae-code,.code-panel pre,.doc pre{background:var(--ae-terminal);color:var(--ae-terminal-text);box-shadow:none}
.ae-code-head,.ae-code-options button,.ae-code-note{color:var(--ae-terminal-muted)}
.ae-code-options{border-color:var(--ae-rule)}
.ae-code-options button[aria-pressed=true]{color:var(--ae-terminal-text);border-color:var(--ae-terminal-muted)}
.ae-code .ae-example{color:var(--ae-terminal-text)}
.ae-mail-demo,.ae-plan,.mail-workspace,.reader,.reader-panel,.composer,.modal,.dialog{background:var(--ae-surface);color:var(--ae-ink);border-color:var(--ae-rule)}
.ae-mail-demo>div span,.ae-mail-demo small,.ae-plan-price span,.ae-features p,.ae-start p,.ae-status p,.ae-faq p{color:var(--ae-muted)}
.ae-mail-demo p,.ae-mail-demo>a,.ae-section,.ae-faq details,.ae-release-note{border-color:var(--ae-rule)}
.ae-start,.ae-plan-state{background:var(--ae-pale);color:var(--ae-blue)}
.ae-pricing a:focus-visible,.ae-faq summary:focus-visible{outline-color:var(--ae-focus)}
.search-field,.reader-note,.quoted-original{background:var(--ae-hover);color:var(--ae-ink)}
.quoted-original{border-color:var(--ae-rule)}
.paper-illustration i{background:var(--ae-rule)}
input,select,textarea{color:var(--ae-ink);background:var(--ae-surface);border-color:var(--ae-rule)}
input::placeholder,textarea::placeholder{color:var(--ae-muted)}
.close-mailbox-button,.danger,.error{color:var(--ae-danger)}
.warning,.billing-warning{background:var(--ae-warning-bg);color:var(--ae-warning-ink)}
.footer,.site-footer,.workspace-footer{color:var(--ae-muted);border-color:var(--ae-rule)}
.footer a,.site-footer a,.workspace-footer a{color:var(--ae-blue)}
a{color:var(--ae-blue)}

*{box-sizing:border-box}body{margin:0;font:15px/1.55 system-ui,sans-serif;background:var(--ae-canvas,#fffdf7);color:var(--ae-ink,#233127)}header,main,footer{max-width:1280px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ae-rule,#d8ddcf)}.brand{display:flex;gap:10px;align-items:center;font-size:22px;text-decoration:none}nav{display:flex;gap:24px}nav a[aria-current]{font-weight:700}h1{font-size:clamp(30px,4vw,48px);letter-spacing:-1.5px;line-height:1.12;margin:6px 0 14px}h2{font-size:20px;margin:0 0 16px}p{max-width:720px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--ae-muted)}.heading,.mail-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.heading{margin:25px 0}.note,.heading p,.stats span{color:var(--ae-muted,#5c6e5e)}.note{font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--ae-rule);border-radius:14px;background:var(--ae-surface)}.stats div{padding:22px}.stats strong,.stats span{display:block}.stats strong{font-size:27px;margin-top:5px}.workspace{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--ae-rule);border-radius:14px;min-height:460px;overflow:hidden;margin:28px 0}aside{padding:24px;background:var(--ae-surface);border-right:1px solid var(--ae-rule)}.mail{padding:26px;min-width:0}.mail-heading h2{overflow-wrap:anywhere}button{font:inherit;cursor:pointer;padding:9px 15px;background:var(--ae-canvas);border:1px solid var(--ae-rule);border-radius:8px;color:var(--ae-ink)}button:hover:not(:disabled){background:var(--ae-pale)}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--ae-focus);outline-offset:3px}#mailboxes button{display:block;width:100%;text-align:left;margin:8px 0;overflow-wrap:anywhere}#mailboxes button[aria-current=true]{background:var(--ae-pale);border-color:var(--ae-blue);font-weight:650}#mailboxes small{display:block;font-weight:400;color:var(--ae-muted)}summary{cursor:pointer;font-weight:650;padding:18px 0}label{display:block;margin:8px 0}input{width:100%;min-width:0;padding:9px;border:1px solid var(--ae-rule);border-radius:6px;font:inherit}.address span{font-size:13px;color:var(--ae-muted)}#create-button{background:var(--ae-blue);color:var(--ae-on-accent,#fffdf7)}#messages button{width:100%;text-align:left;display:block;border:0;border-bottom:1px solid var(--ae-rule);border-radius:0;padding:15px 8px}#messages strong,#messages small{display:block;overflow-wrap:anywhere}#messages small{color:var(--ae-muted)}#body{font:inherit;white-space:pre-wrap;overflow-wrap:anywhere}#subject{margin-top:22px;overflow-wrap:anywhere}footer{font-size:12px;color:var(--ae-muted);border-top:1px solid var(--ae-rule)}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;padding:10px;background:var(--ae-canvas)}[hidden]{display:none!important}@media(max-width:740px){header,main,footer{padding:18px}.brand{font-size:18px}nav{gap:12px;font-size:13px}.stats div{padding:13px}.stats strong{font-size:21px}.workspace{grid-template-columns:1fr}aside{border-right:0;border-bottom:1px solid var(--ae-rule)}.heading{align-items:start}.heading>button{margin-top:15px}.mail{padding:18px}.mail-heading{align-items:start;flex-wrap:wrap}}

.billing{padding:1.25rem;border:1px solid var(--ae-rule,#d9e1d7);border-radius:16px;margin:1.25rem 0}.billing h2{margin-top:0}.billing-actions{display:flex;flex-wrap:wrap;gap:.75rem}#mailbox-keys{margin-top:2rem;padding-top:0}

@media(min-width:741px){[data-ae-key-role="form"]>label:first-child{grid-column:1;grid-row:1}[data-ae-key-role="form"]>input{grid-column:1;grid-row:2}[data-ae-key-role="form"]>label:nth-child(3){grid-column:2;grid-row:1}[data-ae-key-role="form"]>select{grid-column:2;grid-row:2}[data-ae-key-role="form"]>button{grid-column:3;grid-row:2}}

[data-ae-key-role="root"]{margin-top:24px;padding-top:22px;border-top:1px solid var(--ae-rule)}
[data-ae-key-role="root"]>h3{margin:0 0 6px;font-size:18px}
[data-ae-key-role="root"]>p{color:var(--ae-muted)}
[data-ae-key-role="form"]{display:grid;grid-template-columns:minmax(0,1fr) minmax(110px,160px) auto;gap:8px 12px;align-items:end;margin:18px 0}
[data-ae-key-role="form"] label{margin:0;font-size:13px;color:var(--ae-muted)}
[data-ae-key-role="form"] input,[data-ae-key-role="form"] select{width:100%;min-height:42px;padding:9px;border:1px solid var(--ae-rule);border-radius:7px;background:var(--ae-surface);color:var(--ae-ink);font:inherit}
[data-ae-key-role="submit"]{min-height:42px;background:var(--ae-blue);border-color:var(--ae-blue);color:var(--ae-on-accent)}
[data-ae-key-role="status"]{min-height:1.5em;font-size:13px}
[data-ae-key-role="token-panel"]{margin:16px 0;padding:16px;border:1px solid var(--ae-rule);border-radius:10px;background:var(--ae-pale)}
[data-ae-key-role="token-panel"] h4{margin:0 0 5px}
[data-ae-key-role="token-panel"] pre{padding:11px;border-radius:7px;background:var(--ae-terminal);color:var(--ae-terminal-text);white-space:pre-wrap;overflow-wrap:anywhere;user-select:all}
[data-ae-key-role="token-panel"] button{margin-right:8px}
[data-ae-key-role="key-row"]{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 0;border-bottom:1px solid var(--ae-rule)}
[data-ae-key-role="key-row"] strong,[data-ae-key-role="key-row"] p{display:block;margin:0;overflow-wrap:anywhere}
[data-ae-key-role="key-row"] p{font-size:13px;color:var(--ae-muted)}
[data-ae-key-role="root"] select:focus-visible,[data-ae-key-role="token"]:focus-visible{outline:3px solid var(--ae-focus);outline-offset:3px}
@media(max-width:740px){[data-ae-key-role="form"]{grid-template-columns:1fr}[data-ae-key-role="key-row"]{align-items:flex-start;flex-direction:column}}

[data-ae-key-role="consent"]{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center}[data-ae-key-role="consent"]>label:first-child,[data-ae-key-role="address"]{grid-column:1/-1}[data-ae-key-role="confirmation"]{width:18px;height:18px}

@media(min-width:741px){[data-ae-key-role="form"]>label:nth-child(1){grid-column:1;grid-row:1}[data-ae-key-role="label"]{grid-column:1;grid-row:2}[data-ae-key-role="form"]>label:nth-child(3){grid-column:2;grid-row:1}[data-ae-key-role="expiry"]{grid-column:2;grid-row:2}[data-ae-key-role="submit"]{grid-column:3;grid-row:2}[data-sending="true"]>[data-ae-key-role="consent"]{grid-row:3}[data-sending="true"]>[data-ae-key-role="submit"]{grid-column:1/-1;grid-row:4;justify-self:start}}
[data-ae-key-role="form"] [data-ae-key-role="confirmation"]{width:18px;height:18px;min-height:18px;padding:0}

button[data-ae-key-role="submit"]:hover:not(:disabled){background:var(--ae-blue);color:var(--ae-on-accent);filter:brightness(1.07)}