.shell{min-height:100dvh}.shell-top{z-index:20;padding:calc(env(safe-area-inset-top) + 10px) var(--gutter) 10px;background:color-mix(in srgb, var(--color-canvas) 86%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(12px);justify-content:space-between;align-items:center;gap:12px;display:flex;position:sticky;top:0}.shell-back{width:var(--tap-target);height:var(--tap-target);border:1px solid var(--color-line);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-text);cursor:pointer;justify-content:center;align-items:center;margin-left:-4px;display:inline-flex}.shell-back:hover{background:var(--color-surface-alt)}.shell-account{position:relative}.avatar{width:var(--tap-target);height:var(--tap-target);border-radius:var(--radius-pill);cursor:pointer;border:2px solid var(--color-surface);box-shadow:0 0 0 1px var(--color-line);background:var(--color-surface-inverse);color:var(--color-text-inverse);font:inherit;font-weight:var(--weight-bold);font-size:var(--text-base)}.avatar.active{background:var(--color-accent-fill);color:var(--color-text-on-accent);box-shadow:0 0 0 1px var(--color-text)}.avatar:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:2px}.account-menu{z-index:30;min-width:260px;max-width:calc(100vw - 2 * var(--gutter));padding:var(--space-2);background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);gap:2px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.account-menu a,.account-menu-row{border-radius:var(--radius-control);padding:10px 12px}.account-menu a{color:var(--color-text);font-weight:var(--weight-semibold);min-height:var(--tap-target);align-items:center;text-decoration:none;display:flex}.account-menu a:hover{background:var(--color-fill-subtle)}.account-menu a:focus-visible{outline-offset:-3px}.account-email{margin:0 0 var(--space-1);padding:var(--space-2) 12px var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm);overflow-wrap:anywhere;border-bottom:1px solid var(--color-line-soft)}.account-menu-row{border-top:1px solid var(--color-line-soft);border-radius:0;padding:2px 0 0}.account-menu-row .link-button{width:100%;min-height:var(--tap-target);border-radius:var(--radius-control);font-weight:var(--weight-semibold);text-align:left;align-items:center;padding:10px 12px;text-decoration:none;display:flex}.account-menu-row .link-button:hover{background:var(--color-fill-subtle);color:var(--color-text)}.account-menu-row .link-button:focus-visible{outline-offset:-3px}.shell-nav{z-index:20;padding:8px 10px calc(env(safe-area-inset-bottom) + 8px);background:var(--color-surface-deep);justify-content:space-around;gap:4px;display:flex;position:fixed;bottom:0;left:0;right:0}.shell-nav .rail-only{display:none}.tab{max-width:120px;min-height:52px;color:var(--color-text-inverse);font-size:var(--text-xs);font-weight:var(--weight-semibold);border-radius:14px;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:2px;padding:6px 4px;text-decoration:none;display:flex}.tab:hover{color:var(--color-text-inverse);background:#f7f7f21a}.tab.active,.tab.active:hover{background:var(--color-accent-fill);color:var(--color-text-on-accent)}.tab.active svg{stroke-width:2.2px}.shell-nav a:focus-visible{outline:3px solid var(--color-focus-ring-inverse);outline-offset:2px}.shell-main{max-width:var(--max);padding:8px var(--gutter) calc(env(safe-area-inset-bottom) + 104px);margin:0 auto}.shell .app-foot{padding:32px 0 0}@media (min-width:900px){.shell{grid-template-rows:auto 1fr;grid-template-columns:112px minmax(0,1fr);display:grid}.shell-top{grid-column:2;padding-top:18px;padding-bottom:14px;padding-left:8px}.shell-top>.wordmark{visibility:hidden}.shell-nav{border-radius:var(--radius-xl);width:76px;max-height:calc(100dvh - 32px);box-shadow:var(--shadow-md);flex-direction:column;grid-area:1/1/span 2;justify-content:flex-start;align-self:start;align-items:stretch;gap:8px;margin:16px 0 16px 20px;padding:12px 8px 16px;position:sticky;top:16px;overflow-y:auto}.shell-nav .rail-only{text-align:center;color:var(--color-text-inverse);border-bottom:1px solid #f7f7f22e;margin:4px 0 10px;padding:6px 0 14px;font-size:1.05rem;display:block}.shell-nav .rail-only span{color:var(--color-text-inverse)}.tab{flex:none;max-width:none;min-height:60px;padding:8px 2px;font-size:.6875rem}.shell-main{grid-column:2;width:100%;padding:8px 40px 48px 8px}.shell-signup{grid-template-columns:minmax(0,1fr)}.shell-signup .shell-top,.shell-signup .shell-main{grid-column:1}.shell-signup .shell-top{padding-left:var(--gutter)}.shell-signup .shell-main{padding-left:var(--gutter);padding-right:var(--gutter)}.shell-signup .shell-top>.wordmark{visibility:visible}}.shell-signup .shell-main{padding-bottom:48px}html:has(.shell-mail){overscroll-behavior:none;height:100%;overflow:hidden}html:has(.shell-mail) body{overscroll-behavior:none;height:100%;overflow:hidden}.shell-mail{grid-template-rows:auto minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr);min-height:0;display:grid;position:fixed;inset:0}.shell-mail .shell-top{grid-area:1/1}.shell-mail .shell-main{flex-direction:column;grid-area:2/1;width:100%;max-width:none;min-height:0;margin:0;padding:0;display:flex}.shell-mail .shell-nav{grid-area:3/1;position:static}.shell-mail .app-foot{display:none}@media (min-width:900px){.shell-mail{grid-template-rows:auto minmax(0,1fr);grid-template-columns:112px minmax(0,1fr)}.shell-mail .shell-top{grid-area:1/2}.shell-mail .shell-main{grid-area:2/2}.shell-mail .shell-nav{grid-area:1/1/span 2;height:auto;position:relative;top:0}}.mail-bar{padding:0 var(--gutter) 8px;flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mail-bar label{color:var(--muted);font-size:.85rem;font-weight:600}.mail-bar select{min-width:0}.mail-frame{background:var(--color-surface);border-top:1px solid var(--color-line);flex:auto;min-height:0;position:relative}@media (min-width:900px){.mail-frame{border:1px solid var(--color-line);border-radius:var(--radius-card);margin:0 24px 16px 8px;overflow:hidden}}.mail-frame iframe{border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.mail-placeholder{-webkit-overflow-scrolling:touch;padding:8px var(--gutter) 24px;flex:auto;overflow-y:auto}.install-steps{counter-reset:step;gap:12px;margin:8px 0 20px;padding:0;list-style:none;display:grid}.install-steps li{counter-increment:step;padding:var(--space-3) var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-surface);grid-template-columns:32px 1fr;align-items:start;gap:12px;display:grid}.install-steps li:before{content:counter(step);border-radius:var(--radius-pill);background:var(--color-accent-fill);width:32px;height:32px;color:var(--color-text-on-accent);font-weight:var(--weight-bold);place-items:center;display:grid}.install-steps .inline-icon{vertical-align:-4px;color:#0a84ff;display:inline-flex}.ios-demo{border:8px solid var(--ink);background:#f2f2f7;border-radius:34px;width:220px;height:300px;margin:8px auto 20px;position:relative;overflow:hidden}.ios-demo .bar{background:#f9f9fb;border-top:1px solid #d1d1d6;justify-content:center;align-items:center;height:40px;display:flex;position:absolute;bottom:0;left:0;right:0}.ios-demo .share{color:#0a84ff;border-radius:8px;padding:4px;animation:6s infinite velto-tap;display:inline-flex}.ios-demo .sheet{background:#fff;border-radius:14px;padding:10px;font-size:.8rem;animation:6s infinite velto-sheet;position:absolute;bottom:6px;left:6px;right:6px;transform:translateY(110%);box-shadow:0 -4px 20px #0000001f}.ios-demo .sheet div{color:#1c1c1e;border-radius:8px;justify-content:space-between;align-items:center;padding:8px 6px;display:flex}.ios-demo .sheet .add{animation:6s infinite velto-pick}.ios-demo .done{color:#1c1c1e;opacity:0;align-content:center;place-items:center;gap:6px;font-size:.75rem;animation:6s infinite velto-done;display:grid;position:absolute;inset:0}.ios-demo .done img{border-radius:13px;width:56px;height:56px}@keyframes velto-tap{0%,12%{background:0 0}16%,22%{background:#d8e9ff}26%,to{background:0 0}}@keyframes velto-sheet{0%,22%{transform:translateY(110%)}30%,62%{transform:translateY(0)}70%,to{transform:translateY(110%)}}@keyframes velto-pick{0%,44%{background:0 0}48%,58%{background:#e5e5ea}62%,to{background:0 0}}@keyframes velto-done{0%,70%{opacity:0}76%,96%{opacity:1}to{opacity:0}}@media (prefers-reduced-motion:reduce){.ios-demo .share,.ios-demo .sheet,.ios-demo .sheet .add,.ios-demo .done{animation:none}.ios-demo .sheet{transform:none}}.handoff-qr{background:var(--color-surface);border-radius:var(--radius-control);border:1px solid var(--color-line);width:220px;max-width:100%;margin:8px 0 12px;padding:10px}.handoff-qr svg{width:100%;height:auto;display:block}.nudge{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.nudge-actions{align-items:center;gap:16px;display:flex}.push-mailboxes{border:0;gap:6px;margin:0 0 16px;padding:0;display:grid}.push-mailboxes legend{font-weight:var(--weight-semibold);font-size:var(--text-sm);margin-bottom:6px}.push-mailboxes label{gap:var(--space-3);min-height:var(--tap-target);overflow-wrap:anywhere;align-items:center;display:flex}.push-mailboxes input[type=checkbox]{width:20px;height:20px;accent-color:var(--color-text);flex:none}.button-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.shell-mail .shell-top{-webkit-backdrop-filter:none;background:0 0}