:root{color-scheme:light;--heading:#0D2E57;--control-border:#CBD5E1;--selected:#F0F4F9;--selected-border:#DEE6F0;--action:#0D2E57;--action-ink:#FFFFFF;--focus:#1372E8;--workspace-bg:#FFFFFF;--navy:#0D2E57;--yellow:#F9E251;--ink:#334155;--muted:#526277;--border:#E2E8F0;--canvas:#F8FAFC;--paper:#fff;font-family:'Segoe UI',Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:var(--heading)}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:4px}a{text-underline-offset:4px}button{cursor:pointer}.workspace{display:grid;grid-template-columns:246px minmax(0,1fr);min-height:100vh}.sidebar{padding:40px 24px 28px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:0;background:var(--paper)}.brand{width:112px;display:block}.brand img{display:block;width:112px;height:auto}.project-title{margin:32px 0 24px;font-weight:600;font-size:16px;color:var(--heading)}.project-title span{display:block;font-weight:400;font-size:13px;margin-top:6px;color:var(--muted)}.sidebar nav{display:grid;gap:8px}.email-nav{padding:13px 12px;text-decoration:none;border:1px solid transparent;border-radius:8px;display:flex;gap:12px;align-items:center;position:relative;color:var(--ink)}.email-nav svg{fill:none;stroke:currentColor;stroke-width:1.5;flex-shrink:0}.email-nav span{font-size:14px;font-weight:600}.email-nav small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}.email-nav[aria-current=page]{background:var(--selected);color:var(--heading);border-color:var(--selected-border)}.email-nav[aria-current=page]:before{content:'';position:absolute;left:-1px;top:18px;bottom:18px;width:3px;background:var(--yellow);border-radius:2px}.sidebar-bottom{margin-top:auto;padding-top:70px;font-size:12px;line-height:20px;color:var(--muted)}.sidebar-bottom p{margin:0 0 14px}.sidebar-bottom>p:first-child{color:var(--heading);font-weight:600}.sidebar-bottom a{display:block;margin-top:9px;text-decoration:none}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--navy);margin-right:7px;vertical-align:2px}.main{padding:38px 42px 50px;min-width:0;max-width:1600px}.page-header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.draft-note{margin:0 0 8px;font-size:13px;color:var(--muted)}h1{font-weight:600;font-size:27px;letter-spacing:-.6px;line-height:35px;color:var(--heading);margin:0 0 8px}#purpose{font-size:14px;line-height:22px;margin:0;max-width:64ch}.notes-link{white-space:nowrap;font-size:13px;text-decoration:none}.notes-link span{margin-left:8px}.controls{display:flex;align-items:flex-end;gap:24px;border-top:1px solid var(--border);padding:22px 0 24px}.state-control{min-width:220px;max-width:340px;flex:1}.state-control label,.viewport-control>span{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}select{width:100%;padding:10px 32px 10px 12px;height:42px;border:1px solid var(--control-border);border-radius:6px;color:var(--heading);background:var(--paper);font-size:13px}.segmented{display:flex;border:1px solid var(--control-border);border-radius:6px;padding:3px;height:42px;gap:3px;white-space:nowrap}.segmented button{border:0;border-radius:4px;background:transparent;color:var(--muted);padding:6px 11px;font-size:12px}.segmented button[aria-pressed=true]{background:var(--action);color:var(--action-ink)}.segmented button span{opacity:.82;margin-left:4px}.file-links{margin-left:auto;display:flex;gap:12px;align-items:center;white-space:nowrap;height:42px;font-size:12px}.file-links a{text-decoration:none;padding:10px 0}.file-links span{margin-left:4px}.file-links .download-link{padding:11px 13px;border:1px solid var(--control-border);border-radius:6px}.review-layout{display:grid;grid-template-columns:minmax(0,1fr)}.preview-panel{border:1px solid var(--border);border-radius:10px;overflow:hidden;min-width:0}.mail-header{background:var(--paper);padding:18px 24px;border-bottom:1px solid var(--border);font-size:13px;line-height:22px;overflow-wrap:anywhere}.mail-header>div{display:flex;gap:12px}.mail-label{color:var(--muted);width:48px;flex-shrink:0}.mail-header strong{font-weight:500;color:var(--heading)}.preview-stage{background:#EEF2F6;padding:18px 22px 28px;min-width:0;overflow:auto}.viewport-caption{display:flex;justify-content:space-between;gap:12px;font-size:11px;line-height:18px;color:#526277;max-width:1024px;margin:0 auto 14px}iframe{display:block;width:100%;max-width:1024px;height:900px;border:0;background:var(--canvas);margin:0 auto;border-radius:2px}.is-mobile iframe{width:375px;max-width:none}.is-mobile .viewport-caption{width:375px;max-width:none}.review-notes{display:grid;grid-template-columns:1.2fr 1.2fr 1fr;gap:28px;padding:24px 2px 0;font-size:12px;line-height:20px}.review-notes h2{font-weight:600;font-size:12px;margin:0 0 7px;color:var(--heading)}.review-notes p{margin:0}.brand-note{display:flex;gap:6px;align-items:flex-start}.brand-note p{margin-left:5px}.swatch{display:block;flex-shrink:0;width:10px;height:10px;border-radius:50%;margin-top:5px}.navy{background:var(--navy)}.yellow{background:var(--yellow);border:1px solid #E3CD3F}.quiet-note{grid-column:1/-1;font-size:11px;color:var(--muted)}.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}.skip-link{position:absolute;top:-60px;left:16px;z-index:10;background:var(--paper);padding:12px;border:1px solid var(--navy)}.skip-link:focus{top:12px}.prototype-switcher{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;border-radius:40px;box-shadow:0 4px 16px #0D2E5726;padding:7px 10px;display:flex;align-items:center;gap:14px;font-size:12px;z-index:20}.prototype-switcher[hidden]{display:none}.prototype-switcher button{border:0;background:transparent;color:white;padding:6px 10px;border-radius:20px}.has-prototype{padding-bottom:80px}.variant-review .review-layout{grid-template-columns:minmax(0,1fr) 225px;gap:26px}.variant-review .review-notes{display:flex;flex-direction:column;border-left:1px solid var(--border);padding:0 0 0 24px;gap:25px}.variant-review .quiet-note{margin-top:auto}.variant-focus .workspace{grid-template-columns:190px minmax(0,1fr)}.variant-focus .sidebar{padding-left:18px;padding-right:18px}.variant-focus .sidebar small{display:none}.variant-focus .page-header{display:block}.variant-focus .page-header .notes-link{display:inline-block;margin-top:18px}.variant-focus .review-notes{display:block;max-width:1024px;margin:0 auto}.variant-focus .review-notes>div{padding:15px 0;border-bottom:1px solid var(--border)}.variant-focus .quiet-note{margin-top:18px}
@media(min-width:1550px){.main{padding-left:58px;padding-right:58px}.review-layout{max-width:1100px}}@media(max-width:1150px){.main{padding:30px 24px}.workspace{grid-template-columns:218px minmax(0,1fr)}.sidebar{padding:32px 18px}.controls{flex-wrap:wrap;gap:18px}.state-control{min-width:220px}.file-links{width:100%;margin-left:0;height:auto;justify-content:space-between}.variant-review .review-layout{grid-template-columns:minmax(0,1fr)}.variant-review .review-notes{border-left:0;padding:24px 0 0;display:grid;grid-template-columns:1fr 1fr}.review-notes{grid-template-columns:1fr 1fr}.brand-note{grid-column:1/-1}}
@media(max-width:700px){.workspace,.variant-focus .workspace{display:block}.sidebar,.variant-focus .sidebar{padding:22px 18px 16px;border-right:0;border-bottom:1px solid var(--border)}.brand{width:92px}.brand img{width:92px}.project-title{margin:14px 0;font-size:14px;display:flex;justify-content:space-between;align-items:center}.project-title span{margin:0;font-size:12px}.sidebar nav{grid-template-columns:1fr 1fr;gap:8px}.email-nav{padding:12px 9px;gap:8px}.email-nav span{font-size:12px}.email-nav small,.sidebar-bottom{display:none}.main{padding:24px 16px 30px}.page-header{display:block;margin-bottom:20px}.page-header .notes-link{display:inline-block;margin-top:12px}h1{font-size:24px;line-height:31px}.draft-note{font-size:12px}#purpose{font-size:13px}.controls{gap:16px;padding-top:18px}.state-control{min-width:100%;max-width:none}.viewport-control{width:100%}.segmented{width:max-content}.file-links{font-size:11px;gap:8px}.mail-header{padding:14px 16px;font-size:12px}.mail-header>div{gap:5px}.mail-label{width:42px}.preview-stage{padding:14px 0 20px}.viewport-caption{padding:0 12px}.is-mobile iframe{width:375px}.review-notes,.variant-review .review-notes{display:block;font-size:12px}.review-notes>div{margin-bottom:20px}.review-notes .quiet-note{margin-top:18px}.variant-focus .review-notes>div{margin:0}.prototype-switcher{max-width:calc(100% - 20px);white-space:nowrap;font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:700px){.preview-panel.is-mobile{margin-left:-16px;margin-right:-16px;border-left:0;border-right:0;border-radius:0}}

/* Keep navigation in the visible workspace while email content scrolls. */
@media(min-width:701px){.sidebar{position:sticky;top:0;align-self:start;height:100dvh;overflow-y:auto;overscroll-behavior:contain}.sidebar>*{flex-shrink:0}.sidebar-bottom{padding-top:28px}}
.is-tablet iframe{width:768px;max-width:none}.is-tablet .viewport-caption{width:768px;max-width:none}

.controls{flex-wrap:wrap}.appearance-control{width:116px;flex-shrink:0}.appearance-control label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.appearance-control select{padding-right:20px}.preview-panel[data-appearance="dark"] .preview-stage{background:#07101D}.preview-panel[data-appearance="dark"] .viewport-caption{color:#B1C0D3}.preview-panel[data-appearance="dark"] iframe{background:#0B1422}

.nav-group-label{margin:14px 12px 4px;font-size:11px;line-height:18px;font-weight:600;color:var(--muted)}@media(min-width:701px){.sidebar nav{flex:1 1 auto;min-height:0;overflow-y:auto;align-content:start;margin-bottom:16px}.sidebar-bottom{padding-top:16px}}@media(max-width:700px){.sidebar nav{display:flex;overflow-x:auto;align-items:stretch;gap:8px;scrollbar-width:thin;padding-bottom:6px}.nav-group-label{display:none}.email-nav{min-width:158px;flex-shrink:0}.email-nav span{font-size:12px}}

/* Phone library navigation: persistent selection, category-first modal picker. */
.nav-category{min-width:0;border-bottom:1px solid var(--border);padding-bottom:7px}
.nav-category summary{display:flex;align-items:center;gap:8px;min-height:46px;padding:10px 6px;list-style:none;cursor:pointer;color:var(--heading);border-radius:6px}
.nav-category summary::-webkit-details-marker{display:none}
.nav-category summary:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}
.nav-category summary:hover{background:var(--canvas)}
.nav-category-copy{flex:1;min-width:0}
.nav-category-title{display:block;font-size:13px;font-weight:600;line-height:19px}
.nav-category-selection{display:block;font-size:11px;line-height:16px;color:var(--muted);font-weight:400;margin-top:4px;overflow-wrap:anywhere}
.nav-category-count{font-size:11px;line-height:20px;min-width:22px;text-align:center;border:1px solid var(--border);border-radius:5px;color:var(--muted)}
.nav-category-chevron{fill:none;stroke:currentColor;stroke-width:1.5;flex-shrink:0;transition:transform .15s ease}
.nav-category[open] .nav-category-chevron{transform:rotate(90deg)}
.nav-category-emails{display:grid;gap:4px;padding:2px 0 5px}
.nav-category .email-nav{padding:10px 8px;gap:8px}
.nav-category .email-nav span{min-width:0;overflow-wrap:anywhere;font-size:13px}
@media(prefers-reduced-motion:reduce){.nav-category-chevron{transition:none}}
[hidden]{display:none!important}
.mobile-library-bar{display:none}
.email-picker:not([open]){display:none}
.email-picker{color:var(--ink);background:var(--paper);border:0;padding:0;margin:0;width:100%;max-width:none;height:100dvh;max-height:none;inset:0;overflow:hidden}
.email-picker[open]{display:flex;flex-direction:column}
.email-picker::backdrop{background:#0D2E5766}
.email-picker-open,.email-picker-open body{overflow:hidden}
.picker-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:calc(18px + env(safe-area-inset-top,0px)) 20px 12px;flex-shrink:0}
.picker-header h2{margin:0 0 6px;font-size:22px;line-height:29px;letter-spacing:-.4px;font-weight:600;color:var(--heading)}
.picker-header p{margin:0;font-size:13px;line-height:19px;color:var(--muted)}
.picker-header p strong{font-weight:500;color:var(--ink)}
.picker-close{width:44px;height:44px;flex-shrink:0;border:1px solid var(--border);border-radius:7px;background:var(--paper);color:var(--heading);font-size:29px;line-height:1}
.picker-search{padding:0 20px 14px;flex-shrink:0}
.picker-search label{display:block;margin:0 0 7px;font-size:13px;line-height:18px;color:var(--muted)}
.picker-search-field{display:flex;align-items:center;min-height:48px;border:1px solid var(--control-border);border-radius:7px;background:var(--canvas)}
.picker-search input{min-width:0;flex:1;width:100%;height:48px;border:0;border-radius:7px;padding:10px 12px;background:transparent;font:16px/24px 'Segoe UI',Arial,Helvetica,sans-serif;color:var(--ink)}
.picker-search input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.picker-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.picker-search button{min-width:54px;min-height:44px;padding:8px 10px;background:transparent;border:0;color:var(--heading);font-size:13px;font-weight:600}
.picker-list-header{padding:0 20px 12px;border-bottom:1px solid var(--border);flex-shrink:0}
.picker-list-header>div{display:flex;gap:14px;align-items:baseline;justify-content:space-between}
.picker-list-header h3{margin:0;font-size:16px;line-height:23px;font-weight:600;color:var(--heading);overflow-wrap:anywhere}
#picker-result-count{font-size:12px;color:var(--muted);white-space:nowrap}
#picker-back{display:flex;align-items:center;gap:8px;min-height:44px;padding:0 4px 0 0;margin-bottom:3px;border:0;background:transparent;color:var(--heading);font-size:14px}
#picker-back>span{font-size:25px;line-height:1}
.picker-list{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 12px 12px;scroll-padding:8px}
.picker-category,.picker-email{width:100%;display:flex;align-items:center;gap:12px;min-height:62px;text-align:left;padding:14px 10px;border:0;border-bottom:1px solid var(--border);border-radius:0;background:var(--paper);color:var(--ink);position:relative}
.picker-category-copy,.picker-email-copy{display:block;flex:1;min-width:0}
.picker-category strong,.picker-email strong{display:block;font-size:16px;line-height:23px;font-weight:500;overflow-wrap:anywhere}
.picker-category small,.picker-email small{display:block;margin-top:4px;font-size:13px;line-height:19px;color:var(--muted);overflow-wrap:anywhere}
.picker-category-count{font-size:13px;color:var(--muted);min-width:20px;text-align:center}
.picker-chevron{font-size:25px;line-height:1;color:var(--muted)}
.picker-category.has-selection,.picker-email[aria-current=page]{background:var(--selected);color:var(--heading)}
.picker-category.has-selection:before,.picker-email[aria-current=page]:before{content:'';position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--yellow)}
.picker-category:focus-visible,.picker-email:focus-visible{outline-offset:-3px;z-index:1}
.picker-selected{display:flex;align-items:center;gap:5px;flex-shrink:0;font-size:12px;font-weight:600;color:var(--heading)}
.picker-selected>span{font-size:16px}
.picker-result-group h4{margin:0;padding:17px 10px 7px;font-size:13px;line-height:19px;font-weight:600;color:var(--muted)}
.picker-empty{padding:24px 10px;max-width:42ch;font-size:15px;line-height:23px}
.picker-empty p{margin:0 0 8px}.picker-empty p:first-child{font-weight:600;color:var(--heading)}
.picker-footer{flex-shrink:0;border-top:1px solid var(--border);padding:10px 20px calc(10px + env(safe-area-inset-bottom,0px));background:var(--canvas)}
.picker-footer p{margin:0;font-size:12px;line-height:18px;color:var(--muted)}
.picker-footer nav{display:flex;flex-wrap:wrap;column-gap:24px}
.picker-footer a{display:inline-flex;align-items:center;min-height:44px;font-size:13px;text-decoration:none}
.skip-link{z-index:60}
@media(max-width:700px){
 .sidebar,.variant-focus .sidebar{display:none}
 .mobile-library-bar{display:block;position:sticky;top:0;z-index:40;padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;background:var(--paper);border-bottom:1px solid var(--border)}
 .mobile-library-brand{display:flex;align-items:center;gap:12px;margin-bottom:9px;min-height:23px}
 .mobile-library-brand a,.mobile-library-brand img{display:block;width:76px;height:auto}
 .mobile-library-brand>span{font-size:12px;color:var(--muted)}
 #mobile-email-count{margin-left:auto;white-space:nowrap}
 .mobile-email-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;padding:9px 12px;text-align:left;border:1px solid var(--control-border);border-radius:7px;background:var(--paper);color:var(--heading)}
 .mobile-selection{display:block;min-width:0}
 #mobile-category-name{display:block;font-size:12px;line-height:18px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 #mobile-email-name{display:block;font-size:16px;line-height:22px;font-weight:600;overflow-wrap:anywhere}
 .mobile-change{display:flex;align-items:center;gap:5px;flex-shrink:0;font-size:13px;font-weight:500}
 .mobile-change>span{font-size:20px}
 .main{padding-top:22px}
 #preview-heading{scroll-margin-top:155px}
 .controls{display:grid;grid-template-columns:minmax(0,1fr) 100px;gap:14px 12px;align-items:end}
 .state-control{grid-column:1/-1;min-width:0}
 .viewport-control,.appearance-control{width:auto;min-width:0}
 .controls select{font-size:16px;min-height:44px}
 .segmented{width:100%;height:52px}.segmented button{flex:1;min-width:0;min-height:44px;padding-left:5px;padding-right:5px}.segmented button span{display:none}
 .file-links{grid-column:1/-1;font-size:13px;flex-wrap:wrap}.file-links a{min-height:44px;display:inline-flex;align-items:center}
}
@media(max-height:480px){.picker-header{padding-top:10px;padding-bottom:7px}.picker-header h2{font-size:20px;line-height:26px}.picker-search{padding-bottom:8px}.picker-footer{padding-top:6px;padding-bottom:calc(4px + env(safe-area-inset-bottom,0px))}}

/* Workspace shell tokens never cross the email iframe. */
:root[data-workspace-theme="dark"]{color-scheme:dark;--heading:#F1F5F9;--ink:#D9E2EF;--muted:#A8B8CC;--border:#33465E;--paper:#132238;--canvas:#0B1422;--workspace-bg:#0B1422;--control-border:#526881;--selected:#1B2D46;--selected-border:#526881;--action:#F9E251;--action-ink:#0D2E57;--focus:#93C5FD}
body,.main{background:var(--workspace-bg)}
.header-actions{display:flex;align-items:flex-end;gap:20px;flex-shrink:0}.header-actions .notes-link{padding-bottom:12px}.workspace-appearance-control label{display:block;font-size:12px;line-height:18px;color:var(--muted);margin-bottom:8px}.workspace-appearance-control select{width:154px}
:root[data-workspace-theme="dark"] .brand img,:root[data-workspace-theme="dark"] .mobile-library-brand img{background:#FFFFFF;border-radius:4px;outline:5px solid #FFFFFF}
.status-dot{background:var(--heading)}.prototype-switcher button{color:inherit}.picker-search input::placeholder{color:var(--muted);opacity:1}
@media(max-width:1100px){.page-header{align-items:flex-start}.header-actions{flex-direction:column;align-items:flex-end;gap:10px}.header-actions .notes-link{padding:0}}
@media(max-width:700px){.header-actions{margin-top:18px;flex-direction:row;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:12px}.header-actions .notes-link{margin-top:0;padding-bottom:12px}.workspace-appearance-control select{min-height:44px;font-size:16px}.controls{grid-template-columns:minmax(0,1fr) 124px}.appearance-control{width:auto}}