:root{--app-header-height:72px;color-scheme:light;--ink:#172438;--muted:#738091;--line:#e7edf0;--green:#009b7b;--green-dark:#007c64;--tint:#e8f6f1;--canvas:#f6f8fa;--danger:#bc4050;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--green)}button{cursor:pointer;border:1px solid var(--line);border-radius:7px;padding:9px 13px;background:#fff;color:var(--ink);line-height:1.45}button:hover{background:var(--canvas);border-color:#cbd8d5}button:disabled{cursor:default;opacity:.5}button.primary{color:#fff;border-color:var(--green);background:var(--green)}button.primary:hover:not(:disabled){background:var(--green-dark)}button.quiet{background:transparent}button.danger{color:var(--danger);border-color:#f0d6da}a{color:var(--green-dark);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{width:100%;border:1px solid #dce4e8;border-radius:7px;padding:10px 11px;background:white;color:var(--ink);min-width:0}input::placeholder,textarea::placeholder{color:#929ba7}input[type=checkbox]{width:16px;height:16px;accent-color:var(--green);flex-shrink:0}textarea{resize:vertical;min-height:82px}label{display:block;font-size:13px;line-height:1.6}label>input:not([type=checkbox]),label>textarea,label>select{margin-top:5px}h1,h2,h3,p{margin-top:0}h1{font-size:20px;letter-spacing:-.5px}h2{font-size:19px;letter-spacing:-.3px}h3{font-size:14px}summary{cursor:pointer}details>summary{list-style:none}details>summary::before{content:'⌄';display:inline-block;margin-right:8px;color:var(--muted)}details[open]>summary::before{transform:rotate(180deg)}.muted{color:var(--muted)}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.4px;color:var(--muted)}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}[hidden]{display:none!important}
.app-header{height:var(--app-header-height);display:flex;align-items:center;gap:20px;padding:0 26px 0 21px;background:#fff;border-bottom:1px solid var(--line)}.brand-mark{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:var(--green);color:#fff;font-size:26px;line-height:1;flex-shrink:0}.app-header h1{margin:0}.app-header #toggle-mailboxes{margin-left:auto;font-size:12px;color:var(--muted)}.app-header>a{font-size:13px;color:var(--muted)}#workspace{position:relative;--rail-width:76px;--default-mailbox-width:246px;--default-list-width:350px;display:grid;grid-template-columns:var(--rail-width) var(--mailbox-width,var(--default-mailbox-width)) var(--list-width,var(--default-list-width)) minmax(0,1fr);height:calc(100dvh - var(--app-header-height));min-height:0;background:#fff}.rail{display:flex;flex-direction:column;gap:9px;padding-top:14px;background:#f9fbfc;border-right:1px solid var(--line)}.rail-item{border:0;border-radius:0;padding:13px 2px;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:11px;font-weight:550;background:transparent}.rail-item>span{font-size:25px;line-height:1}.rail-item.active{background:var(--tint);color:var(--green-dark);border-left:3px solid var(--green);padding-left:0}.rail-item:hover{background:#edf5f1}aside,.list,article{min-width:0;min-height:0}aside{display:flex;flex-direction:column;padding:22px 16px 14px;border-right:1px solid var(--line);overflow:auto}.directory-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.directory-heading h2{margin:0}.icon-button{font-size:23px;line-height:1;padding:5px 7px;border:0;background:transparent;color:var(--muted)}.search-field input{background:#f2f5f7;border-color:transparent;margin-top:0!important;font-size:13px}.directory-filters{font-size:12px;margin:16px 0 9px}.directory-filters summary{color:var(--muted)}.directory-filters label{margin-top:10px}.check-label{display:flex;align-items:flex-start;gap:7px}.check-label input{margin:2px 0 0}.archived-toggle{font-size:12px;color:var(--muted);margin:5px 0 20px}.directory-caption{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;margin-bottom:9px}.directory-caption>span:first-child{font-weight:650;color:var(--ink)}.directory-caption>span:last-child{font-size:10px;color:var(--muted)}#mailbox-items{flex:1;overflow:auto;margin:0 -7px;min-height:120px}.mailbox-item{width:100%;display:flex;align-items:center;gap:9px;padding:11px 10px;border:0;border-radius:6px;background:transparent;text-align:left;margin:1px 0;font-size:12px}.mailbox-item[aria-current=true]{background:var(--tint);color:var(--green-dark)}.mailbox-address{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.health-dot{height:7px;width:7px;flex-shrink:0;border-radius:50%;background:#aeb9c1}.health-dot.healthy{background:var(--green)}.health-dot.failure{background:#de8d46}.health-dot.archived{background:#c3c8cf}.favorite{margin-left:auto;font-size:12px;color:#e9ab32}.directory-empty{font-size:12px;text-align:center;color:var(--muted);padding:28px 0}.directory-footer{padding-top:16px;border-top:1px solid var(--line)}.directory-footer button{width:100%;font-size:12px;color:var(--green-dark)}
.list{display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--line)}.list-heading{padding:22px 18px 18px;display:flex;gap:10px;align-items:center}.list-heading>div{flex:1;min-width:0}.list-heading h2{font-size:18px;margin:0 0 5px}.list-heading p{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0}.list-heading button{flex-shrink:0;font-size:12px}.list-controls{padding:0 18px}.message-filters{font-size:11px;color:var(--muted);margin:12px 0 4px}.message-filters p{font-size:11px;line-height:1.6;margin:8px 0}.message-filters select{padding:6px;font-size:12px}.list-meta{display:flex;justify-content:space-between;align-items:center;margin:15px 18px 0;padding:0 0 12px;border-bottom:2px solid var(--green);font-size:12px}.list-meta>span:first-child{font-weight:650;color:var(--green-dark)}.list-meta>span:last-child{font-size:10px;color:var(--muted)}#message-count{font-weight:400;margin-left:4px}#status{color:var(--muted);font-size:10px;line-height:1.6;margin:0;padding:9px 18px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}#status.error{color:var(--danger);background:#fff8f8}#messages{list-style:none;padding:0;margin:0;overflow:auto;min-height:0;flex:1}#messages:empty{flex:0}#messages li{margin:0}.message-row{display:block;border:0;border-bottom:1px solid var(--line);border-radius:0;margin:0;width:100%;padding:20px 20px 18px;text-align:left;background:#fff;position:relative}.message-row:hover{background:#f6faf8}.message-row[aria-current=true]{background:var(--tint);box-shadow:inset 3px 0 var(--green)}.message-row-top{display:flex;gap:12px;align-items:center;margin-bottom:7px}.message-row strong{font-size:13px;font-weight:600;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0}.message-row time{font-size:10px;color:var(--muted);flex-shrink:0}.message-row-subject{display:block;font-size:13px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-bottom:7px}.message-row.unread .message-row-subject{font-weight:600}.message-row.unread .message-row-subject::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:#3095d3;margin-right:7px;vertical-align:2px}.message-row small{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;color:var(--muted);font-size:11px;line-height:1.6}#load-earlier{flex-shrink:0;margin:10px 16px;color:var(--green-dark);font-size:12px}.empty-state{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;padding:32px;color:var(--muted);min-height:0}.empty-symbol{font-size:29px;display:grid;place-items:center;background:#edf6f2;color:#52a08b;width:64px;height:64px;border-radius:20px;margin-bottom:7px}.empty-state h2,.empty-state h3{color:#546375;font-weight:550;font-size:16px;margin:0}.empty-state p{font-size:12px;line-height:1.7;margin:0;max-width:260px}.empty-state button{margin-top:8px}
article{padding:22px 28px 25px;display:flex;flex-direction:column;overflow:auto}.reader-toolbar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.reader-toolbar button{font-size:11px}.reader-toolbar .eyebrow{font-size:10px}#reader-content{display:flex;flex-direction:column;flex:1 0 auto;min-height:min-content}#subject{font-size:24px;line-height:1.4;margin:0 0 19px;overflow-wrap:anywhere}.sender-line{display:flex;align-items:center;gap:12px;min-width:0;margin-bottom:16px}.avatar{flex-shrink:0;display:grid;place-items:center;width:39px;height:39px;border-radius:50%;background:var(--green);color:#fff;font-size:17px}#provenance{font-size:12px;line-height:1.8;color:#677588;overflow-wrap:anywhere;margin:0}#capability{font-size:10px;color:var(--muted);line-height:1.6;margin:0 0 8px}#reading-tools{max-height:150px;overflow:auto;font-size:11px;line-height:1.65;flex-shrink:0}#reading-tools button{font-size:11px;margin:3px 5px 3px 0;padding:7px 10px}#reading-tools p{margin:5px 0;color:var(--muted)}#reading-tools a{overflow-wrap:anywhere}#reading-tools details{margin-top:7px}#reading-tools details>div{padding:7px 0}#load-images{align-self:flex-start;font-size:11px;margin-top:6px}#copy-status{font-size:11px;color:var(--green-dark);margin:4px 0 8px;min-height:14px}.body-surface{flex:1 0 240px;min-height:240px;border:1px solid var(--line);border-radius:9px;background:#f8fafb;padding:16px}iframe{display:block;width:100%;height:100%;background:#fff;border:0}.mobile-back,#enter-list{display:none}#workspace.mailboxes-hidden{grid-template-columns:var(--rail-width) var(--list-width,var(--default-list-width)) minmax(0,1fr)}#workspace.mailboxes-hidden>aside{display:none}#workspace.reading-fullscreen{position:fixed;inset:0;z-index:5;height:100dvh;display:block}#workspace.reading-fullscreen>nav,#workspace.reading-fullscreen>aside,#workspace.reading-fullscreen>.list{display:none}#workspace.reading-fullscreen>article{height:100%;max-width:1120px;margin:auto}.reading-fullscreen .body-surface{padding:22px}
#management{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 48px);padding:26px 30px;border:1px solid var(--line);border-radius:14px;color:var(--ink);box-shadow:0 24px 80px #172b3a24}#management::backdrop{background:#172b3a55;backdrop-filter:blur(3px)}.management-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.management-heading h2{font-size:23px;margin:6px 0 0}.management-heading .eyebrow{margin:0}#management-address{font-weight:550;font-size:14px;overflow-wrap:anywhere;margin-bottom:6px}#source{font-size:11px;color:var(--muted);line-height:1.7}#directory-status{font-size:12px;color:var(--green-dark);overflow-wrap:anywhere}#directory-status:empty{display:none}.management-content>details{border-top:1px solid var(--line);padding:18px 0}.management-content>details>summary{font-size:14px;font-weight:600}.management-content label{margin:14px 0}.management-content button{margin:5px 0}.management-content p{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0}.management-content .form-help{font-size:11px}.import-section{padding-top:12px;margin-top:18px;border-top:1px solid var(--line)}#import-results{padding-left:18px;font-size:12px;line-height:1.8}#delete-status{color:var(--green-dark)}.danger-zone>summary{color:var(--danger)}.login{max-width:410px;margin:12vh auto;padding:36px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 55px #24374b08}.login .brand-mark{margin-bottom:27px;width:45px;height:45px}.login .eyebrow{font-size:10px;margin-bottom:8px}.login h1{font-size:25px;margin-bottom:9px}.login .muted{font-size:13px;margin-bottom:25px}.login label{margin:17px 0}.login button{width:100%;margin-top:7px}
@media(min-width:1600px){#workspace{--rail-width:80px;--default-mailbox-width:275px;--default-list-width:390px}article{padding:27px 34px}.message-row{padding:23px}.message-row strong,.message-row-subject{font-size:14px}}
@media(min-width:801px) and (max-width:1150px){#workspace{--rail-width:62px;--default-mailbox-width:205px;--default-list-width:285px}aside{padding:18px 11px}.directory-caption>span:last-child{display:none}article{padding:20px 17px}#subject{font-size:20px}.body-surface{padding:7px}.rail-item{font-size:10px}.message-row{padding:17px 15px}.message-row strong{font-size:12px}}
@media(max-width:800px){:root{--app-header-height:116px}.app-header{height:var(--app-header-height);padding:0 16px;gap:12px}.app-header h1{font-size:18px}.app-header .brand-mark{width:31px;height:31px;font-size:22px}.app-header #toggle-mailboxes{display:none}.app-header>a{margin-left:auto}#workspace,#workspace.mailboxes-hidden{display:grid;grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) 66px;height:calc(100dvh - var(--app-header-height))}.rail{grid-row:2;flex-direction:row;justify-content:center;gap:30px;border:0;border-top:1px solid var(--line);padding:0;background:#fff}.rail-item{min-width:112px;gap:2px;font-size:10px;padding:7px 16px;border-radius:0}.rail-item>span{font-size:23px}.rail-item.active{border-left:0;border-top:2px solid var(--green);padding:5px 16px 7px;background:#f3fbf7}#workspace>aside,#workspace>.list,#workspace>article{display:none;grid-row:1;grid-column:1;height:100%;border:0}#workspace[data-view=mailboxes]>aside{display:flex}#workspace[data-view=list]>.list{display:flex}#workspace[data-view=body]>article{display:flex}aside{padding:20px}.directory-heading{margin-bottom:16px}.directory-heading h2{font-size:23px}.directory-filters{margin-top:17px}.directory-caption>span:last-child{display:block}.mailbox-item{padding:13px 12px;font-size:14px}.directory-footer{display:flex;gap:10px}.directory-footer button{flex:1}.mobile-back,#enter-list{display:inline-block}.list-heading{padding:18px 17px 14px;flex-wrap:wrap}.list-heading .mobile-back{width:100%;text-align:left;padding:0;border:0;color:var(--green-dark);margin-bottom:6px}.list-heading h2{font-size:21px}.list-heading p{font-size:12px}.message-row{padding:18px 20px}.message-row strong,.message-row-subject{font-size:14px}.message-row small{font-size:12px}.message-row time{font-size:11px}article{padding:15px 16px}.reader-toolbar{margin-bottom:17px}.reader-toolbar .eyebrow{display:none}.reader-toolbar .mobile-back{border:0;padding-left:0;font-size:12px;color:var(--green-dark)}#subject{font-size:23px;margin-bottom:15px}.sender-line{margin-bottom:10px}.body-surface{padding:5px;border-radius:6px}#reading-tools{max-height:124px}#workspace.reading-fullscreen{display:block}#workspace.reading-fullscreen>article{display:flex;height:100%}#management{padding:23px 22px;max-height:calc(100dvh - 24px);width:calc(100vw - 24px)}.login{margin:8vh 18px;padding:30px;max-width:410px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

#directory-feedback{font-size:11px;line-height:1.6;color:var(--green-dark);overflow-wrap:anywhere;margin:10px 0}#directory-feedback:empty{display:none}

.directory-footer button.primary{color:#fff}

.column-resizer{position:absolute;top:0;bottom:0;width:10px;transform:translateX(-50%);z-index:3;cursor:col-resize;touch-action:none;outline:none}
.column-resizer::after{content:'';position:absolute;left:4px;top:0;bottom:0;width:2px;background:transparent}
.column-resizer:hover::after,.column-resizer:focus-visible::after,.column-resizer.dragging::after{background:var(--green)}
#resize-mailboxes{left:calc(var(--rail-width) + var(--mailbox-width,var(--default-mailbox-width)))}
#resize-messages{left:calc(var(--rail-width) + var(--mailbox-width,var(--default-mailbox-width)) + var(--list-width,var(--default-list-width)))}
#workspace.mailboxes-hidden>#resize-mailboxes,#workspace.reading-fullscreen>.column-resizer{display:none}
#workspace.mailboxes-hidden>#resize-messages{left:calc(var(--rail-width) + var(--list-width,var(--default-list-width)))}
body.resizing-columns,body.resizing-columns *{cursor:col-resize!important;user-select:none!important}
body.resizing-columns iframe{pointer-events:none}
@media(max-width:800px){.column-resizer{display:none}}

.mode-switch{display:flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:9px;background:var(--canvas);margin-left:12px}
.mode-switch button{border:0;background:transparent;padding:7px 13px;font-size:12px;white-space:nowrap;color:var(--muted)}
.mode-switch button[aria-pressed=true]{background:#fff;color:var(--green-dark);box-shadow:0 1px 4px #17243812}

@media(max-width:800px){.app-header{flex-wrap:wrap;align-content:center;padding-top:8px;padding-bottom:8px;gap:8px 12px}.mode-switch{order:4;width:100%;margin:0}.mode-switch button{flex:1;padding:8px 12px}}

#workspace[data-mode=gpt]{--default-mailbox-width:310px}
#workspace[data-mode=gpt] #mailbox-items{padding:1px 7px 8px;margin:0 -7px}
#workspace[data-mode=gpt] .mailbox-item{display:block;padding:14px 12px;margin:0 0 10px;border:1px solid var(--line);border-radius:9px;background:#fff}
#workspace[data-mode=gpt] .mailbox-item:hover{border-color:#b4d4ca;background:#fafdfb}
#workspace[data-mode=gpt] .mailbox-item[aria-current=true]{border-color:var(--green);background:#f2faf7;box-shadow:inset 3px 0 var(--green)}
.mailbox-card-heading{display:flex;align-items:center;gap:8px;min-width:0;font-size:12px;font-weight:600;margin-bottom:13px}
.mailbox-card-heading .mailbox-address{white-space:normal;overflow-wrap:anywhere;line-height:1.5}
.subscription-facts{display:flex;flex-direction:column;gap:10px}
.subscription-fact{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}
.subscription-fact strong{font-size:13px;font-weight:550;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.5}
.subscription-fact .subscription-active{color:var(--green-dark)}
.subscription-note{font-size:10px;color:var(--green-dark);margin-top:-7px;line-height:1.5}
.subscription-health{display:block;margin-top:12px;padding-top:9px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);line-height:1.5}
@media(max-width:800px){.mailbox-card-heading{font-size:14px}.subscription-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}.subscription-note{grid-column:2;margin-top:-4px}.subscription-fact strong{font-size:14px}#workspace[data-mode=gpt] .mailbox-item{padding:15px}.subscription-health{font-size:11px}}

#workspace[data-mode=gpt] .mailbox-pro-200{background:linear-gradient(135deg,#fffaf0,#fff0c7);border-color:#d9b862}
#workspace[data-mode=gpt] .mailbox-pro-200:hover{background:#fff0c4;border-color:#b88a2c}
#workspace[data-mode=gpt] .mailbox-pro-200[aria-current=true]{background:linear-gradient(135deg,#fff7df,#ffe9aa);border-color:#b48522;box-shadow:inset 3px 0 #b48522;color:#705012}
.mailbox-pro-200 .subscription-health{border-top-color:#dfc988}
.subscription-tier{display:inline-block;margin:-3px 0 13px;padding:3px 7px;border:1px solid #ddc382;border-radius:4px;background:#fff6d8;color:#77531b;font-size:11px;font-weight:600;line-height:1.5}