:root{--ink:#182f32;--muted:#5e7073;--accent:#176a63;--accent-hover:#10564f;--canvas:#f4f7f6;--surface:#fff;--line:#dce5e2;--soft:#e8f2ee;--danger:#ad3737;--radius:10px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--canvas);font-family:var(--font);font-size:14px;line-height:1.6}button,input,select,textarea{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}button:disabled{opacity:.5;cursor:not-allowed}a{color:inherit;text-decoration:none}button,input,select,textarea{border-radius:7px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #71a79f;outline-offset:3px}::selection{background:#cce5dc;color:#102e2a}input,textarea{caret-color:var(--accent)}*{scrollbar-width:thin;scrollbar-color:#b9cbc4 transparent}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round;flex-shrink:0}[hidden]{display:none!important}.muted,.footnote{color:var(--muted)}.footnote{font-size:12px;line-height:1.8}.error{color:var(--danger)}h1,h2,h3,p{margin:0}h1{font-size:26px;line-height:1.35;font-weight:650;letter-spacing:-.025em}h2{font-size:19px;font-weight:650}h3{font-size:15px}label{display:block;font-weight:550}input,select,textarea{width:100%;border:1px solid #cbd7d2;background:var(--surface);padding:10px 12px;min-height:42px}input::placeholder,textarea::placeholder{color:#71807f}input:hover,select:hover,textarea:hover{border-color:#8ba59c}textarea{resize:vertical}.primary{background:var(--accent);color:#fff;padding:11px 19px;min-height:42px}.primary:hover:not(:disabled){background:var(--accent-hover)}.secondary{background:var(--surface);border:1px solid var(--line);padding:9px 15px;min-height:40px}.secondary:hover:not(:disabled){background:var(--soft)}.text-button{color:var(--muted);padding:7px 10px}.text-button:hover{color:var(--accent);background:var(--soft)}.danger{color:var(--danger)}.login{min-height:100dvh;max-width:1120px;margin:auto;padding:48px 56px;display:flex;flex-direction:column}.login-brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:650;color:var(--accent)}.login-brand svg{width:34px;height:34px}.login form{width:min(100%,420px);margin:auto; padding:48px 0}.login h1{font-size:34px;margin-bottom:12px}.login form>.muted{margin-bottom:36px}.login label{margin-bottom:8px}.login input{height:48px}.login .primary{width:100%;margin-top:22px}.login .error{margin-top:15px;min-height:22px}.login .footnote{margin-top:22px}.login-bottom{color:var(--muted);font-size:12px}.workspace{height:100dvh;display:grid;grid-template-columns:232px minmax(0,1fr)}.sidebar{background:#edf3ef;border-right:1px solid var(--line);padding:30px 18px 20px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;font-size:17px;padding:0 9px 32px;color:#224c42}.brand svg{width:29px;height:29px}.account-label{font-size:11px;color:var(--muted);margin:0 10px 7px}.sidebar select{font-size:12px;background:#f9fbf9;min-width:0;text-overflow:ellipsis}.compose-button{margin:20px 0 27px;justify-content:flex-start;padding-left:19px}.compose-button span{font-size:22px;line-height:20px}.nav-item{width:100%;justify-content:flex-start;gap:12px;padding:12px 16px;color:#4a6158;margin-bottom:6px}.nav-item:hover{background:#e0eae3}.nav-item.active{background:#d6e7dd;color:#194d3d}.sidebar-bottom{margin-top:auto;padding:30px 10px 0}.private-label{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:8px}.private-label span{width:6px;height:6px;background:#42795f;border-radius:50%}.sidebar-bottom button{padding-left:0}.main{min-width:0;overflow:auto;position:relative;background:var(--surface)}.page-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:31px 32px 25px;border-bottom:1px solid var(--line);min-height:119px}.page-header .muted{margin-top:7px;font-size:12px;overflow-wrap:anywhere}.mail-view{height:100%;display:flex;flex-direction:column}.mail-columns{display:grid;grid-template-columns:minmax(290px,36%) minmax(0,1fr);min-height:0;flex:1}.message-list-pane{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.list-toolbar{padding:18px 20px 13px;border-bottom:1px solid var(--line)}.search-field{display:flex;align-items:center;position:relative;font-weight:400}.search-field svg{position:absolute;left:10px;width:17px;color:var(--muted)}.search-field input{padding-left:35px;min-height:38px;font-size:12px;background:#f6f8f7;border-color:#e4ebe7}.list-toolbar>span{font-size:11px;display:block;margin-top:10px;font-variant-numeric:tabular-nums}.message-list{overflow:auto;flex:1}.message-row{width:100%;display:block;text-align:left;white-space:normal;padding:18px 21px;border-radius:0;border-bottom:1px solid #e8eeeb;position:relative;font-weight:400}.message-row:hover{background:#f5f8f6}.message-row.selected{background:#eaf3ef}.message-row .row-top{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;margin-bottom:5px}.message-row .sender{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:75%;font-weight:600}.message-row time{white-space:nowrap;color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}.message-row .subject{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}.message-row .row-meta{color:var(--muted);font-size:11px}.message-row.unread .subject{font-weight:650}.message-row.unread:before{content:"";position:absolute;left:8px;top:25px;width:5px;height:5px;border-radius:50%;background:var(--accent)}.reader{padding:35px 38px;overflow:auto;min-width:0}.reader-header{padding-bottom:24px;border-bottom:1px solid var(--line)}.reader h2{font-size:24px;line-height:1.5;overflow-wrap:anywhere}.mail-metadata{display:grid;grid-template-columns:52px 1fr;gap:5px 8px;margin-top:20px;font-size:12px;overflow-wrap:anywhere}.mail-metadata dt{color:var(--muted)}.mail-metadata dd{margin:0}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;font:inherit;margin:28px 0;max-width:75ch}.reader-footnote{padding:12px 0;font-size:11px;color:var(--muted)}.empty-state{padding:50px 24px;text-align:center;color:var(--muted);max-width:460px;margin:auto}.reader>.empty-state{margin-top:15vh}.empty-state svg{width:64px;height:64px;stroke-width:1;color:#87a297;margin-bottom:20px}.empty-state h2{color:#3c5b50;font-size:18px;margin-bottom:9px}.empty-state p{font-size:12px}.empty-state button{margin-top:20px}.settings-view{max-width:1100px;margin:0 auto;padding-bottom:50px}.settings-view>.page-header{margin-bottom:28px}.settings-view>#accounts-list,.settings-view>#notifications-list,.settings-view>.editor,.settings-view>.settings-note,.settings-view>.compose-form{margin-left:32px;margin-right:32px}.account-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.account-identity{display:flex;align-items:center;gap:16px;min-width:0}.avatar{height:40px;width:40px;border-radius:9px;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-size:18px;flex-shrink:0}.account-identity h3,.account-identity p{overflow-wrap:anywhere}.account-identity p{font-size:12px;color:var(--muted)}.row-actions{display:flex;gap:4px}.editor{padding:24px 0;border-bottom:1px solid var(--line)}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px}.field-grid label{font-size:12px}.field-grid input{margin-top:7px}.editor .footnote{margin:20px 0}.settings-note{margin-top:34px;color:var(--muted);max-width:720px}.settings-note h2,.settings-note h3{color:var(--ink);margin-bottom:9px}.settings-note p{font-size:13px;margin-top:8px}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:12px;white-space:nowrap}.toggle-label input{width:19px;height:19px;min-height:0;accent-color:var(--accent)}.compose-form{max-width:850px}.compose-form>label{margin-bottom:20px;font-size:12px}.compose-form input,.compose-form select,.compose-form textarea{margin-top:7px}.compose-form textarea{min-height:300px;line-height:1.8}.compose-footer{display:flex;align-items:center;justify-content:space-between;gap:24px}.notice{padding:12px 32px;background:#edf4ed;border-bottom:1px solid #cbddce;color:#224e33;font-size:13px;overflow-wrap:anywhere}.notice.error{background:#fff1ef;border-color:#eed3ce;color:#8c3028}.notice button{float:right;margin-left:14px;color:inherit}dialog{border:0;border-radius:12px;padding:30px;width:min(520px,calc(100vw - 32px));color:var(--ink);box-shadow:0 20px 70px #10271e30}dialog::backdrop{background:#10271e66}dialog h2{margin-bottom:12px}dialog p{color:var(--muted);font-size:13px}.confirm-detail{margin:20px 0;white-space:pre-wrap;overflow-wrap:anywhere;max-height:40vh;overflow:auto;font-size:13px;background:#f4f7f5;padding:15px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.mobile-back{display:none}@media(min-width:1600px){.mail-columns{grid-template-columns:400px minmax(0,1fr)}}@media(max-width:1050px){.workspace{grid-template-columns:194px minmax(0,1fr)}.sidebar{padding:25px 12px}.brand{font-size:15px;gap:7px}.page-header{padding:26px 24px}.mail-columns{grid-template-columns:290px minmax(0,1fr)}.reader{padding:28px 24px}.reader h2{font-size:20px}}@media(max-width:800px){.workspace{grid-template-columns:170px minmax(0,1fr)}.sidebar{padding:22px 10px}.brand{font-size:14px;padding-left:4px}.brand svg{width:24px}.nav-item{padding-left:11px}.mail-columns{display:block;overflow:auto}.message-list-pane{height:100%;border-right:0}.reader{display:none}.mail-columns.reading .message-list-pane{display:none}.mail-columns.reading .reader{display:block}.mobile-back{display:inline-flex;margin-bottom:24px}.settings-view>#accounts-list,.settings-view>#notifications-list,.settings-view>.editor,.settings-view>.settings-note,.settings-view>.compose-form{margin-left:24px;margin-right:24px}.field-grid{grid-template-columns:1fr}.compose-footer{align-items:flex-start;flex-direction:column}.reader>.empty-state{margin-top:5vh}}@media(max-width:560px){.workspace{display:flex;flex-direction:column;height:auto;min-height:100dvh}.sidebar{position:relative;padding:14px 16px 0;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:10px 14px}.brand{padding:0;font-size:16px}.sidebar .account-label{display:none}.sidebar select{grid-row:2;grid-column:1;min-height:37px}.compose-button{grid-column:2;grid-row:2;margin:0;min-height:37px;padding:7px 14px}.sidebar nav{grid-column:1/-1;display:flex;gap:3px;justify-content:space-between}.nav-item{padding:10px 8px;margin:0;border-radius:7px 7px 0 0;gap:6px;font-size:12px}.nav-item svg{width:16px;height:16px}.sidebar-bottom{padding:0;margin:0;grid-column:2;grid-row:1}.private-label{display:none}.sidebar-bottom .text-button{font-size:11px;padding:4px}.main{overflow:visible;flex:1}.page-header{min-height:99px;padding:22px 20px 19px}.page-header h1{font-size:23px}.page-header .secondary{min-height:36px;padding:6px 10px;font-size:12px}.mail-columns{min-height:calc(100dvh - 259px)}.message-list-pane{min-height:calc(100dvh - 259px)}.message-list{overflow:visible}.reader{padding:24px 22px}.message-row{padding:18px 22px}.settings-view>#accounts-list,.settings-view>#notifications-list,.settings-view>.editor,.settings-view>.settings-note,.settings-view>.compose-form{margin-left:20px;margin-right:20px}.account-row{align-items:flex-start;gap:12px;flex-wrap:wrap}.account-identity{gap:11px;flex:1}.account-identity h3{font-size:14px}.row-actions{margin-left:auto}.row-actions button{font-size:12px;padding:6px}.login{padding:28px}.login h1{font-size:30px}.notice{padding:12px 20px}.dialog-actions button{flex:1}.compose-form textarea{min-height:260px}}@media(prefers-reduced-motion:no-preference){.mail-columns.reading .reader{animation:reader-in .18s cubic-bezier(.16,1,.3,1)}@keyframes reader-in{from{transform:translateY(5px)}to{transform:translateY(0)}}}
/* Complete-client surfaces extend the same quiet green workspace. */
.folder-navigation{flex:1;min-height:130px;overflow:auto}.settings-navigation{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.folder-navigation .nav-item{padding-top:9px;padding-bottom:9px;font-size:13px;min-width:0}.folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-icon{width:18px;height:18px;flex-shrink:0}.folder-manage{font-size:11px;padding-left:16px}.sidebar-bottom{margin-top:8px;padding-top:12px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;font-size:11px;flex-wrap:wrap}.pagination button{font-size:11px;padding:4px 6px}.search-form{display:flex;gap:6px}.search-form .search-field{flex:1;min-width:0}.search-form>.secondary{padding:5px 9px;font-size:11px;min-height:36px}.message-item{position:relative;display:flex;border-bottom:1px solid #e8eeeb}.message-item .message-row{border:0;padding-right:9px;min-width:0;flex:1}.message-item .row-star{align-self:flex-start;padding:17px 12px 0 0;color:var(--muted);min-width:30px}.message-item .row-star.active{color:#866820}.row-star svg{width:15px;height:15px}.row-star.active svg{fill:#ead690}.message-item.selected{background:var(--soft)}.message-actions{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:23px}.message-actions button{padding:6px 10px;min-height:33px;font-size:12px}.message-actions .danger{margin-left:auto}.reader-attachments{padding:20px 0;border-top:1px solid var(--line)}.reader-attachments h3{margin-bottom:12px}.attachment-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.attachment-name{min-width:0;overflow-wrap:anywhere}.attachment-row a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}.attachment-row small{color:var(--muted)}.reader-warning{font-size:12px;color:#795420;background:#fbf6e9;padding:12px;border-radius:6px;margin:12px 0}.settings-view>#drafts-list,.settings-view>#folder-management-list{margin:0 32px}.draft-row{display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding:18px 0}.draft-open{display:block;min-width:0;flex:1;text-align:left;white-space:normal}.draft-open h3{font-size:14px}.draft-open p{font-size:12px;font-weight:400;color:var(--muted);overflow-wrap:anywhere}.draft-state{font-size:11px;color:#795420}.recipient-grid{margin-bottom:20px}.recipient-grid input{margin-top:7px}.file-button{cursor:pointer;font-weight:500;font-size:12px;position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.file-button:focus-within{outline:3px solid #71a79f;outline-offset:3px}.attachments-editor{margin:26px 0}.attachments-editor .section-title{margin-bottom:4px}.compose-footer .footnote{margin-top:8px}.compose-form input[readonly]{background:#f5f8f6;color:var(--muted)}.folder-management-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}#dialog-input-label,#dialog-select-label{margin-top:18px;font-size:12px}#dialog-input,#dialog-select{margin-top:7px}.list-toolbar>span{display:none}@media(max-width:800px){.settings-view>#drafts-list,.settings-view>#folder-management-list{margin-left:24px;margin-right:24px}.reader .message-actions{margin-top:0}.message-actions .danger{margin-left:0}.reader .mobile-back{margin-bottom:18px}}@media(max-width:560px){.sidebar .folder-navigation{grid-column:1/-1;display:block;max-height:130px;min-height:0;width:100%;overflow:auto}.folder-navigation #folder-list{display:flex;overflow:auto}.folder-navigation #folder-list>.nav-item{width:auto;min-width:90px;max-width:160px;flex-shrink:0}.folder-navigation #nav-drafts{display:inline-flex;width:auto;font-size:12px}.folder-navigation .folder-manage{display:inline-flex}.sidebar .settings-navigation{border:0;margin:0;padding:0;grid-column:1/-1;justify-content:flex-start}.settings-navigation .nav-item{width:auto}.sidebar{gap:8px 12px}.page-header{padding-top:20px}.settings-view>#drafts-list,.settings-view>#folder-management-list{margin-left:20px;margin-right:20px}.field-grid.recipient-grid{gap:14px}.draft-row{align-items:flex-start;gap:6px}.message-actions{gap:5px}.message-actions button{font-size:11px;padding:6px 8px}.mail-columns,.message-list-pane{min-height:430px}.settings-navigation svg{display:none}.sidebar-bottom .text-button{padding-right:0}}
.folder-depth-1 .folder-name{padding-left:8px}.folder-depth-2 .folder-name{padding-left:16px}.folder-depth-3 .folder-name{padding-left:24px}.folder-depth-4 .folder-name{padding-left:32px}.field-grid .toggle-label input{width:18px;min-height:18px;flex-shrink:0}.field-grid .toggle-label{white-space:normal;align-items:center}
.reader-cache-status{color:var(--muted);font-size:12px;padding:12px 0;border-bottom:1px solid var(--line)}.cache-account-status{max-width:64ch;line-height:1.8}.account-row .account-identity{align-items:flex-start}@media(max-width:560px){#accounts-view>.page-header{align-items:flex-start;flex-direction:column;gap:14px}#accounts-view>.page-header>.row-actions{margin-left:0}}