:root{--brand:#087aa5;--brand-dark:#05658a;--ink:#233448;--muted:#7d8da0;--border:#e6ecf2;--canvas:#f6f8fb;--paper:#fff;--highlight:#eef7fb;--accent:#e98b40;--radius:12px;color-scheme:light}*{box-sizing:border-box}html{min-width:320px}body{margin:0;background:var(--canvas);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.65;cursor:wait}:focus-visible{outline:3px solid #72bddd;outline-offset:2px}.topbar{height:72px;background:var(--paper);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:relative;z-index:20}.topbar-left,.topbar-right,.brand{display:flex;align-items:center;gap:12px}.brand{text-decoration:none;font-size:20px;font-weight:750;letter-spacing:-.6px;color:#076990}.brand b{font-weight:450;color:#526476}.brand-mark{width:37px;height:37px;display:grid;place-items:center;background:var(--brand);border-radius:10px;color:#fff;font-size:21px}.topbar-right{gap:18px}.stage{font-size:10px;letter-spacing:1px;color:#96a4b2;font-weight:700}.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;color:#16799a;background:#e4f4f8;font-size:13px;font-weight:800}.mobile-nav-toggle{display:none}.icon-button{border:0;background:transparent;font-size:22px;color:#486176}.shell{display:flex;min-height:calc(100dvh - 126px);width:100%}.sidebar{width:264px;flex:0 0 264px;background:#fff;border-right:1px solid var(--border);padding:28px 16px 20px;display:flex;flex-direction:column}.account{padding:0 12px 22px;min-width:0}.account-name,.nav-heading,.eyebrow{font-size:10px;letter-spacing:1.4px;font-weight:800;color:#92a1b0}.account strong{display:block;overflow-wrap:anywhere;color:#344e62;font-size:13px;margin-top:5px;font-weight:650}.compose-button{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 14px;background:var(--brand);border-radius:10px;text-decoration:none;color:#fff;font-weight:700;box-shadow:0 7px 14px #087aa521}.compose-button:hover,.primary:hover{background:var(--brand-dark)}.compose-button span{font-size:21px;font-weight:400;line-height:1}.nav-heading{margin:29px 12px 12px}.sidebar nav{display:grid;gap:3px;overflow-y:auto}.folder-link{display:flex;align-items:center;gap:13px;border-radius:9px;padding:11px 13px;text-decoration:none;color:#586d80;font-size:13px;min-width:0;overflow-wrap:anywhere}.folder-link:hover{background:#f7f9fc}.folder-link.selected{background:#eaf6fb;color:#08769c;font-weight:700}.folder-glyph{width:18px;font-size:17px;flex-shrink:0;text-align:center}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--border);padding:16px 10px 0}.security-note{font-size:11px;color:#92a1af;margin-bottom:14px}.security-note span{color:#239c78;margin-right:6px}.logout{background:transparent;color:#607589;border:0;padding:8px 0;font-size:12px}.inbox{flex:1;min-width:0;background:#fff}.content-header{min-height:121px;padding:28px 34px 23px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:15px}.content-header h1{font-size:25px;line-height:1.25;letter-spacing:-.8px;margin:4px 0}.content-header p{margin:0;color:var(--muted);font-size:12px}.refresh-button,.quiet-link{font-size:12px;font-weight:650;color:#588096;text-decoration:none}.refresh-button{border:1px solid var(--border);border-radius:8px;padding:9px 13px;white-space:nowrap}.searchbar{display:flex;align-items:center;gap:12px;margin:21px 34px 16px;padding:4px 6px 4px 14px;background:#f7f9fb;border:1px solid #e7edf3;border-radius:10px}.searchbar>span{font-size:24px;color:#8ca1af}.searchbar input{min-width:0;flex:1;background:transparent;border:0;outline:none;padding:8px 0;color:var(--ink)}.searchbar button{border:0;border-radius:7px;background:#e4eff5;color:#326b8a;padding:8px 13px;font-size:12px;font-weight:700}.searchbar a{text-decoration:none;padding:0 8px}.list-toolbar{display:flex;align-items:center;justify-content:space-between;background:#fbfcfe;border-block:1px solid var(--border);padding:14px 34px;color:#8091a2;font-size:12px}.list-toolbar strong{color:#52677a;font-weight:650}.message-row{display:flex;align-items:stretch;border-bottom:1px solid #edf1f5;min-height:69px}.message-row:hover{background:#f7fbfe}.message-row.unread{background:#f3f9fd}.flag-form{display:grid;place-items:center;padding-left:23px}.star-button{border:0;background:transparent;color:#bbc7d0;font-size:23px;line-height:1;padding:10px}.star-button.is-starred{color:var(--accent)}.message-main{min-width:0;flex:1;display:grid;grid-template-columns:minmax(140px,1fr) minmax(180px,2fr) minmax(105px,.8fr);align-items:center;gap:15px;padding:14px 30px 14px 14px;text-decoration:none;font-size:13px}.message-main>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-from{color:#34485b}.message-subject{color:#5f7182}.unread .message-from,.unread .message-subject{font-weight:750;color:#233c50}.message-date{font-size:11px;color:#9aa8b5;text-align:right}.pagination{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:23px 34px;font-size:12px;color:#91a0af}.pagination div{display:flex;gap:10px}.pagination a,.outline-button{border:1px solid var(--border);border-radius:8px;padding:8px 12px;text-decoration:none;color:#58768a;font-size:12px}.empty{min-height:315px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:35px}.empty-icon{font-size:35px;color:#9bb4c2}.empty h2{margin:10px 0 4px;font-size:17px}.empty p{margin:0;color:var(--muted)}.reading{max-width:1000px;padding:33px 38px}.reading h2{margin:0 0 26px;font-size:24px;line-height:1.35;overflow-wrap:anywhere}.message-meta{display:flex;align-items:center;gap:12px;padding-bottom:22px;border-bottom:1px solid var(--border)}.sender-avatar{width:40px;height:40px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;background:#e8f2f9;color:#287da1;font-weight:750}.sender-info{min-width:0;flex:1}.sender-info strong,.sender-info small{display:block;overflow-wrap:anywhere}.sender-info small{font-size:11px;color:var(--muted)}.message-meta time{align-self:start;color:var(--muted);font-size:11px;white-space:nowrap}.message-actions{display:flex;gap:10px;margin-top:21px;flex-wrap:wrap}.message-body{font:14px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;margin-top:32px}.compose-form{max-width:1000px;margin:25px 34px 50px;border:1px solid var(--border);border-radius:12px;box-shadow:0 6px 24px #25354b08;overflow:hidden}.input-line{display:flex;align-items:center;border-bottom:1px solid var(--border);min-height:55px}.input-line label{width:91px;padding-left:22px;color:#6e8192;font-size:12px;flex-shrink:0}.input-line input{padding:14px 15px 14px 0;flex:1;min-width:0;border:0;background:transparent;outline:none}.body-editor{width:100%;min-height:300px;padding:25px 22px;border:0;resize:vertical;outline:0;color:var(--ink);font-size:14px;line-height:1.7}.compose-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--border);padding:17px 19px}.file-upload{display:flex;flex-direction:column;gap:3px;min-width:0}.file-upload label{cursor:pointer;color:#387b9d;font-weight:700;font-size:12px}.file-upload input{width:1px;height:1px;position:absolute;opacity:0}.file-upload small{color:var(--muted);font-size:10px;overflow-wrap:anywhere}.file-upload small.invalid{color:#bc3d36}.primary{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 17px;border:0;border-radius:8px;background:var(--brand);color:#fff;font-size:13px;font-weight:700}.send-button{white-space:nowrap}.alert{border-radius:8px;padding:12px 16px;margin:16px 34px;font-size:13px}.alert.danger{color:#a3262f;background:#fff1f1;border:1px solid #ffd6d9}.alert.success{color:#176d4b;background:#e9f8f0;border:1px solid #d1ecde}.alert.warning{color:#886025;background:#fff8e8;border:1px solid #f5e5bb}footer{height:54px;display:grid;place-items:center;color:#98a5b4;font-size:11px;background:var(--canvas);text-align:center;padding:8px}.nav-backdrop{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.login-wrap{min-height:calc(100dvh - 126px);display:grid;place-items:center;padding:30px 18px;background:radial-gradient(circle at 48% 0,#eaf3f8,transparent 53%),var(--canvas)}.login-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:38px 40px 36px;width:min(100%,456px);box-shadow:0 20px 64px #233e5810}.login-card .eyebrow{color:#9eb0bf}.mail-icon{margin-top:19px;width:53px;height:53px;border-radius:14px;display:grid;place-items:center;color:#fff;background:var(--brand);font-size:26px}.login-card h1{font-size:25px;letter-spacing:-.75px;margin:18px 0 5px;line-height:1.25}.login-card p{color:var(--muted);font-size:13px;margin:0 0 25px}.login-card label{display:block;margin:16px 0 6px;font-size:12px;font-weight:700;color:#455d72}.login-card input{width:100%;border:1px solid #dce5ed;border-radius:9px;padding:13px;outline-color:var(--brand);font-size:13px}.password-group{position:relative}.password-group input{padding-right:75px}.password-group button{position:absolute;right:7px;top:50%;transform:translateY(-50%);border:0;background:none;color:#5b859d;font-size:11px;padding:7px}.login-card .primary{width:100%;margin-top:22px;justify-content:space-between}.login-card small{display:block;margin-top:23px;color:#98a5b4;font-size:11px}
@media(max-width:1100px){.sidebar{width:220px;flex-basis:220px}.content-header{padding:24px 25px}.searchbar{margin-inline:25px}.list-toolbar{padding-inline:25px}.message-main{grid-template-columns:minmax(100px,1fr) minmax(130px,1.5fr) minmax(85px,.7fr);gap:9px;padding-right:18px}.compose-form{margin-inline:25px}.reading{padding:27px}}@media(max-width:800px){.topbar{padding-inline:18px}.mobile-nav-toggle{display:block}.shell{min-height:calc(100dvh - 126px)}.sidebar{position:fixed;z-index:25;left:0;top:72px;bottom:0;transform:translateX(-105%);transition:transform .22s ease;width:min(310px,88vw);box-shadow:10px 0 40px #1b405020;overflow-y:auto}.nav-open .sidebar{transform:translateX(0)}.nav-open .nav-backdrop{display:block;position:fixed;z-index:24;inset:72px 0 0;background:#14283b73}.inbox{width:100%}.content-header{min-height:105px}.message-main{grid-template-columns:minmax(130px,1fr) minmax(130px,1.7fr) minmax(80px,.7fr)}.flag-form{padding-left:14px}}@media(max-width:600px){.topbar{height:64px;padding:0 14px}.brand{font-size:17px}.brand-mark{height:32px;width:32px;font-size:18px}.topbar-left{gap:6px}.topbar-right{gap:6px}.stage{font-size:9px;letter-spacing:.25px;max-width:93px;text-align:right}.avatar{width:30px;height:30px}.sidebar{top:64px}.nav-open .nav-backdrop{inset:64px 0 0}.content-header{padding:20px 18px;min-height:96px;align-items:flex-start}.content-header h1{font-size:21px}.content-header p{font-size:11px}.content-header .eyebrow{font-size:9px}.refresh-button{padding:8px 10px;margin-top:16px}.refresh-button span{display:none}.searchbar{margin:15px 16px 13px}.list-toolbar{padding:12px 17px}.list-toolbar span{display:none}.message-row{min-height:79px}.flag-form{padding-left:7px}.message-main{position:relative;padding:11px 12px 11px 6px;display:flex;flex-direction:column;align-items:flex-start;gap:2px}.message-from{font-size:13px;font-weight:650;max-width:calc(100% - 100px)}.message-subject{font-size:12px;max-width:100%;color:#7d90a0}.message-date{position:absolute;right:12px;top:13px;max-width:95px;font-size:10px}.pagination{padding:20px 15px}.reading{padding:22px 18px}.reading h2{font-size:20px}.message-meta{flex-wrap:wrap}.message-meta time{margin-left:52px;margin-top:-10px}.message-body{font-size:13px}.compose-form{margin:14px 12px 30px;border-radius:10px}.input-line label{padding-left:12px;width:69px}.body-editor{min-height:250px;padding:18px 12px}.compose-bottom{padding:12px;flex-wrap:wrap}.send-button{width:100%}.alert{margin:12px}.login-wrap{padding:22px 13px}.login-card{padding:30px 23px}.login-card h1{font-size:23px}.login-card p{font-size:12px}footer{font-size:10px;padding-inline:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}
/* v0.5: accessible message actions, downloads, draft/save and responsive refinements */
.message-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.inline-action{display:inline-flex;margin:0}.danger-text{color:#a33a37;border-color:#efd6d4}.danger-text:hover{background:#fff4f3}
.incoming-attachments{border-top:1px solid var(--border);margin-top:24px;padding-top:18px}
.incoming-attachments h3{font-size:13px;margin:0 0 13px;font-weight:700}
.attachment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}
.attachment-item{display:flex;align-items:center;gap:12px;text-decoration:none;padding:11px 13px;border:1px solid var(--border);background:#fff;border-radius:10px;min-width:0}
.attachment-item:hover{border-color:#90bfd2;background:var(--highlight)}
.attachment-item>span:nth-child(2){display:flex;flex-direction:column;flex:1;min-width:0;overflow-wrap:anywhere;font-size:12px;font-weight:650}
.attachment-item small{font-size:10px;font-weight:400;color:var(--muted)}
.compose-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.compose-actions button{white-space:nowrap}
@media(max-width:800px){.reading{padding:22px}.message-actions{gap:7px}.message-actions .outline-button{font-size:12px;padding:8px 11px}}
@media(max-width:600px){.compose-actions{width:100%;justify-content:stretch}.compose-actions button{flex:1}.incoming-attachments{margin-top:15px}.attachment-grid{grid-template-columns:1fr}.message-actions{align-items:stretch}.message-actions .outline-button{flex:1;justify-content:center;display:inline-flex}.inline-action{flex:1}.inline-action button{width:100%}.reading{padding:16px}.message-body{max-width:100%;overflow-wrap:anywhere}}
/* Bulk selection and accessible controls */
.bulk-toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 28px;background:#f8fbfd;border-bottom:1px solid var(--border)}
.bulk-check,.row-select{display:inline-flex;gap:7px;align-items:center;font-size:12px;color:#687e90;white-space:nowrap}
.row-select{padding:0 2px 0 18px;align-self:center}
.bulk-check input,.row-select input{height:16px;width:16px;accent-color:var(--brand);cursor:pointer}
.bulk-actions{display:flex;flex-wrap:wrap;gap:7px}.bulk-actions .outline-button{padding:7px 10px;font-size:11px}
@media(max-width:800px){.bulk-toolbar{padding-inline:16px}}
@media(max-width:600px){.bulk-toolbar{align-items:stretch;flex-direction:column;padding:12px 16px}.bulk-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5px}.bulk-actions .outline-button{font-size:10px;padding:8px 4px;min-height:42px;white-space:normal}.row-select{padding-left:9px}}
/* Dark UI without introducing third-party dependencies. Only theme preference is stored locally. */
.theme-switch{width:32px;height:32px;border:1px solid var(--border);border-radius:9px;background:var(--paper);color:var(--ink);font-size:17px;display:inline-grid;place-items:center}
html[data-theme=dark]{--ink:#e4ecf5;--muted:#9cafc3;--border:#33445a;--canvas:#111c2a;--paper:#182638;--highlight:#203a4c;--brand:#0a83b1;color-scheme:dark}
html[data-theme=dark] body,html[data-theme=dark] .inbox{background:var(--canvas);color:var(--ink)}
html[data-theme=dark] .topbar,html[data-theme=dark] .sidebar,html[data-theme=dark] .reading,html[data-theme=dark] .compose-form,html[data-theme=dark] .login-card,html[data-theme=dark] .message-row,html[data-theme=dark] .attachment-item,html[data-theme=dark] .theme-switch{background:var(--paper);color:var(--ink)}
html[data-theme=dark] .searchbar,html[data-theme=dark] .bulk-toolbar,html[data-theme=dark] .input-line,html[data-theme=dark] input,html[data-theme=dark] textarea{background:#1e3045;color:var(--ink);border-color:var(--border)}
html[data-theme=dark] .account strong,html[data-theme=dark] .message-from,html[data-theme=dark] .message-subject,html[data-theme=dark] .content-header h1,html[data-theme=dark] .reading h2{color:var(--ink)}
html[data-theme=dark] .folder-link.selected,html[data-theme=dark] .message-row.unread,html[data-theme=dark] .attachment-item:hover{background:#234057;color:#e4f4ff}
html[data-theme=dark] .outline-button,html[data-theme=dark] .refresh-button{background:#263b51;color:#d0e6f4;border-color:var(--border)}
html[data-theme=dark] .brand b,html[data-theme=dark] footer{color:#a4b7cd}
/* Contactos e assinatura, tipografia e grelhas fluidas */
.tools-content{padding:24px 34px;max-width:1100px}.tools-form{background:var(--paper);border:1px solid var(--border);border-radius:13px;padding:22px;display:flex;flex-direction:column;gap:16px}.tools-form h2,.contacts-list h2{font-size:16px;margin:0;font-weight:750}.tools-fields{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.tools-fields label{font-weight:650;font-size:12px;flex:1 1 180px;display:grid;gap:7px}.tools-fields input,.signature-editor{border:1px solid var(--border);border-radius:9px;padding:12px 13px;background:var(--paper);width:100%;min-width:0;color:var(--ink)}.tools-fields button{min-height:45px}.signature-editor{resize:vertical;line-height:1.6}.tools-hint,.tools-empty{font-size:12px;color:var(--muted)}.contacts-list{margin-top:26px}.contacts-list h2{margin-bottom:13px}.contact-row{display:flex;gap:11px;align-items:center;background:var(--paper);border-bottom:1px solid var(--border);padding:13px 16px}.contact-row:first-of-type{border-radius:12px 12px 0 0}.contact-row:last-child{border-radius:0 0 12px 12px}.contact-avatar{border-radius:50%;background:var(--highlight);color:var(--brand);width:36px;height:36px;display:grid;place-items:center;flex-shrink:0;font-weight:750}.contact-identity{display:flex;flex-direction:column;flex:1;min-width:0;overflow-wrap:anywhere}.contact-identity strong{font-size:13px}.contact-identity small{font-size:12px;color:var(--muted)}.contact-row form{margin:0}.contact-row .outline-button{font-size:11px;white-space:nowrap}
html[data-theme=dark] .tools-form,html[data-theme=dark] .contact-row{background:var(--paper)}
@media(max-width:800px){.tools-content{padding:20px 24px}}
@media(max-width:600px){.tools-content{padding:15px}.tools-form{padding:15px}.tools-fields{flex-direction:column;align-items:stretch}.tools-fields label,.tools-fields button{width:100%;flex:auto}.contact-row{flex-wrap:wrap}.contact-identity{flex:1 1 calc(100% - 55px)}.contact-row a,.contact-row form{flex:1}.contact-row a,.contact-row button{width:100%;text-align:center;justify-content:center}}
/* v0.6 Administração: mesmo sistema visual, cartões fluidos e tabelas com scroll horizontal. */
.admin-shell{width:min(1440px,calc(100% - 48px));margin:36px auto 80px;min-height:65vh}.admin-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:22px}.admin-heading h1{font-size:clamp(25px,2.4vw,34px);margin:7px 0}.admin-heading p,.admin-card p{color:var(--muted,#667085)}.admin-tabs{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid #e1e8f1;padding-bottom:12px;margin-bottom:24px}.admin-tabs a{padding:12px 16px;border-radius:11px;color:inherit;text-decoration:none;font-weight:600}.admin-tabs a.active{background:#e8f3fc;color:#0870af}.admin-card{border:1px solid #dfe7f0;background:var(--paper,#fff);border-radius:18px;padding:25px;margin-bottom:20px}.admin-card h2{font-size:20px;margin:0 0 8px}.admin-table-wrap{width:100%;overflow-x:auto;overscroll-behavior-x:contain}.admin-table{border-collapse:collapse;min-width:680px;width:100%;text-align:left}.admin-table th,.admin-table td{padding:14px 12px;border-bottom:1px solid #e3e8f0;vertical-align:middle;font-size:14px}.admin-table th{color:#657589;font-weight:650;white-space:nowrap}.admin-table form{margin:0}.admin-inline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:16px 0}.admin-inline input,.admin-inline select,.admin-form input{padding:12px;border-radius:9px;border:1px solid #cbd5e1;background:var(--paper,#fff);color:inherit;max-width:100%}.admin-forms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.admin-form{display:flex;flex-direction:column;align-items:stretch;gap:12px;background:var(--surface-soft,#f8fafc);padding:20px;border:1px solid #e3e8f0;border-radius:14px}.admin-form h3{margin:0 0 3px}.admin-form label{font-weight:600;font-size:13px}.admin-form button{margin-top:8px}.admin-form button:disabled{opacity:.5;cursor:not-allowed}.admin-card .alert{margin:16px 0}
@media(max-width:950px){.admin-shell{width:calc(100% - 30px);margin-top:22px}.admin-forms{grid-template-columns:1fr}.admin-heading{flex-wrap:wrap}}@media(max-width:600px){.admin-shell{width:calc(100% - 22px);margin:18px auto 52px}.admin-card{padding:16px;border-radius:13px}.admin-tabs a{padding:10px}.admin-table{min-width:640px}.admin-inline{align-items:stretch;flex-direction:column}.admin-inline input,.admin-inline select,.admin-inline button{width:100%}}

.cache-indicator{margin:8px 20px;color:#356a93;font-size:12px;font-weight:550}

/* v0.6.1: ações perigosas só mediante confirmação explícita */
.admin-danger-notice{padding:13px 15px;background:#fff5f3;border:1px solid #f1c9c2;border-radius:10px;color:#84382e;font-size:13px;line-height:1.6}
.admin-danger-notice strong{display:block}.admin-danger-notice p{margin:7px 0 0!important}.admin-danger-notice a{font-weight:700;text-decoration:underline;color:#91352a}
.admin-acknowledge{display:flex;align-items:flex-start;gap:10px;font-size:12px!important;line-height:1.45;font-weight:500!important;color:var(--ink)}
.admin-acknowledge input{width:18px;min-width:18px;height:18px;margin:2px 0 0;accent-color:#a43d36}
html[data-theme=dark] .admin-danger-notice{background:#3a252c;color:#ffd6cf;border-color:#754251}
html[data-theme=dark] .admin-danger-notice a{color:#ffbbb1}
html[data-theme=dark] .admin-card{background:var(--paper);border-color:var(--border)}
html[data-theme=dark] .admin-form{background:#1e3045;border-color:var(--border)}
html[data-theme=dark] .admin-form input,html[data-theme=dark] .admin-inline input,html[data-theme=dark] .admin-inline select{background:var(--paper);color:var(--ink);border-color:var(--border)}
@media(max-width:600px){.admin-danger-notice{padding:12px}.admin-acknowledge{align-items:flex-start}}

/* v0.7 notificações e sincronização, layout fluido sem ocupar espaço adicional. */
.notify-toggle{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--paper);color:var(--ink);border-radius:9px;padding:7px 10px;font-size:12px;line-height:1.4;white-space:nowrap}
.notify-toggle[aria-pressed=true]{color:var(--brand);border-color:var(--brand);background:var(--highlight)}
.mail-notification:not([hidden]){position:fixed;z-index:90;right:20px;top:85px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:var(--paper);box-shadow:0 12px 32px #213e5a35;border:1px solid var(--border);border-left:4px solid var(--brand);padding:13px 14px;border-radius:11px;max-width:min(410px,calc(100vw - 30px))}
.mail-notification strong{font-size:13px}.mail-notification a{color:var(--brand);font-size:12px}.mail-notification button{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:19px;line-height:1}
.settings-section{margin-top:24px;border-top:1px solid var(--border);padding-top:20px;max-width:850px}.settings-section h2{font-size:17px;margin:0 0 7px}.settings-section p{color:var(--muted);font-size:13px;line-height:1.65}.settings-section form{max-width:700px}.sync-opt-in{display:grid;gap:14px}.sync-opt-in label{display:flex;gap:11px;align-items:flex-start;font-size:13px}.sync-opt-in input{accent-color:var(--brand);min-width:17px;height:17px}
@media(max-width:720px){.topbar-right{gap:8px}.topbar{padding-inline:14px}.topbar .notify-label{display:none}.notify-toggle{min-height:36px;min-width:36px;justify-content:center;padding:6px}.mail-notification:not([hidden]){left:15px;right:15px;top:75px}.stage{display:none}}
html[data-theme=dark] .notify-toggle,html[data-theme=dark] .mail-notification:not([hidden]){background:var(--paper);color:var(--ink)}

@media(max-width:430px){.brand{font-size:16px;gap:7px}.brand b{display:none}.topbar-left,.topbar-right{gap:7px}.brand-mark{width:32px;height:32px;font-size:18px}.avatar{width:31px;height:31px}.notify-toggle{min-height:32px;min-width:32px}}

.support-banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:12px 20px;background:#fff0d8;color:#684600;border-bottom:1px solid #e8c689}.support-banner form{margin:0}.support-banner span{font-size:13px}.mfa-qr{display:block;max-width:100%;margin:16px auto;background:white;border-radius:8px}.recovery-codes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0;list-style:none}.recovery-codes code{font-size:13px;overflow-wrap:anywhere}.operation-status{font-size:13px;color:#526374}.search-options{display:flex;gap:8px;flex-wrap:wrap;align-items:end;padding:10px 0}.search-options label{display:flex;flex-direction:column;gap:4px;font-size:12px}.search-options input,.search-options select{width:auto;min-width:130px;border:1px solid #d8e1e8;border-radius:6px;padding:8px;background:var(--paper,#fff);color:inherit}.searchbar{flex-wrap:wrap}.searchbar details{width:100%}.searchbar summary{cursor:pointer;font-size:13px;padding:6px}.support-banner ~ .shell [aria-disabled="true"]{opacity:.5;cursor:default}@media(max-width:480px){.support-banner{padding:12px}.recovery-codes{grid-template-columns:1fr}.search-options>*{flex:1}.search-options input,.search-options select{width:100%;min-width:0}}
.fast-reader{background:var(--paper,#fff);border-top:1px solid #cbd5e1;padding:20px;overflow:auto}.fast-reader[hidden]{display:none}.message-row.active-message{background:#e8efff}.html-message{width:100%;height:65vh;border:0;background:white}.attachment-item{gap:12px}.reader-open .message-list{max-height:30vh;overflow:auto}.reader-open .fast-reader{min-height:45vh}.reader-open .reading{padding:0}.folder-tools{padding:18px;display:flex;gap:10px;flex-wrap:wrap}.autosave-status{padding:8px 16px;font-size:13px}
@media(min-width:1100px){.reader-open .mail-split{display:grid;grid-template-columns:minmax(260px,38%) minmax(0,62%);align-items:start}.reader-open .message-list{max-height:65vh}.reader-open .fast-reader{max-height:75vh;border-top:0;border-left:1px solid #cbd5e1}.reader-open .message-main{grid-template-columns:1fr}.reader-open .message-from,.reader-open .message-subject{max-width:100%}}

.external-warning{border:1px solid #e9bc55;border-left:4px solid #d99315;background:#fff8e6;color:#71470c;padding:14px 18px;margin-bottom:18px;border-radius:8px}.external-warning p{margin:6px 0 0;font-size:14px;line-height:1.5}

html[data-theme=dark] .message-row.active-message{background:#234057;color:#e4f4ff}
/* 0.13: compact mailbox, quiet navigation and a simple authentication flow. */
:root{--canvas:#f3f6fa;--border:#e4e9f0;--ink:#263445;--muted:#68798b;--radius:16px}select{font:inherit;background:var(--paper);color:var(--ink)}.brand-symbol{display:block;flex-shrink:0}.brand-name b{font-size:14px;letter-spacing:0}.topbar{height:68px;background:var(--canvas);border-bottom:0;padding-inline:22px}.brand{font-size:21px;gap:10px}.stage{letter-spacing:.3px;color:var(--muted)}.mail-app .shell{min-height:calc(100dvh - 122px);padding:0 16px 0 0}.mail-app .sidebar{width:238px;flex-basis:238px;background:var(--canvas);border:0;padding:20px 12px}.mail-app .inbox{border:1px solid var(--border);border-radius:18px;overflow:hidden}.mail-app .account{padding:0 12px 20px}.compose-button{justify-content:flex-start;gap:12px;box-shadow:none;background:#d9edf5;color:#075b7b;padding:16px 20px;border-radius:16px;margin:0 10px 22px;font-size:14px}.compose-button:hover{background:#cae5f0}.folder-link{border-radius:0 24px 24px 0;padding:10px 16px;font-size:13px}.folder-link.selected{background:#dcebf5;color:#183b56}.folder-count{margin-left:auto;font-size:11px;font-weight:650}.mail-app .content-header{min-height:80px;padding:20px 26px 16px}.content-header h1{font-size:21px;letter-spacing:-.5px}.mail-app .searchbar{margin:14px 24px;background:#edf3f9;border:0;border-radius:24px;padding:5px 10px 5px 18px;min-height:46px}.searchbar input{font-size:14px}.searchbar button{background:transparent;color:var(--brand);border-radius:20px}.list-toolbar{background:var(--paper);padding:9px 24px;min-height:40px;font-size:12px;gap:14px}.bulk-toolbar{background:var(--paper);padding:9px 20px;gap:14px}.bulk-actions .outline-button{padding:7px 10px;border-color:transparent;background:#f3f6fa}.message-row{min-height:49px;border-bottom:1px solid var(--border);background:#f5f8fc}.message-row.unread{background:var(--paper)}.message-row:hover{background:#eaf2f9;box-shadow:inset 0 1px #d4deea,inset 0 -1px #d4deea}.message-row.active-message{background:#dcebf5;box-shadow:inset 3px 0 var(--brand)}.flag-form{padding-left:4px}.star-button{font-size:20px;padding:7px}.message-main{grid-template-columns:minmax(115px,1fr) minmax(200px,2.5fr) 110px;padding:11px 20px 11px 10px;gap:14px}.message-date{font-size:11px;color:#68798b}.message-subject{color:#607184}.unread .message-subject,.unread .message-from{color:#263445;font-weight:650}.pagination{padding:16px 24px}.cache-indicator{padding:0 24px;margin:8px 0;font-size:10px;color:var(--muted)}.fast-reader{padding:18px 24px}.reading h2{font-size:22px;margin:12px 0 20px}.message-actions{margin:16px 0;gap:8px}.message-actions .outline-button{border-radius:18px;padding:8px 14px}.message-body{font-size:14px;line-height:1.75;margin-top:22px}.reading .alert{margin:12px 0}.reader-open .mail-split{grid-template-columns:minmax(300px,38%) minmax(0,62%)}.reader-open .message-main{gap:3px}.reader-open .message-date{position:static;text-align:left;max-width:none}.reader-open .message-from{font-weight:650}.reader-open .message-subject{white-space:normal;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.login-logo{display:block;width:210px;height:auto;margin-bottom:24px}.auth-page .topbar{display:none}.auth-page .login-wrap{min-height:calc(100dvh - 54px);background:var(--canvas)}.login-card{width:min(100%,430px);border-radius:20px;padding:34px 36px;box-shadow:0 8px 30px #26344508}.login-card h1{font-size:25px;margin:0 0 7px;letter-spacing:-.7px}.login-card p{font-size:14px;margin-bottom:26px}.login-card label{font-size:13px;margin:18px 0 7px}.login-card input{font-size:15px;padding:13px 14px;border-radius:10px;background:var(--paper);color:var(--ink)}.login-card .primary{justify-content:center;margin-top:24px;min-height:46px;border-radius:10px;font-size:14px}.login-card small{line-height:1.6;color:var(--muted);font-size:12px}.admin-heading h1{font-size:26px}.admin-tabs{gap:4px;border:0;background:#eaf0f6;padding:5px;border-radius:14px}.admin-tabs a{font-size:13px;padding:10px 14px;border-radius:10px}.admin-tabs a.active{background:var(--paper);box-shadow:0 2px 6px #2634450a}.admin-card{border-radius:16px;box-shadow:none;padding:24px}.admin-card h2{font-size:19px}.admin-demo-shortcut{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 20px;background:#e0eff6;border:1px solid #cde1ec;border-radius:14px;text-decoration:none;margin-bottom:22px;color:#24556d;font-size:13px}.demo-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 24px;background:#e4eff7;color:#31566c;margin:0 16px 12px;border-radius:12px}.demo-banner>div{display:flex;align-items:center;gap:14px}.demo-banner span{font-size:12px}.demo-banner form{margin:0}.demo-badge{font-size:11px;letter-spacing:1px;color:var(--brand);font-weight:700}.demo-launch h2{font-size:28px;margin:10px 0}.demo-launch p{max-width:700px}.demo-launch .primary{display:inline-flex;margin-top:24px;padding:13px 22px}.demo-launch small{display:block;margin-top:14px;color:var(--muted)}.demo-features{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.demo-features span{background:#edf3f9;padding:7px 12px;border-radius:20px;font-size:12px}.auth-mode-tabs{display:flex;gap:6px;margin:24px 0 16px;background:#edf2f7;border-radius:10px;padding:4px}.auth-mode-tabs button{flex:1;border:0;background:transparent;border-radius:7px;padding:9px;font-size:12px;color:var(--muted)}.auth-mode-tabs button.selected{background:var(--paper);color:var(--ink);box-shadow:0 2px 4px #2634450a}.login-card [data-auth-setup]>summary{font-size:13px;font-weight:650;color:var(--brand)}.login-card [data-auth-setup]>p{font-size:12px;margin:10px 0}.setup-help{margin-top:14px;font-size:12px}.setup-help code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;background:#f3f6fa;padding:12px;border-radius:8px;margin:10px 0}.login-card [hidden]{display:none!important}
html[data-theme=dark] .topbar,html[data-theme=dark] .mail-app .sidebar{background:var(--canvas)}html[data-theme=dark] .mail-app .inbox{background:var(--paper)}html[data-theme=dark] .message-row{background:#1a2b3b}html[data-theme=dark] .message-row.unread{background:var(--paper)}html[data-theme=dark] .message-row.active-message{background:#234057}html[data-theme=dark] .message-row .message-from,html[data-theme=dark] .message-row .message-subject{color:var(--ink)}html[data-theme=dark] .searchbar,html[data-theme=dark] .admin-tabs,html[data-theme=dark] .auth-mode-tabs{background:#1a2b3b}html[data-theme=dark] .demo-banner,html[data-theme=dark] .admin-demo-shortcut{background:#20384b;color:#dcebf5;border-color:#355268}
@media(max-width:800px){.mail-app .shell{padding:0 10px}.mail-app .sidebar{position:fixed;top:68px;bottom:0;width:270px;background:var(--paper);z-index:25;padding:20px 12px;overflow:auto}.mail-app .inbox{border-radius:14px}.mail-app .searchbar{margin:12px 14px}.demo-banner{margin-inline:10px;padding:10px 14px}.demo-banner>div{display:block}.demo-banner span{display:block;margin-top:3px}.reader-open .mail-split{display:block}.reader-open .message-list{max-height:28vh}.reader-open .fast-reader{border-left:0;border-top:1px solid var(--border);min-height:52vh}.mail-app .content-header{padding:18px}.message-main{grid-template-columns:minmax(90px,1fr) minmax(130px,2fr) 90px}.admin-demo-shortcut{font-size:12px}}
@media(max-width:600px){.topbar{height:60px;padding:0 14px}.brand{font-size:18px}.brand-name b{display:none}.brand-symbol{width:32px;height:32px}.mail-app .sidebar{top:60px}.nav-open .nav-backdrop{inset:60px 0 0}.mail-app .message-row{min-height:70px}.message-main{display:flex;padding:11px 12px 11px 7px;gap:4px}.message-main .message-from{font-size:13px;max-width:calc(100% - 110px)}.message-subject{font-size:13px}.message-date{position:absolute;right:12px;top:13px;font-size:10px;max-width:106px}.reader-open .message-date{position:absolute;text-align:right}.list-toolbar{padding:10px 14px;font-size:11px}.bulk-toolbar{padding:8px 10px}.bulk-actions{gap:4px}.bulk-actions .outline-button{font-size:11px;padding:7px}.fast-reader{padding:16px}.login-card{padding:30px 24px;border-radius:18px}.login-logo{width:190px;margin-bottom:25px}.auth-page .login-wrap{padding:24px 16px}.demo-banner{align-items:flex-start;gap:8px}.demo-banner .outline-button{font-size:11px;padding:7px;white-space:nowrap}.demo-banner span{max-width:200px;font-size:11px}.admin-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin}.admin-tabs a{white-space:nowrap;font-size:12px;padding:9px 12px}.admin-heading h1{font-size:23px}.admin-card{padding:18px}.demo-launch h2{font-size:23px}.message-actions .outline-button{font-size:12px}.mail-app .topbar .outline-button{padding:7px 9px;font-size:11px}}

.reader-navigation{display:flex;justify-content:flex-end;gap:8px;margin:10px 0}.reader-navigation button{background:var(--paper)}.reader-navigation button:disabled{cursor:default;opacity:.4}.fast-reader{scroll-margin-top:12px}