:root{
  --bg:#f4f7fb;--panel:#fff;--panel2:#f8fafc;--ink:#101828;--muted:#667085;--line:#e4e7ec;
  --navy:#0f172a;--blue:#2563eb;--blue2:#eff6ff;--green:#067647;--red:#b42318;--amber:#b54708;
  --shadow:0 12px 34px rgba(15,23,42,.08);--r:18px;--r2:12px;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}
body.auth-page{background:radial-gradient(circle at 20% 20%,#dbeafe 0,transparent 30%),radial-gradient(circle at 85% 75%,#e0e7ff 0,transparent 28%),#f8fafc;display:grid;place-items:center;padding:28px}
.auth-shell{width:min(480px,100%)}.auth-card{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:34px;box-shadow:0 30px 80px rgba(15,23,42,.12)}
.brand{display:flex;gap:11px;align-items:center;min-width:max-content}.brand-icon{width:39px;height:39px;border-radius:11px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:20px;border:1px solid rgba(15,23,42,.1);box-shadow:0 4px 12px rgba(15,23,42,.08)}.brand strong{display:block;font-size:15px}.brand span{display:block;font-size:11px;color:#98a2b3;margin-top:2px}.brand-auth{margin-bottom:36px}.brand-auth .brand-icon{background:var(--navy);color:#fff}.brand-auth strong{font-size:18px}.brand-auth span{font-size:12px}
.eyebrow{font-size:10px;letter-spacing:.12em;font-weight:800;color:#667085}.auth-copy h1{font-size:29px;letter-spacing:-.03em;margin:7px 0 10px}.auth-copy p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 24px}.auth-form{display:grid;gap:15px}.auth-form label,.form-grid label{display:grid;gap:7px;font-size:12px;font-weight:700;color:#344054}.auth-form input,.form-grid input,.form-grid select,.inline-add input{width:100%;border:1px solid #d0d5dd;border-radius:10px;padding:11px 12px;outline:none;background:#fff;color:var(--ink)}input:focus,select:focus{border-color:#84adff;box-shadow:0 0 0 3px #eff4ff}.auth-foot{text-align:center;color:#98a2b3;font-size:11px;margin-top:20px}.alert{padding:11px 13px;border-radius:10px;margin-bottom:16px;font-size:13px}.alert.danger{background:#fef3f2;color:var(--red);border:1px solid #fecdca}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:800;font-size:12px;transition:.18s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.2)}.btn.secondary{background:#eef2f6;color:#344054}.btn.dark{background:var(--navy);color:#fff}.btn.small{padding:8px 11px;font-size:11px}.btn.wide{width:100%;padding:12px 14px}.inline-form{display:inline}
.app-shell{height:100vh;display:grid;grid-template-rows:66px 1fr;overflow:hidden}.topbar{height:66px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(255,255,255,.08)}.topbar .brand-icon{background:#fff}.topbar .brand strong{color:#fff}.top-actions{display:flex;align-items:center;gap:8px}.stat-pill{font-size:11px;color:#cbd5e1;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 10px;background:rgba(255,255,255,.04)}.stat-pill span{font-weight:800;color:#fff}.icon-btn{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:#e2e8f0;border-radius:9px;padding:7px 10px;font-size:11px;font-weight:700}.icon-btn:hover{background:rgba(255,255,255,.1)}
.workspace{display:grid;grid-template-columns:320px 390px minmax(420px,1fr);min-height:0}.mailbox-pane,.message-pane,.reader-pane{min-height:0;background:var(--panel);border-right:1px solid var(--line)}.mailbox-pane{display:grid;grid-template-rows:auto auto 1fr auto;padding:16px 12px 9px}.pane-head{display:flex;align-items:center;justify-content:space-between;padding:1px 4px 13px}.pane-head h2{font-size:17px;margin:3px 0 0;letter-spacing:-.02em}.searchbox{height:40px;display:flex;align-items:center;gap:8px;border:1px solid #d0d5dd;border-radius:10px;padding:0 11px;margin-bottom:11px;background:#fff}.searchbox span{color:#667085}.searchbox input{border:0;outline:0;width:100%;font-size:12px;background:transparent}.mailbox-list{overflow:auto;padding-right:3px}.mailbox-card{position:relative;border:1px solid transparent;border-radius:12px;padding:11px 10px;margin-bottom:5px;cursor:pointer;transition:.15s;background:#fff}.mailbox-card:hover{background:#f8fafc}.mailbox-card.active{background:#eef4ff;border-color:#b2ccff}.mailbox-title{display:flex;align-items:center;gap:6px;min-width:0}.mailbox-title strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mailbox-sub{font-size:10px;color:#98a2b3;margin-top:5px;display:flex;gap:8px;align-items:center}.mailbox-actions{display:flex;align-items:center;gap:4px;margin-top:8px}.mini-btn{border:0;background:#f2f4f7;color:#475467;border-radius:7px;padding:5px 7px;font-size:10px;font-weight:700}.mini-btn:hover{background:#e4e7ec}.mailbox-card.active .mini-btn{background:#dbe8ff}.badge{font-size:9px;border-radius:99px;padding:3px 6px;background:#eef2f6;color:#475467;font-weight:800}.badge.unread{background:#dbeafe;color:#1d4ed8}.star{color:#f59e0b}.sidebar-foot{border-top:1px solid var(--line);padding:9px 4px 0;color:#98a2b3;font-size:10px;display:flex;gap:6px}
.message-pane{display:grid;grid-template-rows:auto auto auto 1fr;background:#f8fafc}.selected-mailbox{background:#fff;padding:14px 15px;border-bottom:1px solid var(--line);min-height:86px}.selected-title{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.selected-title h2{font-size:15px;margin:0 0 4px;max-width:270px;overflow:hidden;text-overflow:ellipsis}.selected-title p{font-size:10px;color:#98a2b3;margin:0}.selected-actions{display:flex;gap:5px}.light-btn{border:1px solid #e4e7ec;background:#fff;border-radius:8px;padding:6px 8px;font-size:10px;font-weight:800;color:#475467}.light-btn:hover{background:#f8fafc}.address-chips{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}.address-chip{border:1px solid #e4e7ec;background:#f9fafb;border-radius:999px;padding:5px 8px;font-size:9px;color:#475467;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.address-chip.primary{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.empty-head strong{display:block;font-size:14px}.empty-head span{font-size:11px;color:#98a2b3}.inline-warning{margin:9px 12px 0;padding:9px 10px;border:1px solid #fedf89;background:#fffaeb;color:#b54708;border-radius:9px;font-size:10px;line-height:1.45}.hidden{display:none!important}.message-list-head{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 13px;color:#667085;font-size:9px;font-weight:800;letter-spacing:.06em;border-bottom:1px solid var(--line)}.message-list{overflow:auto;background:#fff}.message-row{display:grid;grid-template-columns:8px 1fr auto;gap:9px;padding:11px 12px;border-bottom:1px solid #f0f2f5;cursor:pointer}.message-row:hover{background:#f8fafc}.message-row.active{background:#eff6ff}.unread-dot{width:7px;height:7px;border-radius:99px;background:transparent;margin-top:5px}.message-row.unread .unread-dot{background:#2563eb}.message-main{min-width:0}.message-sender{font-size:11px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-subject{font-size:11px;margin-top:3px;color:#475467;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-row.unread .message-subject{color:#101828;font-weight:700}.message-time{font-size:9px;color:#98a2b3;white-space:nowrap}.cache-mark{font-size:8px;color:#667085;background:#f2f4f7;border-radius:5px;padding:2px 4px;margin-top:5px;display:inline-block}
.reader-pane{background:#fff;overflow:auto;border-right:0}.reader-empty{height:100%;min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;max-width:620px;margin:auto}.reader-hero{width:72px;height:72px;border-radius:22px;background:#f2f4f7;display:grid;place-items:center;font-size:32px;color:#667085}.reader-empty h2{font-size:20px;margin:18px 0 8px}.reader-empty p{font-size:12px;line-height:1.6;color:#667085;max-width:520px}.reader-note{font-size:10px;color:#98a2b3;margin-top:10px}.reader-content{min-height:100%;display:grid;grid-template-rows:auto auto 1fr}.reader-header{padding:20px 22px 15px;border-bottom:1px solid var(--line)}.reader-header h1{font-size:20px;letter-spacing:-.025em;margin:0 0 14px;line-height:1.3}.reader-meta{display:grid;grid-template-columns:65px 1fr;gap:6px 10px;font-size:11px}.reader-meta dt{color:#98a2b3}.reader-meta dd{margin:0;color:#344054;min-width:0;overflow-wrap:anywhere}.reader-tools{padding:9px 22px;border-bottom:1px solid var(--line);display:flex;gap:7px;align-items:center}.reader-frame-wrap{padding:18px 22px 28px;min-height:500px}.mail-frame{width:100%;min-height:650px;border:1px solid var(--line);border-radius:12px;background:#fff}.text-fallback{white-space:pre-wrap;font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:16px}.attachment-bar{display:flex;gap:7px;flex-wrap:wrap;padding:11px 22px;background:#f8fafc;border-bottom:1px solid var(--line)}.attachment{font-size:10px;background:#fff;border:1px solid #e4e7ec;border-radius:8px;padding:6px 8px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#98a2b3;padding:30px}.empty-state.compact{min-height:230px}.empty-state strong{color:#475467;font-size:12px;margin:7px 0 3px}.empty-state span{font-size:10px}.empty-icon{font-size:25px;color:#cbd5e1}.skeleton-stack{display:grid;gap:8px;padding:2px}.skeleton-stack i{height:67px;border-radius:11px;background:linear-gradient(90deg,#f2f4f7,#f8fafc,#f2f4f7);background-size:200% 100%;animation:sh 1.2s infinite}@keyframes sh{to{background-position:-200% 0}}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.48);backdrop-filter:blur(5px);z-index:50;display:grid;place-items:center;padding:20px}.modal{width:min(560px,100%);max-height:min(82vh,820px);overflow:auto;background:#fff;border-radius:18px;box-shadow:0 30px 90px rgba(2,6,23,.28);padding:20px}.modal.large{width:min(650px,100%)}.modal.xl{width:min(900px,100%)}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:15px}.modal-head h3{font-size:18px;margin:3px 0 0}.close-btn{border:0;background:#f2f4f7;border-radius:9px;width:32px;height:32px;font-size:20px;color:#475467}.tabs{display:flex;gap:6px;background:#f2f4f7;border-radius:10px;padding:4px;margin-bottom:16px}.tab{flex:1;border:0;border-radius:8px;padding:9px;background:transparent;color:#667085;font-size:11px;font-weight:800}.tab.active{background:#fff;color:#101828;box-shadow:0 1px 4px rgba(15,23,42,.08)}.tab-panel{display:none}.tab-panel.active{display:block}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.span-2{grid-column:span 2}.form-hint{font-size:10px;line-height:1.55;color:#667085;background:#f8fafc;border:1px solid #eaecf0;border-radius:9px;padding:10px}.generated-result{margin-top:14px;border:1px solid #d1e9ff;background:#f5fbff;border-radius:10px;padding:10px;max-height:180px;overflow:auto}.generated-line{display:flex;justify-content:space-between;gap:8px;padding:6px 3px;border-bottom:1px solid #e0f2fe;font-size:10px}.generated-line:last-child{border-bottom:0}.domain-toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:10px}.inline-add{display:flex;gap:7px;min-width:min(420px,60%)}.domain-info{font-size:10px;line-height:1.5;color:#667085;background:#f8fafc;border:1px solid var(--line);border-radius:9px;padding:9px 10px;margin-bottom:12px}.domain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;max-height:460px;overflow:auto}.domain-card{border:1px solid var(--line);border-radius:9px;padding:9px;background:#fff}.domain-card strong{font-size:10px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.domain-card span{font-size:8px;color:#98a2b3;text-transform:uppercase}.diagnostics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:15px}.diag-item{border:1px solid var(--line);border-radius:10px;padding:10px}.diag-item b{display:block;font-size:10px;margin-bottom:4px}.diag-item span{font-size:11px;color:#667085}.diag-ok{color:#067647!important}.diag-bad{color:#b42318!important}.toast-container{position:fixed;right:16px;bottom:16px;z-index:100;display:grid;gap:8px;max-width:min(390px,calc(100vw - 32px))}.toast{background:#101828;color:#fff;border-radius:11px;padding:11px 13px;box-shadow:0 14px 30px rgba(15,23,42,.2);font-size:11px;line-height:1.45;animation:toastin .2s ease}.toast.error{background:#7a271a}.toast.success{background:#054f31}@keyframes toastin{from{transform:translateY(8px);opacity:0}}
@media(max-width:1150px){.workspace{grid-template-columns:280px 340px minmax(380px,1fr)}}
@media(max-width:900px){.app-shell{height:auto;min-height:100vh;overflow:visible}.topbar{position:sticky;top:0;z-index:20}.top-actions .stat-pill,.icon-btn span{display:none}.workspace{grid-template-columns:300px 1fr;grid-template-rows:minmax(540px,calc(100vh - 66px)) auto}.reader-pane{grid-column:1/-1;min-height:600px;border-top:1px solid var(--line)}.message-pane{border-right:0}}
@media(max-width:650px){body.app-page{overflow:auto}.topbar{padding:0 10px}.topbar .brand span{display:none}.workspace{display:block}.mailbox-pane,.message-pane,.reader-pane{height:auto;min-height:480px;border-right:0;border-bottom:1px solid var(--line)}.mailbox-pane{max-height:620px}.mailbox-list{max-height:470px}.message-list{max-height:500px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.domain-grid{grid-template-columns:1fr 1fr}.domain-toolbar{align-items:stretch;flex-direction:column}.inline-add{min-width:0;width:100%}.diagnostics{grid-template-columns:1fr}.modal-backdrop{padding:9px}.modal{border-radius:14px;padding:15px}.reader-header,.reader-tools,.reader-frame-wrap{padding-left:14px;padding-right:14px}}