:root{--bg:#f6f7fb;--panel:#ffffff;--text:#172033;--muted:#667085;--border:#e4e7ec;--primary:#2457ff;--danger:#c7352b;--ok:#0f8a44;--warn:#b7791f;--shadow:0 18px 55px rgba(15,23,42,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;line-height:1.55}.page{max-width:1050px;margin:0 auto;padding:22px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.brand{font-weight:800;color:var(--text);font-size:20px;text-decoration:none}.topbar nav a{color:var(--muted);text-decoration:none;margin-left:14px;font-weight:600}.content{min-height:70vh}.footer{margin-top:34px;color:var(--muted);font-size:13px;text-align:center}.card{background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:26px;box-shadow:var(--shadow);margin-bottom:20px}.grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.center{max-width:520px;margin:48px auto}.title{font-size:30px;line-height:1.15;margin:0 0 10px}.subtitle{color:var(--muted);margin:0 0 22px}.form-row{display:flex;gap:12px;align-items:center}.input{width:100%;border:1px solid var(--border);border-radius:14px;padding:13px 14px;font-size:16px;background:#fff}.input:focus{outline:2px solid rgba(36,87,255,.18);border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:14px;background:var(--primary);color:#fff;padding:12px 16px;font-weight:800;text-decoration:none;cursor:pointer;min-height:46px}.btn:hover{filter:brightness(.96)}.btn.secondary{background:#eef2ff;color:#1d3fd0}.btn.danger{background:var(--danger)}.btn.light{background:#f2f4f7;color:#344054}.small{font-size:13px;color:var(--muted)}.mailbox-result{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px dashed #aab7ff;background:#f6f8ff;border-radius:16px;padding:14px;margin-top:16px}.email-text{font-size:18px;font-weight:800;word-break:break-all}.alert{padding:12px 14px;border-radius:14px;margin-bottom:14px;border:1px solid}.alert-success{background:#ecfdf3;border-color:#abefc6;color:#067647}.alert-error{background:#fef3f2;border-color:#fecdca;color:#b42318}.alert-info{background:#eff8ff;border-color:#b2ddff;color:#175cd3}.alert-warning{background:#fffaeb;border-color:#fedf89;color:#93370d}.table{width:100%;border-collapse:separate;border-spacing:0 10px}.table th{font-size:12px;text-transform:uppercase;color:var(--muted);text-align:left;padding:0 12px}.table td{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:14px 12px}.table td:first-child{border-left:1px solid var(--border);border-radius:14px 0 0 14px}.table td:last-child{border-right:1px solid var(--border);border-radius:0 14px 14px 0}.message-row.unseen td{font-weight:800}.pill{display:inline-block;padding:4px 9px;border-radius:999px;background:#f2f4f7;color:#344054;font-size:12px;font-weight:700}.message-meta{display:grid;gap:6px;color:var(--muted);font-size:14px;margin:18px 0}.message-body{white-space:pre-wrap;background:#0f172a;color:#f8fafc;border-radius:18px;padding:18px;overflow:auto}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.checklist{padding-left:20px}.checklist li{margin:8px 0}.status-ok{color:var(--ok);font-weight:800}.status-bad{color:var(--danger);font-weight:800}.status-warn{color:var(--warn);font-weight:800}@media (max-width:760px){.grid{grid-template-columns:1fr}.form-row{flex-direction:column;align-items:stretch}.page{padding:14px}.card{padding:18px}.title{font-size:25px}.table{font-size:14px}.hide-sm{display:none}}
.inline-form{display:inline}.compact-actions{margin-top:0}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:18px}.modal-backdrop[hidden]{display:none}.modal-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:0 24px 80px rgba(15,23,42,.24)}.modal-card h2{margin-top:0}
.radio-group{display:grid;gap:8px;margin-top:14px;padding:13px 14px;border:1px solid var(--border);border-radius:16px;background:#fafbff}.radio-option{display:flex;gap:8px;align-items:center;color:var(--text);font-weight:600}.radio-option input{accent-color:var(--primary)}.status-pill-on{background:#ecfdf3;color:#067647}.status-pill-off{background:#fff7ed;color:#b45309}.message-html-frame{width:100%;min-height:520px;border:1px solid var(--border);border-radius:18px;background:#fff;padding:0}.plain-text-details{margin-top:14px}.plain-text-details summary{cursor:pointer;font-weight:800;color:var(--muted)}.plain-email-body{white-space:pre-wrap;background:#fff;color:var(--text);border:1px solid var(--border);border-radius:18px;padding:18px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace}

/* v1.0.6 message reader polish */
.message-reader-card{padding:0;overflow:hidden}.message-reader-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:26px 26px 18px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#ffffff,#fbfcff)}.eyebrow{margin:0 0 7px;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.message-title{margin-bottom:0;word-break:break-word}.professional-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:18px 26px;border-bottom:1px solid var(--border);background:#fff}.professional-meta div{display:grid;gap:4px;min-width:0}.professional-meta span{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.professional-meta strong{font-size:14px;color:var(--text);font-weight:700;overflow-wrap:anywhere}.attachment-panel{margin:20px 26px 0;padding:14px 16px;border:1px solid var(--border);border-radius:16px;background:#fafbff}.attachment-panel ul{margin:10px 0 0;padding-left:20px}.email-viewer-section{padding:22px 26px 0}.email-viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.email-viewer-toolbar strong{font-size:22px}.email-viewer-toolbar span{color:var(--muted);font-size:13px;font-weight:700}.email-preview-shell{width:100%;background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 10px 34px rgba(15,23,42,.06)}.message-html-frame{display:block;width:100%;height:680px;min-height:680px;border:0;background:#fff}.plain-text-details{padding:0 0 0;margin-top:16px}.plain-text-details summary{cursor:pointer;font-weight:800;color:var(--muted);padding:10px 0}.professional-plain-body,.plain-email-body{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:0 10px 34px rgba(15,23,42,.05);font-size:14px;line-height:1.65}.message-reader-card>.actions{padding:20px 26px 26px;margin-top:0}@media (max-width:760px){.message-reader-header{padding:20px 18px 14px}.professional-meta{grid-template-columns:1fr;padding:16px 18px}.email-viewer-section{padding:18px 18px 0}.message-html-frame{height:560px;min-height:560px}.message-reader-card>.actions{padding:18px}}

/* v1.0.7 mailbox search, domain filter and pagination */
.mailbox-list-tools{display:grid;grid-template-columns:1.4fr .9fr auto;gap:14px;align-items:end;margin:0 0 14px;padding:14px;border:1px solid var(--border);border-radius:18px;background:#fafbff}.mailbox-search-wrap,.mailbox-domain-wrap{display:grid;gap:6px}.mailbox-list-summary{align-self:center;min-width:190px}.mailbox-domain-chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.domain-chip{border:1px solid var(--border);background:#fff;color:var(--text);border-radius:999px;padding:7px 11px;font-weight:800;cursor:pointer}.domain-chip span{color:var(--muted);font-size:12px}.domain-chip.active{border-color:#aab7ff;background:#eef2ff;color:#1d3fd0}.mailbox-table-wrap{overflow-x:auto}.domain-pill{background:#eff8ff;color:#175cd3}.mailbox-pagination{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:16px}.mailbox-pagination .btn:disabled{opacity:.45;cursor:not-allowed;filter:none}.message-subject-text{font-weight:800;overflow-wrap:anywhere}@media (max-width:760px){.mailbox-list-tools{grid-template-columns:1fr}.mailbox-list-summary{min-width:0}.mailbox-pagination{justify-content:flex-start}}