:root{--ink:#172033;--muted:#667085;--line:#e5e9f0;--surface:#fff;--wash:#f4f7fb;--brand:#3157d5;--brand-dark:#2442a7;--danger:#b42318;--success:#087443;--warning:#945300;--radius:16px;--shadow:0 10px 30px rgba(27,39,68,.08)}
*{box-sizing:border-box}html{font-family:Inter,"Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--wash)}body{margin:0}a{color:var(--brand);text-decoration:none}button,input,select,textarea{font:inherit}.topbar,.share-header{height:66px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:5}.brand{font-weight:800;color:var(--ink);font-size:18px}.topbar nav{display:flex;align-items:center;gap:24px}.topbar nav a,.link-button{color:var(--muted);font-weight:600}.inline-form{display:inline}.link-button{background:none;border:0;padding:0;cursor:pointer}.container,.share-container{width:min(1180px,calc(100% - 32px));margin:38px auto 70px}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.page-heading h1,.share-intro 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3px}.mailbox-card-top,.meta-row,.section-title{display:flex;justify-content:space-between;gap:12px;align-items:center}.avatar{width:42px;height:42px;border-radius:12px;background:#e9edff;color:var(--brand);display:grid;place-items:center;font-weight:900}.status{display:inline-block;border-radius:999px;padding:4px 9px;background:#e9edf3;color:#586174;font-size:12px;font-weight:800}.status-active{background:#dff7ea;color:var(--success)}.status-demo{background:#fff1d6;color:var(--warning)}.status-reauth_required,.status-revoked,.status-expired{background:#fee4e2;color:var(--danger)}.mail-address{color:var(--muted);font-size:14px}.meta-row{border-top:1px solid var(--line);margin-top:17px;padding-top:14px;color:var(--muted);font-size:12px}.alert{border:1px solid;border-radius:12px;padding:14px 16px;margin:16px 0}.alert-danger{background:#fff1f0;border-color:#f5beb9;color:#8f1d14}.alert-warning{background:#fff8e8;border-color:#f2d08b;color:#744100}.alert-success{background:#effcf6;border-color:#9ee0bd;color:#05603a}.secret-once{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.secret-once code{max-width:100%;overflow-wrap:anywhere;background:#fff;padding:7px;border-radius:6px}.breadcrumb{display:flex;gap:8px;color:var(--muted);font-size:13px;margin-bottom:22px}.two-column{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,.75fr);gap:24px}.sidebar-stack{display:grid;gap:18px}.panel{padding:20px}.panel h2{margin-top:0}.section-title{margin:24px 0 12px}.section-title h2{margin:0;font-size:20px}.section-title span{font-size:12px;color:var(--muted)}.message-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.message-row{display:grid;grid-template-columns:160px minmax(0,1fr) 132px;gap:18px;padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink);align-items:center}.message-row:last-child{border-bottom:0}.message-row:hover{background:#f8faff}.message-sender{font-size:14px;font-weight:700;overflow:hidden;text-overflow:ellipsis}.message-main{display:grid;gap:4px;min-width:0}.message-main span{color:var(--muted);font-size:13px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.message-row time,.code-card time{font-size:12px;color:var(--muted)}fieldset{border:1px solid var(--line);border-radius:10px;padding:10px 12px}legend{font-weight:800;font-size:13px}.check{display:flex;align-items:center;gap:8px;font-weight:500;margin:7px 0}.check input{width:auto}.section-spaced{margin-top:36px}.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}table{border-collapse:collapse;width:100%;min-width:720px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 15px;font-size:13px}th{color:var(--muted);background:#fafbfc}tbody tr:last-child td{border-bottom:0}.chip{display:inline-block;background:#edf1ff;color:#3450ae;border-radius:999px;padding:3px 7px;margin:2px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#e1e8ff 0,transparent 32%),var(--wash)}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px;box-shadow:var(--shadow)}.login-card h1{font-size:33px;margin:8px 0}.empty-state{grid-column:1/-1;background:#fff;border:1px dashed #bfc8d8;border-radius:var(--radius);padding:50px;text-align:center;color:var(--muted)}.empty-state.compact{padding:24px}.mail-view{overflow:hidden}.mail-view header{padding:25px;border-bottom:1px solid var(--line)}.mail-view header h1{font-size:27px;margin:8px 0}.mail-view header p{color:var(--muted)}.safe-notice{padding:10px 24px;background:#eef7ff;color:#235478;font-size:12px}.mail-body{padding:28px;line-height:1.7;overflow-wrap:anywhere}.mail-body img,.mail-body style,.mail-body script{display:none}.api-layout{grid-template-columns:360px 1fr}.key-list{display:grid;gap:12px}.key-card{padding:18px;display:grid;grid-template-columns:1fr auto;gap:14px}.key-card h3{margin:0 0 5px}.key-meta{grid-column:1/-1;display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px}.share-header{position:static}.share-header>div{display:flex;align-items:center;gap:9px}.shield{display:grid;place-items:center;width:25px;height:25px;background:#dff7ea;color:var(--success);border-radius:50%;font-weight:900}.expires{font-size:12px;color:var(--muted)}.share-container{width:min(880px,calc(100% - 32px))}.share-intro{margin:45px 0 24px}.share-section{margin-top:30px}.code-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.code-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:grid;gap:7px}.code-value{border:0;background:none;padding:0;text-align:left;color:var(--brand);font-weight:900;font-size:34px;letter-spacing:.12em;cursor:pointer}.code-card span{font-size:12px;color:var(--muted)}.pager{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.share-footer{text-align:center;color:var(--muted);font-size:12px;margin-top:46px}
.import-layout{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr)}.plain-list{padding-left:20px;line-height:1.9}
.brand{display:flex;align-items:center;gap:8px}.brand small{font-size:10px;color:var(--brand);background:#edf1ff;border-radius:999px;padding:3px 7px}
@media(max-width:850px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-column,.api-layout,.import-layout{grid-template-columns:1fr}.message-row{grid-template-columns:110px minmax(0,1fr)}.message-row time{display:none}.toolbar{flex-direction:column}.group-form{max-width:420px}}
@media(max-width:600px){.container,.share-container{width:min(100% - 22px,1180px);margin-top:22px}.topbar,.share-header{padding:0 12px}.topbar nav{gap:12px;font-size:13px}.page-heading{align-items:flex-start;flex-direction:column}.page-heading h1,.share-intro h1{font-size:29px}.actions{width:100%}.card-grid{grid-template-columns:1fr}.search-form{display:grid;grid-template-columns:1fr 1fr}.search-form input{grid-column:1/-1;min-width:0}.group-form{display:grid;grid-template-columns:1fr auto}.message-row{grid-template-columns:1fr;padding:13px}.message-sender{color:var(--muted);font-size:12px}.code-grid{grid-template-columns:1fr}.login-card{padding:26px 22px}.secret-once{align-items:flex-start}.mail-body{padding:18px}.share-header .expires{max-width:150px;text-align:right}}
.share-intro{margin:38px 0 24px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.share-refresh{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.share-refresh span{font-size:12px;color:var(--muted)}
.code-source{color:var(--ink);font-size:14px;font-weight:800;letter-spacing:0}
.new-code-alert[hidden]{display:none}.code-card-new{border-color:#43b581;background:#effcf6;box-shadow:0 0 0 3px rgba(8,116,67,.12),var(--shadow);animation:new-code-pulse 1.25s ease-in-out 2}@keyframes new-code-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}@media(prefers-reduced-motion:reduce){.code-card-new{animation:none}}
.section-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.danger-zone{border-color:#f1b7b2;background:#fffafa}.danger-zone h2{color:var(--danger)}
.bulk-share-form{display:grid;gap:18px}.bulk-share-panel{box-shadow:none}.bulk-share-panel .section-title{margin-top:0}.bulk-share-controls{display:grid;grid-template-columns:minmax(140px,.55fr) minmax(260px,1.3fr) auto;gap:14px;align-items:end}.bulk-share-controls fieldset{display:flex;gap:14px;align-items:center}.mailbox-select-card{display:grid}.mailbox-picker{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#f9faff;border:1px solid var(--line);border-bottom:0;border-radius:var(--radius) var(--radius) 0 0}.mailbox-picker input{width:auto}.mailbox-select-card .mailbox-card{border-radius:0 0 var(--radius) var(--radius);height:100%}.bulk-link-output{white-space:pre-wrap;overflow-wrap:anywhere;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;line-height:1.8}.break-all{overflow-wrap:anywhere}
.group-tabs{display:flex;gap:9px;align-items:center;overflow-x:auto;padding:3px 1px 8px}.group-tab{display:flex;align-items:center;gap:8px;white-space:nowrap;padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:13px;font-weight:700}.group-tab strong{display:grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#edf1f6;color:var(--ink);font-size:11px}.group-tab.active{background:var(--brand);border-color:var(--brand);color:#fff}.group-tab.active strong{background:rgba(255,255,255,.2);color:#fff}.bulk-group-panel{display:grid;grid-template-columns:minmax(220px,1fr) auto minmax(180px,.55fr) auto;gap:14px;align-items:end;box-shadow:none}.bulk-group-panel h2{margin:0 0 5px}.bulk-group-panel p{margin:0}.bulk-group-panel>.check{align-self:center}
@media(max-width:850px){.bulk-share-controls,.bulk-group-panel{grid-template-columns:1fr 1fr}.bulk-share-controls fieldset{grid-column:1/-1}.bulk-group-panel>div{grid-column:1/-1}}
@media(max-width:600px){.share-intro{align-items:flex-start;flex-direction:column}.share-refresh{justify-content:flex-start}.bulk-share-controls,.bulk-group-panel{grid-template-columns:1fr}.bulk-share-controls fieldset,.bulk-group-panel>div{grid-column:auto;flex-direction:column;align-items:flex-start}}
.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:18px 0 22px}.stat-card{display:grid;gap:6px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--muted);box-shadow:var(--shadow)}.stat-card strong{font-size:29px;color:var(--ink)}.stat-good strong{color:var(--success)}.stat-danger strong{color:var(--danger)}.stat-warning strong,.status-warning{color:var(--warning)}.status-warning{background:#fff1d6}.advanced-filter{display:grid;grid-template-columns:minmax(230px,1.4fr) repeat(4,minmax(135px,.65fr)) auto auto;align-items:end}.dashboard-toolbar{align-items:start}.bulk-group-panel{grid-template-columns:minmax(220px,1fr) auto minmax(180px,.55fr) auto}.bulk-secondary-actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:14px}.admin-pager{align-items:center}.operations-grid{display:grid;grid-template-columns:minmax(320px,.75fr) minmax(0,1.4fr);gap:22px}.metric-row{display:flex;gap:18px;flex-wrap:wrap}.metric-row .chip{font-size:13px;padding:6px 10px}.nowrap{white-space:nowrap}.pc1-toolbar{display:grid;grid-template-columns:minmax(220px,1fr) minmax(160px,.45fr) auto;gap:12px;align-items:end}.compact-table table{min-width:820px}
.original-mail-frame{display:block;width:100%;min-height:68vh;border:0;background:#fff}.share-link-actions{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap}.share-permission-editor{min-width:230px}.share-permission-editor summary{list-style:none}.share-permission-editor summary::-webkit-details-marker{display:none}.share-permission-editor[open]{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fafbfc}.share-permission-editor[open] summary{margin-bottom:9px}.permission-form{display:grid;gap:6px}.permission-form .check{white-space:nowrap}.permission-form .button{margin-top:5px}
@media(max-width:1000px){.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.advanced-filter{grid-template-columns:repeat(3,minmax(0,1fr))}.advanced-filter input{grid-column:1/-1}.operations-grid{grid-template-columns:1fr}}
@media(max-width:650px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.advanced-filter,.pc1-toolbar{grid-template-columns:1fr}.advanced-filter input{grid-column:auto}.topbar{height:auto;min-height:66px;align-items:flex-start;padding-top:14px;padding-bottom:14px;gap:10px}.topbar nav{flex-wrap:wrap;justify-content:flex-end}}
.credential-stack{display:grid;gap:14px}.credential-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:7px;align-items:center}.credential-row input{min-width:0}.credential-row .button{white-space:nowrap}@media(max-width:480px){.credential-row{grid-template-columns:minmax(0,1fr) auto}.credential-row .button:last-child:nth-child(3){grid-column:1/-1}}
.auxiliary-mail-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px}.auxiliary-mail-address{display:grid;gap:7px;min-width:0}.auxiliary-mail-address>span{font-size:12px;color:var(--muted)}.auxiliary-mail-copy-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.auxiliary-mail-copy-row strong{font-size:20px;line-height:1.35;overflow-wrap:anywhere}.auxiliary-mail-address .auxiliary-copy-button{min-height:40px;border-color:var(--brand);background:var(--brand);padding:8px 16px;color:#fff;font-size:16px;font-weight:800;white-space:nowrap}.auxiliary-mail-address .auxiliary-copy-button:hover{border-color:var(--brand-dark);background:var(--brand-dark);color:#fff}.auxiliary-code-grid{margin-top:14px}@media(max-width:600px){.auxiliary-mail-card{align-items:stretch;flex-direction:column}.auxiliary-mail-card .button{width:100%}.auxiliary-mail-copy-row{align-items:stretch;flex-direction:column}.auxiliary-mail-address .auxiliary-copy-button{font-size:17px}}
.import-result-dialog{width:min(560px,calc(100% - 28px));border:0;border-radius:22px;padding:26px;box-shadow:0 24px 80px rgba(20,30,55,.28);color:var(--ink)}.import-result-dialog::backdrop{background:rgba(18,27,47,.55);backdrop-filter:blur(3px)}.import-result-heading{display:flex;align-items:flex-start;gap:15px}.import-result-heading h2{font-size:25px;margin:4px 0 7px}.import-result-heading p{margin:0}.import-result-icon{display:grid;place-items:center;flex:0 0 44px;height:44px;border-radius:50%;font-size:24px;font-weight:900}.import-result-icon.success{background:#dff7ea;color:var(--success)}.import-result-icon.warning{background:#fff1d6;color:var(--warning)}.import-result-icon.danger{background:#fee4e2;color:var(--danger)}.import-result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}.import-result-stats div{display:grid;gap:3px;padding:13px;background:var(--wash);border-radius:12px;text-align:center}.import-result-stats strong{font-size:24px}.import-result-stats span{font-size:12px;color:var(--muted)}.import-result-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}@media(max-width:520px){.import-result-dialog{padding:21px}.import-result-stats{grid-template-columns:repeat(2,1fr)}.import-result-actions{display:grid}.import-result-actions .button{width:100%}}