:root{--bg:#fff;--fg:#09090b;--muted:#71717a;--muted-bg:#f4f4f5;--border:#e4e4e7;--card:#fff;--primary:#18181b;--primary-fg:#fafafa;--accent:#f4f4f5;--ring:#a1a1aa;--danger:#dc2626;--ok:#16a34a;--side:#fafafa;--unread:#2563eb}
.dark{--bg:#09090b;--fg:#fafafa;--muted:#a1a1aa;--muted-bg:#18181b;--border:#27272a;--card:#0c0c0e;--primary:#fafafa;--primary-fg:#18181b;--accent:#1c1c1f;--side:#0f0f11;--unread:#60a5fa}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Inter","PingFang SC","Noto Sans SC",sans-serif;background:var(--bg);color:var(--fg);font-size:14px;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
svg{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 14px;border-radius:8px;font-weight:500;white-space:nowrap;transition:background .15s}
.btn-primary{background:var(--primary);color:var(--primary-fg)}
.btn-primary:hover{opacity:.9}
.btn-outline{border:1px solid var(--border);background:var(--card)}
.btn-outline:hover,.btn-ghost:hover{background:var(--accent)}
.btn-sm{height:32px;padding:0 10px;font-size:13px}
.btn-icon{width:32px;height:32px;padding:0;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.input{height:36px;width:100%;border:1px solid var(--border);border-radius:8px;background:transparent;padding:0 12px;outline:none}
.input:focus{border-color:var(--ring);box-shadow:0 0 0 3px color-mix(in srgb,var(--ring) 25%,transparent)}
.badge{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--border);color:var(--muted)}
.badge.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 30%,transparent);background:color-mix(in srgb,var(--ok) 8%,transparent)}
.badge.off{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px}
.muted{color:var(--muted)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em}
.logo i{width:30px;height:30px;border-radius:8px;background:var(--primary);color:var(--primary-fg);display:grid;place-items:center}
.logo i svg{width:17px;height:17px}
/* header */
.topbar{height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(8px);z-index:5}
.topbar nav{display:flex;align-items:center;gap:4px}
.avatar{width:32px;height:32px;border-radius:999px;display:grid;place-items:center;font-weight:600;font-size:13px;color:#fff;flex:none}
/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login .hero{background:var(--primary);color:var(--primary-fg);padding:40px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login .hero .logo i{background:var(--primary-fg);color:var(--primary)}
.login .hero h1{font-size:40px;line-height:1.15;letter-spacing:-.02em;font-weight:700;max-width:460px}
.login .hero p{opacity:.65;margin-top:14px;font-size:15px;max-width:420px;line-height:1.6}
.login .env{position:absolute;right:-60px;bottom:90px;width:380px;opacity:.09}
.login .env svg{width:380px;height:380px;stroke-width:1}
.login .side{display:flex;align-items:center;justify-content:center;padding:24px}
.login form{width:100%;max-width:360px}
.login h2{font-size:24px;font-weight:700;letter-spacing:-.02em}
.field{margin-top:16px}.field label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}
.err{color:var(--danger);font-size:13px;margin-top:10px;min-height:18px}
/* mailboxes */
.page{max-width:1080px;margin:0 auto;padding:32px 24px 60px}
.page h1{font-size:28px;font-weight:700;letter-spacing:-.02em}
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px}
.stats>div{padding:20px 24px}.stats>div+div{border-left:1px solid var(--border)}
.stats b{display:block;font-size:24px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.stats span{font-size:13px;color:var(--muted)}
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-size:12px;font-weight:500;color:var(--muted);padding:12px 20px;border-bottom:1px solid var(--border)}
.table td{padding:16px 20px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tr:hover td{background:color-mix(in srgb,var(--accent) 50%,transparent)}
.addr{font-weight:600;display:flex;align-items:center;gap:10px}
.bar{height:6px;border-radius:99px;background:var(--muted-bg);overflow:hidden;width:140px;margin-top:6px}.bar i{display:block;height:100%;background:var(--primary)}
/* app */
.app{display:grid;grid-template-columns:248px 1fr;height:100vh}
.app.collapsed{grid-template-columns:64px 1fr}
.sidebar{background:var(--side);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px 12px;gap:6px;min-width:0}
.acct{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;border:1px solid var(--border);background:var(--card);margin:6px 0 8px;cursor:pointer;min-width:0}
.acct .t{min-width:0;flex:1}.acct .t b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.acct .t small{color:var(--muted);font-size:12px}
.sec{font-size:12px;color:var(--muted);font-weight:500;padding:14px 10px 6px;display:flex;justify-content:space-between;align-items:center}
.nav{display:flex;align-items:center;gap:10px;height:34px;padding:0 10px;border-radius:8px;color:var(--fg);width:100%;font-size:13.5px}
.nav:hover{background:var(--accent)}.nav.on{background:var(--accent);font-weight:600}
.nav .n{margin-left:auto;font-size:12px;color:var(--muted)}
.nav.soon{color:var(--muted)}.nav.soon .n{font-size:11px}
.sfoot{margin-top:auto;border-top:1px solid var(--border);padding-top:12px}
.main{display:flex;flex-direction:column;min-width:0;height:100vh}
.mhead{height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 20px}
.search{position:relative;flex:1;max-width:520px}.search svg{position:absolute;left:11px;top:10px;color:var(--muted)}.search .input{padding-left:34px;background:var(--muted-bg);border-color:transparent}
.tools{display:flex;align-items:center;gap:6px;padding:10px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.chips{display:inline-flex;background:var(--muted-bg);padding:3px;border-radius:9px;gap:2px}
.chips button{height:28px;padding:0 12px;border-radius:7px;font-size:13px;color:var(--muted);font-weight:500}
.chips button.on{background:var(--card);color:var(--fg);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.split{flex:1;display:grid;grid-template-columns:420px 1fr;min-height:0}
.split.listonly{grid-template-columns:1fr}
.list{overflow:auto;border-right:1px solid var(--border)}
.row{display:flex;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);cursor:pointer;position:relative}
.row:hover{background:color-mix(in srgb,var(--accent) 60%,transparent)}
.row.on{background:var(--accent)}
.row.unread::before{content:"";position:absolute;left:7px;top:22px;width:7px;height:7px;border-radius:9px;background:var(--unread)}
.row .c{flex:1;min-width:0}
.row .l1{display:flex;align-items:center;gap:8px}.row .l1 b{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.row.unread .l1 b,.row.unread .s{font-weight:650}
.row time{font-size:12px;color:var(--muted);flex:none}
.row .s{margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .p{margin-top:2px;color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:600;background:var(--muted-bg);border:1px solid var(--border);border-radius:6px;padding:2px 8px;letter-spacing:.06em}
.star{color:var(--muted)}.star.on{color:#f59e0b}.star.on svg{fill:#f59e0b}
.reader{overflow:auto;display:flex;flex-direction:column;min-width:0}
.reader .rh{padding:22px 28px 16px;border-bottom:1px solid var(--border)}
.reader h2{font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.reader .from{display:flex;align-items:center;gap:12px;margin-top:16px}
.reader .from .t{flex:1;min-width:0}.reader .from small{color:var(--muted);font-size:12.5px}
.reader iframe{border:0;width:100%;flex:1;min-height:420px;background:#fff}
.empty{flex:1;display:grid;place-items:center;color:var(--muted);text-align:center;padding:40px}
.empty svg{width:40px;height:40px;stroke-width:1.4;margin-bottom:10px;opacity:.6}
.pager{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;border-top:1px solid var(--border);font-size:12.5px;color:var(--muted)}
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--primary);color:var(--primary-fg);padding:10px 16px;border-radius:10px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:50}
#toast.show{opacity:1;transform:translateX(-50%)}
.mback{display:none}
.menu{position:absolute;z-index:20;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.12);padding:4px;min-width:200px}
.menu button{display:flex;width:100%;align-items:center;gap:8px;height:34px;padding:0 10px;border-radius:7px;font-size:13px}
.menu button:hover{background:var(--accent)}
@media (max-width:820px){
 .login{grid-template-columns:1fr}.login .hero{display:none}
 .stats{grid-template-columns:1fr}.stats>div+div{border-left:0;border-top:1px solid var(--border)}
 .table thead{display:none}.table tr{display:block;padding:14px 16px;border-bottom:1px solid var(--border)}.table td{display:block;padding:4px 0;border:0}
 .page{padding:20px 16px}
 .app{grid-template-columns:1fr}.sidebar{display:none}
 .split{grid-template-columns:1fr}.reader{display:none}
 .split.reading .list{display:none}.split.reading .reader{display:flex}
 .mback{display:inline-flex}.hide-m{display:none}
 .mhead{padding:0 12px}.tools{padding:8px 12px}.row{padding:14px 16px}
 .reader .rh{padding:16px}
}
a{color:inherit}
@media (max-width:820px){.app:has(.split.reading) .tools{display:none}}
/* ---- v2 ---- */
.lang{position:relative}
.chk{width:16px;height:16px;border:1px solid var(--border);border-radius:4px;display:inline-grid;place-items:center;flex:none;background:var(--card);cursor:pointer}
.chk.on{background:var(--primary);border-color:var(--primary);color:var(--primary-fg)}
.chk svg{width:12px;height:12px;stroke-width:3}
.lhead{display:flex;align-items:center;gap:12px;padding:10px 20px;border-bottom:1px solid var(--border);font-size:13px}
.lhead b{font-weight:600}
.cnt{margin-left:auto;font-size:12px;color:var(--muted);background:var(--muted-bg);border-radius:999px;padding:2px 10px}
.row .chk{margin-top:10px}
.pager select{height:28px;border:1px solid var(--border);border-radius:6px;background:var(--card);color:var(--fg);padding:0 6px;font:inherit;font-size:12.5px}
.pager .pg{display:flex;align-items:center;gap:8px}
.fl{font-size:12px;color:var(--muted);margin-right:4px}
.app.collapsed .sidebar .lbl,.app.collapsed .sidebar .n,.app.collapsed .sidebar .sec,.app.collapsed .sidebar .acct .t,.app.collapsed .sidebar .acct>svg,.app.collapsed .sidebar .hidec{display:none}
.app.collapsed .sidebar{padding:14px 10px;align-items:center}
.app.collapsed .nav{justify-content:center;padding:0;width:40px}
.app.collapsed .acct{padding:4px;border:0;background:none}
.app.collapsed .compose{width:40px;padding:0}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;z-index:40;padding:16px}
.modal{background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:520px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal h3{font-size:17px;font-weight:650}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;margin-top:16px}
.grid2 label{font-size:12.5px;font-weight:500;display:block;margin-bottom:6px}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.status i{width:7px;height:7px;border-radius:9px;background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 20%,transparent)}
.perm{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.foot-links{display:flex;gap:18px;justify-content:center;margin-top:28px;font-size:13px}
.foot-links a{color:var(--muted);text-decoration:none}.foot-links a:hover{color:var(--fg)}
.badge.warn{color:#b45309;border-color:#fcd34d;background:#fffbeb}
.dark .badge.warn{color:#fbbf24;border-color:#78350f;background:#1c1405}
/* settings */
.set{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.set .sidebar{position:sticky;top:0;height:100vh}
.set .content{padding:36px 40px;max-width:860px}
.set h1{font-size:24px;font-weight:700;letter-spacing:-.02em}
.set .desc{color:var(--muted);margin-top:6px}
.set .card{padding:20px;margin-top:20px}
.kv{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);gap:16px}
.kv:last-child{border-bottom:0}.kv span{color:var(--muted);font-size:13px}
.soonbox{border:1px dashed var(--border);border-radius:12px;padding:40px;text-align:center;color:var(--muted);margin-top:20px}
.soonbox svg{width:36px;height:36px;stroke-width:1.4;opacity:.6;margin-bottom:10px}
.statg{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.statg .card{margin:0}.statg b{display:block;font-size:26px;margin-top:6px}
.hbar{display:flex;align-items:center;gap:10px;margin:10px 0;font-size:13px}.hbar .bar{flex:1;width:auto;margin:0}
select.input{appearance:auto}
.login .top{position:absolute;top:20px;right:24px}
.login .side{position:relative}
.lock{width:44px;height:44px;border-radius:12px;background:var(--muted-bg);display:grid;place-items:center;margin-bottom:18px}
.lock svg{width:20px;height:20px}
.rot{transition:opacity .4s}
@media (max-width:820px){.set{grid-template-columns:1fr}.set .sidebar{display:none}.set .content{padding:20px 16px}.statg{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.mtabs{display:flex!important}}
.mtabs{display:none;gap:6px;overflow:auto;padding-bottom:8px;margin-top:14px}
.set .content{min-width:0}
.app.collapsed .sidebar .hidec{display:none!important}
@media (max-width:820px){.hide-m{display:none!important}.kv{flex-wrap:wrap}.kv b{word-break:break-all}}
.scrim{display:none}
@media (max-width:820px){
 .app .sidebar{display:flex!important;position:fixed;top:0;left:0;bottom:0;width:280px;z-index:30;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 10px 40px rgba(0,0,0,.25);overflow-y:auto}
 .app.drawer .sidebar{transform:none}
 .app.drawer .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:25}
 .app .sidebar [data-act=collapse]{display:none}
}
.mlogo{visibility:hidden}
@media (max-width:820px){
 .mlogo{visibility:visible}
 .stats{grid-template-columns:repeat(3,1fr)!important}.stats>div{padding:14px!important;border-left:1px solid var(--border);border-top:0!important}.stats>div:first-child{border-left:0}
 .stats b{font-size:20px!important}.stats span{font-size:12px}
 .statg{grid-template-columns:repeat(3,1fr)}.statg .card{padding:14px}.statg b{font-size:20px}
 .pager.hasread{display:none}
 .chips{overflow-x:auto;max-width:100%}
 .main,.list,.reader{padding-bottom:env(safe-area-inset-bottom)}
}
.badge{white-space:nowrap}
.mdhead,.macct{display:none}
@media (max-width:820px){
 .app .sidebar{height:100dvh!important;width:300px;padding:16px 14px calc(16px + env(safe-area-inset-bottom))}
 .app .sidebar .dlogo,.app .sidebar .acct,.app .sidebar .dlabel{display:none!important}
 .mdhead{display:flex;align-items:center;gap:10px;padding:2px 2px 6px}.mdhead b{font-size:16px}
 .macct{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:var(--card);font-size:15px;cursor:pointer}
 .macct span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.macct svg{width:18px;height:18px;color:var(--muted)}
 .app .sidebar .nav{height:44px;font-size:15px}
}
.mbq svg{display:none}
@media (max-width:820px){
 .topbar{height:auto;flex-direction:column;align-items:flex-start;padding:12px 16px 8px;gap:8px}
 .topbar nav{gap:2px;margin-left:-8px}.topbar nav .btn{font-size:14px}
 .mbtitle{flex-direction:column;align-items:flex-start!important;gap:14px!important}
 .mbstats{grid-template-columns:1fr 1fr!important}
 .mbstats>div:nth-child(3){grid-column:1/-1;border-left:0!important;border-top:1px solid var(--border)!important}
 .mbstats>div{padding:18px 20px!important}
 .mblh{flex-direction:column;align-items:stretch!important}.mblh .search{max-width:none!important}
 .mbt tr{padding:18px 20px!important}
 .mbt .addr>.avatar{display:none}
 .mbt .addr{font-weight:600;font-size:16px}
 .mbt .mbq{display:flex;align-items:center;gap:8px;color:var(--muted);margin:6px 0}.mbt .mbq svg{display:inline;width:16px;height:16px}
 .mbt .bar{width:100%!important;max-width:none!important}
 .mbt .perm{display:flex;flex-wrap:wrap;gap:8px}
 .mbt td:last-child{text-align:right;margin-top:6px}
}
@media (max-width:820px){
 .mbt tr,.mbt tr:hover,.mbt td{background:transparent!important}
 .mbt .perm{flex-direction:row!important;align-items:center}
 .mbstats>div:nth-child(2){border-left:1px solid var(--border)!important}
}
@media (max-width:820px){
 .mbt .badge.ok{background:var(--accent);color:var(--fg);border-color:transparent;border-radius:6px;padding:3px 10px}
 .mbstats b{font-size:26px!important}
 .mbtitle h1{font-size:30px}
 .topbar .logo i{background:transparent;color:var(--fg);border:0}
}
.row.unread::before{display:none}
.row{border-left:2px solid transparent;padding:12px 14px}
.row.unread{border-left-color:var(--primary)}
.rtool{display:flex;align-items:center;gap:2px;padding:8px 12px;border-bottom:1px solid var(--border);overflow-x:auto;flex:none}
.rtool .btn{flex:none}
.rtool .star.on svg{fill:#f59e0b;color:#f59e0b}
@media (max-width:820px){.rtool .rl{display:none}.rtool .btn-sm{width:36px;padding:0;justify-content:center}}
.reader .from{align-items:flex-start}.reader .from .t>div{margin-top:2px}
.smhead,.smenu{display:none}
.shead{display:flex;align-items:center;gap:8px}
@media (max-width:820px){
 .mtabs{display:none!important}
 .smenu{display:inline-flex;margin-left:-8px}
 .shead h1{font-size:20px}
 .set .sidebar{display:flex!important;flex-direction:column;position:fixed;top:0;left:0;bottom:0;height:100dvh;width:300px;z-index:30;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 10px 40px rgba(0,0,0,.25);overflow-y:auto;padding:16px 14px calc(16px + env(safe-area-inset-bottom))}
 .set.drawer .sidebar{transform:none}
 .set.drawer .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:25}
 .set .sidebar .sdhead{display:none!important}
 .smhead{display:flex;align-items:center;gap:10px;padding:2px 2px 10px}.smhead b{font-size:16px}
 .set .sidebar .nav{height:44px;font-size:15px}
 .set .content{padding:12px 16px 24px}
 .set .kv{flex-wrap:wrap;gap:8px}
}