:root {
  --bg:#f4f6f9; --panel:#fff; --ink:#131722; --muted:#6b7280; --line:#e5e7eb;
  --accent:#4f46e5; --accent2:#6d5dfc; --danger:#dc2626; --good:#16a34a;
  --shadow:0 12px 36px rgba(17,24,39,.08); --radius:18px;
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
button,input{font:inherit} button{cursor:pointer}.hidden{display:none!important}
.page-shell{min-height:100vh;display:flex;flex-direction:column}
.topbar{height:72px;background:#111827;color:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1440px)/2));box-shadow:0 1px 0 rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#7c3aed,#4f46e5);display:grid;place-items:center;font-size:21px;font-weight:900}.brand b{display:block;font-size:16px;line-height:1.05}.brand small{display:block;color:#aeb6c4;font-size:11px;margin-top:3px;letter-spacing:.06em;text-transform:uppercase}
.status-pill{font-size:12px;color:#d1d5db;display:flex;align-items:center;gap:7px}.status-pill span{width:8px;height:8px;border-radius:50%;background:#f59e0b;box-shadow:0 0 0 4px rgba(245,158,11,.12)}.status-pill.online span{background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.12)}.status-pill.offline span{background:#ef4444}
.layout{width:min(1440px,100%);margin:0 auto;display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;padding:26px 24px 36px;flex:1}.sidebar{display:flex;flex-direction:column;gap:14px}.content{min-width:0}
.primary,.ghost,.icon-btn,.back-btn{border:0;border-radius:11px;transition:.15s ease}.primary{background:linear-gradient(135deg,var(--accent2),var(--accent));color:white;padding:13px 16px;font-weight:750;box-shadow:0 7px 18px rgba(79,70,229,.22)}.primary:hover{transform:translateY(-1px)}.full{width:100%}.ghost{background:#f3f4f6;color:#374151;padding:9px 12px;font-weight:650}.ghost:hover{background:#e9ebef}.ghost.danger{color:var(--danger);background:#fff1f2}.ghost.small{padding:7px 10px;font-size:12px}.icon-btn{width:38px;height:38px;background:#f3f4f6;color:#4b5563;font-size:18px;display:grid;place-items:center}.icon-btn:hover{background:#e5e7eb}.back-btn{display:none;background:#eef2ff;color:#4338ca;padding:7px 10px;margin-bottom:12px}
.side-title{font-size:12px;font-weight:800;color:#8a93a3;text-transform:uppercase;letter-spacing:.08em;margin:8px 2px 0}.saved-list{display:flex;flex-direction:column;gap:7px}.saved-item{background:white;border:1px solid var(--line);border-radius:12px;padding:10px 11px;text-align:left;width:100%;overflow:hidden}.saved-item.active{border-color:#8b86f7;box-shadow:0 0 0 2px rgba(79,70,229,.08)}.saved-item b{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.saved-item small{color:var(--muted);font-size:10px}.privacy-card{margin-top:auto;background:#eef2ff;border:1px solid #dde2ff;border-radius:14px;padding:14px;color:#3730a3}.privacy-card b{font-size:12px}.privacy-card p{font-size:11px;line-height:1.5;margin:7px 0 0;color:#5b5f8b}
.address-card{background:linear-gradient(135deg,#ffffff 0%,#f8f7ff 100%);border:1px solid #e5e3ff;border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow)}.eyebrow{font-size:11px;color:#7c76bd;font-weight:850;letter-spacing:.1em}.address-line{display:flex;align-items:center;gap:12px;margin-top:8px}.address{font-size:clamp(23px,3vw,36px);font-weight:850;letter-spacing:-.035em;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.address-line .icon-btn{flex:none}.address-actions{display:flex;align-items:center;gap:9px;margin-top:18px}.expires{font-size:12px;color:var(--muted);margin-right:auto}.expires b{color:#374151;font-variant-numeric:tabular-nums}
.token-card{margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.token-card>div:first-child{display:flex;flex-direction:column;gap:3px}.token-card b{font-size:12px}.token-card span{font-size:11px;color:var(--muted)}.token-actions{display:flex;align-items:center;gap:8px;min-width:0}.token-actions code{font-size:11px;background:#f8fafc;border:1px solid #edf0f3;border-radius:8px;padding:7px 9px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mail-grid{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:16px;margin-top:16px;min-height:520px}.inbox-panel,.reader-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 22px rgba(17,24,39,.04);overflow:hidden}.panel-head{height:72px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-head h1{font-size:17px;margin:0}.panel-head span{font-size:11px;color:var(--muted)}.message-list{max-height:620px;overflow:auto}.message-item{width:100%;border:0;border-bottom:1px solid #f0f1f3;background:white;padding:14px 16px;text-align:left;display:grid;gap:5px}.message-item:hover{background:#fafafe}.message-item.active{background:#f2f1ff}.message-top{display:flex;gap:10px;align-items:center}.sender{font-weight:750;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.message-time{font-size:10px;color:#9ca3af;white-space:nowrap}.message-subject{font-size:12px;color:#4b5563;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.paperclip{font-size:11px;color:#7c3aed}.empty-state,.reader-empty{padding:54px 20px;text-align:center;color:var(--muted)}.empty-icon,.reader-empty-icon{font-size:35px;color:#bbb9e8;margin-bottom:10px}.empty-state b,.reader-empty h2{color:#374151}.empty-state p,.reader-empty p{font-size:12px}
.reader-panel{min-width:0}.reader-empty{display:grid;place-items:center;align-content:center;height:100%}.reader-empty h2{margin:2px 0;font-size:18px}.reader-content{height:100%;display:flex;flex-direction:column}.reader-head{padding:20px 22px;border-bottom:1px solid var(--line)}.reader-head h2{margin:0 0 10px;font-size:20px;line-height:1.25;word-break:break-word}.reader-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted)}.reader-meta span{overflow:hidden;text-overflow:ellipsis}.attachments{display:flex;gap:8px;flex-wrap:wrap;padding:10px 20px;border-bottom:1px solid var(--line);background:#fafafa}.attachment{border:1px solid #dddfe5;background:white;border-radius:9px;padding:8px 10px;font-size:11px;color:#4338ca}.reader-text{white-space:pre-wrap;word-break:break-word;margin:0;padding:22px;font-family:inherit;font-size:13px;line-height:1.65;overflow:auto}.reader-html{border:0;width:100%;min-height:430px;flex:1;background:#fff}
footer{width:min(1440px,100%);margin:0 auto;padding:16px 24px 24px;display:flex;justify-content:space-between;color:#9ca3af;font-size:10px}.toast{position:fixed;right:22px;bottom:22px;background:#111827;color:#fff;border-radius:11px;padding:11px 14px;font-size:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:#991b1b}
@media(max-width:900px){.layout{grid-template-columns:1fr;padding:18px 14px}.sidebar{order:2}.sidebar .primary,.side-title,.saved-list,.privacy-card{display:none}.mail-grid{grid-template-columns:1fr}.reader-panel{display:none}.reader-panel.mobile-open{display:block;position:fixed;inset:72px 0 0;z-index:20;border-radius:0}.reader-panel.mobile-open .back-btn{display:inline-block}.inbox-panel{min-height:480px}.token-card{align-items:flex-start;flex-direction:column}.token-actions{width:100%}.token-actions code{flex:1;max-width:none}footer{padding:12px 14px 20px}.address-card{padding:20px}.address-actions{flex-wrap:wrap}.expires{width:100%;margin-bottom:2px}}
@media(max-width:520px){.topbar{height:64px;padding:0 14px}.status-pill{font-size:0}.layout{padding-top:12px}.address{font-size:22px}.address-line{gap:6px}.address-actions .ghost{font-size:11px}.mail-grid{margin-top:12px}.token-actions{flex-wrap:wrap}.token-actions code{width:100%;flex-basis:100%}.reader-panel.mobile-open{inset:64px 0 0}.reader-meta{align-items:flex-start;flex-direction:column;gap:4px}footer{flex-direction:column;gap:5px}}

.restore-side{width:100%;border:1px solid var(--line);background:white}.modal{position:fixed;inset:0;z-index:100;background:rgba(17,24,39,.52);display:grid;place-items:center;padding:20px;backdrop-filter:blur(4px)}.modal-card{width:min(520px,100%);background:white;border-radius:18px;padding:24px;box-shadow:0 28px 70px rgba(0,0,0,.22);position:relative}.modal-card h2{margin:7px 0 8px;font-size:21px}.modal-card p{color:var(--muted);font-size:12px;line-height:1.55;margin:0 0 16px}.modal-x{position:absolute;right:14px;top:12px;width:34px;height:34px;border:0;border-radius:9px;background:#f3f4f6;font-size:21px;color:#6b7280}.token-input{width:100%;border:1px solid #d7dbe2;border-radius:11px;padding:12px 13px;outline:none;font:12px ui-monospace,SFMono-Regular,Menlo,monospace}.token-input:focus{border-color:#7770ee;box-shadow:0 0 0 3px rgba(79,70,229,.1)}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:16px}