:root{--bg:#f6f8fc;--panel:#fff;--text:#172033;--muted:#6b7280;--line:#e7ebf3;--primary:#4f7cff;--primary2:#7c3aed;--ok:#10b981;--danger:#ef4444;--shadow:0 24px 70px rgba(31,45,74,.12);--radius:26px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif;background:radial-gradient(circle at top left,#e8eeff,transparent 36%),radial-gradient(circle at top right,#f2e9ff,transparent 30%),var(--bg);color:var(--text);min-height:100vh}.shell{width:min(1080px,calc(100% - 32px));margin:0 auto;padding:42px 0}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}.brand{padding:34px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(79,124,255,.95),rgba(124,58,237,.92));color:white;box-shadow:var(--shadow);position:relative;overflow:hidden}.brand:after{content:"";position:absolute;right:-70px;top:-70px;width:210px;height:210px;border-radius:50%;background:rgba(255,255,255,.17)}.eyebrow{font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;opacity:.85}.brand h1{font-size:48px;line-height:1.05;margin:18px 0 12px}.brand p{font-size:16px;line-height:1.8;opacity:.9;max-width:560px}.card{background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.72);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.login-card{display:flex;flex-direction:column;justify-content:center}.label{font-size:13px;font-weight:700;color:#374151;margin:0 0 8px}.input{width:100%;border:1px solid var(--line);border-radius:16px;padding:15px 16px;font-size:16px;outline:none;background:#fff;color:var(--text);transition:.18s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,124,255,.13)}.btn{border:0;border-radius:16px;padding:14px 18px;font-weight:800;font-size:15px;cursor:pointer;background:#eef2ff;color:#30406a;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:white;box-shadow:0 12px 28px rgba(79,124,255,.28)}.btn.ghost{background:#f3f5fa}.btn.danger{background:#fee2e2;color:#991b1b}.row{display:flex;gap:12px;align-items:center}.mt{margin-top:16px}.muted{color:var(--muted)}.workspace{margin-top:26px;display:grid;grid-template-columns:380px 1fr;gap:22px}.mailbox-display{padding:18px;border-radius:20px;background:#f8faff;border:1px solid #edf1fb}.mailbox-address{font-family:"SFMono-Regular",Consolas,monospace;font-size:18px;font-weight:800;word-break:break-all}.timer{height:10px;background:#e9edf7;border-radius:99px;overflow:hidden;margin-top:14px}.timer span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ok),var(--primary));transition:width .4s}.inbox-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.email-list{display:flex;flex-direction:column;gap:10px}.email-item{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff;cursor:pointer}.email-item:hover{border-color:#c8d4ff}.email-item strong{display:block;margin-bottom:5px}.email-meta{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}.empty{padding:42px 18px;text-align:center;color:var(--muted);border:1px dashed #ccd5e8;border-radius:20px;background:#fafcff}.detail{white-space:pre-wrap;line-height:1.75;background:#0f172a;color:#e5e7eb;border-radius:18px;padding:18px;max-height:480px;overflow:auto}.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:99px;background:#eef2ff;color:#34407a;font-size:12px;font-weight:800}#toast{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:10}.toast{padding:12px 14px;border-radius:14px;background:#111827;color:white;box-shadow:var(--shadow);font-size:14px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.logo{font-weight:900;font-size:22px}.logout{font-size:13px;color:var(--muted);cursor:pointer}@media(max-width:880px){.hero,.workspace{grid-template-columns:1fr}.brand h1{font-size:36px}.shell{padding:24px 0}.row{flex-direction:column}.row .btn{width:100%}}