:root{--text:#3b3a45;--text-h:#08060d;--muted:#8a8794;--bg:#f6f6f8;--panel:#fff;--border:#e5e4e7;--accent:#7b2ff7;--accent-bg:#7b2ff714;--unread:#faf7ff;--danger:#c0322b;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text-h);border-radius:8px;padding:8px 14px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.ghost{background:0 0;border-color:#0000}button:disabled{opacity:.55;cursor:default}input,select,textarea{font:inherit;border:1px solid var(--border);background:var(--panel);width:100%;color:var(--text-h);border-radius:8px;padding:8px 10px}.muted{color:var(--muted)}.small{font-size:12px}.pad{padding:24px}.error{color:var(--danger);margin:4px 0}.brand{color:var(--accent);letter-spacing:-.02em;font-weight:700}.boot{place-items:center;height:100vh;display:grid}.login-wrap{place-items:center;min-height:100vh;padding:16px;display:grid}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:14px;width:100%;max-width:360px;padding:28px;display:flex;box-shadow:0 10px 30px #0000000f}.login-card h1{margin:0;font-size:26px}.login-card label,.modal label{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.app{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 16px;display:flex}.topbar .brand{font-size:18px}.topbar .spacer{flex:1}.layout{flex:1;grid-template-columns:220px 360px 1fr;min-height:0;display:grid}.sidebar{border-right:1px solid var(--border);background:var(--panel);flex-direction:column;gap:6px;padding:12px;display:flex}.nav{text-align:left;background:0 0;border:none;border-radius:8px}.nav.active{background:var(--accent-bg);color:var(--accent);font-weight:600}.unread-toggle{align-items:center;gap:8px;padding:8px 4px;font-size:13px;display:flex}.unread-toggle input{width:auto}.mailbox-list{flex-direction:column;gap:6px;margin-top:16px;display:flex}.mailbox-chip{background:var(--bg);word-break:break-all;border-radius:6px;padding:4px 8px;font-size:12px}.list{border-right:1px solid var(--border);background:var(--panel);overflow-y:auto}.row{text-align:left;border-bottom:1px solid var(--border);cursor:pointer;background:0 0;flex-direction:column;gap:4px;width:100%;padding:12px 16px 12px 28px;display:flex;position:relative}.row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.row.selected{background:var(--accent-bg)}.row.unread{background:var(--unread)}.row.unread .row-from,.row.unread .row-subject{color:var(--text-h);font-weight:700}.row-top{justify-content:space-between;gap:8px;display:flex}.row-from{color:var(--text-h);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.row-subject{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.row .dot{border:1px solid var(--border);background:0 0;border-radius:50%;width:10px;height:10px;padding:0;position:absolute;top:16px;left:8px}.row.unread .dot{background:var(--accent);border-color:var(--accent)}.reader{padding:0;overflow-y:auto}.detail{padding:24px}.detail-subject{color:var(--text-h);margin:0 0 12px}.detail-meta{border-bottom:1px solid var(--border);flex-direction:column;gap:2px;padding-bottom:16px;font-size:13px;display:flex}.attachments{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:8px;padding:12px 0;display:flex}.attachment{background:var(--bg);color:var(--text-h);border-radius:8px;padding:6px 10px;font-size:13px;text-decoration:none}.detail-body{padding-top:16px}.text-body{white-space:pre-wrap;word-break:break-word;font:inherit;margin:0}.html-body{border:none;width:100%;min-height:420px}.modal-overlay{z-index:10;background:#0006;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--panel);border-radius:14px;flex-direction:column;gap:12px;width:100%;max-width:600px;max-height:90vh;padding:20px;display:flex;overflow-y:auto}.modal-head{justify-content:space-between;align-items:center;display:flex}.modal-head h2{margin:0}.icon-btn{background:0 0;border:none;font-size:16px}.modal-foot{justify-content:flex-end;gap:8px;display:flex}.admin{min-height:100vh}.admin-body{flex-direction:column;gap:20px;max-width:820px;margin:0 auto;padding:24px 16px;display:flex}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px}.card h2{margin:0 0 4px}.admin-list{margin:12px 0;padding:0;list-style:none}.admin-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 0;display:flex}.inline-form{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.inline-form input{flex:1;min-width:160px}.inline-form button{white-space:nowrap}.danger-text{color:var(--danger)}.user-cards{flex-direction:column;gap:12px;margin:12px 0;display:flex}.user-card{border:1px solid var(--border);border-radius:10px;padding:12px 14px}.user-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.user-actions{gap:6px;display:flex}.badge{background:var(--accent-bg);color:var(--accent);border-radius:999px;margin-left:4px;padding:2px 8px;font-size:11px}.badge.off{color:var(--muted);background:#f1f1f3}.mailbox-checks{flex-wrap:wrap;gap:10px 16px;margin-top:10px;display:flex}.check{align-items:center;gap:6px;font-size:13px;display:flex}.check input{width:auto}.user-form{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}.user-form h3{margin:0 0 10px}.user-form-grid{grid-template-columns:2fr 1.5fr 1fr;gap:8px;margin-bottom:10px;display:grid}.user-form>button{margin-top:12px}@media (width<=900px){.layout{grid-template-columns:1fr;grid-auto-rows:min-content}.sidebar{flex-flow:wrap}.reader{display:none}.user-form-grid{grid-template-columns:1fr}}