:root{--font:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--bg:#f6f7f9;--surface:#fff;--surface-2:#f0f2f5;--text:#1a1d21;--muted:#6b7280;--border:#e3e6ea;--primary:#2f6feb;--primary-contrast:#fff;--success:#1f9d55;--warning:#c47f17;--danger:#d64545;--info:#3b7dd8;--radius:10px;--radius-sm:6px;--shadow:0 1px 2px #1018280f, 0 1px 3px #1018281a;--space:16px}:root[data-theme=dark]{--bg:#0f1216;--surface:#171b21;--surface-2:#1e242c;--text:#e6e9ee;--muted:#9aa4b2;--border:#2a313a;--primary:#5b8def;--shadow:0 1px 2px #0000004d, 0 1px 3px #0006}*{box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-size:14px;line-height:1.5}h1{margin:0 0 .25em;font-size:1.5rem}h2{margin:0 0 .5em;font-size:1.15rem}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.app-shell{grid-template-columns:220px 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--space)}.grid{gap:var(--space);display:grid}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media (width<=720px){.grid-4,.grid-2{grid-template-columns:1fr 1fr}}.btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-size:14px;display:inline-flex}.btn:hover{background:var(--surface-2)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--primary-contrast);border-color:#0000}.btn-primary:hover{filter:brightness(1.05);background:var(--primary)}.btn-danger{background:var(--danger);color:#fff;border-color:#0000}.input,.select{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;color:var(--text);padding:8px 10px;font-size:14px}.field{margin-bottom:12px}.field label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}.field .error{color:var(--danger);margin-top:4px;font-size:12px}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}.table th{color:var(--muted);text-transform:uppercase;letter-spacing:.03em;font-size:12px;font-weight:600}.table-wrap{overflow-x:auto}.badge{border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-queued{background:var(--surface-2);color:var(--muted)}.badge-sent{color:var(--info);background:#e6f0ff}.badge-delivered,.badge-read{color:var(--success);background:#e4f6ea}.badge-failed{color:var(--danger);background:#fbe6e6}.badge-unknown{color:var(--warning);background:#fff3e0}:root[data-theme=dark] .badge-sent{background:#1a2b47}:root[data-theme=dark] .badge-delivered,:root[data-theme=dark] .badge-read{background:#14301f}:root[data-theme=dark] .badge-failed{background:#3a1c1c}:root[data-theme=dark] .badge-unknown{background:#3a2c14}.muted{color:var(--muted)}.stat{font-size:2rem;font-weight:700}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.state{text-align:center;color:var(--muted);padding:40px 16px}.spinner{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.auth-wrap{place-items:center;min-height:100vh;padding:16px;display:grid}.auth-card{width:100%;max-width:360px}.stepper{margin-bottom:var(--space);flex-wrap:wrap;align-items:center;gap:8px;display:flex}.stepper__item{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.stepper__num{background:var(--surface-2);border-radius:50%;place-items:center;width:22px;height:22px;font-size:12px;font-weight:600;display:grid}.stepper__item.is-active{color:var(--text);font-weight:600}.stepper__item.is-active .stepper__num{background:var(--primary);color:var(--primary-contrast)}.stepper__item.is-done .stepper__num{background:var(--success);color:#fff}.stepper__sep{background:var(--border);flex:1;min-width:16px;height:1px}.field-help{color:var(--muted);margin-top:4px;font-size:12px}.field-help a{font-size:12px}.input-secret{gap:6px;display:flex}.input-secret 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