:root{--bg: #0f1115;--panel: #171a21;--panel2: #1e222b;--border: #2a2f3a;--text: #e4e6eb;--muted: #8b93a3;--accent: #4c8dff;--ok: #3fb950;--bad: #f85149;--warn: #d29922;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0 0 16px}h2{font-size:16px;margin:0 0 12px}h3{font-size:14px;margin:16px 0 8px;color:var(--muted)}code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}code{background:var(--panel2);padding:1px 4px;border-radius:3px}.layout{display:flex;min-height:100vh}.sidebar{width:200px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.brand{font-weight:700;padding:18px 16px;font-size:16px;display:flex;justify-content:space-between;align-items:center}.menu-btn{display:none}.sidebar 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th{color:var(--muted);font-weight:500;font-size:12px;background:var(--panel2)}table.kv td{padding:5px 12px 5px 0;vertical-align:top}table.kv td:first-child{color:var(--muted);white-space:nowrap}.clip{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nowrap{white-space:nowrap}.center-text{text-align:center}.pager{display:flex;gap:12px;align-items:center;justify-content:center}.status{padding:2px 8px;border-radius:10px;font-size:12px;background:var(--panel2);white-space:nowrap}.status.queued{color:#9ecbff}.status.processing{color:var(--warn)}.status.submitted{color:var(--ok)}.status.failed,.status.bounced{color:var(--bad)}.status.suppressed,.status.cancelled{color:var(--muted)}.badge{padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600}.badge.ok{background:#1f3a26;color:var(--ok)}.badge.bad{background:#3d1f1f;color:var(--bad)}.badge.muted{background:var(--panel2);color:var(--muted)}.muted{color:var(--muted)}.small{font-size:12px}.error{background:#3d1f1f;border:1px solid #6e2b2b;color:#ffb4ae;padding:8px 12px;border-radius:5px;margin:8px 0}.error-text{color:#ff9b94}.success{background:#1f3a26;border:1px solid #2c5a37;color:#aff5b4;padding:8px 12px;border-radius:5px;margin:8px 0}.warn{background:#3a2f12;border:1px solid #6b5518;color:#f0d58a;padding:10px 12px;border-radius:5px;margin-bottom:16px}pre.body{white-space:pre-wrap;background:var(--bg);border:1px solid var(--border);border-radius:5px;padding:12px;margin:0;font-size:13px}.html-preview{width:100%;height:360px;border:1px solid var(--border);border-radius:5px;background:#fff;margin-top:8px}.center{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}.login{width:100%;max-width:360px}.login button{width:100%;margin-top:4px}@media(max-width:800px){.layout{flex-direction:column}.sidebar{width:100%;border-right:0;border-bottom:1px solid var(--border)}.menu-btn{display:block;padding:4px 10px}.sidebar nav,.sidebar .user{display:none}.sidebar.open nav{display:flex;padding-bottom:8px}.content{padding:16px}.grid2,.row3,.row4{grid-template-columns:1fr}}