:root{color-scheme:light;--ink: #17202a;--muted: #667789;--line: #d8e1e8;--soft: #f4f7f9;--panel: #ffffff;--accent: #0f766e;--accent-dark: #115e59;--blue: #285a84;--amber: #9a6500;--red: #b42318;--green: #167245;--shadow: 0 14px 36px rgba(23, 32, 42, .09)}*{box-sizing:border-box}body{margin:0;background:#edf2f5;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}a{color:var(--accent-dark)}.shell{min-height:100vh;padding:22px}.tab-bar{max-width:1220px;margin:0 auto 8px;display:flex;gap:4px}.tab{padding:8px 20px;border:1px solid var(--line);border-radius:6px 6px 0 0;background:#e2eaef;color:var(--muted);font-weight:600;font-size:.87rem;cursor:pointer}.tab.active{background:var(--panel);color:var(--ink);border-bottom-color:var(--panel)}.secondary{display:flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--line);border-radius:6px;background:var(--soft);color:var(--ink);font-weight:600;cursor:pointer;width:100%;margin-top:8px}.notice.info{background:#f0f7ff;border-color:#bfdbfe;color:#1e40af}.workbench{max-width:1220px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,#fff,#f6faf9)}.eyebrow{margin:0 0 4px;color:var(--accent-dark);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0}h1{font-size:clamp(28px,4vw,42px);line-height:1.05}h2{font-size:22px}.layout{display:grid;grid-template-columns:320px minmax(0,1fr);min-height:660px}.side-panel{padding:18px;border-right:1px solid 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var(--line);border-radius:999px;font-size:14px;font-weight:800;white-space:nowrap}.status.success{color:var(--green);background:#edf8f1}.status.neutral{color:var(--blue);background:#eef5fb}.empty-state{display:grid;place-items:center;align-content:center;min-height:520px;text-align:center;color:var(--muted)}.empty-state h2{margin-top:12px;color:var(--ink)}.preview-grid,.send-result{display:grid;gap:16px}.send-result{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.count{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:13px;font-weight:800;white-space:nowrap}.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.info{min-height:82px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.info span{display:block;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.info strong{display:block;margin-top:6px;overflow-wrap:anywhere}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}table{width:100%;min-width:760px;border-collapse:collapse}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f6f8fa;color:var(--muted);font-size:12px;text-transform:uppercase}tbody tr:last-child td{border-bottom:0}.doc-link{display:inline-flex;align-items:center;gap:5px;color:var(--accent-dark);font-weight:800;text-decoration:none}.missing{color:var(--amber);font-weight:800}.notice{display:flex;align-items:flex-start;gap:9px;padding:12px;border-radius:8px;font-weight:700}.notice.error{color:var(--red);background:#fff0ed}.notice.warning{color:var(--amber);background:#fff7e6}.message-list{display:grid;gap:8px}.message{display:grid;gap:3px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.message span{color:var(--muted)}@media(max-width:900px){.layout{grid-template-columns:1fr}.side-panel{border-right:0;border-bottom:1px solid var(--line)}.info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.shell{padding:10px}.topbar,.section-head{flex-direction:column;align-items:stretch}.info-grid{grid-template-columns:1fr}}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#eef3f6;padding:24px}.login-card{background:#fff;border:1px solid #d0dce6;border-radius:10px;padding:36px 40px;width:min(420px,100%);box-shadow:0 10px 28px #17212b14}.login-form{display:flex;flex-direction:column;gap:10px}.login-form input[type=email]{padding:10px 12px;border:1px solid #d0dce6;border-radius:6px;font-size:.95rem;font-family:inherit}.login-form input[type=email]:focus{outline:2px solid #0f766e;border-color:#0f766e}.tab-signout{margin-left:auto;display:flex;align-items:center;gap:4px;font-size:.78rem;color:#94a3b8;padding:6px 10px}.tab-signout:hover{color:#475569;background:#f1f5f9}