:root{--bg: #f4f6f8;--card: #fff;--text: #1a2330;--muted: #64748b;--line: #e2e8f0;--brand: #0f766e;--brand-2: #14b8a6;--ok: #16a34a;--warn: #d97706;--err: #dc2626;--info: #2563eb;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--brand);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#0b1f2a;color:#cbd5e1;padding:20px 14px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{color:#fff;font-weight:700;font-size:16px;margin-bottom:18px;line-height:1.2}.sidebar .brand small{display:block;color:var(--brand-2);font-weight:500;font-size:11px;letter-spacing:.08em}.sidebar a{color:#cbd5e1;padding:9px 12px;border-radius:8px;display:block}.sidebar a.active,.sidebar a:hover{background:#ffffff14;color:#fff}.sidebar .spacer{flex:1}.sidebar button{background:transparent;border:1px solid rgba(255,255,255,.2);color:#cbd5e1}.main{flex:1;padding:24px 28px;max-width:1200px}h1{font-size:22px;margin:0 0 18px}h2{font-size:16px;margin:22px 0 10px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}.card .value{font-size:30px;font-weight:700;margin-top:6px}.card .sub{color:var(--muted);font-size:12px;margin-top:4px}table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;background:#f8fafc}tr:last-child td{border-bottom:0}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#e2e8f0;color:#334155}.badge.online,.badge.sent,.badge.delivered{background:#dcfce7;color:#166534}.badge.busy,.badge.sending,.badge.assigned{background:#dbeafe;color:#1e40af}.badge.queued{background:#fef3c7;color:#92400e}.badge.offline,.badge.expired{background:#f1f5f9;color:#475569}.badge.failed,.badge.disabled{background:#fee2e2;color:#991b1b}button,.btn{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;font-weight:600}button.secondary{background:#e2e8f0;color:var(--text)}button.danger{background:var(--err)}button:disabled{opacity:.5;cursor:default}.actions{display:flex;gap:6px;flex-wrap:wrap}.actions button{padding:5px 10px;font-size:12px}input,textarea,select{width:100%;padding:9px 11px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.code{background:#0b1f2a;color:#e2e8f0;padding:12px 14px;border-radius:10px;font-family:ui-monospace,Menlo,monospace;font-size:13px;white-space:pre-wrap;word-break:break-all}.big{font-size:34px;letter-spacing:.2em;font-weight:800;color:var(--brand)}.alert{padding:10px 14px;border-radius:10px;margin:10px 0}.alert.err{background:#fee2e2;color:#991b1b}.alert.ok{background:#dcfce7;color:#166534}.alert.info{background:#dbeafe;color:#1e40af}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:10}.modal{background:#fff;border-radius:14px;padding:22px;width:min(560px,92vw);max-height:90vh;overflow:auto}.login{min-height:100vh;display:flex;align-items:center;justify-content:center}.login .card{width:360px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;background:#94a3b8}.dot.on{background:var(--ok)}.dot.busy{background:var(--info)}.steps{display:flex;gap:8px;margin:12px 0}.step{flex:1;padding:10px;border-radius:10px;background:#f1f5f9;color:var(--muted);text-align:center;font-weight:600}.step.active{background:#dbeafe;color:#1e40af}.step.done{background:#dcfce7;color:#166534}.step.err{background:#fee2e2;color:#991b1b}.events{list-style:none;padding:0;margin:0}.events li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}.events .t{color:var(--muted);width:150px;flex-shrink:0;font-size:12px}@media(max-width:800px){.layout{flex-direction:column}.sidebar{width:auto;flex-direction:row;flex-wrap:wrap}.grid2{grid-template-columns:1fr}.main{padding:16px}}