:root{--accent: #f97316;--accent-soft: #fff4ec;--accent-hover: #ea580c;--text: #0f172a;--muted: #64748b;--border: #e5e7eb;--bg: #f8fafc;--card: #ffffff;--radius: 8px;--shadow: 0 1px 2px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased}h1{font-size:20px;font-weight:600;margin:0 0 4px}.muted{color:var(--muted)}.small{font-size:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.btn{font:inherit;font-weight:500;padding:7px 14px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer}.btn:hover{background:#f1f5f9}.btn:disabled{opacity:.6;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-hover)}.btn.block{width:100%;padding:10px 14px}.center-screen{min-height:100%;display:flex;align-items:center;justify-content:center}.signin{width:360px;padding:36px 32px;text-align:center}.signin p{margin:6px 0 24px}.wordmark{font-size:32px;font-weight:700;letter-spacing:.08em;color:var(--accent)}.shell{display:flex;min-height:100%}.sidebar{width:220px;background:#fff;border-right:1px solid var(--border);padding:16px 12px;flex-shrink:0}.brand{font-weight:700;letter-spacing:.08em;color:var(--accent);font-size:18px;padding:4px 10px 18px}.nav-item{display:block;padding:8px 10px;margin-bottom:2px;border-radius:6px;border-left:3px solid transparent;color:var(--text);text-decoration:none;font-weight:500}.nav-item:hover{background:#f1f5f9}.nav-item.active{background:var(--accent-soft);border-left-color:var(--accent);color:var(--accent-hover)}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:56px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.tenant{font-weight:600}.topbar-right{display:flex;align-items:center;gap:14px}.content{padding:24px}.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.table-card{overflow:hidden}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:12px;font-weight:600;color:var(--muted);background:#f8fafc;text-transform:uppercase;letter-spacing:.03em}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#fafafa}.num{text-align:right;font-variant-numeric:tabular-nums}.empty{padding:40px 24px;text-align:center}.error{padding:12px 16px;color:#b91c1c;background:#fef2f2;border-bottom:1px solid #fecaca}.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500;text-transform:capitalize}.pill.inbound{background:#dbeafe;color:#1d4ed8}.pill.outbound{background:#fef3c7;color:#b45309}.pill.internal{background:#e5e7eb;color:#374151}