:root{--bg: #0c0c0f;--surface: #141419;--surface2: #1c1c24;--border: #2a2a35;--text: #ececf1;--muted: #8b8b9a;--red: #eb0028;--red-dim: rgba(235, 0, 40, .15);--green: #22c55e;--amber: #f59e0b;--blue: #3b82f6;--radius: 10px;font-family:IBM Plex Sans,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}#root{min-height:100vh}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.login-card{width:min(420px,100%);background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.75rem}.login-card h1{margin-bottom:.35rem}.login-card input{width:100%}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.5rem}.brand{font-weight:700;font-size:1.1rem;letter-spacing:-.02em;margin-bottom:1rem;padding:0 .5rem}.brand span{color:var(--red)}.nav-btn{text-align:left;background:transparent;border:none;color:var(--muted);padding:.65rem .75rem;border-radius:var(--radius);cursor:pointer;font:inherit;font-weight:500}.nav-btn:hover{background:var(--surface2);color:var(--text)}.nav-btn.active{background:var(--red-dim);color:var(--text)}.main{padding:1.5rem 2rem;overflow:auto}h1{margin:0 0 .25rem;font-size:1.5rem}.sub{color:var(--muted);margin:0 0 1.5rem;font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.card h2{margin:0 0 1rem;font-size:1rem}.grid-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}.stat{background:var(--surface2);border-radius:var(--radius);padding:1rem}.stat .label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.stat .value{font-size:1.75rem;font-weight:700;margin-top:.25rem}.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1rem}input,select,textarea{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.5rem .75rem;font:inherit}textarea{width:100%;min-height:120px;resize:vertical}label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem}.field{margin-bottom:.75rem;flex:1;min-width:160px}.btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:.5rem .9rem;border-radius:8px;cursor:pointer;font:inherit;font-weight:500}.btn:hover{border-color:var(--muted)}.btn-primary{background:var(--red);border-color:var(--red);color:#fff}.btn-primary:hover{filter:brightness(1.08)}.btn-danger{color:#fca5a5;border-color:#7f1d1d}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:.75rem;text-transform:uppercase}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-sent{background:#22c55e26;color:var(--green)}.badge-failed{background:#ef444426;color:#f87171}.badge-pending{background:#f59e0b26;color:var(--amber)}.badge-inactive{background:var(--surface2);color:var(--muted)}.badge-active{background:var(--red-dim);color:#fda4af}.error-banner{background:#ef44441f;border:1px solid #7f1d1d;color:#fecaca;padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem}.progress-bar{height:8px;background:var(--surface2);border-radius:4px;overflow:hidden;margin-top:.5rem}.progress-fill{height:100%;background:linear-gradient(90deg,var(--red),#ff4d6d);transition:width .3s ease}.tabs{display:flex;gap:.25rem;margin-bottom:1rem}.tabs button{composes:btn}.split{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;flex-wrap:wrap}.split{grid-template-columns:1fr}}