:root{--brand:#2563eb;--brand2:#7c3aed;--bg:#eef4ff;--card:#fff;--text:#172033;--muted:#687386;--border:#dbe4f0;--ok:#16a34a;--bad:#dc2626;--warn:#d97706}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,#eaf1ff,#f8fbff);color:var(--text)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:275px;background:#0b1630;color:#dbeafe;padding:18px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:10px 8px 24px}.logo{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-weight:800;color:#fff}.brand span{display:block;color:#93a4c7;font-size:12px;margin-top:3px}.sidebar nav a{display:block;padding:12px 14px;border-radius:13px;margin:4px 0;color:#dbeafe}.sidebar nav a:hover{background:#16264b}.sidebar hr{border:0;border-top:1px solid #21345e;margin:14px 0}.main{flex:1;min-width:0}.topbar{padding:22px 28px;display:flex;justify-content:space-between;align-items:center}.topbar h1{margin:0;font-size:27px}.topbar p{margin:5px 0 0;color:var(--muted)}.userchip{background:#fff;border:1px solid var(--border);border-radius:999px;padding:10px 14px;box-shadow:0 8px 24px rgba(18,34,70,.07)}.userchip a{color:var(--brand);margin-left:12px}.content{padding:0 28px 34px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:22px;box-shadow:0 18px 45px rgba(20,42,90,.08);padding:20px;margin-bottom:18px}.stat h3{margin:0;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.stat b{font-size:30px;display:block;margin-top:8px}.card h2{margin:0 0 14px}.form-row{display:grid;grid-template-columns:190px 1fr;gap:14px;align-items:center;margin:13px 0}.form-row label{font-weight:700;color:#344054}.input, input, textarea, select{width:100%;border:1px solid #cbd5e1;border-radius:13px;padding:12px 13px;font:inherit;background:#fff;color:var(--text)}textarea{min-height:130px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;padding:12px 18px;font-weight:800;cursor:pointer}.btn.secondary{background:#e8eefb;color:#1e3a8a}.btn.danger{background:#dc2626}.btn.ok{background:#16a34a}.alert{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;border-radius:15px;padding:13px 15px;margin-bottom:16px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px 13px;text-align:left;border-bottom:1px solid #eef2f7;vertical-align:top}th{font-size:12px;text-transform:uppercase;color:#667085;background:#f8fafc;letter-spacing:.05em}.badge{display:inline-block;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800}.badge.sent,.badge.active{background:#dcfce7;color:#166534}.badge.pending,.badge.sending{background:#fef3c7;color:#92400e}.badge.failed,.badge.suspended{background:#fee2e2;color:#991b1b}.badge.admin{background:#dbeafe;color:#1d4ed8}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{max-width:430px;width:100%;background:#fff;border-radius:26px;padding:28px;box-shadow:0 24px 70px rgba(18,34,70,.16)}.api-box{max-width:780px;margin:auto}.api-head{background:#356a9e;color:#fff;text-align:center;padding:20px;border-radius:12px 12px 0 0;font-weight:900;letter-spacing:.05em}.api-body{background:#fff;padding:28px;border:1px solid var(--border);border-top:0;border-radius:0 0 12px 12px}.inline{display:flex;gap:8px}.switch{position:relative;display:inline-block;width:62px;height:34px}.switch input{display:none}.slider{position:absolute;cursor:pointer;inset:0;background:#c7c7c7;border-radius:999px}.slider:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background:white;border-radius:50%;transition:.2s}input:checked+.slider{background:#18bd78}input:checked+.slider:before{transform:translateX(28px)}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.filters>*{max-width:220px}@media(max-width:900px){.app-shell{display:block}.sidebar{position:relative;width:auto;height:auto}.grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.topbar{display:block}.content{padding:0 14px 24px}}@media(max-width:560px){.grid{grid-template-columns:1fr}.sidebar nav{display:grid;grid-template-columns:1fr 1fr;gap:4px}}