:root{--brand:#294392;--bg:#f5f6f8;--border:#dfe3e8;--danger:#a32727;--ok:#176b3a}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:#1f2933}
.wrap{width:min(1120px,92%);margin:auto}.site-header,.admin-header{background:var(--brand);color:#fff;padding:18px 0}.brand{color:#fff;text-decoration:none;font-size:22px;font-weight:700}
.admin-nav{display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-nav nav{display:flex;gap:15px;flex-wrap:wrap}.admin-nav a{color:#fff;text-decoration:none}
main.wrap{padding:30px 0}.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:22px;box-shadow:0 3px 14px rgba(0,0,0,.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.stat{font-size:30px;font-weight:700;color:var(--brand)}
label{display:block;font-weight:700;margin:14px 0 6px}input[type=text],input[type=email],input[type=password],input[type=datetime-local],textarea,select{width:100%;padding:11px;border:1px solid #cbd2d9;border-radius:7px;background:#fff}
textarea{min-height:140px}.btn,button{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:7px;padding:10px 15px;text-decoration:none;cursor:pointer;font-weight:700}.btn.secondary{background:#5d6773}.btn.danger{background:var(--danger)}.btn.ok{background:var(--ok)}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.flash{padding:12px 14px;border-radius:8px;margin-bottom:14px}.flash.success{background:#dff4e7;color:#155d34}.flash.error{background:#fde7e7;color:#8c1f1f}.flash.info{background:#e9f0ff;color:#24457a}
table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--border);vertical-align:top}th{background:#f1f3f5}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e7ebef}.badge.active,.badge.sent{background:#dff4e7;color:#155d34}.badge.unsubscribed,.badge.failed{background:#fde7e7;color:#8c1f1f}.badge.scheduled{background:#e9f0ff;color:#24457a}
.site-footer{padding:28px 0;background:#222;color:#ddd;margin-top:30px}
.hero{text-align:center;padding:35px 0}.hero h1{font-size:clamp(32px,5vw,52px);margin:.2em 0}.muted{color:#69727d}.small{font-size:13px}.editor-toolbar{display:flex;flex-wrap:wrap;gap:5px;border:1px solid #cbd2d9;border-bottom:0;padding:8px;background:#f6f7f9;border-radius:7px 7px 0 0}.editor-toolbar button{padding:6px 9px;background:#fff;color:#222;border:1px solid #ccd3da}.editor{min-height:360px;background:#fff;border:1px solid #cbd2d9;border-radius:0 0 7px 7px;padding:18px;overflow:auto}.editor img{max-width:100%;height:auto}.preview-frame{width:100%;min-height:650px;border:1px solid var(--border);background:#fff}
@media(max-width:720px){.admin-nav{align-items:flex-start;flex-direction:column}table{display:block;overflow-x:auto}}