*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;background:#f0f2f5;color:#1a1a2e;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}

.container{max-width:1100px;margin:0 auto;padding:0 20px;width:100%}

header{background:linear-gradient(135deg,#0d47a1,#1565c0);color:#fff;padding:20px 0;box-shadow:0 2px 12px rgba(0,0,0,.15)}
header .logo{display:flex;align-items:center;gap:14px}
.logo-icon{width:48px;height:48px;background:rgba(255,255,255,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff}
header h1{font-size:22px;font-weight:700;margin:0}
header .tagline{font-size:13px;opacity:.85;margin:2px 0 0}

.main-grid{display:grid;grid-template-columns:1fr 340px;gap:28px;padding-top:28px;padding-bottom:40px;flex:1}

.content-area{min-width:0}
.newsletter-content{background:#fff;border-radius:10px;box-shadow:0 1px 6px rgba(0,0,0,.06);overflow:hidden}
.newsletter-content table{max-width:100%!important;width:100%!important;box-shadow:none!important}
.newsletter-content td{word-break:break-word}

.empty-state{background:#fff;border-radius:10px;padding:60px 40px;text-align:center;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.empty-icon{font-size:48px;margin-bottom:16px}
.empty-state h2{font-size:20px;color:#0d47a1;margin-bottom:8px}
.empty-state p{color:#666;font-size:15px;max-width:400px;margin:0 auto}

.sidebar{display:flex;flex-direction:column;gap:20px}

.subscribe-card,.archive-card{background:#fff;border-radius:10px;padding:24px;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.subscribe-card h3,.archive-card h3{font-size:16px;color:#0d47a1;margin-bottom:8px}
.subscribe-card p{font-size:14px;color:#666;margin-bottom:16px}

#subscribe-form{display:flex;flex-direction:column;gap:10px}
#email-input{padding:10px 14px;border:1.5px solid #ddd;border-radius:8px;font-size:14px;outline:none;transition:border-color .2s}
#email-input:focus{border-color:#1976d2}
#subscribe-btn{padding:10px;background:#0d47a1;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}
#subscribe-btn:hover{background:#1565c0}
#subscribe-btn:disabled{opacity:.6;cursor:not-allowed}

.message{padding:10px;border-radius:6px;font-size:13px;margin-top:4px}
.message.success{background:#e8f5e9;color:#2e7d32}
.message.error{background:#ffebee;color:#c62828}
.hidden{display:none}

.archive-list{list-style:none}
.archive-list li{border-bottom:1px solid #f0f0f0}
.archive-list li:last-child{border-bottom:none}
.archive-list a{display:block;padding:10px 0;text-decoration:none;transition:background .15s}
.archive-list a:hover{background:#f8f9fa;border-radius:4px;padding-left:6px}
.archive-date{display:block;font-size:12px;color:#888;font-weight:500}
.archive-title{display:block;font-size:13px;color:#333;margin-top:2px}

footer{background:#1a1a2e;color:rgba(255,255,255,.6);text-align:center;padding:16px 0;font-size:13px;margin-top:auto}

@media(max-width:768px){
    .main-grid{grid-template-columns:1fr;gap:20px}
    header h1{font-size:18px}
}