*{box-sizing:border-box;margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto}
body{background:#0f172a;color:#e2e8f0;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:1rem}
header{background:#1e293b;padding:1rem 0;border-bottom:1px solid #334155}
nav{display:flex;gap:1.2rem;align-items:center;flex-wrap:wrap}
nav a{color:#38bdf8;text-decoration:none}
nav a:hover{color:#7dd3fc}
.card{background:#1e293b;border-radius:10px;padding:1.2rem;margin:1rem 0;border:1px solid #334155}
.btn{display:inline-block;padding:0.5rem 1rem;background:#0284c7;color:#fff;border:none;border-radius:6px;cursor:pointer;text-decoration:none}
.btn:hover{background:#0369a1}
.btn-danger{background:#dc2626}
.btn-danger:hover{background:#b91c1c}
.btn-success{background:#059669}
.btn-success:hover{background:#047857}
input,textarea,select{width:100%;padding:0.6rem;background:#0f172a;border:1px solid #475569;border-radius:6px;color:#fff;margin:0.4rem 0}
.search-wrap{display:flex;gap:0.5rem}
.search-wrap input{flex:1;margin:0}
.hot-tag{display:inline-block;background:#334155;padding:0.3rem 0.6rem;border-radius:99px;margin:0.2rem;color:#94a3b8;font-size:0.9rem}
.hot-tag:hover{background:#475569}
.row{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.alert{padding:1rem;border-radius:8px;margin:1rem 0}
.alert-red{background:#450a0a;border:1px solid #991b1b;color:#fecdd3}
.alert-green{background:#052e16;border:1px solid #166534;color:#bbf7d0}
.vote-group{display:flex;gap:1rem;margin:1rem 0}
.vote-btn{padding:0.5rem 1rem;border-radius:6px;border:1px solid #475569;background:#1e293b;color:#fff;cursor:pointer}
.vote-btn:hover{background:#334155}
.invalid-big{font-size:2rem;color:#ef4444;font-weight:bold;text-align:center;margin:2rem 0}
footer{text-align:center;padding:2rem;color:#64748b;font-size:0.9rem;margin-top:3rem}
@media(max-width:768px){
    .vote-group{flex-wrap:wrap}
}