:root{--accent:#2b6cb0;--muted:#666;--bg:#f7f9fc;--card:#fff}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; margin:0; background:var(--bg); color:#222}
img, video{max-width:100%;height:auto}
button, input, textarea, select{font-family:inherit}
.container{max-width:960px;margin:24px auto;padding:16px}
header{background:#fff;box-shadow:0 2px 4px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1000}
nav.main-nav{max-width:1200px;margin:0 auto;padding:15px 20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
nav.main-nav::before{content:"Vee4you";display:inline-flex;align-items:center;gap:10px;font-weight:700;color:#2a5298;background:url('/images/vlogo.png') left center/50px 50px no-repeat;padding-left:60px;height:50px;line-height:50px;margin-right:8px;white-space:nowrap}
nav.main-nav a{margin-right:0;color:#2a5298;text-decoration:none;font-weight:500;padding:8px 12px;border-radius:4px}
nav.main-nav a:hover{color:#667eea;background:rgba(102,126,234,0.1)}
nav.main-nav .nav-user{color:#333;font-weight:500;margin-left:auto}
nav.main-nav .nav-user:empty{display:none}
nav.main-nav [data-logout]{background:#f44336;color:#fff !important;cursor:pointer;border:none;padding:8px 16px}
nav.main-nav [data-logout]:hover{background:#d32f2f}
main{margin-top:18px}
.table-wrap{overflow-x:auto}
.table-wrap table{min-width:600px}
.ads-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;list-style:none;padding:0;margin:0}
.ad-card{background:var(--card);border:1px solid #e6e9ee;padding:12px;border-radius:8px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.ad-card img{max-width:100%;height:auto;border-radius:6px}
.ad-meta{font-size:13px;color:var(--muted);margin-top:8px}
.form-container{background:var(--card);padding:16px;border-radius:8px;border:1px solid #e6e9ee}
.form-row{display:flex;flex-direction:column;margin-bottom:10px}
.form-row label{font-weight:600; margin-bottom:6px}
.form-row input[type="text"], .form-row input[type="date"], .form-row input[type="email"], .form-row input[type="file"], .form-row textarea{padding:8px;border:1px solid #d1d5db;border-radius:6px;width:100%;font-size:14px}
.form-row textarea{min-height:100px}
.btn{background:var(--accent);color:#fff;padding:8px 12px;border:none;border-radius:6px;cursor:pointer;font-weight:600}
.btn.secondary{background:#e6eef8;color:var(--accent)}
.actions{display:flex;gap:8px;align-items:center;margin-top:8px}
.small{font-size:13px;color:var(--muted)}
@media(max-width:900px){
  nav.main-nav{flex-direction:column;align-items:flex-start}
  nav.main-nav .nav-user{margin-left:0}
  main{margin-top:12px}
}
@media(max-width:600px){
  .container{padding:12px}
  nav.main-nav{padding:12px}
  nav.main-nav a{padding:6px 10px;font-size:12px}
  .btn{width:100%}
  .actions{flex-direction:column;align-items:stretch}
  .results-item{flex-direction:column;align-items:flex-start}
  .results-actions{width:100%;flex-wrap:wrap}
  .results-actions .btn{width:auto}
}
@media(max-width:520px){.container{padding:10px}.ad-card{padding:10px}}