:root{--bg:#0b1020;--panel:#121833;--muted:#9aa7c7;--text:#eaf0ff;--primary:#4a7cff;--primary-600:#345fe6;--danger:#ff5c74;--radius:14px;--shadow:0 8px 24px rgba(0,0,0,.2)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:radial-gradient(1200px 700px at -10% -20%,#1a2248 0%,#0b1020 45%),radial-gradient(1200px 700px at 110% 120%,#162048 0%,#0b1020 35%);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:1080px;margin:0 auto;padding:20px}
.topbar{position:sticky;top:0;background:rgba(10,15,28,.7);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{font-weight:700;letter-spacing:.3px;color:var(--text);text-decoration:none}
.nav{display:flex;gap:16px;align-items:center}
.nav-link{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:10px}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.danger{color:var(--danger)}
.lang-switch{display:flex;gap:6px;margin-left:8px}
.lang{color:var(--muted);text-decoration:none;border:1px solid rgba(255,255,255,.1);padding:4px 8px;border-radius:10px;font-size:12px}
.lang.active{background:rgba(255,255,255,.08);color:var(--text)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card-title{font-weight:700;margin:0 0 6px 0}
.card-body{color:var(--muted)}
.card-actions{display:flex;gap:8px;margin-top:8px}
.muted{color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.form-grid label{display:flex;flex-direction:column;gap:8px}
.form-grid input,.form-grid textarea{background:#0c142d;border:1px solid rgba(255,255,255,.08);color:var(--text);border-radius:12px;padding:10px}
.form-grid .col-span-2{grid-column:span 2}
.btn{display:inline-block;background:rgba(255,255,255,.06);color:var(--text);text-decoration:none;border:none;border-radius:12px;padding:10px 14px;cursor:pointer}
.btn:hover{background:rgba(255,255,255,.10)}
.btn.primary{background:linear-gradient(180deg,var(--primary),var(--primary-600));}
.btn.primary:hover{filter:brightness(1.05)}
.btn.danger{background:linear-gradient(180deg,var(--danger),#e34963)}
.flash-area{margin:16px 0;display:grid;gap:8px}
.flash{padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}
.flash.success{background:rgba(76,175,80,.15);border-color:rgba(76,175,80,.25)}
.flash.error{background:rgba(244,67,54,.15);border-color:rgba(244,67,54,.25)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumbs img{width:72px;height:72px;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.08)}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}.row-between{flex-direction:column;align-items:flex-start}}