:root{
  --red-900:#7f0a12;
  --red-700:#b30d18;
  --red-500:#d21b2a;
  --gray-900:#1b1c22;
  --gray-700:#3a3d46;
  --gray-500:#6b6f7b;
  --gray-300:#cfd2d8;
  --white:#ffffff;
  --glass:rgba(255,255,255,0.75);
  --shadow:0 18px 40px rgba(13,13,20,0.18);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Sora",Arial,sans-serif;
  background:radial-gradient(1200px 700px at 15% 10%, rgba(210,27,42,0.18), transparent 60%),
             radial-gradient(900px 600px at 90% 20%, rgba(179,13,24,0.12), transparent 60%),
             linear-gradient(180deg,#f9fafb 0%,#eef0f4 100%);
  color:var(--gray-900);
  -webkit-font-smoothing:antialiased;
}

.topbar{
  background:linear-gradient(135deg,var(--red-700),var(--red-900));
  color:#fff;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 16px;
  box-shadow:0 10px 30px rgba(127,10,18,0.3);
}
.topbar .logo{font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:10px}
.topbar .logo img{width:28px;height:28px;display:block}
.topbar-user{
  margin-left:auto;
  margin-right:12px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,0.18);
  font-size:12px;
}
.topbar .nav-buttons a{
  margin-left:8px;
  padding:8px 12px;
  border-radius:8px;
  text-decoration:none;
  color:var(--red-700);
  background:rgba(255,255,255,0.92);
  font-weight:700;
  border:1px solid rgba(255,255,255,0.6);
}
.topbar .nav-buttons a:hover{background:#f0f0f0}

.page{max-width:980px;margin:20px auto;padding:0 12px}
.card{
  background:var(--glass);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,0.8);
}

.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.card-head h1{margin:0;font-size:20px}
.actions button{margin-left:8px}

.details .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:10px;align-items:start}
.details .row.full{grid-template-columns:1fr}
.label{font-size:12px;color:var(--gray-500)}
.value{font-size:15px;color:var(--gray-900)}
.multiline{white-space:pre-wrap}

.files-list{display:flex;flex-wrap:wrap;gap:8px}
.files-list a{
  display:inline-block;padding:10px 12px;border-radius:8px;background:var(--red-700);color:#fff;text-decoration:none;font-weight:700;
}
.files-list a:hover{background:var(--red-900)}

.btn{padding:8px 12px;border-radius:8px;border:none;cursor:pointer;font-weight:700}
.btn-edit{background:#eceff3;color:#2d2f36}
.btn-delete{background:var(--red-700);color:#fff}
.btn-save{background:linear-gradient(135deg,var(--red-500),var(--red-700));color:#fff}

.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:2000}
.modal.hidden{display:none}
.modal:not(.hidden){display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(11,12,18,0.55);backdrop-filter:blur(3px);animation:fadeIn .2s ease}
.modal-card{position:relative;background:#fff;border-radius:18px;padding:18px;width:min(92vw,720px);box-shadow:0 20px 40px rgba(9,10,14,0.25);animation:popIn .22s ease;border:1px solid rgba(179,13,24,0.2);z-index:1;max-height:calc(100vh - 48px);overflow-y:auto}
.modal-card.small{width:min(92vw,480px)}
.modal-close{position:sticky;margin-left:auto;top:0;background:transparent;border:none;font-size:22px;cursor:pointer}

form label{display:block;margin-bottom:8px;font-size:12px;color:var(--gray-700);text-transform:uppercase;letter-spacing:.5px}
form input, form textarea{width:100%;padding:8px;border-radius:8px;border:1px solid var(--gray-300);background:#fff}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

.existing-files .file-row{display:flex;justify-content:space-between;align-items:center;background:#f4f5f7;padding:8px;border-radius:6px;margin-bottom:8px;border:1px solid var(--gray-300)}
.existing-files .file-row a{color:var(--gray-900);text-decoration:none}

@media (max-width:700px){
  .details .row{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .card{padding:12px}
}

@keyframes popIn{from{transform:translateY(8px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}