:root{
  --bg1:#0b1020; --bg2:#101a3a;
  --card:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.16);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.75);
  --accent:#ffd166;
  --shadow: 0 18px 55px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(1100px 600px at 12% 10%, rgba(255,209,102,.14), transparent 55%),
    radial-gradient(900px 560px at 92% 28%, rgba(255,43,176,.10), transparent 55%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
  min-height:100vh;
  padding: 28px 16px;
}

.container{max-width:1100px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:14px}
h1{margin:0;font-size:22px}
.sub{margin:6px 0 0;color:var(--muted);font-size:13px}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
  margin: 12px 0;
}

.alert{
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  margin: 10px 0;
  color: var(--muted);
}
.alert.success{border-color: rgba(62,224,122,.35); background: rgba(62,224,122,.10); color:#d9ffe7}
.alert.error{border-color: rgba(255,77,109,.35); background: rgba(255,77,109,.10); color:#ffe0e8}

input[type=file]{
  width:100%;
  padding:10px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
  color: var(--muted);
}

button, .btn{
  display:inline-block;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding:10px 14px;
  border-radius:14px;
  cursor:pointer;
  font-weight:800;
  text-decoration:none;
}
button:hover, .btn:hover{background: rgba(255,255,255,.10)}
.btn.primary{border-color: rgba(255,209,102,.35); background: rgba(255,209,102,.12)}
.btn.alt{background: rgba(0,0,0,.12)}
.btn.outline{background: transparent}

.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}

.table-wrap{overflow:auto;border-radius:14px;border:1px solid var(--line);background: rgba(0,0,0,.12)}
table{width:100%;border-collapse:collapse}
th, td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.10);text-align:left}
th{color:var(--muted);font-size:13px}
td{color:var(--text)}