*{box-sizing:border-box}
:root{
  --bg:#0b0f1a;
  --panel:#0f1625;
  --text:#e9ecf1;
  --muted:#9fb0c4;
  --accent1: 255 100 200;
  --accent2: 50 180 255;
  --accent3: 120 255 200;
  --ring: 255 255 255;
  --glow: drop-shadow(0 0 10px rgba(var(--accent2),0.35)) drop-shadow(0 0 30px rgba(var(--accent1),0.2));
}

html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(var(--accent1),0.06), transparent 60%),
              radial-gradient(1000px 600px at 110% 10%, rgba(var(--accent2),0.07), transparent 60%),
              radial-gradient(800px 1000px at 0% 100%, rgba(var(--accent3),0.05), transparent 60%),
              var(--bg);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.bg-orb{position:fixed; inset:0; pointer-events:none; mix-blend-mode:screen; opacity:.5; filter: blur(80px)}
.orb-1{background: radial-gradient(circle at 15% 10%, rgba(var(--accent1),0.15), transparent 40%)}
.orb-2{background: radial-gradient(circle at 85% 20%, rgba(var(--accent2),0.15), transparent 40%)}
.orb-3{background: radial-gradient(circle at 50% 90%, rgba(var(--accent3),0.12), transparent 40%)}

.topbar{
  display:flex; justify-content:space-between; align-items:center;
  padding:20px clamp(16px,3vw,32px);
  position:sticky; top:0; backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(15,22,37,.85), rgba(15,22,37,.35));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar h1{font-size:clamp(18px,3vw,28px); margin:0; letter-spacing:0.5px}
.topbar .by{font-weight:600; opacity:.9; color: rgb(var(--accent2))}
.cta-row{display:flex; gap:10px}

.container{width:min(1100px, 92%); margin:24px auto; display:flex; flex-direction:column; gap:18px}
.grid{display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:18px}

.card{
  background: linear-gradient(180deg, rgba(17,26,44,.9), rgba(12,18,32,.9));
  border:1px solid rgba(255,255,255,.06);
  border-radius:18px; padding:18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  filter: var(--glow);
}

.dropzone{display:grid; place-items:center; min-height:160px; position:relative; overflow:hidden}
.dz-inner{display:grid; place-items:center; gap:10px; padding:20px; text-align:center}
#fileInput{opacity:0; position:absolute; inset:0; cursor:pointer}
.hint{font-weight:600; letter-spacing:.3px}
.small{font-size:12px; color:var(--muted)}

h2{margin:0 0 10px 0; font-size:18px}
.desc{color:var(--muted); margin:0 0 10px 0}

.row{display:flex; gap:10px; align-items:center}
.input{background:#0a1222; color:var(--text); border:1px solid rgba(255,255,255,.08); border-radius:12px; padding:10px 12px; outline:none; width:100%}
.input:focus{border-color: rgb(var(--accent2)); box-shadow: 0 0 0 4px rgba(var(--accent2), .15)}

.btn{
  background: linear-gradient(90deg, rgba(var(--accent2), .9), rgba(var(--accent1), .9));
  border:none; padding:10px 14px; border-radius:14px; color:white; font-weight:700;
  letter-spacing:.3px; cursor:pointer; transition: transform .08s ease, filter .2s ease;
  filter: var(--glow);
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn.ghost{background: transparent; border:1px solid rgba(255,255,255,.12)}

.file-list{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px}
.file-row{
  display:grid; grid-template-columns: 24px 1fr auto; gap:10px;
  padding:10px; border:1px solid rgba(255,255,255,.06); border-radius:12px;
  background: linear-gradient(180deg, rgba(20,28,46,.65), rgba(14,20,36,.65));
  align-items:center;
}
.handle{cursor:grab; user-select:none; opacity:.8}
.file-row.selected{outline:2px solid rgba(var(--accent2), .9)}
.meta{display:flex; flex-direction:column}
.meta .name{font-weight:600}
.meta .info{font-size:12px; color:var(--muted)}
.row-actions{display:flex; gap:8px}
.row-actions button{font-size:12px; padding:8px 10px}

.tips{margin:0; padding-left:20px; color:var(--muted); display:grid; gap:6px}

.footer{
  display:flex; align-items:center; justify-content:space-between;
  padding:28px clamp(16px,3vw,32px); color:var(--muted);
  border-top:1px solid rgba(255,255,255,.06);
}