:root{--bg:#0b1220;--panel:#0f1724;--muted:#9aa4b2;--accent:#4f46e5;--card:#0b1228}
*{box-sizing:border-box}body{font-family:Inter,system-ui,Arial,Helvetica,sans-serif;background:var(--bg);color:#e6eef6;margin:0;padding:20px}
.app{display:flex;max-width:1100px;margin:0 auto;gap:20px}
.panel{width:300px;background:var(--panel);padding:20px;border-radius:12px;box-shadow:0 8px 30px rgba(2,6,23,0.6)}
.panel h2{margin:0 0 10px 0;color:#fff}
.panel input{width:100%;padding:10px;margin:8px 0;border-radius:8px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:#fff}
.panel button{width:100%;padding:10px;border-radius:8px;border:0;background:var(--accent);color:#fff;cursor:pointer}
.small{color:var(--muted);font-size:13px;margin-top:8px}

.main{flex:1;display:flex;flex-direction:column;gap:12px}
.topbar{display:flex;justify-content:space-between;align-items:center}
.topbar .right{display:flex;gap:8px}
.upload-btn{background:linear-gradient(90deg,#3742ff,#7c3aed);padding:8px 12px;border-radius:8px;color:#fff;cursor:pointer}
button{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:8px 10px;border-radius:8px;color:#fff;cursor:pointer}

.dropzone{border:2px dashed rgba(255,255,255,0.06);padding:20px;border-radius:8px;text-align:center;color:var(--muted)}
.dropzone.drag{background:rgba(255,255,255,0.02);border-color:rgba(79,70,229,0.7)}

.files ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.files li{background:var(--panel);padding:12px;border-radius:10px;display:flex;flex-direction:column;gap:8px;box-shadow:0 6px 16px rgba(2,6,23,0.6)}
.row{display:flex;justify-content:space-between;align-items:center}
.file-meta{color:var(--muted);font-size:13px;display:flex;gap:8px;flex-wrap:wrap}
.icon{width:40px;height:40px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#0b1220;background:#fff;margin-right:8px}
.actions{display:flex;gap:6px;margin-top:8px}
.action-btn{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:6px 8px;border-radius:6px;color:#fff;cursor:pointer;font-size:13px}
.filename{font-weight:600;word-break:break-word}
.small-note{color:var(--muted);font-size:12px;margin-top:6px}