:root{
--bg:#ffffff;
--muted:#6b7280;
--accent:#ff6b00;
--card:#fff;
--border:#e6e6e6;
}
*{box-sizing:border-box}
body{font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:#111;margin:0}
.wrapper{max-width:980px;margin:24px auto;padding:0 16px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.logo{font-size:28px}
.title{font-weight:700;font-size:18px}
.user{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);padding:20px;border-radius:8px;max-width:520px;margin:30px auto;text-align:left}
h1{margin:0 0 8px}
.muted{color:var(--muted)}
.small{font-size:12px}
input[type="email"],input[type="password"]{width:100%;padding:10px;margin:8px 0 14px;border:1px solid var(--border);border-radius:6px}
.btn{display:inline-block;padding:8px 12px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer}
.btn.primary{background:var(--accent);color:#fff;border-color:transparent}
.btn.ghost{background:transparent}
.row{display:flex;gap:10px;margin-top:8px}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin:18px 0}
.summary{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:10px;border:1px solid var(--border);border-radius:6px}
.files{margin-top:18px}
.file{display:flex;align-items:center;justify-content:space-between;padding:10px;border-bottom:1px solid var(--border)}
.file .meta{display:flex;gap:12px;align-items:center}
.file .meta img{width:56px;height:40px;object-fit:cover;border-radius:6px}
.foot{color:var(--muted);font-size:13px;margin:20px 0;text-align:center}
/* responsive */
@media(max-width:600px){.wrapper{padding:12px}.file .meta img{width:48px;height:34px}}