:root { --bg:#0b0f14; --card:#121923; --txt:#e8eef6; --mut:#9fb0c3; --acc:#4aa3ff; --bad:#ff5b5b; --ok:#3ee07a; }
*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
body{margin:0;background:var(--bg);color:var(--txt)}
.wrap{max-width:720px;margin:0 auto;padding:18px}
header h1{margin:0 0 6px 0;font-size:28px}
header p{margin:0 0 18px 0;color:var(--mut)}
.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:16px;margin:12px 0}
h2{margin:0 0 10px 0;font-size:18px}
.row{display:flex;gap:10px;align-items:center;margin-top:10px}
input{flex:1;padding:12px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:#0f141c;color:var(--txt)}
button,.btn{padding:12px 14px;border-radius:12px;border:0;background:var(--acc);color:#06101b;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}
button:disabled{opacity:.5;cursor:not-allowed}
.ghost{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--txt)}
.drop{position:relative;border:2px dashed rgba(255,255,255,.18);border-radius:16px;padding:18px;min-height:110px;display:flex;align-items:center;justify-content:center;text-align:center}
.drop input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.dropText{color:var(--mut);line-height:1.3}
.status{margin-top:10px;color:var(--mut);min-height:22px}
.result{margin-top:12px}
.big{font-size:18px;font-weight:800}
.small{color:var(--mut);margin-top:6px}
.details{background:#0f141c;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px;overflow:auto;max-height:260px}
.hint{color:var(--mut);margin:8px 0 0 0}
footer{margin-top:20px;color:var(--mut)}
.preview{margin-top:12px;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:10px;background:#0f141c}
.preview img{
  width:100%;
  height:300px;
  object-fit:contain;
  object-position:center;
  display:block;
  border-radius:12px;
  background:#000;
}
.previewMeta{margin-top:8px;color:var(--mut);font-size:13px}
.sourceContext{
  margin:0 0 12px 0;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  border-left:4px solid var(--acc);
  background:#0f1620;
}
.sourceContextTitle{
  margin:0;
  font-size:14px;
  font-weight:700;
  color:#d9e7f7;
}
.sourceContextBody{
  margin:6px 0 0 0;
  font-size:13px;
  color:#b8c7d8;
}
.sourceContextSub{
  margin:6px 0 0 0;
  font-size:13px;
  color:var(--mut);
}