:root{ --bg:#0b0f14; --card:#121824; --muted:#93a1b1; --text:#e6edf3; --accent:#4cc9f0; --accent2:#80ed99; --danger:#ff6b6b; }
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0; font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial;
  background:radial-gradient(1200px 800px at 20% -20%, #162033 0, transparent 60%), var(--bg);
  color:var(--text);
}
.container{ max-width:980px; margin:32px auto; padding:0 16px; }
header h1{ margin:0 0 8px; font-size:clamp(24px, 3vw, 34px); }
.muted{ color:var(--muted); }
.card{ background:var(--card); border:1px solid #1e2636; border-radius:16px; padding:16px; box-shadow:0 6px 24px rgba(0,0,0,.25); }
label{ display:block; margin-bottom:8px; color:#c7d0dc; }
.row{ display:flex; gap:8px; }
input[type="url"]{ flex:1; padding:12px 14px; border-radius:12px; border:1px solid #2a354a; background:#0f1522; color:var(--text); outline:none; }
input[type="url"]:focus{ border-color:var(--accent); box-shadow:0 0 0 3px rgba(76,201,240,.15); }
button{ padding:12px 14px; border:0; border-radius:12px; background:linear-gradient(135deg, var(--accent), #6495ed); color:#0b0f14; font-weight:700; cursor:pointer; transition:transform .05s ease; }
button:active{ transform:translateY(1px); }
button.secondary{ background:#243047; color:#cbd5e1; font-weight:600; }
.hint{ display:block; margin-top:8px; color:#9fb3c8; }
.hidden{ display:none; }
.toolbar{ display:flex; gap:8px; align-items:center; margin-bottom:12px; }
.meta{ font-size:14px; color:#c6d2df; display:grid; gap:8px; }
.statline{ display:flex; gap:16px; flex-wrap:wrap; }
.filelist, .warnlist{ margin:8px 0 0 16px; }
.error{ background:#2a0f14; border:1px solid #61202a; color:#ffd7de; padding:10px 12px; border-radius:10px; }
.spinner{ padding:10px 12px; border:1px dashed #2f3a52; border-radius:10px; display:inline-block; opacity:.9; }
.code{ background:#0a0f18; border-radius:16px; border:1px solid #1e2636; padding:16px; overflow:auto; max-height:60vh; }
code{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:13px; }
footer{ margin-top:20px; color:#93a1b1; }
@media (max-width:640px){ .row{ flex-direction:column; } button{ width:100%; } }