:root {
  --bg: #0f1115;
  --card: #171a21;
  --card-2: #1e222b;
  --line: #2a2f3a;
  --text: #e8ebf0;
  --muted: #9aa3b2;
  --accent: #e1306c;      /* Instagram-ish */
  --accent-2: #f77737;
  --ok: #3ddc97;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.hero {
  padding: 48px 20px 24px;
  text-align: center;
  background: radial-gradient(1200px 400px at 50% -120px, rgba(225,48,108,.22), transparent 70%);
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 6vw, 44px);
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0 auto 14px;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(15px, 3.5vw, 18px);
}

.privacy {
  display: inline-block;
  margin: 0;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(61,220,151,.08);
  color: var(--ok);
  font-size: 14px;
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin: 16px 0;
}

#dropzone {
  border: 2px dashed var(--line);
  border-radius: 14px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: var(--card-2);
}

#dropzone:hover, #dropzone.drag {
  border-color: var(--accent);
  background: rgba(225,48,108,.06);
}

.dz-icon { font-size: 26px; color: var(--accent); }
.dz-title { margin-top: 6px; font-weight: 600; }
.dz-sub { margin-top: 6px; color: var(--muted); font-size: 13px; }

.controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.ctl { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }

select {
  width: 100%;
  padding: 10px 12px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  appearance: none;
}

select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  font: inherit;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  cursor: pointer;
}

button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }

button.primary {
  width: 100%;
  margin-top: 4px;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
}

.status { margin-top: 14px; color: var(--muted); font-size: 14px; min-height: 20px; }

.bar { height: 6px; background: var(--card-2); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .2s; }

.out-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.out-head h2 { margin: 0; font-size: 18px; }
.out-actions { display: flex; gap: 8px; }

#output {
  width: 100%;
  min-height: 240px;
  margin-top: 12px;
  padding: 14px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.6;
  resize: vertical;
}

.hint { color: var(--muted); font-size: 13px; margin: 10px 0 0; }

.prose h2 { font-size: 17px; margin: 18px 0 6px; }
.prose p { color: var(--muted); margin: 6px 0; }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 48px; }

@media (max-width: 620px) {
  .controls { grid-template-columns: 1fr; }
  .out-head { flex-direction: column; align-items: stretch; }
  .out-actions button { flex: 1; }
  button.primary { padding: 14px; font-size: 17px; }
}