* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: #0f1115;
  color: #e6e6e6;
}

.topbar {
  background: #171a21;
  padding: 16px 24px;
  border-bottom: 1px solid #262a33;
}

.brand {
  font-size: 20px;
  font-weight: 700;
}

.tag {
  font-size: 11px;
  background: #16a34a;
  color: white;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 8px;
  vertical-align: middle;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.card {
  background: #171a21;
  border: 1px solid #262a33;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  font-size: 18px;
  color: #7dd3fc;
}

.hint {
  color: #9aa0aa;
  font-size: 13px;
  margin-top: -8px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

input[type="text"], input[type="number"], select, textarea {
  background: #0f1115;
  border: 1px solid #2c313c;
  color: #e6e6e6;
  padding: 10px 12px;
  border-radius: 8px;
  width: 100%;
  font-size: 14px;
}

input[type="file"] {
  color: #e6e6e6;
}

textarea {
  resize: vertical;
  font-family: inherit;
}

.btn {
  background: #2c313c;
  color: #e6e6e6;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
}

.btn:hover { background: #383f4d; }

.btn.primary { background: #2563eb; }
.btn.primary:hover { background: #1d4ed8; }

.btn.large { padding: 12px 26px; font-size: 15px; }
.btn.small { padding: 6px 10px; font-size: 13px; }

.btn.danger { background: #7f1d1d; }
.btn.danger:hover { background: #991b1b; }

.status { font-size: 13px; color: #9aa0aa; }

.advanced {
  margin: 10px 0 16px;
  border: 1px solid #262a33;
  border-radius: 8px;
  padding: 10px 14px;
}

.advanced summary {
  cursor: pointer;
  color: #7dd3fc;
  font-size: 14px;
  font-weight: 600;
}

.sliders { gap: 20px; margin-top: 12px; }

.slider-group { flex: 1; min-width: 150px; }

.slider-group label {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
  color: #9aa0aa;
}

input[type="range"] { width: 100%; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #cfd3da;
  width: auto;
}

audio { width: 100%; margin-bottom: 10px; }

.recent-list { list-style: none; padding: 0; margin: 0; }

.recent-list li {
  padding: 10px;
  border-bottom: 1px solid #262a33;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  gap: 10px;
}

.recent-list li:last-child { border-bottom: none; }

.recent-list a { color: #7dd3fc; text-decoration: none; }