/* Split PDF — Tool-specific styles */

.page { padding: 40px 20px; max-width: 800px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 20px; font-size: 14px; }

.upload-area {
  border: 2px dashed #333; border-radius: 12px;
  text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.upload-area:hover { border-color: #555; background: #0d0d0d; }
.upload-area.dragover { border-color: #ff4444; background: #1a0000; }
.upload-content { padding: 48px 20px; }
.upload-icon { width: 40px; height: 40px; color: #444; margin-bottom: 12px; }
.upload-content p { color: #666; font-size: 14px; margin-bottom: 4px; }
.upload-link { color: #ff4444; cursor: pointer; }
.upload-hint { font-size: 12px; color: #444; }

.options-card { margin-top: 16px; }
.file-info {
  padding: 10px 14px; margin-bottom: 16px;
  background: #161616; border: 1px solid #2a2a2a; border-radius: 6px;
  font-size: 13px; color: #ccc;
}
.opt-group { margin-bottom: 16px; }
.opt-label {
  display: block; font-size: 13px; color: #aaa;
  margin-bottom: 8px; font-weight: 500;
}
.opt-hint {
  font-size: 12px; color: #666; margin-top: 6px;
}
.toggle-row { display: flex; gap: 6px; flex-wrap: wrap; }
.toggle { cursor: pointer; }
.toggle input { display: none; }
.toggle span {
  display: inline-block; padding: 7px 14px;
  background: #161616; border: 1px solid #2a2a2a; border-radius: 6px;
  color: #aaa; font-size: 13px; transition: all 0.15s;
}
.toggle input:checked + span {
  background: #2a0a0a; border-color: #ff4444; color: #fff;
}
#range-input {
  width: 100%; padding: 9px 12px;
  background: #0d0d0d; color: #fff;
  border: 1px solid #2a2a2a; border-radius: 6px;
  font-size: 14px; font-family: 'SF Mono', Monaco, monospace;
}
#range-input:focus { border-color: #ff4444; outline: none; }

.action-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.status-msg { font-size: 13px; margin-left: 8px; }
.status-msg.ok { color: #4caf50; }
.status-msg.err { color: #ff6666; }

@media (max-width: 600px) {
  .page { padding: 24px 12px; }
  .page h1 { font-size: 22px; }
}