.yl-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  align-items: start;
}
.yl-form-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh);
  overflow: hidden;
  position: sticky;
  top: 24px;
}

.toggle-options { display: flex; flex-direction: column; gap: 0; }
.toggle-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: 10px;
  cursor: pointer; transition: background .15s;
}
.toggle-item:hover { background: var(--bg2); }
.toggle-item input[type=checkbox] { display: none; }
.toggle-switch {
  width: 38px; height: 22px; border-radius: 11px;
  background: var(--border); flex-shrink: 0;
  position: relative; transition: background .2s;
}
.toggle-switch::after {
  content: ''; position: absolute;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px;
  transition: transform .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
}
.toggle-item input:checked ~ .toggle-switch { background: var(--p); }
.toggle-item input:checked ~ .toggle-switch::after { transform: translateX(16px); }
.toggle-text span { font-size: 13px; font-weight: 600; color: var(--text); display: block; }
.toggle-text em { font-style: normal; font-size: 11px; color: var(--text3); }
.field-hint { font-size: 10.5px; color: var(--text3); margin-top: 2px; }

.yl-output-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh);
  overflow: hidden;
  padding: 20px;
  display: flex; flex-direction: column; gap: 16px;
}
.yl-video-id-bar, .yl-invalid-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 9px;
  font-size: 13px; font-weight: 600;
}
.yl-video-id-bar { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.yl-video-id-bar svg { stroke: #16a34a; flex-shrink: 0; }
.yl-invalid-bar { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.yl-invalid-bar svg { stroke: #d97706; flex-shrink: 0; }

.output-group { display: flex; flex-direction: column; gap: 8px; }
.output-group-header {
  display: flex; align-items: center; justify-content: space-between;
}
.output-group-title {
  display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 700; color: var(--text2);
}
.output-group-title svg { stroke: var(--text3); }
.copy-link-btn {
  padding: 5px 14px; border-radius: 7px;
  background: var(--p-lt); color: var(--p);
  border: 1px solid rgba(105,56,239,.2);
  font-size: 11.5px; font-weight: 700; cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: background .15s;
}
.copy-link-btn:hover { background: #ddd6fe; }
.link-output {
  width: 100%; padding: 10px 13px;
  border: 1.5px solid var(--border); border-radius: 9px;
  font-size: 13px; font-family: 'Courier New', monospace; color: var(--text2);
  background: var(--bg2); outline: none; resize: none;
  cursor: text;
}
.embed-output { min-height: 80px; font-size: 12px; }
.link-output:focus { border-color: var(--p); background: #fff; }

.embed-preview-wrap {
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
}
.embed-preview-header {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px; background: var(--bg2);
  font-size: 12.5px; font-weight: 600; color: var(--text2);
  border-bottom: 1px solid var(--border);
}
.embed-preview-frame { padding: 16px; background: #fff; }
.embed-preview-frame iframe { max-width: 100%; }

.yl-actions { display: flex; gap: 10px; }
.yl-preview-btn, .yl-open-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--r);
  font-size: 13.5px; font-weight: 700; cursor: pointer;
  font-family: 'Inter', sans-serif; border: none;
  transition: all .15s;
}
.yl-preview-btn { background: var(--p-lt); color: var(--p); border: 1px solid rgba(105,56,239,.2); }
.yl-preview-btn:hover { background: #ddd6fe; }
.yl-open-btn { background: var(--p); color: #fff; box-shadow: 0 4px 14px rgba(105,56,239,.3); }
.yl-open-btn:hover { background: var(--p-d); transform: translateY(-1px); }

@media (max-width: 900px) {
  .yl-layout { grid-template-columns: 1fr; }
  .yl-form-panel { position: static; }
}