.ppt-converter-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh);
  overflow: hidden;
}
.ppt-header {
  background: linear-gradient(135deg, var(--p-llt), var(--p-lt));
  border-bottom: 1px solid rgba(105,56,239,.15);
  padding: 16px 24px;
}
.ppt-format-badges {
  display: flex; align-items: center; gap: 12px;
}
.pformat-badge {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 700;
  border: 1.5px solid;
}
.pformat-badge.ppt { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.pformat-badge.pdf { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }

.ppt-upload-area {
  padding: 32px; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .2s;
}
.ppt-upload-area.drag-over { background: var(--p-llt); }
.ppt-drop-content {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; text-align: center;
}
.ppt-drop-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--p-lt); color: var(--p);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
  border: 1px solid rgba(105,56,239,.2);
}
.ppt-drop-title { font-size: 20px; font-weight: 700; color: var(--text); }
.ppt-drop-sub { font-size: 13.5px; color: var(--text3); }
.ppt-browse-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--p); color: #fff; border: none;
  padding: 12px 28px; border-radius: 10px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 16px rgba(105,56,239,.35);
  transition: background .15s, transform .12s;
}
.ppt-browse-btn:hover { background: var(--p-d); transform: translateY(-1px); }
.ppt-file-types {
  display: flex; gap: 8px; margin-top: 4px;
}
.ppt-file-types span {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 10px;
  font-size: 11px; font-weight: 600; color: var(--text3);
}
.ppt-file-info {
  display: flex; align-items: center; gap: 16px;
  background: var(--p-llt); border: 1.5px solid rgba(105,56,239,.2);
  border-radius: 12px; padding: 14px 18px;
}
.ppt-file-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: #fff7ed; color: #c2410c;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ppt-filename { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.ppt-filesize { font-size: 12px; color: var(--text3); }
.ppt-change-btn {
  margin-left: auto; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 14px; font-size: 12px; font-weight: 600;
  color: var(--text2); cursor: pointer; font-family: 'Inter', sans-serif;
  transition: border-color .15s;
}
.ppt-change-btn:hover { border-color: var(--p); color: var(--p); }

.ppt-options {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.options-row {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 20px;
}
.option-item { display: flex; flex-direction: column; gap: 5px; }
.option-item label { font-size: 11.5px; font-weight: 600; color: var(--text2); }
.option-item select {
  padding: 9px 32px 9px 12px;
  border: 1.5px solid var(--border); border-radius: 9px;
  font-size: 13px; font-family: 'Inter', sans-serif; color: var(--text);
  background: #fff; cursor: pointer; outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  transition: border-color .18s;
}
.option-item select:focus { border-color: var(--p); box-shadow: 0 0 0 3px rgba(105,56,239,.1); outline: none; }
.convert-ppt-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--p); color: #fff; border: none;
  padding: 13px 32px; border-radius: var(--r);
  font-size: 15px; font-weight: 700; cursor: pointer;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 16px rgba(105,56,239,.35);
  transition: background .15s, transform .12s;
}
.convert-ppt-btn:hover { background: var(--p-d); transform: translateY(-1px); }

.ppt-instructions {
  padding: 24px; display: block;
}
.ppt-instructions h3 { font-size: 17px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.ppt-instructions > p { font-size: 13.5px; color: var(--text2); margin-bottom: 20px; }
.method-list { display: flex; flex-direction: column; gap: 12px; }
.method-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 16px;
}
.method-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--p); color: #fff;
  font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.method-body h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.method-body p { font-size: 13px; color: var(--text2); line-height: 1.6; }
.method-body a { color: var(--p); text-decoration: underline; font-weight: 600; }

@media (max-width: 640px) {
  .options-row { grid-template-columns: 1fr; }
}