:root {
  --pcp-primary: #0066cc;
  --pcp-secondary: #004999;
  --pcp-accent: #00a3e0;
  --pcp-success: #00a854;
  --pcp-text: #1f2937;
  --pcp-muted: #6b7280;
  --pcp-border: #dbe3ea;
  --pcp-bg: #f6f9fc;
  --pcp-white: #ffffff;
  --pcp-radius: 10px;
  --pcp-shadow: 0 8px 24px rgba(0, 58, 115, 0.12);
}

.pcp-container {
  max-width: 1280px;
  margin: 40px auto;
  padding: 0 20px;
  font-family: Segoe UI, Tahoma, sans-serif;
  color: var(--pcp-text);
}

.pcp-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(0, 102, 204, 0.04), rgba(0, 163, 224, 0.02));
}

.pcp-content-wrapper {
  position: relative;
  z-index: 1;
}

.pcp-header-section {
  text-align: center;
  margin-bottom: 36px;
}

.pcp-kicker {
  display: inline-block;
  margin: 0 0 10px 0;
  padding: 6px 12px;
  border-radius: 18px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--pcp-primary);
  background: #eaf4ff;
}

.pcp-heading {
  margin: 0 0 12px 0;
  font-size: 40px;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--pcp-primary), var(--pcp-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pcp-subtitle {
  margin: 0;
  color: var(--pcp-muted);
  font-size: 17px;
}

.pcp-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 20px;
}

.pcp-panel {
  background: var(--pcp-white);
  border: 1px solid var(--pcp-border);
  border-radius: var(--pcp-radius);
  box-shadow: var(--pcp-shadow);
}

.pcp-panel-selector,
.pcp-panel-upload,
.pcp-panel-preview {
  padding: 24px;
}

.pcp-conversion-modes {
  display: grid;
  gap: 12px;
}

.pcp-mode-btn {
  border: 2px solid var(--pcp-border);
  background: #fff;
  color: var(--pcp-muted);
  border-radius: 8px;
  padding: 12px;
  font-weight: 700;
  cursor: pointer;
}

.pcp-mode-btn-active {
  border-color: var(--pcp-primary);
  background: linear-gradient(120deg, var(--pcp-primary), var(--pcp-secondary));
  color: #fff;
}

.pcp-upload-zone {
  border: 2px dashed var(--pcp-primary);
  border-radius: 10px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: #f8fbff;
}

.pcp-upload-zone.dragover {
  border-color: var(--pcp-success);
  background: #f0fff7;
}

.pcp-upload-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eaf4ff;
  color: var(--pcp-primary);
  font-weight: 800;
}

.pcp-upload-zone h3 {
  margin: 0 0 6px;
}

.pcp-upload-zone p {
  margin: 0;
  color: var(--pcp-muted);
}

.pcp-file-list {
  margin-top: 18px;
}

.pcp-file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--pcp-bg);
  border: 1px solid var(--pcp-border);
  border-radius: 8px;
  padding: 10px 12px;
}

.pcp-file-info {
  display: flex;
  gap: 10px;
  align-items: center;
}

.pcp-file-icon {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: #eaf4ff;
  color: var(--pcp-primary);
}

.pcp-file-name {
  margin: 0;
  font-weight: 600;
}

.pcp-file-size {
  margin: 2px 0 0;
  color: var(--pcp-muted);
  font-size: 12px;
}

.pcp-file-remove {
  border: 1px solid #f2b5b5;
  color: #a11313;
  background: #fff5f5;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
}

.pcp-progress-container {
  margin-top: 14px;
}

.pcp-progress-bar {
  width: 100%;
  height: 4px;
  background: #d7e2ee;
  border-radius: 3px;
}

.pcp-progress-fill {
  width: 0;
  height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--pcp-primary), var(--pcp-accent));
  transition: width .25s ease;
}

.pcp-progress-text {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--pcp-muted);
}

.pcp-preview-header h3 {
  margin: 0 0 12px;
}

.pcp-status-area {
  min-height: 170px;
  display: grid;
  place-items: center;
  text-align: center;
}

.pcp-status-idle {
  color: var(--pcp-muted);
}

.pcp-status-success {
  display: grid;
  gap: 10px;
  justify-items: center;
}

.pcp-status-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(120deg, var(--pcp-success), #01c47a);
}

.pcp-status-message {
  margin: 0;
  color: var(--pcp-success);
  font-weight: 700;
}

.pcp-btn {
  border: 0;
  cursor: pointer;
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 700;
  width: 100%;
}

.pcp-btn-primary {
  background: linear-gradient(120deg, var(--pcp-primary), var(--pcp-secondary));
  color: #fff;
}

@media (max-width: 1024px) {
  .pcp-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .pcp-heading {
    font-size: 30px;
  }
}