/* ====== 证书页面 ====== */
.cert-page {
  background: var(--panel);
  border-radius: 16px;
  padding: 32px;
  margin: 0 auto;
  max-width: 880px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cert-page .cert-bg {
  width: 100%;
  height: auto;
  margin-bottom: -8px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(14, 165, 233, 0.06));
  padding: 24px;
  border: 2px solid var(--accent);
  position: relative;
}
.cert-page h1 {
  font-size: 32px;
  margin: 0 0 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cert-page .cert-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}
.cert-page .cert-name {
  font-size: 36px;
  font-weight: 800;
  margin: 16px 0;
  color: var(--text);
  font-family: "Brush Script MT", "STKaiti", "KaiTi", cursive;
}
.cert-page .cert-score {
  display: inline-block;
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 12px 0;
}
.cert-page .cert-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
  padding: 16px;
  background: var(--panel2);
  border-radius: 8px;
  font-size: 13px;
}
.cert-page .cert-meta .lbl {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.cert-page .cert-meta .val {
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.cert-page .cert-chapters {
  text-align: left;
  margin: 24px 0;
  padding: 16px 20px;
  background: var(--panel2);
  border-radius: 8px;
}
.cert-page .cert-chapters h3 {
  font-size: 14px;
  margin: 0 0 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cert-page .cert-chapters ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.cert-page .cert-chapters li {
  font-size: 13px;
  padding: 4px 0;
  color: var(--text);
}
.cert-page .cert-chapters li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
  margin-right: 6px;
}
.cert-page .cert-id {
  font-size: 11px;
  color: var(--muted);
  font-family: ui-monospace, monospace;
  margin-top: 16px;
  letter-spacing: 0.5px;
}
.cert-page .cert-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}
.cert-locked {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.cert-locked h2 { color: var(--text); }
.cert-locked .lock-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}
.cert-locked .progress-info {
  margin: 16px 0;
  padding: 16px;
  background: var(--panel);
  border-radius: 8px;
  border: 1px solid var(--border);
  display: inline-block;
}

/* ====== 证书打印样式 ====== */
@media print {
  header, aside.sidebar, .cert-actions, .cert-locked, .no-print { display: none !important; }
  body, #app, .app-body, main.content { background: #fff !important; padding: 0 !important; }
  .cert-page { box-shadow: none; max-width: 100%; padding: 0; }
  .cert-page .cert-bg { border: 2px solid #10b981; }
  @page { size: A4 landscape; margin: 1cm; }
}