/* Nút Xuất PDF */
.btn-export-pdf {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, #e11d48 0%, #f59e0b 100%);
  color: #ffffff;
  border: none;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
  letter-spacing: 0.3px;
}

/* KHUNG A4 IN ẤN SẮC MÀU (210mm x 297mm) */
.pdf-render-container {
  position: absolute;
  left: -9999px;
  top: 0;
}

.a4-sheet {
  width: 794px; /* Chuẩn A4 96 DPI */
  min-height: 1123px;
  background: #ffffff;
  padding: 24px;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

/* Khung viền đôi phong cách Giấy khen vinh danh */
.a4-cert-outer {
  border: 4px solid #f59e0b;
  border-radius: 24px;
  padding: 6px;
  background: #fffbeb;
  height: 100%;
}

.a4-cert-inner {
  border: 2px dashed #d97706;
  border-radius: 18px;
  padding: 24px 28px;
  background: radial-gradient(circle at top center, #ffffff 0%, #fffdfa 60%, #fefce8 100%);
  min-height: 1045px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.corner-decor {
  position: absolute;
  font-size: 24px;
}
.corner-decor.tl { top: 12px; left: 14px; }
.corner-decor.tr { top: 12px; right: 14px; }

/* Header Giấy Khen */
.cert-header {
  text-align: center;
  margin-bottom: 20px;
}
.cert-badge-icon { font-size: 42px; line-height: 1; }
.cert-main-title {
  font-size: 28px;
  font-weight: 900;
  color: #b45309;
  letter-spacing: 1px;
  margin-top: 6px;
  text-shadow: 1px 1px 0px #fef3c7;
}
.cert-subtitle {
  font-size: 13px;
  font-weight: 800;
  color: #4f46e5;
  letter-spacing: 1.5px;
  margin-top: 4px;
}
.cert-period {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
  margin-top: 4px;
}

/* Thẻ Vinh Danh Hồ Sơ Bé */
.cert-profile-card {
  background: #ffffff;
  border: 2px solid #fde68a;
  border-radius: 20px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.08);
  margin-bottom: 20px;
}

.cert-avatar-frame {
  width: 76px;
  height: 76px;
  border-radius: 22px;
  border: 3px solid #f59e0b;
  background: #fef3c7;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-avatar-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
}
.cert-avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-info { flex: 1; }
.cert-name-row { display: flex; align-items: baseline; gap: 8px; }
.cert-name { font-size: 22px; font-weight: 900; color: #1e293b; }
.cert-nickname { font-size: 15px; font-weight: 800; color: #7c3aed; }
.cert-level-tag {
  display: inline-block;
  background: linear-gradient(90deg, #4f46e5, #06b6d4);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 6px;
}

.cert-score-award {
  text-align: center;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 18px;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.25);
}
.award-star { font-size: 20px; line-height: 1; }
.award-num { font-size: 28px; font-weight: 900; line-height: 1; margin: 2px 0; }
.award-label { font-size: 9px; font-weight: 800; letter-spacing: 0.5px; }

/* Tiêu đề mục nội dung */
.cert-section-header {
  font-size: 13px;
  font-weight: 900;
  padding: 6px 14px;
  border-radius: 10px;
  margin: 12px 0 8px;
  letter-spacing: 0.5px;
}
.green-header { background: #dcfce7; color: #15803d; }
.orange-header { background: #ffedd5; color: #c2410c; }

/* Thẻ thành tích dạng Grid sắc màu */
.cert-grid-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.cert-item-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.cert-item-name { font-size: 12px; font-weight: 700; color: #334155; }
.cert-item-count { font-size: 11px; font-weight: 600; color: #64748b; margin-top: 1px; }
.cert-item-pts { font-size: 13px; font-weight: 800; }

/* Footer Lời nhắn & Con dấu */
.cert-footer {
  margin-top: auto;
  border-top: 2px dashed #e2e8f0;
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.parent-message-box { max-width: 440px; }
.msg-label { font-size: 12px; font-weight: 800; color: #0f172a; }
.msg-content {
  font-size: 12px;
  font-style: italic;
  color: #475569;
  line-height: 1.5;
  margin-top: 6px;
  background: #f8fafc;
  padding: 10px 12px;
  border-radius: 12px;
  border-left: 3px solid #f59e0b;
}

.cert-sign-area { text-align: center; width: 220px; }
.sign-date-text { font-size: 11px; color: #64748b; font-style: italic; }
.sign-role { font-size: 12px; font-weight: 800; color: #0f172a; margin-top: 4px; }
.sign-stamp-mock {
  margin-top: 14px;
  display: flex;
  justify-content: center;
}
.stamp-circle {
  width: 74px;
  height: 74px;
  border: 2px dashed #dc2626;
  border-radius: 50%;
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 900;
  transform: rotate(-12deg);
  background: rgba(254, 226, 226, 0.4);
}