.llx-yuyanji-page {
  min-height: 100%;
  background: #efe8dd;
  color: var(--text-main);
}

.llx-yuyanji-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.llx-yuyanji-header {
  position: sticky;
  top: 0;
  z-index: 4;
  background: linear-gradient(180deg, rgba(247, 240, 229, 0.96), rgba(247, 240, 229, 0.82));
  backdrop-filter: blur(10px);
}

.llx-yuyanji-content {
  flex: 1;
}

.llx-yuyanji-page .feature-panel {
  display: none;
}

.llx-yuyanji-page .feature-panel.active {
  display: block;
}

.llx-yuyanji-page .letter-page {
  display: grid;
  gap: 16px;
}

.llx-yuyanji-page .letter-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(191, 166, 128, 0.22);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(255, 244, 214, 0.88), transparent 34%),
    linear-gradient(180deg, rgba(255, 252, 246, 0.98), rgba(248, 241, 229, 0.96));
  box-shadow:
    0 18px 36px rgba(148, 163, 184, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.llx-yuyanji-page .letter-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 38%),
    repeating-linear-gradient(
      0deg,
      rgba(191, 166, 128, 0.05) 0,
      rgba(191, 166, 128, 0.05) 1px,
      transparent 1px,
      transparent 22px
    );
  pointer-events: none;
}

.llx-yuyanji-page .letter-panel > * {
  position: relative;
  z-index: 1;
}

.llx-yuyanji-page .letter-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.llx-yuyanji-page .letter-section-title {
  display: grid;
  gap: 4px;
}

.llx-yuyanji-page .letter-section-title strong {
  font-size: 15px;
  color: #6c4f35;
  letter-spacing: 0.04em;
}

.llx-yuyanji-page .letter-section-title span {
  font-size: 11px;
  color: #9a7b5a;
  line-height: 1.6;
}

.llx-yuyanji-page .letter-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  min-height: 56px;
  border-radius: 16px;
  border: 1px dashed rgba(190, 24, 93, 0.26);
  background: rgba(255, 241, 242, 0.76);
  color: #be185d;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  padding: 8px;
  transform: rotate(6deg);
  box-shadow: 0 8px 20px rgba(190, 24, 93, 0.08);
}

.llx-yuyanji-page .letter-recipient-card,
.llx-yuyanji-page .letter-preview-card,
.llx-yuyanji-page .letter-history-item {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(191, 166, 128, 0.2);
  border-radius: 20px;
  padding: 14px;
  box-shadow: 0 10px 24px rgba(148, 163, 184, 0.08);
  backdrop-filter: blur(8px);
}

.llx-yuyanji-page .letter-recipient-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 249, 240, 0.78));
}

.llx-yuyanji-page .letter-recipient-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.llx-yuyanji-page .letter-recipient-meta strong {
  font-size: 14px;
  color: #5b4632;
}

.llx-yuyanji-page .letter-recipient-meta span {
  font-size: 12px;
  color: #8b7355;
  line-height: 1.6;
}

.llx-yuyanji-page .letter-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.llx-yuyanji-page .letter-textarea-wrap {
  margin-top: 12px;
}

.llx-yuyanji-page .letter-count-text {
  font-size: 11px;
  color: #9a7b5a;
  margin-top: 8px;
}

.llx-yuyanji-page .letter-preview-card {
  position: relative;
  overflow: hidden;
  padding: 16px;
}

.llx-yuyanji-page .letter-preview-card::after {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 88px;
  height: 88px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.12), transparent 68%);
  pointer-events: none;
}

.llx-yuyanji-page .letter-preview-head,
.llx-yuyanji-page .letter-history-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.llx-yuyanji-page .letter-history-head {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}

.llx-yuyanji-page .letter-preview-head strong,
.llx-yuyanji-page .letter-history-head strong {
  font-size: 13px;
  color: #5b4632;
}

.llx-yuyanji-page .letter-preview-head span,
.llx-yuyanji-page .letter-history-head span {
  font-size: 11px;
  color: #9a7b5a;
  line-height: 1.6;
}

.llx-yuyanji-page .letter-history-head span {
  color: #7f6549;
}

.llx-yuyanji-page .letter-paper {
  position: relative;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 254, 251, 0.98), rgba(251, 246, 237, 0.98));
  border: 1px solid rgba(191, 166, 128, 0.18);
  padding: 18px 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 8px 18px rgba(148, 163, 184, 0.08);
}

.llx-yuyanji-page .letter-paper::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(transparent 0, transparent 35px, rgba(191, 166, 128, 0.08) 35px, rgba(191, 166, 128, 0.08) 36px, transparent 36px);
  pointer-events: none;
}

.llx-yuyanji-page .letter-paper::after {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  bottom: 0;
  width: 1px;
  background: rgba(244, 114, 182, 0.16);
  pointer-events: none;
}

.llx-yuyanji-page .letter-paper-text,
.llx-yuyanji-page .letter-history-question,
.llx-yuyanji-page .letter-history-answer,
.llx-yuyanji-page .letter-empty-inline {
  position: relative;
  z-index: 1;
  font-size: 12px;
  line-height: 1.9;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-word;
}

.llx-yuyanji-page .letter-paper-text {
  min-height: 92px;
  padding-left: 12px;
}

.llx-yuyanji-page .letter-badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  min-height: 28px;
}

.llx-yuyanji-page .letter-badge-row:empty {
  display: none;
}

.llx-yuyanji-page .letter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  background: rgba(219, 234, 254, 0.9);
  color: #1d4ed8;
}

.llx-yuyanji-page .letter-badge.favorite {
  border-color: rgba(190, 24, 93, 0.14);
  background: rgba(252, 231, 243, 0.96);
  color: #be185d;
}

.llx-yuyanji-page .letter-history-list {
  display: grid;
  gap: 10px;
}

.llx-yuyanji-page .letter-history-item {
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.llx-yuyanji-page .letter-history-item:hover {
  transform: translateY(-1px);
  border-color: rgba(180, 131, 83, 0.36);
  box-shadow: 0 14px 26px rgba(148, 163, 184, 0.12);
}

.llx-yuyanji-page .letter-history-summary {
  display: none;
}

.llx-yuyanji-page .letter-history-body {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(191, 166, 128, 0.24);
}

.llx-yuyanji-page .letter-history-item.collapsed .letter-history-body {
  display: none;
}

.llx-yuyanji-page .letter-history-toggle {
  font-size: 11px;
  color: #2563eb;
  white-space: nowrap;
  flex-shrink: 0;
}

.llx-yuyanji-page .letter-history-question,
.llx-yuyanji-page .letter-history-answer {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 250, 243, 0.86);
  border: 1px solid rgba(191, 166, 128, 0.16);
}

.llx-yuyanji-page .letter-history-actions,
.llx-yuyanji-page .letter-preview-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.llx-yuyanji-page .letter-empty-inline {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(191, 166, 128, 0.24);
  color: #9a7b5a;
}

.llx-yuyanji-page .yuyanji-action-row,
.llx-yuyanji-page .yuyanji-history-top-row {
  margin-top: 12px;
}

.llx-yuyanji-page .yuyanji-history-clear-btn {
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  white-space: nowrap;
}

.llx-yuyanji-page .yuyanji-worldbook-select {
  min-height: 116px;
}

@media (max-width: 480px) {
  .llx-yuyanji-page .letter-config-grid {
    grid-template-columns: 1fr;
  }

  .llx-yuyanji-page .letter-preview-head,
  .llx-yuyanji-page .letter-recipient-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .llx-yuyanji-page .letter-section-head {
    align-items: center;
    flex-direction: row;
  }

  .llx-yuyanji-page .letter-stamp {
    transform: rotate(0deg);
  }

  .llx-yuyanji-page .letter-history-toggle {
    margin-top: 2px;
  }
}