.privacy-chat-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow: hidden;
}

.privacy-chat-overlay.active {
  opacity: 1;
  visibility: visible;
}

.privacy-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.privacy-chat-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-chat-logo {
  width: 28px;
  height: 28px;
  stroke: #f7931a;
}

.privacy-chat-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
}

.privacy-chat-close {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.privacy-chat-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.privacy-chat-close svg {
  width: 24px;
  height: 24px;
  stroke: #888;
}

.privacy-chat-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.privacy-chat-menu {
  max-width: 400px;
  margin: 0 auto;
}

.privacy-chat-intro {
  text-align: center;
  margin-bottom: 32px;
}

.privacy-chat-intro p {
  color: #aaa;
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
}

.privacy-chat-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.privacy-action-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  text-align: left;
}

.privacy-action-btn:hover {
  background: rgba(247, 147, 26, 0.1);
  border-color: rgba(247, 147, 26, 0.3);
  transform: translateY(-2px);
}

.privacy-action-btn svg {
  width: 24px;
  height: 24px;
  stroke: #f7931a;
  flex-shrink: 0;
}

.privacy-chat-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 32px;
  padding: 16px;
  background: rgba(74, 222, 128, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.privacy-chat-disclaimer svg {
  width: 20px;
  height: 20px;
  stroke: #4ade80;
  flex-shrink: 0;
  margin-top: 2px;
}

.privacy-chat-disclaimer span {
  font-size: 13px;
  color: #4ade80;
  line-height: 1.4;
}

.privacy-screen {
  max-width: 500px;
  margin: 0 auto;
}

.privacy-screen-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.privacy-back-btn {
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.privacy-back-btn:hover {
  background: #111;
  border-color: #f7931a;
}

.privacy-back-btn svg {
  width: 24px;
  height: 24px;
  stroke: #fff;
}

.privacy-screen-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.privacy-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.privacy-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.privacy-form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #aaa;
}

.privacy-form-group input,
.privacy-form-group textarea {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 14px 16px;
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  resize: none;
  transition: border-color 0.2s ease;
}

.privacy-form-group input:focus,
.privacy-form-group textarea:focus {
  outline: none;
  border-color: #f7931a;
}

.privacy-form-group input::placeholder,
.privacy-form-group textarea::placeholder {
  color: #666;
}

.privacy-form-hint {
  font-size: 12px;
  color: #666;
}

.privacy-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #f7931a 0%, #f5a623 100%);
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.privacy-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(247, 147, 26, 0.3);
}

.privacy-submit-btn svg {
  width: 20px;
  height: 20px;
}

.privacy-decrypted-result {
  margin-top: 24px;
}

.decrypted-message-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
}

.decrypted-label {
  font-size: 12px;
  color: #4ade80;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.decrypted-content {
  color: #fff;
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.privacy-reply-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 14px 20px;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 16px;
  width: 100%;
  transition: all 0.2s ease;
}

.privacy-reply-btn:hover {
  background: rgba(247, 147, 26, 0.1);
  border-color: rgba(247, 147, 26, 0.3);
}

.privacy-reply-btn svg {
  width: 18px;
  height: 18px;
  stroke: #f7931a;
}

.privacy-payment-content {
  text-align: center;
}

.payment-amount {
  margin-bottom: 24px;
}

.payment-price {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: #fff;
}

.payment-label {
  display: block;
  font-size: 14px;
  color: #888;
  margin-top: 4px;
}

.wenrune-service-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(247, 147, 26, 0.15) 0%, rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid rgba(247, 147, 26, 0.3);
  border-radius: 20px;
  padding: 8px 16px;
  margin-bottom: 20px;
}

.wenrune-service-badge svg {
  width: 16px;
  height: 16px;
  stroke: #f7931a;
}

.wenrune-service-badge span {
  font-size: 12px;
  font-weight: 600;
  color: #f7931a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.payment-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: 10px;
}

.payment-tab {
  flex: 1;
  padding: 12px 16px;
  background: none;
  border: none;
  border-radius: 8px;
  color: #888;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.payment-tab.active {
  background: rgba(247, 147, 26, 0.2);
  color: #f7931a;
}

.payment-qr-container {
  margin-bottom: 24px;
}

.payment-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  background: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.qr-loading {
  color: #333;
  font-size: 14px;
}

.payment-address {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 16px;
  border-radius: 8px;
  max-width: 100%;
}

.payment-address code {
  font-family: 'SF Mono', Monaco, 'Consolas', monospace;
  font-size: 12px;
  color: #fff;
  word-break: break-all;
  flex: 1;
  text-align: left;
}

.copy-address-btn {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.copy-address-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.copy-address-btn svg {
  width: 18px;
  height: 18px;
  stroke: #888;
}

.payment-status {
  margin-bottom: 24px;
}

.payment-waiting {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #888;
  font-size: 14px;
}

.payment-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(247, 147, 26, 0.3);
  border-top-color: #f7931a;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.privacy-thread-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 80px;
}

.thread-message {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
}

.thread-message.reply {
  margin-left: 20px;
  border-left: 2px solid #f7931a;
}

.thread-message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.thread-message-id {
  font-size: 11px;
  color: #666;
  font-family: monospace;
}

.thread-message-time {
  font-size: 11px;
  color: #666;
}

.thread-message-content {
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
}

.privacy-thread-reply {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.privacy-thread-reply textarea {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  resize: none;
}

.privacy-thread-reply textarea:focus {
  outline: none;
  border-color: #f7931a;
}

.privacy-reply-send-btn {
  background: linear-gradient(135deg, #f7931a 0%, #f5a623 100%);
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.privacy-reply-send-btn:hover {
  transform: scale(1.05);
}

.privacy-reply-send-btn svg {
  width: 20px;
  height: 20px;
  stroke: #fff;
}

.privacy-conversations-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.no-conversations {
  text-align: center;
  padding: 60px 20px;
  color: #666;
}

.no-conversations svg {
  width: 48px;
  height: 48px;
  stroke: #444;
  margin-bottom: 16px;
}

.no-conversations p {
  font-size: 16px;
  color: #888;
  margin: 0 0 8px 0;
}

.no-conversations span {
  font-size: 14px;
  color: #666;
}

.conversation-item {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.conversation-item:hover {
  background: rgba(247, 147, 26, 0.1);
  border-color: rgba(247, 147, 26, 0.3);
}

.conversation-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.conversation-item-id {
  font-size: 12px;
  color: #f7931a;
  font-family: monospace;
}

.conversation-item-time {
  font-size: 11px;
  color: #666;
}

.conversation-item-preview {
  font-size: 14px;
  color: #aaa;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-item-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.conversation-reply-count {
  font-size: 12px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 4px;
}

.conversation-reply-count svg {
  width: 14px;
  height: 14px;
}

@media (min-width: 769px) {
  .privacy-chat-overlay {
    display: flex;
  }
  
  .privacy-chat-content {
    padding: 40px;
  }
  
  .privacy-chat-menu {
    max-width: 500px;
  }
  
  .privacy-screen {
    max-width: 600px;
  }
}