* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary-color: #1a73e8;
  --primary-dark: #0d47a1;
  --primary-light: #e8f0fe;
  --success-color: #34a853;
  --warning-color: #fbbc05;
  --error-color: #ea4335;
  --neutral-dark: #202124;
  --neutral-medium: #5f6368;
  --neutral-light: #dadce0;
  --bg-color: #f8f9fa;
  --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--neutral-dark);
  background-color: var(--bg-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding: 25px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border-radius: 10px;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="rgba(255,255,255,0.1)" d="M10 10L90 10L90 90L10 90Z" /></svg>');
  opacity: 0.1;
}

h1, h2 {
  margin-bottom: 15px;
  font-weight: 600;
}

h1 {
  font-size: 2.2rem;
  letter-spacing: -0.5px;
}

.controls {
  background-color: white;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 24px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.controls:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.dialect-selector, 
.tone-selector, 
.voice-gender-selector, 
.voices-selector, 
.voice-controls, 
.actions {
  margin-bottom: 20px;
}

select, input, button, textarea {
  padding: 10px 16px;
  border: 1px solid var(--neutral-light);
  border-radius: 6px;
  background-color: white;
  font-size: 16px;
  transition: var(--transition);
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

select {
  width: 220px;
  appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M6 9l6 6 6-6"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

button {
  cursor: pointer;
  background-color: var(--primary-color);
  color: white;
  border: none;
  margin-right: 10px;
  transition: var(--transition);
  font-weight: 500;
  border-radius: 6px;
  padding: 10px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

button:active {
  transform: translateY(0);
}

button i {
  margin-right: 8px;
}

input[type="range"] {
  width: 150px;
  vertical-align: middle;
  margin: 0 10px;
}

label {
  margin-right: 10px;
  font-weight: 500;
  display: inline-block;
  min-width: 90px;
  color: var(--neutral-medium);
}

.broadcast-list, .manual-broadcast {
  background-color: white;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 24px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.broadcast-list:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#broadcasts {
  margin-top: 15px;
}

.broadcast-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-light);
}

.broadcast-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--primary-dark);
  position: relative;
}

.broadcast-header h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -15px;
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
}

.broadcast-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.auto-refresh-label {
  display: flex;
  align-items: center;
  margin-left: 15px;
  cursor: pointer;
  background-color: var(--primary-light);
  padding: 6px 12px;
  border-radius: 20px;
  transition: var(--transition);
}

.auto-refresh-label:hover {
  background-color: rgba(26, 115, 232, 0.15);
}

.auto-refresh-label input {
  margin-right: 8px;
}

#broadcasts-container {
  max-height: 500px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--neutral-light) transparent;
  padding-right: 5px;
}

#broadcasts-container::-webkit-scrollbar {
  width: 6px;
}

#broadcasts-container::-webkit-scrollbar-track {
  background: transparent;
}

#broadcasts-container::-webkit-scrollbar-thumb {
  background-color: var(--neutral-light);
  border-radius: 6px;
}

.broadcast-item {
  padding: 16px;
  border: 1px solid var(--neutral-light);
  border-radius: 8px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  background-color: white;
}

.broadcast-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  border-color: var(--primary-color);
}

.broadcast-content {
  flex-grow: 1;
  margin-right: 15px;
}

.broadcast-text {
  font-size: 16px;
  margin-bottom: 10px;
  line-height: R1.5;
  color: var(--neutral-dark);
}

.broadcast-meta {
  display: flex;
  gap: 15px;
  font-size: 13px;
  color: var(--neutral-medium);
  flex-wrap: wrap;
}

.broadcast-time {
  color: var(--neutral-medium);
  display: inline-flex;
  align-items: center;
}

.broadcast-time::before {
  content: "\f017";
  font-family: 'Font Awesome 5 Free';
  margin-right: 5px;
  opacity: 0.7;
}

.broadcast-dialect, .broadcast-tone {
  padding: 3px 8px;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  font-size: 12px;
}

.broadcast-dialect::before {
  content: "\f0ac";
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 5px;
}

.broadcast-tone::before {
  content: "\f130";
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 5px;
}

.play-broadcast {
  padding: 8px 16px;
  font-size: 14px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  min-width: 80px;
}

.play-broadcast:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.play-broadcast::before {
  content: "\f04b";
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 5px;
}

.loading, .no-broadcasts {
  padding: 40px 20px;
  text-align: center;
  color: var(--neutral-medium);
  font-size: 16px;
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  margin: 20px 0;
}

.no-broadcasts::before {
  content: "\f131";
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  display: block;
  font-size: 40px;
  margin-bottom: 15px;
  opacity: 0.3;
}

/* 标记新播报内容 */
.broadcast-item.new {
  border-left: 4px solid var(--success-color);
  animation: highlight 2s ease-in-out;
}

@keyframes highlight {
  0% { background-color: rgba(52, 168, 83, 0.1); }
  100% { background-color: transparent; }
}

/* 自动刷新按钮激活状态 */
#auto-refresh.active {
  background-color: var(--error-color);
}

/* 修复被删除的样式 */
textarea {
  width: 100%;
  height: 120px;
  margin-bottom: 15px;
  resize: vertical;
  padding: 12px;
  line-height: 1.5;
  border: 1px solid var(--neutral-light);
  border-radius: 6px;
  transition: var(--transition);
  font-family: inherit;
}

textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
  outline: none;
}

.manual-broadcast textarea {
  background-color: rgba(26, 115, 232, 0.03);
}

footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  border-top: 1px solid var(--neutral-light);
  color: var(--neutral-medium);
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .controls, .broadcast-list, .manual-broadcast {
    padding: 18px;
  }
  
  select, input[type="range"] {
    width: 100%;
    margin-bottom: 10px;
  }
  
  label {
    display: block;
    margin-bottom: 8px;
  }
  
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .actions button {
    margin-bottom: 10px;
    margin-right: 0;
  }
  
  .broadcast-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .broadcast-actions {
    margin-top: 15px;
    flex-wrap: wrap;
    width: 100%;
  }
  
  .auto-refresh-label {
    margin-left: 0;
    margin-top: 10px;
  }
  
  .broadcast-meta {
    flex-direction: column;
    gap: 5px;
  }
  
  .broadcast-item {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .broadcast-actions {
    margin-top: 10px;
    align-self: flex-end;
  }
}

/* 错误消息样式 */
.error-message {
  padding: 15px;
  margin: 15px 0;
  color: white;
  background-color: var(--error-color);
  border-radius: 8px;
  text-align: center;
  animation: fadeIn 0.3s;
  box-shadow: 0 2px 10px rgba(234, 67, 53, 0.2);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 保存设置按钮样式 */
.settings-actions {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.save-btn {
  background-color: var(--success-color);
  transition: var(--transition);
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.save-btn i {
  margin-right: 8px;
}

.save-btn:hover {
  background-color: #2a8c44;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.save-btn:active, .save-btn.active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  background-color: #1e6e34;
}

.settings-saved-msg {
  color: var(--success-color);
  font-size: 14px;
  font-weight: 500;
  display: none;
  animation: fadeInOut 2s ease;
  padding: 6px 12px;
  background-color: rgba(52, 168, 83, 0.1);
  border-radius: 20px;
  align-items: center;
}

.settings-saved-msg i {
  margin-right: 6px;
}

.settings-modified-indicator {
  color: var(--warning-color);
  font-size: 14px;
  font-weight: 500;
  display: none;
  padding: 6px 12px;
  background-color: rgba(251, 188, 5, 0.1);
  border-radius: 20px;
  align-items: center;
  animation: pulse 2s infinite;
}

.settings-modified-indicator i {
  margin-right: 6px;
}

@keyframes pulse {
  0% { opacity: 0.7; }
  50% { opacity: 1; }
  100% { opacity: 0.7; }
}

@keyframes fadeInOut {
  0% { opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* 加载指示器样式 */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 30px;
  color: var(--neutral-medium);
  font-style: normal;
  background-color: transparent;
}

.loading::after {
  content: '';
  width: 24px;
  height: 24px;
  margin-left: 12px;
  border: 2px solid rgba(26, 115, 232, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 错误消息样式 */
.error {
  background-color: rgba(234, 67, 53, 0.05);
  border-left: 4px solid var(--error-color);
  color: var(--error-color);
  padding: 16px;
  margin: 15px 0;
  border-radius: 6px;
  font-weight: 500;
}

.error::before {
  content: "\f071";
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  margin-right: 10px;
}

/* 提示样式 */
.tooltip {
  position: absolute;
  background: rgba(32, 33, 36, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  max-width: 250px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tooltip.show {
  opacity: 1;
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid rgba(32, 33, 36, 0.9);
}

/* 按钮禁用样式 */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 自定义复选框样式 */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--neutral-light);
  border-radius: 4px;
  outline: none;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
  vertical-align: -4px;
}

input[type="checkbox"]:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-top: 10px;
  font-weight: normal;
}

.section-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--neutral-light);
  display: flex;
  align-items: center;
}

.section-title i {
  margin-right: 10px;
  color: var(--primary-color);
  opacity: 0.8;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.setting-item {
  margin-bottom: 5px;
}

.manual-broadcast h3 {
  font-size: 1.1rem;
  margin-bottom: 15px;
  color: var(--neutral-dark);
  display: flex;
  align-items: center;
}

.manual-broadcast h3 i {
  margin-right: 8px;
  color: var(--primary-color);
}

.footer-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
  margin: 0 5px;
}

.footer-link:hover {
  text-decoration: underline;
  color: var(--primary-dark);
}

/* 响应式修复 */
@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .section-title {
    margin-bottom: 20px;
    padding-bottom: 10px;
  }
  
  .subtitle {
    font-size: 1rem;
  }
}

.shortcut-tip {
  font-size: 0.8rem;
  color: var(--neutral-medium);
  font-weight: normal;
  opacity: 0.8;
}

/* 本地缓存指示器 */
.cached-indicator {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: 8px;
  opacity: 0.8;
}

.cached-indicator i {
  margin-right: 3px;
  font-size: 0.7rem;
}