/* CSS Variables - 霓虹灯风格 */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #707070;
  --neon-pink: #ff00ff;
  --neon-cyan: #00ffff;
  --neon-purple: #bf00ff;
  --neon-green: #00ff88;
  --neon-orange: #ff6600;
  --accent-color: var(--neon-cyan);
  --accent-hover: var(--neon-pink);
  --success-color: var(--neon-green);
  --warning-color: var(--neon-orange);
  --danger-color: #ff3366;
  --info-color: var(--neon-cyan);
  --border-color: rgba(0, 255, 255, 0.3);
  --shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  --shadow-lg: 0 0 20px rgba(0, 255, 255, 0.4);
}

[data-theme="light"] {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-tertiary: #0f3460;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #b0b0b0;
  --border-color: rgba(0, 255, 255, 0.2);
  --shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  --shadow-lg: 0 0 20px rgba(0, 255, 255, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
  min-height: 100vh;
  background-image: 
    radial-gradient(ellipse at top, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
}

.hidden { display: none !important; }

/* 霓虹灯文字效果 */
.neon-text {
  text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
  animation: neon-flicker 3s infinite;
}

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
  }
  20%, 24%, 55% {
    text-shadow: none;
  }
}

@keyframes neon-glow {
  0%, 100% { box-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan), 0 0 15px var(--neon-cyan); }
  50% { box-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink), 0 0 30px var(--neon-pink); }
}

@keyframes border-glow {
  0%, 100% { border-color: var(--neon-cyan); box-shadow: 0 0 10px var(--neon-cyan); }
  50% { border-color: var(--neon-pink); box-shadow: 0 0 10px var(--neon-pink); }
}

/* 登录注册页面 */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-box {
  background-color: var(--bg-secondary);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
  transition: background-color 0.3s;
  border: 1px solid var(--border-color);
  animation: neon-glow 4s infinite;
}

.auth-box h1 { 
  text-align: center; 
  margin-bottom: 30px; 
  font-size: 28px; 
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan);
}

.auth-tabs { display: flex; gap: 10px; margin-bottom: 20px; }

.tab-btn {
  flex: 1;
  padding: 12px;
  border: none;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.tab-btn.active { 
  background-color: rgba(0, 255, 255, 0.2); 
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-primary); font-weight: 500; }
.required { color: var(--neon-pink); text-shadow: 0 0 5px var(--neon-pink); }

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.form-group textarea { min-height: 80px; resize: vertical; }
.auth-links { text-align: center; margin-top: 15px; }
.auth-links a { color: var(--neon-cyan); text-decoration: none; text-shadow: 0 0 5px var(--neon-cyan); }
.auth-links a:hover { text-shadow: 0 0 10px var(--neon-cyan); }

.btn-primary {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #000;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-shadow: none;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.btn-primary:hover { 
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.8);
}

.btn-secondary {
  width: 100%;
  padding: 14px;
  background-color: transparent;
  color: var(--neon-pink);
  border: 1px solid var(--neon-pink);
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
  transition: all 0.3s;
}

.btn-secondary:hover { 
  background-color: rgba(255, 0, 255, 0.2);
  box-shadow: 0 0 15px var(--neon-pink);
}

.btn-icon {
  padding: 8px 16px;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-icon:hover { 
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.btn-cdk {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  border: none;
  font-weight: 600;
}

.btn-cdk:hover {
  box-shadow: 0 0 20px var(--neon-pink);
  transform: scale(1.05);
}

.main-container { min-height: 100vh; display: flex; flex-direction: column; }

.header {
  background-color: var(--bg-secondary);
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s;
  border-bottom: 1px solid var(--border-color);
}

.header h2 { 
  font-size: 20px; 
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan);
}
.header-right { display: flex; align-items: center; gap: 15px; }
.user-info { display: flex; align-items: center; gap: 15px; font-size: 14px; }

.order-count {
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: #000;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 0 10px var(--neon-green);
}

.order-count strong { font-size: 16px; }

.cdk-popup {
  position: fixed;
  top: 70px;
  right: 20px;
  background-color: var(--bg-secondary);
  padding: 20px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  width: 300px;
  transition: background-color 0.3s;
  border: 1px solid var(--neon-pink);
  animation: border-glow 3s infinite;
}

.popup-content h3 { 
  margin-bottom: 15px; 
  color: var(--neon-pink);
  text-shadow: 0 0 5px var(--neon-pink);
}

.popup-content input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.popup-content input:focus {
  border-color: var(--neon-pink);
  box-shadow: 0 0 10px var(--neon-pink);
  outline: none;
}

.btn-close {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
  width: 100%;
  transition: all 0.3s;
}

.btn-close:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.main-content { flex: 1; padding: 20px; max-width: 1200px; margin: 0 auto; width: 100%; }
.search-section { margin-bottom: 30px; }

.search-box { display: flex; gap: 10px; max-width: 600px; margin: 0 auto 15px; }

.search-box input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--border-color);
  border-radius: 25px;
  font-size: 16px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s;
}

.search-box input:focus { 
  outline: none; 
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.btn-search {
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #000;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.btn-search:hover { 
  box-shadow: 0 0 25px var(--neon-cyan);
  transform: scale(1.05);
}

.quick-tips { text-align: center; color: var(--text-muted); font-size: 14px; }
.songs-container { margin-bottom: 30px; }

.songs-container h3, .my-records h3 {
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-color);
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan);
}

.songs-container.hidden { display: none; }

.songs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }

.song-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid var(--border-color);
}

.song-card:hover { 
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--neon-purple);
  border-color: var(--neon-purple);
}

.song-header {
  margin-bottom: 10px;
}

.song-card .song-id {
  display: inline-block;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: #000;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 0 15px var(--neon-green);
  text-shadow: 0 0 5px var(--neon-green);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px var(--neon-green); }
  50% { box-shadow: 0 0 25px var(--neon-green), 0 0 35px var(--neon-cyan); }
}

.song-card .song-name { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.song-card .song-info { color: var(--text-secondary); font-size: 14px; }
.song-card .song-info div { margin-top: 4px; }
.song-card .song-remark { color: var(--neon-orange); font-size: 13px; margin-top: 6px !important; font-style: italic; }

.my-records { margin-top: 30px; }
.records-list { background-color: var(--bg-secondary); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-color); }

.record-item {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}

.record-item:last-child { border-bottom: none; }
.record-info { flex: 1; }
.record-info .song-name { font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.record-info .song-meta { font-size: 13px; color: var(--text-secondary); }

/* 祝福语优化样式 */
.blessing-text { 
  color: var(--neon-pink); 
  cursor: help; 
  border-bottom: 1px dashed var(--neon-pink);
}
.cancel-reason { color: var(--danger-color); font-size: 12px; }

/* 管理员表格祝福语单元格 - 允许换行显示完整内容 */
.blessing-cell { 
  white-space: normal !important;
  word-break: break-word;
}
.blessing-cell .blessing-text {
  color: var(--neon-pink);
  cursor: help;
  border-bottom: 1px dashed var(--neon-pink);
  word-break: break-word;
}

.record-status { padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; white-space: nowrap; display: inline-block; }

.status-pending { background-color: var(--neon-orange); color: #000; box-shadow: 0 0 10px var(--neon-orange); }
.status-playing { background-color: var(--neon-cyan); color: #000; box-shadow: 0 0 10px var(--neon-cyan); }

/* 支付状态样式 */
.payment-status { padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; white-space: nowrap; display: inline-block; }
.payment-unpaid { background-color: var(--danger-color); color: #fff; box-shadow: 0 0 10px var(--danger-color); }
.payment-paid { background-color: var(--neon-green); color: #000; box-shadow: 0 0 10px var(--neon-green); }

/* 支付方式选择样式 */
.payment-methods {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.payment-method-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px 25px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s;
  background-color: var(--bg-tertiary);
  min-width: 100px;
}

.payment-method-option:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.payment-method-option input[type="radio"] {
  display: none;
}

.payment-method-option input[type="radio"]:checked + .payment-icon + .payment-name {
  color: var(--neon-cyan);
}

.payment-method-option input[type="radio"]:checked ~ .payment-icon {
  transform: scale(1.2);
}

.payment-method-option:has(input:checked) {
  border-color: var(--neon-cyan);
  background-color: rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 20px var(--neon-cyan);
}

.payment-icon {
  font-size: 32px;
  margin-bottom: 8px;
  transition: transform 0.3s;
}

.payment-name {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

/* 付款方式显示标签 */
.payment-method-display {
  margin-bottom: 15px;
}

.payment-method-label {
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: #000;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 0 15px var(--neon-green);
}

/* 付款弹窗样式 */
.payment-modal-content { max-width: 400px; text-align: center; }
.payment-tips { color: var(--text-secondary); margin-bottom: 10px; font-size: 14px; }
.qrcode-display { margin: 20px auto; padding: 15px; background: #fff; border-radius: 12px; display: inline-block; max-width: 200px; }
.qrcode-display img { width: 100%; height: auto; display: block; }
.payment-order-info { margin-top: 15px; padding: 10px; background: var(--bg-tertiary); border-radius: 8px; font-size: 14px; color: var(--text-secondary); }

/* 系统设置样式 */
.settings-section { max-width: 800px; }
.settings-section h4 { margin-bottom: 20px; color: var(--neon-cyan); }
.qrcode-settings { background: var(--bg-tertiary); padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); }
.current-qrcode { margin: 15px 0; }
.current-qrcode img { max-width: 200px; border-radius: 8px; background: #fff; padding: 10px; }

/* 二维码网格布局 */
.qrcode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 20px;
}

.qrcode-item {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.qrcode-item h5 {
  text-align: center;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-size: 16px;
}

/* 支付方式标签 */
.payment-method-badge {
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 12px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.btn-primary-outline { background-color: transparent; color: var(--neon-cyan); border: 2px solid var(--neon-cyan); padding: 6px 12px; font-size: 12px; border-radius: 4px; cursor: pointer; margin: 2px; box-shadow: 0 0 8px var(--neon-cyan); font-weight: 600; }
.btn-primary-outline:hover { background-color: rgba(0, 255, 255, 0.2); box-shadow: 0 0 15px var(--neon-cyan); }

/* 角色标签样式 */
.role-badge { padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.role-super_admin { background-color: var(--neon-purple); color: #fff; box-shadow: 0 0 10px var(--neon-purple); }
.role-admin { background-color: var(--neon-cyan); color: #000; box-shadow: 0 0 10px var(--neon-cyan); }
.role-user { background-color: var(--bg-tertiary); color: var(--text-secondary); }

/* 移动端卡片式表格 */
@media (max-width: 600px) {
  .admin-content .admin-table {
    display: block;
    min-width: 100%;
    table-layout: auto;
  }
  .admin-content .admin-table thead {
    display: none;
  }
  .admin-content .admin-table tbody {
    display: block;
  }
  .admin-content .admin-table tr {
    display: block;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
  }
  .admin-content .admin-table td {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 6px 0;
    border: none;
    color: var(--text-primary);
    word-break: break-word;
    overflow: visible;
    text-overflow: clip;
  }
  .admin-content .admin-table td::before {
    content: attr(data-label) "：";
    font-weight: 600;
    color: var(--neon-cyan);
    min-width: 70px;
    text-align: left;
    flex-shrink: 0;
  }
  /* 移动端祝福语特殊处理 */
  .admin-content .admin-table td.blessing-cell {
    flex-direction: column;
    align-items: flex-start;
  }
  .admin-content .admin-table td.blessing-cell::before {
    margin-bottom: 4px;
  }
  .admin-content .admin-table td.blessing-cell .blessing-text {
    white-space: normal;
    word-break: break-word;
  }
}
.status-completed { background-color: var(--neon-green); color: #000; box-shadow: 0 0 10px var(--neon-green); }
.status-cancelled { background-color: var(--danger-color); color: #fff; box-shadow: 0 0 10px var(--danger-color); }

.no-records { padding: 40px; text-align: center; color: var(--text-muted); }

.sidebar {
  position: fixed;
  right: 0;
  top: 60px;
  bottom: 50px;
  width: 320px;
  background-color: var(--bg-secondary);
  box-shadow: var(--shadow);
  overflow-y: auto;
  padding: 20px;
  transition: background-color 0.3s;
  border-left: 1px solid var(--border-color);
}

.sidebar h3 { 
  margin-bottom: 15px; 
  padding-bottom: 10px; 
  border-bottom: 2px solid var(--border-color); 
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan);
}
.orders-list { display: flex; flex-direction: column; gap: 10px; }

.order-card {
  background-color: var(--bg-tertiary);
  padding: 15px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid var(--border-color);
}

.order-card .order-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.order-card .order-user { font-weight: 600; color: var(--neon-pink); }
.order-card .order-song { margin-bottom: 5px; color: var(--text-primary); }
.order-card .order-table { color: var(--text-secondary); font-size: 13px; }

.order-card .order-blessing {
  margin-top: 8px;
  padding: 8px;
  background-color: var(--bg-secondary);
  border-radius: 4px;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 13px;
  border-left: 3px solid var(--neon-purple);
}

.footer {
  background-color: var(--bg-secondary);
  padding: 15px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s;
  border-top: 1px solid var(--border-color);
}

.admin-container { min-height: 100vh; display: flex; flex-direction: column; }
.admin-main { flex: 1; padding: 20px; max-width: 1400px; margin: 0 auto; width: 100%; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-bottom: 30px; }

.stat-card {
  background-color: var(--bg-secondary);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: background-color 0.3s;
  border: 1px solid var(--border-color);
}

.stat-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.stat-card h4 { color: var(--text-secondary); font-size: 14px; margin-bottom: 8px; }
.stat-num { font-size: 32px; font-weight: 700; color: var(--neon-cyan); text-shadow: 0 0 10px var(--neon-cyan); }

.admin-tabs { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }

[data-admin-tab] {
  padding: 10px 20px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

[data-admin-tab].active { 
  background-color: rgba(0, 255, 255, 0.2); 
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.admin-content {
  display: none;
  background-color: var(--bg-secondary);
  padding: 20px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: background-color 0.3s;
  border: 1px solid var(--border-color);
}

.admin-content.active { display: block; }
.tab-toolbar { margin-bottom: 15px; }

.admin-table { width: 100%; border-collapse: collapse; table-layout: fixed; }

.admin-table th, .admin-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  overflow: visible;
}

.admin-table th { 
  background-color: var(--bg-tertiary); 
  font-weight: 600; 
  color: var(--neon-cyan);
}
.admin-table td { color: var(--text-secondary); }
.admin-table tr:hover td { background-color: rgba(0, 255, 255, 0.1); }

/* 表格列宽设置 - 订单确认页面 */
#ordersTab .admin-table th:nth-child(1), #ordersTab .admin-table td:nth-child(1) { width: 90px; min-width: 90px; } /* 用户 */
#ordersTab .admin-table th:nth-child(2), #ordersTab .admin-table td:nth-child(2) { width: 150px; min-width: 150px; } /* 歌曲 */
#ordersTab .admin-table th:nth-child(3), #ordersTab .admin-table td:nth-child(3) { width: 60px; min-width: 60px; white-space: nowrap; } /* 台号 */
#ordersTab .admin-table th:nth-child(4), #ordersTab .admin-table td:nth-child(4) { min-width: 150px; max-width: 200px; word-break: break-word; } /* 祝福语 */
#ordersTab .admin-table th:nth-child(5), #ordersTab .admin-table td:nth-child(5) { width: 90px; white-space: nowrap; } /* 支付方式 */
#ordersTab .admin-table th:nth-child(6), #ordersTab .admin-table td:nth-child(6) { width: 150px; white-space: nowrap; } /* 时间 */
#ordersTab .admin-table th:nth-child(7), #ordersTab .admin-table td:nth-child(7) { width: 160px; white-space: nowrap; } /* 操作 */

/* 表格列宽设置 - 点歌订单页面 */
#playingordersTab .admin-table th:nth-child(1), #playingordersTab .admin-table td:nth-child(1) { width: 90px; min-width: 90px; } /* 用户 */
#playingordersTab .admin-table th:nth-child(2), #playingordersTab .admin-table td:nth-child(2) { width: 150px; min-width: 150px; } /* 歌曲 */
#playingordersTab .admin-table th:nth-child(3), #playingordersTab .admin-table td:nth-child(3) { width: 60px; min-width: 60px; white-space: nowrap; } /* 台号 */
#playingordersTab .admin-table th:nth-child(4), #playingordersTab .admin-table td:nth-child(4) { min-width: 150px; max-width: 200px; word-break: break-word; } /* 祝福语 */
#playingordersTab .admin-table th:nth-child(5), #playingordersTab .admin-table td:nth-child(5) { width: 90px; white-space: nowrap; } /* 支付方式 */
#playingordersTab .admin-table th:nth-child(6), #playingordersTab .admin-table td:nth-child(6) { width: 70px; white-space: nowrap; } /* 状态 */
#playingordersTab .admin-table th:nth-child(7), #playingordersTab .admin-table td:nth-child(7) { width: 150px; white-space: nowrap; } /* 时间 */
#playingordersTab .admin-table th:nth-child(8), #playingordersTab .admin-table td:nth-child(8) { width: 160px; white-space: nowrap; } /* 操作 */

/* 用户管理表格 */
#usersTab .admin-table th:nth-child(1), #usersTab .admin-table td:nth-child(1) { width: 150px; } /* 用户名 */
#usersTab .admin-table th:nth-child(2), #usersTab .admin-table td:nth-child(2) { width: 100px; } /* 角色 */
#usersTab .admin-table th:nth-child(3), #usersTab .admin-table td:nth-child(3) { width: 80px; } /* 剩余次数 */
#usersTab .admin-table th:nth-child(4), #usersTab .admin-table td:nth-child(4) { width: 100px; } /* 安全码 */
#usersTab .admin-table th:nth-child(5), #usersTab .admin-table td:nth-child(5) { width: 80px; } /* 操作 */

/* CDK管理表格 */
#cdkTab .admin-table th:nth-child(1), #cdkTab .admin-table td:nth-child(1) { width: 200px; } /* CDK码 */
#cdkTab .admin-table th:nth-child(2), #cdkTab .admin-table td:nth-child(2) { width: 80px; } /* 点歌次数 */
#cdkTab .admin-table th:nth-child(3), #cdkTab .admin-table td:nth-child(3) { width: 80px; } /* 状态 */
#cdkTab .admin-table th:nth-child(4), #cdkTab .admin-table td:nth-child(4) { width: 150px; } /* 创建时间 */
#cdkTab .admin-table th:nth-child(5), #cdkTab .admin-table td:nth-child(5) { width: 150px; } /* 使用时间 */

/* 日志表格 */
#logsTab .admin-table th:nth-child(1), #logsTab .admin-table td:nth-child(1) { width: 150px; } /* 时间 */
#logsTab .admin-table th:nth-child(2), #logsTab .admin-table td:nth-child(2) { width: 100px; } /* 用户 */
#logsTab .admin-table th:nth-child(3), #logsTab .admin-table td:nth-child(3) { width: 100px; } /* 操作 */
#logsTab .admin-table th:nth-child(4), #logsTab .admin-table td:nth-child(4) { width: auto; } /* 详情 */

.cdk-generator { background-color: var(--bg-tertiary); padding: 20px; border-radius: 8px; margin-bottom: 20px; border: 1px solid var(--border-color); }
.cdk-generator h4 { margin-bottom: 15px; color: var(--neon-pink); }

.form-row { display: flex; gap: 10px; flex-wrap: wrap; }

.form-row input {
  flex: 1;
  min-width: 100px;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.tables-editor { max-width: 500px; }
.tables-list { margin-bottom: 15px; }

.table-item { display: flex; gap: 10px; margin-bottom: 10px; align-items: center; }

.table-item input {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.table-item .btn-remove {
  padding: 8px 12px;
  background-color: var(--danger-color);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 0 10px var(--danger-color);
}

.btn-add {
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: #000;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 15px;
  box-shadow: 0 0 15px var(--neon-green);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: var(--bg-secondary);
  padding: 30px;
  border-radius: 16px;
  width: 100%;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
  transition: background-color 0.3s;
  border: 1px solid var(--neon-cyan);
  animation: border-glow 3s infinite;
}

.modal-content h3 { 
  margin-bottom: 20px; 
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan);
}

.song-info { background-color: var(--bg-tertiary); padding: 15px; border-radius: 8px; margin-bottom: 20px; border: 1px solid var(--border-color); }
.song-info p { margin-bottom: 8px; color: var(--text-secondary); }
.song-info p:last-child { margin-bottom: 0; }

.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions button { flex: 1; }

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #000;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 2000;
  animation: slideUp 0.3s ease;
  box-shadow: 0 0 20px var(--neon-cyan);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.theme-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 20px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: all 0.3s;
}

.theme-toggle:hover { 
  box-shadow: 0 0 30px var(--neon-pink);
  transform: scale(1.1);
}

.cancel-reason { margin-top: 10px; }

.cancel-reason input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.btn-small { padding: 6px 12px; font-size: 12px; border-radius: 4px; border: none; cursor: pointer; margin: 2px; }
.btn-success { background-color: var(--neon-green); color: #000; box-shadow: 0 0 10px var(--neon-green); }
.btn-warning { background-color: var(--neon-orange); color: #000; box-shadow: 0 0 10px var(--neon-orange); }
.btn-danger { 
  background-color: #e74c3c; 
  color: #fff; 
  box-shadow: 0 0 10px #e74c3c; 
  border: 1px solid #c0392b;
  font-weight: 600;
}

@media (max-width: 768px) {
  .header { flex-direction: column; gap: 10px; align-items: flex-start; }
  .header-right { width: 100%; }
  .user-info { flex-wrap: wrap; justify-content: flex-start; gap: 8px; }
  .songs-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { display: none; }
  .modal-content { padding: 20px; max-width: 95%; margin: 10px; }
  .auth-box { padding: 20px; }
  .admin-main { padding: 10px; }
  .admin-content { padding: 15px 10px; }
  .admin-tabs { flex-wrap: wrap; gap: 5px; }
  .admin-tabs .tab-btn { flex: 1 1 auto; min-width: 80px; padding: 8px 10px; font-size: 13px; }
  
  /* 表格水平滚动 */
  .admin-content { overflow-x: auto; }
  .admin-table { min-width: 600px; font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px 6px; white-space: nowrap; }
  .admin-table th:nth-child(5), .admin-table td:nth-child(5) { min-width: 150px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .search-box { flex-direction: column; }
  .btn-search { width: 100%; }
  .admin-tabs { flex-direction: column; }
  [data-admin-tab] { width: 100%; text-align: center; }
  .header h2 { font-size: 18px; }
  .record-status { padding: 4px 8px; font-size: 11px; }
  .btn-small { padding: 4px 8px; font-size: 11px; }
}