/* ====================================================
   PhoneKTV 后台管理 · 样式表
   设计风格：与雯兮软件工作室后台保持一致
   主色：紫色渐变（KTV 主题）
==================================================== */

:root {
  color-scheme: dark;
  --bg:            #0f0f13;
  --sidebar-bg:    #16161d;
  --card-bg:       #1c1c26;
  --card-hover:    #22222f;
  --border:        #2a2a3a;
  --text-primary:  #e8e8f0;
  --text-secondary:#8888a8;
  --text-muted:    #555568;
  --primary:       #8b5cf6;
  --primary-hover: #7c3aed;
  --primary-glow:  rgba(139,92,246,.25);
  --danger:        #ef4444;
  --danger-hover:  #dc2626;
  --success:       #22c55e;
  --warning:       #f59e0b;
  --info:          #3b82f6;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 4px 24px rgba(0,0,0,.45);
  --transition:    all .18s ease;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ====================================================
   登录页
==================================================== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #1a0a2e 0%, #0f0f13 70%);
}

.login-box {
  width: 360px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px 36px;
  box-shadow: var(--shadow);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.login-logo .logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.login-logo .logo-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.login-logo .logo-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.login-box h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 24px;
  color: var(--text-primary);
}

.login-tip {
  font-size: 12px;
  color: var(--danger);
  margin-top: 10px;
  min-height: 18px;
  text-align: center;
}

/* ====================================================
   布局
==================================================== */
.admin-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* 侧边栏 */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .s-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-logo .s-logo-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-logo .s-logo-sub {
  font-size: 11px;
  color: var(--text-secondary);
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 18px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  transition: var(--transition);
  cursor: pointer;
  font-size: 13.5px;
}

.nav-item:hover {
  background: var(--card-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 500;
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-bottom {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.admin-name {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 主内容区 */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
  background: var(--bg);
}

/* ====================================================
   页面头部
==================================================== */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.page-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.page-header-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* ====================================================
   按钮
==================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger:hover {
  background: rgba(239,68,68,.12);
  border-color: var(--danger);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; padding: 11px; font-size: 14px; }
.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ====================================================
   统计卡片
==================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow);
  transform: translateY(-2px);
}

.stat-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.stat-body { flex: 1; min-width: 0; }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger  { color: var(--danger); }
.stat-value.info    { color: var(--info); }

.stat-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ====================================================
   图表行 / 卡片
==================================================== */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 简单柱状图 */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
}

.bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}

.bar-fill {
  width: 100%;
  background: linear-gradient(to top, var(--primary), #ec4899);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  transition: height .3s ease;
}

.bar-label {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-align: center;
}

/* ====================================================
   排行榜
==================================================== */
.rank-list { display: flex; flex-direction: column; gap: 8px; }

.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.rank-item:hover { border-color: var(--primary); }

.rank-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-num { background: #f59e0b; color: #000; }
.rank-item:nth-child(2) .rank-num { background: #9ca3af; color: #000; }
.rank-item:nth-child(3) .rank-num { background: #b45309; color: #fff; }

.rank-emoji { font-size: 20px; flex-shrink: 0; }
.rank-info { flex: 1; min-width: 0; }
.rank-title { font-size: 13px; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-artist { font-size: 11px; color: var(--text-secondary); }
.rank-count { font-size: 13px; font-weight: 600; color: var(--primary); flex-shrink: 0; }

/* ====================================================
   表格
==================================================== */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-bar input,
.search-bar select {
  flex: 1;
  min-width: 180px;
  padding: 8px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  transition: var(--transition);
}

.search-bar input:focus,
.search-bar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: rgba(139,92,246,.07);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: var(--card-hover); }

.table-loading {
  text-align: center;
  padding: 40px !important;
  color: var(--text-muted);
}

/* 表格操作按钮 */
.action-btns { display: flex; gap: 6px; flex-wrap: wrap; }

/* 分页 */
.pagination {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-btn {
  padding: 5px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ====================================================
   徽章 / 状态标签
==================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: rgba(34,197,94,.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-danger  { background: rgba(239,68,68,.15);  color: var(--danger); }
.badge-info    { background: rgba(59,130,246,.15);  color: var(--info); }
.badge-purple  { background: rgba(139,92,246,.15);  color: var(--primary); }
.badge-muted   { background: rgba(85,85,104,.2);    color: var(--text-muted); }

/* ====================================================
   进度条
==================================================== */
.progress-wrap {
  background: var(--border);
  border-radius: 20px;
  height: 6px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 20px;
  background: linear-gradient(90deg, var(--primary), #ec4899);
  transition: width .4s ease;
}

/* ====================================================
   表单
==================================================== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.required { color: var(--danger); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 13px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin: 18px 0 14px;
}

/* ====================================================
   弹窗
==================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn .15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 520px;
  max-width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
  animation: slideUp .2s ease;
}

.modal-wide { width: 700px; }

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-header h3 { margin: 0; font-size: 16px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: var(--transition);
}

.modal-close:hover { color: var(--text-primary); background: var(--card-hover); }

.modal-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* ====================================================
   设置页
==================================================== */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.settings-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.settings-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 18px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.config-item:last-child { border-bottom: none; }

.config-info { flex: 1; min-width: 0; padding-right: 16px; }
.config-key { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.config-desc { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.config-value-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.config-value-input {
  width: 120px;
  padding: 6px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  text-align: right;
}

.config-value-input:focus {
  outline: none;
  border-color: var(--primary);
}

/* ====================================================
   AI 任务状态
==================================================== */
.job-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  transition: var(--transition);
}

.job-card:hover { border-color: var(--primary); }

.job-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
  flex-wrap: wrap;
}

.job-id {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.job-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
}

.job-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ====================================================
   Toast 提示
==================================================== */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 22px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  z-index: 9999;
  transition: transform .25s ease, opacity .25s ease;
  opacity: 0;
  max-width: 360px;
  text-align: center;
  white-space: pre-line;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger); }
.toast.warning { border-color: var(--warning); color: var(--warning); }

/* ====================================================
   健康状态
==================================================== */
.health-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.health-dot.ok     { background: var(--success); box-shadow: 0 0 6px var(--success); }
.health-dot.warn   { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.health-dot.error  { background: var(--danger);  box-shadow: 0 0 6px var(--danger); }
.health-dot.pulse  { animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.health-label { font-size: 13px; font-weight: 500; color: var(--text-primary); flex: 1; }
.health-value { font-size: 12px; color: var(--text-secondary); }

/* ====================================================
   响应式
==================================================== */
@media (max-width: 900px) {
  .sidebar { width: 60px; }
  .sidebar-logo .s-logo-text,
  .sidebar-logo .s-logo-sub,
  .nav-section-label,
  .nav-item span:not(.nav-icon),
  .admin-name { display: none; }
  .nav-item { justify-content: center; padding: 10px; }
  .charts-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .main-content { padding: 20px 16px; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ====================================================
   导入歌曲 · 流程说明条
==================================================== */
.info-banner {
  background: linear-gradient(135deg, rgba(139,92,246,.1), rgba(59,130,246,.08));
  border: 1px solid rgba(139,92,246,.25);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.info-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.info-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-primary);
}

.info-step-arrow {
  color: var(--text-muted);
  font-size: 16px;
  flex-shrink: 0;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 导入状态徽章 */
.import-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.import-badge.downloading { background: rgba(59,130,246,.15);  color: var(--info);    border: 1px solid rgba(59,130,246,.3); }
.import-badge.separating  { background: rgba(245,158,11,.15);  color: var(--warning); border: 1px solid rgba(245,158,11,.3); }
.import-badge.ready       { background: rgba(34,197,94,.15);   color: var(--success); border: 1px solid rgba(34,197,94,.3); }
.import-badge.error       { background: rgba(239,68,68,.15);   color: var(--danger);  border: 1px solid rgba(239,68,68,.3); }
.import-badge.manual      { background: rgba(136,136,168,.12); color: var(--text-secondary); border: 1px solid var(--border); }

/* 旋转动画（用于处理中状态） */
.spin { animation: spin 1.2s linear infinite; display: inline-block; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ====================================================
   歌曲管理 · 卡片网格
==================================================== */
.songs-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.songs-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 13px;
}

.song-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.song-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #ec4899);
  opacity: 0;
  transition: opacity .2s ease;
}

.song-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow), 0 8px 24px rgba(0,0,0,.3);
  transform: translateY(-2px);
}

.song-card:hover::before { opacity: 1; }

.song-card-hidden {
  opacity: 0.5;
}

/* 卡片顶部 */
.song-card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.song-card-cover {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(139,92,246,.2), rgba(236,72,153,.15));
  border: 1px solid rgba(139,92,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.song-card-info {
  flex: 1;
  min-width: 0;
}

.song-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.song-card-artist {
  font-size: 12px;
  color: var(--text-secondary);
}

.song-card-status {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  flex-shrink: 0;
}

/* 歌曲小徽章 */
.song-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}
.song-badge-success { background: rgba(34,197,94,.15);   color: var(--success); }
.song-badge-muted   { background: rgba(85,85,104,.2);    color: var(--text-muted); }
.song-badge-purple  { background: rgba(139,92,246,.15);  color: var(--primary); }
.song-badge-info    { background: rgba(59,130,246,.15);  color: var(--info); }
.song-badge-blue    { background: rgba(59,130,246,.12);  color: #60a5fa; }

/* 资源三列 */
.song-card-res {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.song-res-col {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.song-res-col-has {
  border-color: rgba(139,92,246,.25);
  background: rgba(139,92,246,.04);
}

.song-res-col-none {
  opacity: 0.45;
}

.song-res-icon {
  font-size: 16px;
  color: var(--primary);
  line-height: 1;
}

.song-res-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: .3px;
}

.song-res-link {
  font-size: 11px;
  color: var(--primary);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  font-weight: 500;
  transition: color .15s;
}
.song-res-link:hover { color: #ec4899; }

.song-res-empty {
  font-size: 12px;
  color: var(--text-muted);
}

/* 元信息行 */
.song-card-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text-muted);
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.song-card-meta span { white-space: nowrap; }

/* 操作栏 */
.song-card-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ====================================================
   导入歌曲 · 新卡片列表
==================================================== */
.import-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 8px;
}

.import-loading {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 13px;
}

.import-empty {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-muted);
}

.import-empty-icon { font-size: 40px; margin-bottom: 12px; }
.import-empty-text { font-size: 15px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.import-empty-sub  { font-size: 13px; }

/* 单张导入卡片 */
.import-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.import-card:hover {
  border-color: rgba(139,92,246,.35);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

/* 卡片头部 */
.import-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.import-card-emoji {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(139,92,246,.2), rgba(236,72,153,.15));
  border: 1px solid rgba(139,92,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.import-card-meta {
  flex: 1;
  min-width: 0;
}

.import-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.import-card-artist {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.import-card-badge { flex-shrink: 0; }

.import-card-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* 进度步骤条 */
.import-steps {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  overflow-x: auto;
}

.import-step {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: 120px;
}

.import-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}

/* 等待 */
.import-step-wait .import-step-dot {
  background: var(--border);
  color: var(--text-muted);
  border: 2px solid var(--border);
}

/* 进行中 */
.import-step-active .import-step-dot {
  background: linear-gradient(135deg, var(--primary), #ec4899);
  color: #fff;
  box-shadow: 0 0 12px var(--primary-glow);
}

/* 完成 */
.import-step-done .import-step-dot {
  background: rgba(34,197,94,.15);
  color: var(--success);
  border: 2px solid rgba(34,197,94,.3);
}

/* 失败 */
.import-step-error .import-step-dot {
  background: rgba(239,68,68,.15);
  color: var(--danger);
  border: 2px solid rgba(239,68,68,.3);
}

.import-step-body {
  flex: 1;
}

.import-step-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.import-step-active .import-step-label { color: var(--primary); }
.import-step-done   .import-step-label { color: var(--success); }
.import-step-error  .import-step-label { color: var(--danger); }

/* 进度条（步骤内嵌） */
.import-step-bar {
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  margin-top: 5px;
  overflow: hidden;
  width: 80px;
}

.import-step-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #ec4899);
  border-radius: 3px;
  transition: width .5s ease;
}

/* 步骤连接线 */
.import-step-line {
  flex: 1;
  height: 2px;
  margin: 0 8px;
  border-radius: 2px;
  flex-shrink: 0;
  min-width: 20px;
  max-width: 40px;
}

.import-step-line-done { background: rgba(34,197,94,.4); }
.import-step-line-wait { background: var(--border); }

/* 资源访问区 */
.import-card-res {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.res-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: var(--transition);
  white-space: nowrap;
}

.res-btn-orig {
  background: rgba(59,130,246,.12);
  color: var(--info);
  border: 1px solid rgba(59,130,246,.25);
}
.res-btn-orig:hover {
  background: rgba(59,130,246,.2);
  border-color: var(--info);
}

.res-btn-accomp {
  background: rgba(139,92,246,.12);
  color: var(--primary);
  border: 1px solid rgba(139,92,246,.25);
}
.res-btn-accomp:hover {
  background: rgba(139,92,246,.2);
  border-color: var(--primary);
}

.res-btn-lyric {
  background: rgba(34,197,94,.1);
  color: var(--success);
  border: 1px solid rgba(34,197,94,.2);
}
.res-btn-lyric:hover {
  background: rgba(34,197,94,.18);
  border-color: var(--success);
}

.res-btn-none {
  background: transparent;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  cursor: default;
}

.res-btn-icon { font-size: 14px; }

/* 进度消息 */
.import-card-msg {
  font-size: 12px;
  color: var(--text-muted);
  padding: 7px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border);
}

.import-card-msg-error {
  color: var(--danger);
  border-left-color: var(--danger);
  background: rgba(239,68,68,.05);
}

/* 不确定进度动画 */
@keyframes indeterminate {
  0%   { transform: translateX(-100%); width: 60%; }
  50%  { transform: translateX(100%);  width: 60%; }
  100% { transform: translateX(200%);  width: 60%; }
}

/* 管理中心返回入口 */
.hub-back-link {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 12px; margin-bottom: 16px;
  border-radius: var(--radius);
  background: rgba(139,92,246,0.08);
  border: 1px solid rgba(139,92,246,0.18);
  color: #a78bfa;
  font-size: 13px; font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}
.hub-back-link:hover {
  background: rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.3);
}
.hub-back-icon { font-size: 0.9rem; }
.hub-back-arrow { margin-left: auto; opacity: 0.7; font-size: 0.75rem; }

/* ====================================================
   音频播放器弹窗
==================================================== */
.audio-player-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.audio-player-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: min(480px, 92vw);
  padding: 0;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  overflow: hidden;
  animation: playerIn 0.22s cubic-bezier(.34,1.56,.64,1);
}
@keyframes playerIn {
  from { opacity: 0; transform: scale(0.88) translateY(20px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);    }
}
.audio-player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
}
.audio-player-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 12px;
}
.audio-player-close {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.08);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.audio-player-close:hover {
  background: rgba(239,68,68,0.2);
  color: var(--danger);
}
.audio-player-body {
  padding: 20px 20px 16px;
}
/* 覆盖浏览器默认 audio 样式，使其与深色主题一致 */
.audio-player-body audio {
  width: 100%;
  height: 48px;
  border-radius: 10px;
  outline: none;
  /* Chrome 深色滚动条 */
  color-scheme: dark;
}
.audio-player-hint {
  padding: 0 20px 14px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}