/* admin.css - 后台管理全局样式 */
/* 字体使用系统字体栈，避免外部字体依赖与 CSP 拦截 */

:root {
  --primary: #1ea6e6;
  --primary-dark: #1295d2;
  --primary-light: #e2f3ff;
  --bg: #f0f2f5;
  --bg-white: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #666;
  --text-muted: #999;
  --border: #e4e7ed;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --sidebar-w: 220px;
}

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

body {
  font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border: none; border-radius: var(--radius);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 0.2s; line-height: 1.5;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #16a34a; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 12px; font-size: 13px; }
.btn-xs { padding: 2px 8px; font-size: 12px; }
.btn-icon { padding: 6px; width: 32px; height: 32px; justify-content: center; border-radius: 6px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; transition: border-color 0.2s;
  background: #fff; outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.form-textarea { min-height: 80px; resize: vertical; }
.form-select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23999' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Toggle Switch ── */
.toggle { position: relative; display: inline-block; width: 44px; height: 24px; cursor: pointer; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: #ccc; border-radius: 24px; transition: 0.3s; }
.toggle-slider:before { content: ''; position: absolute; height: 18px; width: 18px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: 0.3s; }
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider:before { transform: translateX(20px); }

/* ── Toast Notifications ── */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 10000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: 6px; color: #fff; font-size: 14px; box-shadow: var(--shadow); animation: slideIn 0.3s ease; display: flex; align-items: center; gap: 8px; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Modal ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 9000; display: flex; align-items: center; justify-content: center; animation: fadeIn 0.2s; }
.modal { background: #fff; border-radius: 12px; width: 90%; max-width: 600px; max-height: 85vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.15); animation: scaleIn 0.25s ease; }
.modal-lg { max-width: 780px; }
.modal-header { padding: 20px 24px 0; display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 18px; font-weight: 600; }
.modal-close { width: 32px; height: 32px; border: none; background: none; font-size: 20px; cursor: pointer; border-radius: 6px; color: var(--text-muted); display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: var(--bg); }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 0 24px 20px; display: flex; justify-content: flex-end; gap: 10px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Table ── */
.table-wrap { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.toolbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); gap: 12px; flex-wrap: wrap; }
.toolbar-title { font-size: 16px; font-weight: 600; }
.toolbar-actions { display: flex; gap: 10px; align-items: center; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; background: #fafafa; }
.data-table tr:hover td { background: #f8fbff; }
.data-table .actions { display: flex; gap: 6px; }
.data-table .empty-row td { text-align: center; padding: 40px; color: var(--text-muted); }

/* ── Badge / Tag ── */
.badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.badge-active { background: #dcfce7; color: #166534; }
.badge-inactive { background: #fee2e2; color: #991b1b; }
.badge-local { background: #e2f3ff; color: var(--primary-dark); }
.badge-netdisk { background: #fef3c7; color: #92400e; }

/* ── Card / Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .stat-icon { font-size: 24px; opacity: 0.3; }

/* ── Image upload ── */
.img-upload { display: flex; align-items: center; gap: 16px; }
.img-preview { width: 80px; height: 80px; border-radius: 8px; border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center; overflow: hidden; background: #fafafa; }
.img-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.img-preview.empty:before { content: '暂无'; font-size: 12px; color: var(--text-muted); }

/* ── Download link row (in software modal) ── */
.link-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.link-row:last-child { border-bottom: none; }
.link-row .form-select { width: 140px; flex-shrink: 0; }
.link-row .form-input { flex: 1; }
.link-row .btn-remove { flex-shrink: 0; color: var(--danger); }
.link-add-bar { display: flex; gap: 8px; margin-top: 10px; padding: 10px; background: var(--bg); border-radius: 6px; }

/* ── Page header ── */
.page-header { margin-bottom: 20px; }
.page-header h1 { font-size: 22px; font-weight: 700; }
.page-header p { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: 1fr; }
  .modal { width: 95%; max-height: 90vh; }
  .toolbar { flex-direction: column; align-items: flex-start; }
}