/* 后台管理样式 */
.admin-wrap { max-width: 1000px; margin: 0 auto; padding: 24px 18px 60px; }
.admin-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; flex-wrap: wrap; gap: 10px;
}
.admin-head h1 { font-size: 22px; margin: 0; }
.admin-head .links a { color: var(--primary); margin-left: 14px; font-size: 14px; }

.login-mask {
  position: fixed; inset: 0; background: rgba(31,35,48,0.5);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.login-card {
  background: #fff; padding: 30px; border-radius: var(--radius);
  box-shadow: var(--shadow); width: 320px; text-align: center;
}
.login-card h2 { margin: 0 0 16px; font-size: 18px; }
.login-card input {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: 10px; font-size: 15px; margin-bottom: 14px; outline: none;
}
.login-card button {
  width: 100%; padding: 11px; border: none; background: var(--primary);
  color: #fff; border-radius: 10px; font-size: 15px; cursor: pointer;
}
.login-card .err { color: #dc2626; font-size: 13px; min-height: 18px; }

.admin-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); margin-bottom: 20px; flex-wrap: wrap; }
.admin-tabs .tab { border-radius: 10px 10px 0 0; }
.admin-tabs .tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.panel-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.panel-box h3 { margin: 0 0 16px; font-size: 16px; }
.hidden { display: none !important; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.form-grid label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 5px; }
.form-grid input, .form-grid select, .form-grid textarea {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 9px;
  font-size: 14px; color: var(--text); outline: none; font-family: inherit;
}
.form-grid textarea { resize: vertical; min-height: 60px; }
.form-actions { margin-top: 14px; display: flex; gap: 10px; }
.btn {
  padding: 9px 18px; border: none; border-radius: 9px; font-size: 14px;
  cursor: pointer; background: var(--primary); color: #fff;
}
.btn:hover { background: var(--primary-dark); }
.btn.ghost { background: #eef0f7; color: var(--text); }
.btn.ghost:hover { background: #e2e5ef; }
.btn.danger { background: #ef4444; }
.btn.danger:hover { background: #dc2626; }
.btn.sm { padding: 5px 12px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
td .row-actions { display: flex; gap: 6px; }
.preview-icon { width: 22px; height: 22px; border-radius: 6px; vertical-align: middle; }
.muted { color: var(--muted); }
.tag { display: inline-block; padding: 1px 8px; background: #eef0f7; border-radius: 999px; font-size: 12px; }
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1f2330; color: #fff; padding: 11px 20px; border-radius: 10px;
  font-size: 14px; opacity: 0; transition: opacity 0.25s; z-index: 60; pointer-events: none;
}
.toast.show { opacity: 1; }

/* ---------- 面板头部行 ---------- */
.panel-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-head-row h3 { margin: 0; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45);
  display: none; align-items: flex-start; justify-content: center;
  padding: 6vh 16px; z-index: 70; overflow-y: auto;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  width: 100%; max-width: 480px; animation: modalIn 0.18s ease-out;
}
.modal-lg { max-width: 760px; }
@keyframes modalIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-close {
  border: none; background: transparent; font-size: 26px; line-height: 1;
  color: var(--muted); cursor: pointer; padding: 0 4px;
}
.modal-close:hover { color: var(--text); }

.modal-form { padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-form label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 6px; }
.modal-form label > span { font-weight: 600; }
.modal-form input, .modal-form select, .modal-form textarea {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px;
  font-size: 14px; color: var(--text); outline: none; font-family: inherit; background: #fff;
}
.modal-form input:focus, .modal-form select:focus, .modal-form textarea:focus { border-color: var(--primary); }
.modal-form textarea { resize: vertical; min-height: 64px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.modal-actions { padding: 0 22px 22px; }

.icon-row { display: flex; gap: 8px; align-items: center; }
.icon-row input { flex: 1 1 auto; }
.icon-preview { margin-top: 2px; }
.icon-preview img { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; border: 1px solid var(--border); }

/* 文章状态徽标 */
.status-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.status-badge.on { background: #d1fae5; color: #047857; }
.status-badge.off { background: #e5e7eb; color: #6b7280; }

/* ---------- 富文本编辑器 ---------- */
.editor-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; border: 1px solid var(--border); border-radius: 9px 9px 0 0; background: #f8fafc; }
.editor-toolbar button {
  border: 1px solid var(--border); background: #fff; border-radius: 7px;
  padding: 5px 9px; font-size: 13px; cursor: pointer; color: var(--text); min-width: 34px;
}
.editor-toolbar button:hover { background: #eef2f7; border-color: var(--primary-light); }
.editor {
  min-height: 220px; max-height: 50vh; overflow-y: auto;
  border: 1px solid var(--border); border-top: none; border-radius: 0 0 9px 9px;
  padding: 14px; font-size: 14px; line-height: 1.7; color: var(--text); outline: none;
  background: #fff;
}
.editor:empty:before { content: attr(data-placeholder); color: #9ca3af; }
.editor img { max-width: 100%; border-radius: 8px; }
.editor a { color: var(--primary); }
.editor h2 { font-size: 19px; margin: 14px 0 8px; }
.editor blockquote { margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--primary-light); background: #f0fdfa; color: var(--muted); }
.editor ul, .editor ol { padding-left: 22px; }

/* ---------- loading ---------- */
.loading-overlay {
  position: fixed; inset: 0; background: rgba(255,255,255,0.55);
  display: none; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; z-index: 80; backdrop-filter: blur(1px);
}
.loading-overlay.show { display: flex; }
.loading-text { font-size: 14px; color: var(--text); }
.spinner {
  width: 42px; height: 42px; border: 4px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.mini-spinner {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px;
  border: 2px solid rgba(255,255,255,0.5); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.7s linear infinite; margin-right: 6px;
}
.btn.loading, .btn-loading { opacity: 0.85; cursor: progress; }

/* 分类图标预览与颜色 */
.color-row { display: flex; align-items: center; gap: 10px; }
.color-row input[type="color"] { width: 48px; height: 36px; padding: 2px; border: 1px solid var(--border); border-radius: 8px; background: #fff; cursor: pointer; }
.color-value { font-size: 13px; color: var(--muted); font-family: monospace; }
.cat-icon-preview { margin-top: 8px; min-height: 42px; display: flex; align-items: center; }
.cat-icon-preview i { font-size: 28px; }
.cat-row-icon { font-size: 18px; }

/* 站点分类筛选 */
.filter-row { display: flex; align-items: center; gap: 10px; }
.filter-row select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 9px; font-size: 14px; outline: none; background: #fff; }

/* 图标选择器 */
.icon-picker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 8px; max-height: 50vh; overflow-y: auto; padding: 4px; }
.icon-picker-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 10px 4px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; background: #fff; transition: all 0.15s; }
.icon-picker-item:hover { border-color: var(--primary); background: #f0fdfa; }
.icon-picker-item.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.icon-picker-item i { font-size: 20px; }
.icon-picker-item span { font-size: 11px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 确认弹窗 */
.confirm-modal { max-width: 380px; }
.confirm-modal p { margin: 0; color: #1e293b; line-height: 1.6; }

@media (max-width: 560px) {
  .two-col { grid-template-columns: 1fr; }
  .modal { max-width: 100%; }
  .filter-row { flex-wrap: wrap; }
}

/* ================= 后台深色主题补正 ================= */
/* 后台基于 style.css 的科技暗色变量，以下元素使用浅色背景，必须配深色文字 */
body { background: var(--bg); color: var(--text); }

.login-card { color: #1e293b; }
.login-card h2 { color: #1e293b; }
.login-card input { color: #1e293b; }
.login-card .muted { color: #64748b; }

.form-grid input, .form-grid select, .form-grid textarea,
.modal-form input, .modal-form select, .modal-form textarea,
.filter-row select, #iconPickerSearch, .editor {
  color: #1e293b;
}

.modal { color: #1e293b; }
.modal-head h3 { color: #1e293b; }
.modal-form label { color: #475569; }

.editor-toolbar { background: #f1f5f9; }
.editor-toolbar button { background: #fff; color: #334155; border-color: #cbd5e1; }
.editor-toolbar button:hover { background: #e2e8f0; }

.btn.ghost { background: #e2e8f0; color: #1e293b; }
.btn.ghost:hover { background: #cbd5e1; }

.tag { background: #e2e8f0; color: #1e293b; }

.icon-picker-item { color: #334155; }
.icon-picker-item:hover { background: #f0f9ff; border-color: var(--primary); }
.icon-picker-item.active { background: var(--primary); color: #fff; }
.icon-picker-item.active i { color: #fff; }