/* ============================================================================
   LX500 管理后台专用样式
   ============================================================================ */

.login-page {
    position: fixed; inset: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    display: flex; align-items: center; justify-content: center; z-index: 9999;
}
.login-box {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 40px; width: 380px; max-width: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.login-logo p { font-size: 14px; color: var(--text-muted); }
.login-field {
    position: relative; margin-bottom: 20px; display: flex; align-items: center;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: 8px; transition: var(--transition);
}
.login-field:focus-within { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.login-field i { padding: 0 14px; color: var(--text-muted); font-size: 16px; }
.login-field input { flex: 1; background: none; border: none; outline: none; padding: 12px 0; color: var(--text-primary); font-size: 15px; }
.login-btn {
    width: 100%; padding: 13px; background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: white; border: none; border-radius: 8px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px;
}
.login-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,130,246,0.4); }
.login-hint { margin-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); }
.login-hint a { color: var(--accent-blue-light); text-decoration: none; }

.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 240px; background: var(--bg-secondary); border-right: 1px solid var(--border-color);
    display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 100; transition: width 0.3s;
}
.admin-sidebar.collapsed { width: 64px; }
.admin-sidebar.collapsed .sidebar-logo span, .admin-sidebar.collapsed .sidebar-item span { display: none; }
.sidebar-logo { display: flex; align-items: center; gap: 10px; padding: 20px; border-bottom: 1px solid var(--border-color); font-size: 18px; font-weight: 700; color: var(--text-primary); }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-footer { padding: 12px 0; border-top: 1px solid var(--border-color); }
.sidebar-item { display: flex; align-items: center; gap: 12px; padding: 11px 20px; color: var(--text-secondary); font-size: 14px; text-decoration: none; transition: var(--transition); position: relative; }
.sidebar-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.sidebar-item.active { background: rgba(59,130,246,0.1); color: var(--accent-blue-light); border-right: 3px solid var(--accent-blue); }
.sidebar-item i { width: 20px; text-align: center; font-size: 16px; }
.nav-badge { background: var(--color-hot); color: white; font-size: 11px; padding: 2px 6px; border-radius: 10px; margin-left: auto; }

.admin-main { flex: 1; margin-left: 240px; transition: margin-left 0.3s; }
.admin-sidebar.collapsed + .admin-main { margin-left: 64px; }
.admin-topbar { background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); padding: 14px 24px; display: flex; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 50; }
.sidebar-toggle { background: none; border: none; color: var(--text-secondary); font-size: 20px; cursor: pointer; padding: 4px; }
.admin-topbar h2 { font-size: 18px; font-weight: 600; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 16px; font-size: 13px; }
.admin-name { color: var(--accent-blue-light); font-weight: 600; }
.admin-time { color: var(--text-muted); }
.admin-content { padding: 24px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; display: flex; align-items: center; gap: 16px; transition: var(--transition); }
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-card .stat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: white; }
.stat-card .stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.stat-card .stat-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-card .stat-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.stat-card .stat-icon.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.stat-card .stat-icon.purple { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
.stat-card .stat-info { flex: 1; }
.stat-card .stat-num { font-size: 24px; font-weight: 800; color: var(--text-primary); }
.stat-card .stat-text { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.data-table-wrap { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { padding: 12px 16px; text-align: left; background: var(--bg-secondary); color: var(--text-secondary); font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--border-color); }
.data-table td { padding: 10px 16px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--bg-card-hover); }
.data-table .col-name { font-weight: 600; }
.data-table .col-price { color: var(--color-hot); font-weight: 700; }

.btn-act { padding: 5px 10px; border-radius: 6px; font-size: 12px; cursor: pointer; transition: var(--transition); border: 1px solid; display: inline-flex; align-items: center; gap: 4px; }
.btn-act-edit { background: rgba(59,130,246,0.1); color: var(--accent-blue-light); border-color: rgba(59,130,246,0.3); }
.btn-act-edit:hover { background: var(--accent-blue); color: white; }
.btn-act-del { background: rgba(239,68,68,0.1); color: var(--color-hot); border-color: rgba(239,68,68,0.3); }
.btn-act-del:hover { background: var(--color-hot); color: white; }
.btn-act-view { background: rgba(100,116,139,0.1); color: var(--text-secondary); border-color: rgba(100,116,139,0.3); }
.btn-act-view:hover { background: var(--text-muted); color: white; }
.btn-act-toggle { background: rgba(245,158,11,0.1); color: var(--color-sale); border-color: rgba(245,158,11,0.3); }
.btn-act-toggle:hover { background: var(--color-sale); color: white; }
.btn-act-reply { background: rgba(16,185,129,0.1); color: var(--color-success); border-color: rgba(16,185,129,0.3); }
.btn-act-reply:hover { background: var(--color-success); color: white; }

.btn-primary { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; background: linear-gradient(135deg, #3b82f6, #06b6d4); color: white; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,246,0.3); }
.btn-secondary { padding: 9px 18px; background: var(--bg-card); color: var(--text-secondary); border: 1px solid var(--border-color); border-radius: 8px; font-size: 14px; cursor: pointer; transition: var(--transition); }
.btn-secondary:hover { border-color: var(--border-hover); color: var(--text-primary); }
.btn-danger { padding: 9px 18px; background: var(--color-hot); color: white; border: none; border-radius: 8px; font-size: 14px; cursor: pointer; }

.data-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.data-toolbar-left { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.data-toolbar-left h3 { white-space: nowrap; }
.data-table input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent-blue); cursor: pointer; }
.filter-select, .filter-input { padding: 8px 12px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 13px; }
.filter-select:focus, .filter-input:focus { outline: none; border-color: var(--accent-blue); }

.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; align-items: center; }
.pagination button { padding: 6px 12px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 6px; color: var(--text-primary); font-size: 13px; cursor: pointer; transition: var(--transition); }
.pagination button:hover { border-color: var(--accent-blue); }
.pagination button.active { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination .page-info { color: var(--text-muted); font-size: 13px; margin: 0 8px; }

.admin-form-group { margin-bottom: 16px; }
.admin-form-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.admin-form-group label .req { color: var(--color-hot); }
.admin-form-group input, .admin-form-group select, .admin-form-group textarea { width: 100%; padding: 9px 12px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 14px; font-family: inherit; transition: var(--transition); }
.admin-form-group input:focus, .admin-form-group select:focus, .admin-form-group textarea:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.admin-form-group textarea { resize: vertical; min-height: 80px; }
.admin-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.admin-form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.status-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.status-tag.online { background: rgba(16,185,129,0.15); color: var(--color-success); }
.status-tag.offline { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.status-tag.pending { background: rgba(245,158,11,0.15); color: var(--color-sale); }
.status-tag.read { background: rgba(59,130,246,0.15); color: var(--accent-blue-light); }
.status-tag.replied { background: rgba(16,185,129,0.15); color: var(--color-success); }

.empty-data { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-data i { font-size: 40px; display: block; margin-bottom: 12px; opacity: 0.5; }
.empty-data p { font-size: 14px; }
.loading-state { text-align: center; padding: 40px; color: var(--text-muted); }
.loading-state i { font-size: 24px; }

.dashboard-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.dashboard-panel { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; }
.dashboard-panel h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
.dashboard-panel .panel-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border-color); font-size: 13px; }
.dashboard-panel .panel-item:last-child { border-bottom: none; }

@media (max-width: 768px) {
    .admin-sidebar { width: 64px; }
    .admin-sidebar .sidebar-item span, .admin-sidebar .sidebar-logo span { display: none; }
    .admin-main { margin-left: 64px; }
    .admin-form-row, .admin-form-row-3 { grid-template-columns: 1fr; }
    .dashboard-panels { grid-template-columns: 1fr; }
    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 8px 10px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ==================== 主题色选择器 ==================== */
.theme-color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.theme-color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.theme-color-option i {
    color: white;
    font-size: 12px;
    opacity: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.theme-color-option:hover {
    transform: scale(1.15);
}

.theme-color-option.active {
    border-color: var(--text-primary);
}

.theme-color-option.active i {
    opacity: 1;
}

.theme-color-name {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==================== 背景风格选择器 ==================== */
.theme-style-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin-top: 8px;
}

.theme-style-option {
    position: relative;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.theme-style-option:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.theme-style-option.active {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.2);
}

.theme-style-preview {
    width: 100%;
    height: 56px;
    border-radius: 6px;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
}

.theme-style-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.theme-style-check {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* ==================== Logo 图片输入 ==================== */
.logo-image-input {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-image-input input {
    flex: 1;
}

.logo-image-preview {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-image-preview .preview-error {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
    padding: 4px;
}

.input-tip {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}