/* ============================================================
 * PUBG Steam Tools 管理后台样式
 * 设计语言：暖色单色编辑风（依据 frontend-design / minimalist-ui 技能）
 * - 画布 #F7F6F3，卡片纯白，1px #EAEAEA 结构线，几乎无阴影
 * - 正文 #2F3437（非纯黑），次要 #787774，行高 1.6
 * - 主按钮 #111111 实底，悬停 #333，按下微缩
 * - 语义色仅用柔和粉彩：绿 #EDF3EC/#346538，红 #FDEBEC/#9F2F2D，
 *   蓝 #E1F3FE/#1F6C9F，黄 #FBF3DB/#956400
 * ============================================================ */

:root {
    --canvas: #F7F6F3;
    --surface: #FFFFFF;
    --border: #EAEAEA;
    --divider: rgba(0, 0, 0, 0.06);
    --text: #2F3437;
    --text-strong: #111111;
    --text-muted: #787774;
    --hover: #F2F2F7;
    --primary: #111111;
    --primary-hover: #333333;
    --danger: #9F2F2D;
    --radius-card: 12px;
    --radius-ctrl: 6px;
}

/* ========== 全局重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--canvas);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}
h1, h2, h3 { color: var(--text-strong); letter-spacing: -0.01em; }
a { text-decoration: none; color: inherit; }

/* ========== 登录页 ========== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--canvas);
}
.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 40px;
    width: 400px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.login-header { text-align: center; margin-bottom: 30px; }
.login-header h1 { font-size: 24px; color: var(--text-strong); margin-bottom: 8px; }
.login-header p { color: var(--text-muted); font-size: 13px; }
.login-form .form-group { margin-bottom: 20px; }
.login-form label { display: block; margin-bottom: 6px; color: var(--text); font-weight: 500; }
.login-form input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ctrl);
    font-size: 14px;
    background: var(--surface);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.login-form input:focus {
    outline: none;
    border-color: var(--text-strong);
    box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.06);
}
.login-footer { text-align: center; margin-top: 20px; color: var(--text-muted); font-size: 12px; }

/* ========== 按钮 ========== */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-ctrl);
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-default { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-default:hover { background: var(--hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #7F3A38; }
.btn-success { background: #346538; color: #fff; }
.btn-success:hover { background: #2C5630; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-block { width: 100%; padding: 12px; font-size: 15px; }

/* 行内操作按钮（表格内） */
.btn-action {
    padding: 5px 12px;
    border-radius: var(--radius-ctrl);
    font-size: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-weight: 500;
    display: inline-block;
    transition: background 0.15s, border-color 0.15s;
}
.btn-action:hover { background: var(--hover); border-color: #d5d5d8; }

/* ========== 提示框 ========== */
.alert { padding: 12px 16px; border-radius: var(--radius-ctrl); margin-bottom: 16px; }
.alert-error { background: #FDEBEC; color: #9F2F2D; border: 1px solid #F5D5D6; }

/* ========== 后台布局 ========== */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 220px;
    background: #FBFBFA;
    border-right: 1px solid var(--border);
    color: var(--text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
}
.sidebar-logo { padding: 24px 20px; border-bottom: 1px solid var(--border); }
.sidebar-logo h2 { font-size: 16px; color: var(--text-strong); }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    margin: 1px 10px;
    border-radius: var(--radius-ctrl);
    color: var(--text);
    transition: background 0.15s, color 0.15s;
    cursor: pointer;
}
.nav-item:hover { background: var(--hover); color: var(--text-strong); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-subitem {
    display: block;
    padding: 9px 20px 9px 42px;
    margin: 1px 10px;
    border-radius: var(--radius-ctrl);
    color: var(--text-muted);
    font-size: 13px;
    transition: background 0.15s, color 0.15s;
}
.nav-subitem:hover { background: var(--hover); color: var(--text-strong); }
.nav-subitem.active { background: #E9E9EE; color: var(--text-strong); }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.user-avatar {
    width: 36px; height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 14px;
}
.user-name { font-size: 13px; color: var(--text-strong); }
.user-role { font-size: 11px; color: var(--text-muted); }
.btn-logout {
    display: block;
    text-align: center;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-ctrl);
    color: var(--text);
    font-size: 13px;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-logout:hover { background: #FDEBEC; border-color: #F5D5D6; color: var(--danger); }

.main-content { flex: 1; margin-left: 220px; }
.topbar {
    background: var(--surface);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar h1 { font-size: 17px; color: var(--text-strong); }
.topbar-right { color: var(--text-muted); font-size: 13px; }
.content-body { padding: 24px; }

/* ========== 统计卡片 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: box-shadow 0.2s;
}
.stat-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.stat-icon {
    width: 46px; height: 46px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    background: var(--hover);
}
.stat-value { font-size: 24px; font-weight: 700; color: var(--text-strong); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ========== 面板/表格 ========== */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 24px;
    overflow: hidden;
}
.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.panel-header h3 { font-size: 15px; color: var(--text-strong); }
.panel-body { padding: 0; }
.data-table, .account-table { width: 100%; border-collapse: collapse; }
.data-table th, .account-table th {
    background: #FBFBFA;
    padding: 11px 16px;
    text-align: left;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}
.data-table td, .account-table td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--divider);
    font-size: 13px;
    color: var(--text);
}
.data-table tr:hover td, .account-table tr:hover td { background: #FAFAF9; }
.data-table .empty { text-align: center; color: var(--text-muted); padding: 40px; }
.table-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
}

/* ========== 徽章 ========== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.6;
}
.badge-success { background: #EDF3EC; color: #346538; }
.badge-danger { background: #FDEBEC; color: #9F2F2D; }
.badge-primary { background: #E1F3FE; color: #1F6C9F; }
.badge-warning { background: #FBF3DB; color: #956400; }
.badge-info { background: #F2F2F7; color: #64748B; }
.badge-type { background: #F7F6F3; color: var(--text-muted); }

/* 状态徽标（订单/售后/工单/账号状态） */
.badge-status { display: inline-block; padding: 2px 10px; border-radius: 9999px; font-size: 12px; font-weight: 500; }
.badge-active, .badge-completed, .badge-normal, .badge-success-state { background: #EDF3EC; color: #346538; }
.badge-pending, .badge-warning-state { background: #FBF3DB; color: #956400; }
.badge-processing, .badge-info-state { background: #E1F3FE; color: #1F6C9F; }
.badge-rejected, .badge-banned, .badge-danger-state { background: #FDEBEC; color: #9F2F2D; }
.badge-inactive, .badge-unknown { background: #F2F2F7; color: #64748B; }

/* ========== 筛选/搜索/表单 ========== */
.search-form { display: flex; gap: 10px; align-items: center; }
.search-form input, .search-form select,
.form-input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ctrl);
    font-size: 13px;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.search-form input:focus, .search-form select:focus, .form-input:focus {
    outline: none;
    border-color: var(--text-strong);
    box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.06);
}
.form-hint { display: block; margin-top: 4px; color: var(--text-muted); font-size: 12px; }
.filter-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 14px 20px;
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

/* ========== 弹窗 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(17, 17, 17, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: var(--surface);
    border-radius: var(--radius-card);
    width: 420px;
    max-width: 90%;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { font-size: 15px; }
.modal-close { font-size: 20px; cursor: pointer; color: var(--text-muted); }
.modal-close:hover { color: var(--text-strong); }
.modal-body { padding: 20px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body label { display: block; margin-bottom: 6px; color: var(--text); font-size: 13px; }
.modal-body input, .modal-body select, .modal-body textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ctrl);
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.modal-body input:focus, .modal-body select:focus, .modal-body textarea:focus {
    outline: none;
    border-color: var(--text-strong);
    box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.06);
}
.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ========== 分页 ========== */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    gap: 8px;
    flex-wrap: wrap;
}
.pagination-btn {
    padding: 7px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ctrl);
    background: var(--surface);
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.pagination-btn:hover { background: var(--hover); }
.pagination-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
}
.pagination-btn.disabled { background: var(--canvas); color: #c0c0c4; cursor: not-allowed; }

/* ========== 空状态 ========== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 14px; }

/* ========== 通用工具类 ========== */
.text-muted { color: var(--text-muted); }
.info { color: var(--text-muted); font-size: 13px; }

/* ========== 滚动条（侧边栏） ========== */
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: #d9d9dd; border-radius: 3px; }