* { box-sizing: border-box; }

:root {
	--primary: #409eff;
	--primary-dark: #337ecc;
	--danger: #f56c6c;
	--success: #67c23a;
	--border: #e4e7ed;
	--text: #303133;
	--muted: #909399;
	--bg: #f5f7fa;
}

html, body {
	margin: 0;
	padding: 0;
	background: var(--bg);
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		"Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
	font-size: 14px;
}

.btn {
	display: inline-block;
	padding: 8px 18px;
	background: var(--primary);
	color: #fff;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	font-size: 14px;
	transition: background .2s;
}
.btn:hover { background: var(--primary-dark); }
.btn-block { width: 100%; padding: 11px; font-size: 16px; letter-spacing: 4px; }

.alert {
	background: #fef0f0;
	color: var(--danger);
	border: 1px solid #fde2e2;
	border-radius: 6px;
	padding: 10px 12px;
	margin: 12px 0;
	font-size: 13px;
}

/* ---------- 登录页 ---------- */
.login-body {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	background: linear-gradient(135deg, #e8f0fe 0%, #f5f7fa 100%);
}
.login-card {
	width: 100%;
	max-width: 360px;
	background: #fff;
	border-radius: 12px;
	box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
	padding: 28px 24px 32px;
}
.login-card h1 {
	margin: 0 0 20px;
	font-size: 20px;
	text-align: center;
	color: var(--text);
}
.field { margin-bottom: 16px; }
.field > label {
	display: block;
	margin-bottom: 6px;
	color: var(--muted);
	font-size: 13px;
}
.field input {
	width: 100%;
	height: 40px;
	padding: 0 12px;
	border: 1px solid var(--border);
	border-radius: 6px;
	font-size: 14px;
	outline: none;
}
.field input:focus { border-color: var(--primary); }
.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row input { flex: 1; min-width: 0; }
.captcha-img {
	height: 40px;
	width: 120px;
	border: 1px solid var(--border);
	border-radius: 6px;
	cursor: pointer;
	background: #f2f3f5;
	flex-shrink: 0;
}

/* ---------- 顶栏 ---------- */
.topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 12px 16px;
	background: #fff;
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	z-index: 20;
	flex-wrap: wrap;
	gap: 8px;
}
.brand { font-size: 16px; font-weight: 600; }
.user { display: flex; align-items: center; gap: 12px; }
.user .who { color: var(--muted); font-size: 13px; }
.logout {
	color: var(--danger);
	text-decoration: none;
	font-size: 13px;
}

/* ---------- 筛选 ---------- */
.filters {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 12px;
	padding: 14px 16px;
}
.filter-item { display: flex; flex-direction: column; gap: 4px; }
.filter-item > label { font-size: 12px; color: var(--muted); }
.filter-item input[type="date"] {
	height: 36px;
	padding: 0 10px;
	border: 1px solid var(--border);
	border-radius: 6px;
	font-size: 14px;
}
.show-type { flex-direction: row; align-items: center; gap: 16px; }
.show-type .radio { display: flex; align-items: center; gap: 4px; font-size: 14px; cursor: pointer; }

/* ---------- 数据表 ---------- */
.table-wrap {
	margin: 0 16px 16px;
	/* 表头固定、内容在表格内部滚动 */
	max-height: calc(100vh - 170px);
	overflow: auto;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: #fff;
	-webkit-overflow-scrolling: touch;
}
.data-table {
	width: 100%;
	min-width: 900px;
	border-collapse: separate;
	border-spacing: 0;
	font-size: 13px;
	white-space: nowrap;
}
.data-table th, .data-table td {
	padding: 8px 10px;
	border-bottom: 1px solid var(--border);
	text-align: center;
}
.data-table thead th {
	height: 34px;
	background: #f5f7fa;
	color: #606266;
	font-weight: 600;
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	z-index: 5;
}
/* 第二行表头（投注数据子列）下移一行高，避免与第一行重叠 */
.data-table thead tr:nth-child(2) th {
	top: 34px;
}
/* 分组表头与普通表头同色，仅加左右分隔线区分 */
.data-table thead th.group {
	border-left: 1px solid var(--border);
	border-right: 1px solid var(--border);
}
/* 首列冻结 */
.col-title {
	position: sticky;
	left: 0;
	z-index: 6;
	background: #fff;
	text-align: left;
	min-width: 120px;
}
.data-table thead th.col-title { z-index: 8; background: #f5f7fa; }
.data-table tbody tr:hover td { background: #f5f7fa; }
.data-table tbody tr:hover td.col-title { background: #f5f7fa; }
.total-row td { font-weight: 700; background: #fdf6ec; }
.total-row td.col-title { background: #fdf6ec; }
.weekend { color: var(--danger); }
.pos { color: var(--success); }
.neg { color: var(--danger); }
.empty { color: var(--muted); padding: 24px 0; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 640px) {
	.filters { gap: 10px; }
	.filter-item input[type="date"] { height: 34px; }
	.brand { font-size: 15px; }
	.data-table { font-size: 12px; }
	.data-table th, .data-table td { padding: 6px 8px; }
	.data-table thead th { height: 30px; }
	.data-table thead tr:nth-child(2) th { top: 30px; }
	.table-wrap { max-height: calc(100vh - 210px); }
}