/**
 * Kira RBK — main stylesheet (classic KQXS / soi cầu look).
 * Colour, type, spacing and radius are driven by CSS custom properties
 * injected in wp_head from Customizer settings (see Support\Assets).
 */

:root {
	--krbk-primary: #2f86ff;
	--krbk-primary-2: #1f6fe5;
	--krbk-secondary: #12203c;
	--krbk-accent: #d62b2b;
	--krbk-success: #2e9e5b;
	--krbk-text: #222831;
	--krbk-muted: #6b7480;
	--krbk-heading: #12203c;
	--krbk-bg: #12203c;
	--krbk-panel: #ffffff;
	--krbk-panel-2: #f3f7ff;
	--krbk-border: #cdddf2;
	--krbk-glass: #eef4ff;
	--krbk-container: 1020px;
	--krbk-radius: 4px;
	--krbk-radius-lg: 6px;
	--krbk-btn-radius: 4px;
	--krbk-font-base: 14px;
	--krbk-line-height: 1.55;
	--krbk-font-heading: "Be Vietnam Pro", Arial, system-ui, sans-serif;
	--krbk-font-body: "Be Vietnam Pro", Arial, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--krbk-section-space: 18px;
	--krbk-shadow: 0 1px 4px rgba(18, 32, 60, 0.12);
	--krbk-navy: #12203c;
	--krbk-nav: #2f86ff;
	--krbk-nav-2: #1f6fe5;
	--krbk-head: #f0a500;
	--krbk-head-bg: #fff7e6;
	--krbk-tail: #ff6fae;
	--krbk-tail-bg: #ffe9f4;
	--krbk-chart: #7b6fd0;
	--krbk-cream: #fff7d6;
	--krbk-th-bg: #d6e6ff;
	--krbk-notice-bg: #fff9e0;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	font-family: var(--krbk-font-body);
	font-size: var(--krbk-font-base);
	line-height: var(--krbk-line-height);
	color: var(--krbk-text);
	background: var(--krbk-bg);
	background-image: linear-gradient(180deg, #1a2d52 0%, #12203c 60%);
	background-repeat: no-repeat;
	background-attachment: fixed;
	-webkit-font-smoothing: antialiased;
}

a { color: var(--krbk-primary-2); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }
img { max-width: 100%; height: auto; }

h1, h2, h3, h4, h5, h6 {
	font-family: var(--krbk-font-heading);
	color: var(--krbk-heading);
	line-height: 1.25;
	margin: 0 0 0.5em;
	font-weight: 700;
}

p { margin: 0 0 0.8rem; }

.krbk-muted { color: var(--krbk-muted); }
.krbk-small { font-size: 0.82rem; }

/* Layout ------------------------------------------------------------------ */
.krbk-wrap {
	width: 100%;
	max-width: var(--krbk-container);
	margin-inline: auto;
	padding-inline: 10px;
}

.krbk-skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--krbk-primary);
	color: #fff;
	padding: 10px 16px;
	z-index: 100;
}
.krbk-skip-link:focus { left: 0; }

/* Header ------------------------------------------------------------------ */
.krbk-header { background: var(--krbk-navy); }
.krbk-header.is-sticky { position: sticky; top: 0; z-index: 30; }

.krbk-topbar { background: var(--krbk-navy); }
.krbk-topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	min-height: 52px;
}

.krbk-brand { display: inline-flex; align-items: center; }
.krbk-logo {
	font-family: var(--krbk-font-heading);
	font-weight: 900;
	font-size: 2rem;
	letter-spacing: -1px;
	line-height: 1;
	background: #fff;
	padding: 4px 10px;
	border-radius: 4px;
}
.krbk-logo__r { color: var(--krbk-accent); }
.krbk-logo__bk { color: var(--krbk-primary-2); }
.krbk-brand:hover { text-decoration: none; }

.krbk-header .custom-logo { height: 44px; width: auto; object-fit: contain; display: block; }

.krbk-login-quick {
	color: #dfe8f7;
	font-size: 0.85rem;
	cursor: pointer;
	white-space: nowrap;
}
.krbk-login-quick:hover { color: #fff; }

.krbk-nav-toggle {
	display: none;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.25);
	color: #fff;
	width: 40px;
	height: 36px;
	border-radius: 4px;
	font-size: 1.1rem;
	cursor: pointer;
}

/* Primary nav (blue bar) -------------------------------------------------- */
.krbk-nav {
	background: var(--krbk-nav);
	box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.08);
}
.krbk-nav__inner { padding-inline: 0; }
.krbk-nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	margin: 0;
	padding: 0;
}
.krbk-nav li { position: relative; }
.krbk-nav a {
	display: block;
	color: #fff;
	font-weight: 700;
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.02em;
	padding: 11px 14px;
	border-right: 1px solid rgba(255, 255, 255, 0.14);
}
.krbk-nav > .krbk-wrap > ul > li:first-child > a { border-left: 1px solid rgba(255, 255, 255, 0.14); }
.krbk-nav a:hover,
.krbk-nav .current-menu-item > a,
.krbk-nav .current_page_item > a,
.krbk-nav .current-menu-ancestor > a {
	background: var(--krbk-nav-2);
	text-decoration: none;
}
/* Sub menus */
.krbk-nav .sub-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 180px;
	background: var(--krbk-nav-2);
	z-index: 40;
	box-shadow: var(--krbk-shadow);
}
.krbk-nav li:hover > .sub-menu { display: block; }
.krbk-nav .sub-menu a { text-transform: none; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }

/* Main wrapper ------------------------------------------------------------ */
.krbk-main { display: block; }

.krbk-layout {
	display: grid;
	grid-template-columns: 1fr 320px;
	gap: 12px;
	background: var(--krbk-panel);
	padding: 12px;
	margin-block: 0;
	min-height: 60vh;
	box-shadow: 0 0 0 1px var(--krbk-border), var(--krbk-shadow);
}
.krbk-layout__main { min-width: 0; }
.krbk-layout__sidebar { min-width: 0; }

/* Content blocks ---------------------------------------------------------- */
.krbk-block { margin-bottom: 16px; }
.krbk-block__title {
	font-size: 1.05rem;
	font-weight: 700;
	color: var(--krbk-heading);
	margin: 0 0 8px;
	padding-bottom: 6px;
	border-bottom: 2px solid var(--krbk-primary);
}
.krbk-block__title--blue {
	background: var(--krbk-primary);
	color: #fff;
	padding: 7px 10px;
	border-bottom: 0;
	font-size: 0.95rem;
	text-transform: uppercase;
}

.krbk-subbar {
	background: var(--krbk-primary);
	color: #fff;
	font-weight: 700;
	padding: 6px 10px;
	border-radius: 3px;
	display: inline-block;
	margin-bottom: 6px;
}
.krbk-notice {
	background: var(--krbk-notice-bg);
	border: 1px solid #ffe28a;
	color: #7a5b00;
	padding: 7px 10px;
	font-size: 0.85rem;
	border-radius: 3px;
	margin-bottom: 10px;
}

/* Result row: prize table + Đầu / Đuôi ------------------------------------ */
.krbk-result-row {
	display: grid;
	grid-template-columns: 1fr 150px 150px;
	gap: 8px;
	align-items: start;
}

.krbk-kqxs-table {
	width: 100%;
	border-collapse: collapse;
	font-variant-numeric: tabular-nums;
	border: 1px solid var(--krbk-border);
}
.krbk-kqxs-table th[scope="row"] {
	width: 46px;
	background: var(--krbk-th-bg);
	color: var(--krbk-heading);
	font-weight: 700;
	text-align: center;
	border: 1px solid var(--krbk-border);
	padding: 6px 4px;
}
.krbk-kqxs-table td {
	border: 1px solid var(--krbk-border);
	padding: 5px 6px;
	vertical-align: middle;
}
.krbk-kqxs-table tr.is-special th[scope="row"] { background: #ffe0e0; color: var(--krbk-accent); }

.krbk-prize-nums {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 12px;
	justify-content: center;
	font-weight: 600;
	font-size: 0.98rem;
	letter-spacing: 0.02em;
}
.krbk-prize-nums span { display: inline-block; min-width: 44px; text-align: center; }
.krbk-prize-nums.is-special {
	justify-content: center;
}
.krbk-prize-nums.is-special span {
	color: var(--krbk-accent);
	font-weight: 900;
	font-size: 1.5rem;
	letter-spacing: 2px;
}

/* Đầu / Đuôi side tables -------------------------------------------------- */
.krbk-dd-table {
	width: 100%;
	border-collapse: collapse;
	font-variant-numeric: tabular-nums;
	border: 1px solid var(--krbk-border);
}
.krbk-dd-table thead th {
	font-weight: 700;
	padding: 5px;
	text-align: center;
	color: #fff;
}
.krbk-dd-table--dau thead th { background: var(--krbk-head); }
.krbk-dd-table--duoi thead th { background: var(--krbk-tail); }
.krbk-dd-table th[scope="row"] {
	width: 26px;
	text-align: center;
	font-weight: 700;
	border: 1px solid var(--krbk-border);
	padding: 4px;
}
.krbk-dd-table--dau th[scope="row"] { background: var(--krbk-head-bg); color: #8a5a00; }
.krbk-dd-table--duoi th[scope="row"] { background: var(--krbk-tail-bg); color: #b3296b; }
.krbk-dd-table td {
	border: 1px solid var(--krbk-border);
	padding: 4px 6px;
	font-size: 0.84rem;
}
.krbk-dd-table--dau td { background: var(--krbk-head-bg); }
.krbk-dd-table--duoi td { background: var(--krbk-tail-bg); }

/* Quick stats ------------------------------------------------------------- */
.krbk-stat-head {
	font-size: 0.92rem;
	font-weight: 700;
	color: var(--krbk-accent);
	margin: 12px 0 6px;
}
.krbk-badge-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(74px, 1fr));
	gap: 5px;
}
.krbk-badge-cell {
	background: var(--krbk-cream);
	border: 1px solid #e9d98a;
	border-radius: 3px;
	padding: 4px 4px;
	text-align: center;
	line-height: 1.2;
}
.krbk-badge-cell b {
	display: block;
	font-size: 1rem;
	color: var(--krbk-accent);
	font-weight: 800;
}
.krbk-badge-cell span { font-size: 0.72rem; color: #555; }

/* Bar chart --------------------------------------------------------------- */
.krbk-bars {
	display: flex;
	align-items: flex-end;
	gap: 6px;
	height: 130px;
	padding: 6px 4px 0;
	border-bottom: 1px solid var(--krbk-border);
	overflow-x: auto;
}
.krbk-bars__col {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-end;
	gap: 3px;
	flex: 1 0 36px;
}
.krbk-bars__val { font-size: 0.7rem; color: var(--krbk-chart); font-weight: 700; }
.krbk-bars__bar {
	width: 100%;
	max-width: 30px;
	background: var(--krbk-chart);
	border-radius: 2px 2px 0 0;
}
.krbk-bars__lbl { font-size: 0.72rem; color: var(--krbk-text); font-weight: 700; }

/* Knowledge post links ---------------------------------------------------- */
.krbk-post-links { list-style: none; margin: 0; padding: 0; }
.krbk-post-links li {
	padding: 6px 0;
	border-bottom: 1px dashed var(--krbk-border);
	display: flex;
	justify-content: space-between;
	gap: 10px;
}
.krbk-post-links a { color: var(--krbk-primary-2); font-weight: 600; }

/* Sidebar widgets --------------------------------------------------------- */
.krbk-widget {
	border: 1px solid var(--krbk-border);
	border-radius: var(--krbk-radius);
	margin-bottom: 12px;
	background: var(--krbk-panel);
	overflow: hidden;
}
.krbk-widget__title {
	background: var(--krbk-primary);
	color: #fff;
	font-size: 0.85rem;
	font-weight: 700;
	margin: 0;
	padding: 7px 10px;
}
.krbk-widget__title--green { background: var(--krbk-success); }
.krbk-widget > *:not(.krbk-widget__title) { padding-inline: 10px; }
.krbk-widget > *:not(.krbk-widget__title):last-child { padding-bottom: 10px; }
.krbk-widget > .krbk-cau-grid,
.krbk-widget > .krbk-lotop,
.krbk-widget > .krbk-find,
.krbk-widget > .krbk-chot,
.krbk-widget > p { padding-top: 8px; }

/* Calendar widget --------------------------------------------------------- */
.krbk-cal { text-align: center; border-color: var(--krbk-border); }
.krbk-cal__weekday {
	background: var(--krbk-navy);
	color: #fff;
	font-weight: 700;
	padding: 6px 10px;
	margin: 0;
}
.krbk-cal__date {
	font-size: 1.9rem;
	font-weight: 900;
	color: var(--krbk-accent);
	padding: 12px 10px 6px !important;
	font-variant-numeric: tabular-nums;
}
.krbk-cal__note { color: var(--krbk-muted); font-size: 0.78rem; padding-bottom: 12px !important; }

/* Cầu grids --------------------------------------------------------------- */
.krbk-cau-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 5px;
}
.krbk-cau {
	background: var(--krbk-panel-2);
	border: 1px solid var(--krbk-border);
	border-radius: 3px;
	text-align: center;
	padding: 6px 4px;
	font-weight: 800;
	color: var(--krbk-primary-2);
	font-variant-numeric: tabular-nums;
}
.krbk-cau--alt { color: var(--krbk-accent); background: #fff3f3; border-color: #f3c9c9; }

/* Find form --------------------------------------------------------------- */
.krbk-find { display: flex; gap: 6px; }
.krbk-find .krbk-input { flex: 1; }

/* Lô top ------------------------------------------------------------------ */
.krbk-lotop {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 4px;
	text-align: center;
}
.krbk-lotop__n {
	font-size: 1.1rem;
	font-weight: 800;
	color: var(--krbk-primary-2);
	padding: 3px 0;
	font-variant-numeric: tabular-nums;
}
.krbk-lotop__n.is-red { color: var(--krbk-accent); }

/* Bảng Top tabs + table --------------------------------------------------- */
.krbk-tabs { display: flex; gap: 2px; padding-top: 8px; flex-wrap: wrap; }
.krbk-tab {
	flex: 1;
	background: var(--krbk-panel-2);
	border: 1px solid var(--krbk-border);
	color: var(--krbk-text);
	font-size: 0.72rem;
	font-weight: 700;
	padding: 5px 2px;
	cursor: pointer;
	border-radius: 3px;
}
.krbk-tab.is-active { background: var(--krbk-success); color: #fff; border-color: var(--krbk-success); }
.krbk-toptbl { width: 100%; border-collapse: collapse; margin-top: 8px; }
.krbk-toptbl td { padding: 5px 6px; border-bottom: 1px solid var(--krbk-border); font-size: 0.85rem; }
.krbk-toptbl__rank { width: 26px; color: var(--krbk-muted); text-align: center; }
.krbk-toptbl__num { font-weight: 800; color: var(--krbk-primary-2); font-variant-numeric: tabular-nums; }
.krbk-toptbl__val { text-align: right; color: var(--krbk-muted); }

/* Chốt số ----------------------------------------------------------------- */
.krbk-chot { list-style: none; margin: 0; padding-left: 0; }
.krbk-chot li { padding: 6px 0; border-bottom: 1px dashed var(--krbk-border); }
.krbk-chot li:last-child { border-bottom: 0; }
.krbk-chot b { color: var(--krbk-heading); }
.krbk-chot__nums { color: var(--krbk-accent); font-weight: 800; font-variant-numeric: tabular-nums; }

/* Buttons ----------------------------------------------------------------- */
.krbk-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 8px 14px;
	border-radius: var(--krbk-btn-radius);
	font-weight: 700;
	font-size: 0.85rem;
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
	font-family: inherit;
}
.krbk-btn:hover { text-decoration: none; }
.krbk-btn--primary { background: var(--krbk-primary); color: #fff; }
.krbk-btn--primary:hover { background: var(--krbk-primary-2); }
.krbk-btn--ghost { background: #fff; color: var(--krbk-primary-2); border-color: var(--krbk-border); }
.krbk-btn--block { width: 100%; }

/* Forms ------------------------------------------------------------------- */
.krbk-input,
.krbk-select,
.krbk-textarea {
	width: 100%;
	background: #fff;
	color: var(--krbk-text);
	border: 1px solid var(--krbk-border);
	border-radius: var(--krbk-radius);
	padding: 8px 10px;
	font-size: 0.88rem;
	font-family: inherit;
}
.krbk-input:focus,
.krbk-select:focus,
.krbk-textarea:focus { outline: 2px solid rgba(47, 134, 255, 0.4); outline-offset: 1px; }

/* States ------------------------------------------------------------------ */
.krbk-empty,
.krbk-loading,
.krbk-error {
	padding: 14px;
	text-align: center;
	border-radius: var(--krbk-radius);
	border: 1px dashed var(--krbk-border);
	color: var(--krbk-muted);
}
.krbk-error { color: var(--krbk-accent); border-color: #f3c9c9; }

/* Footer ------------------------------------------------------------------ */
.krbk-footer {
	background: var(--krbk-navy);
	color: #aebbd2;
	margin-top: 14px;
}
.krbk-footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	flex-wrap: wrap;
	padding-block: 16px;
	font-size: 0.82rem;
}
.krbk-footer__copyright { margin: 0; }
.krbk-footer__legal { display: inline-flex; align-items: center; gap: 10px; }
.krbk-footer__legal a { color: #c7d3e8; }
.krbk-footer__legal a:hover { color: #fff; }
.krbk-footer__legal ul { list-style: none; display: inline-flex; gap: 14px; margin: 0; padding: 0; }

/* Generic content (posts/pages) ------------------------------------------- */
.krbk-content {
	background: var(--krbk-panel, #fff);
	color: var(--krbk-text);
	border: 1px solid var(--krbk-border);
	border-radius: var(--krbk-radius);
	margin-top: 12px;
	margin-bottom: 16px;
	padding: 14px 18px 20px;
}
.krbk-content h1, .krbk-content h2, .krbk-content h3, .krbk-content h4 { color: var(--krbk-heading); }
.krbk-content > .krbk-layout__main h2,
.krbk-content article h2 { font-size: 1.05rem; margin: 20px 0 10px; padding-bottom: 6px; border-bottom: 2px solid var(--krbk-primary); }
.krbk-content p, .krbk-content li { color: var(--krbk-text); line-height: 1.65; }
.krbk-content .krbk-table tbody tr:nth-child(even) td { background: #f5f8fd; }
.krbk-article { margin-bottom: 16px; }
.krbk-article__title { font-size: 1.3rem; }
.krbk-article__meta { color: var(--krbk-muted); font-size: 0.82rem; margin-bottom: 10px; }
.krbk-breadcrumb { font-size: 0.8rem; color: var(--krbk-muted); padding-block: 8px; }
.krbk-breadcrumb a { color: var(--krbk-muted); }

.widget { border: 1px solid var(--krbk-border); border-radius: var(--krbk-radius); margin-bottom: 12px; overflow: hidden; }
.widget-title { background: var(--krbk-primary); color: #fff; font-size: 0.85rem; margin: 0; padding: 7px 10px; }
.widget > *:not(.widget-title) { padding: 8px 10px; }

.krbk-pagination { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.krbk-pagination .page-numbers {
	display: inline-grid;
	place-items: center;
	min-width: 34px;
	height: 34px;
	padding: 0 8px;
	border-radius: var(--krbk-radius);
	border: 1px solid var(--krbk-border);
	background: #fff;
	color: var(--krbk-text);
}
.krbk-pagination .page-numbers.current { background: var(--krbk-primary); color: #fff; border-color: var(--krbk-primary); font-weight: 700; }

/* Reused shortcode tables (stats pages) ----------------------------------- */
.krbk-table-wrap { border: 1px solid var(--krbk-border); border-radius: var(--krbk-radius); overflow-x: auto; }
.krbk-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.krbk-table th, .krbk-table td { padding: 7px 8px; text-align: center; border: 1px solid var(--krbk-border); }
.krbk-table thead th { background: var(--krbk-th-bg); color: var(--krbk-heading); font-weight: 700; }
.krbk-table .krbk-prize-special { color: var(--krbk-accent); font-weight: 800; }
.krbk-table td.krbk-hot { color: var(--krbk-accent); font-weight: 700; }
.krbk-numbers { display: flex; flex-wrap: wrap; gap: 5px; }
.krbk-numbers span {
	display: inline-grid; place-items: center;
	min-width: 38px; padding: 5px 8px;
	border-radius: 3px; background: var(--krbk-cream);
	border: 1px solid #e9d98a; font-weight: 700;
}
.krbk-scope-note { font-size: 0.78rem; color: var(--krbk-muted); margin: 4px 0 8px; }

/* Responsive -------------------------------------------------------------- */
@media (max-width: 880px) {
	.krbk-layout { grid-template-columns: 1fr; }
	.krbk-result-row { grid-template-columns: 1fr 1fr; }
	.krbk-kqxs-table { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
	.krbk-nav .krbk-wrap { padding-inline: 0; }
	.krbk-nav__inner > ul {
		display: none;
		flex-direction: column;
	}
	.krbk-nav.is-open .krbk-nav__inner > ul { display: flex; }
	.krbk-nav a { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
	.krbk-nav-toggle { display: inline-grid; place-items: center; }
	.krbk-result-row { grid-template-columns: 1fr; }
	.krbk-prize-nums.is-special span { font-size: 1.25rem; }
	.krbk-badge-grid { grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); }
	.krbk-footer__inner { justify-content: center; text-align: center; }
}

/* Tìm cầu result + ajax states ------------------------------------------- */
.krbk-loading { padding: 8px; text-align: center; color: var(--krbk-muted); }
.krbk-error { padding: 8px; color: var(--krbk-accent); font-size: 0.85rem; }
.krbk-find__result { margin-top: 8px; padding: 8px 10px; background: var(--krbk-cream, #fff7d6); border: 1px solid var(--krbk-border); border-radius: var(--krbk-radius); }
.krbk-find__row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.krbk-find__num { font-size: 1.25rem; font-weight: 800; color: var(--krbk-accent); }
.krbk-find__stats { list-style: none; margin: 0; padding: 0; font-size: 0.86rem; }
.krbk-find__stats li { padding: 2px 0; }
.krbk-tab { cursor: pointer; }