/* ==========================================================
   DRILLDOWN MENU cho Bricks Nav Menu (class: drilldown-menu)
   ========================================================== */

.drilldown-menu {
  --dd-bg: #f3f2ec;                    /* màu nền panel (BẮT BUỘC đặc, không để trong suốt) */
  --dd-color: #565656;                 /* màu chữ */
  --dd-border: rgba(0, 0, 0, .08);  /* màu đường kẻ */
  --dd-back-color: #fff; /* nền dòng Back */
  --dd-back-bg: #111; /* nền dòng Back */
  --dd-speed: .35s;                 /* tốc độ trượt */
  --dd-pad: 14px 20px;              /* padding mỗi dòng */
  --dd-arrow-w: 56px;               /* bề rộng vùng bấm mũi tên */
}

/* ---------- 1. Trước khi JS chạy: hiển thị danh sách dọc ---------- */
.drilldown-menu .bricks-nav-menu {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

/* ---------- 2. Sau khi JS chạy (.dd-ready) ---------- */
.drilldown-menu.dd-ready .bricks-nav-menu-wrapper {
  position: relative;
  display: block !important;
  width: 100%;
  overflow: hidden;
  transition: height var(--dd-speed) ease;
}

/* Mỗi ul (gốc + sub-menu) là một panel xếp chồng */
.drilldown-menu.dd-ready .dd-panel {
  position: absolute !important;
  inset: 0 0 auto 0 !important;
  width: 100% !important;
  min-width: 0 !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
  display: flex !important;
  flex-direction: column;
  align-items: stretch;
  gap: 0 !important;
  background: var(--dd-bg);
  color: var(--dd-color);
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateX(100%) !important;
  transition: transform var(--dd-speed) ease !important;
}

.drilldown-menu.dd-ready .dd-panel.dd-active {
  transform: translateX(0) !important;
}

/* panel cha khi đang mở panel con: lùi nhẹ sang trái (bỏ dòng này nếu muốn chỉ phủ đè) */
.drilldown-menu.dd-ready .dd-panel.dd-behind {
  transform: translateX(-30%) !important;
}

/* tắt animation khi reset */
.drilldown-menu.dd-ready.dd-noanim .dd-panel,
.drilldown-menu.dd-ready.dd-noanim .bricks-nav-menu-wrapper {
  transition: none !important;
}

/* ---------- 3. Các dòng menu ---------- */
.drilldown-menu.dd-ready .dd-panel > li {
  position: static !important;
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  border-bottom: 1px solid var(--dd-border);
}

.drilldown-menu.dd-ready .dd-panel > li > a {
  display: block;
  width: 100%;
  padding: var(--dd-pad);
  color: inherit;
}

/* dòng có submenu: link + nút mũi tên */
.drilldown-menu.dd-ready .brx-submenu-toggle {
  display: flex;
  align-items: stretch;
  width: 100%;
  padding: 0 !important;
}

.drilldown-menu.dd-ready .brx-submenu-toggle > a {
  flex: 1 1 auto;
  padding: var(--dd-pad);
  color: inherit;
}

.drilldown-menu.dd-ready .brx-submenu-toggle > button {
  flex: 0 0 var(--dd-arrow-w);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  border: 0;
  border-left: 1px solid var(--dd-border);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

/* icon bricks là mũi tên xuống -> xoay thành mũi tên phải */
.drilldown-menu.dd-ready .brx-submenu-toggle > button svg {
  width: 14px;
  height: 14px;
  transform: rotate(-90deg) !important;
  transition: none;
}

/* ---------- 4. Dòng Back ---------- */
.drilldown-menu .dd-back {
  background: var(--dd-back-bg);
  color: var(--dd-back-color);
}

.drilldown-menu .dd-back button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: var(--dd-pad);
  margin: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.drilldown-menu .dd-back svg {
  flex: none;
  width: 16px;
  height: 16px;
}

/* focus rõ ràng cho bàn phím */
.drilldown-menu.dd-ready button:focus-visible,
.drilldown-menu.dd-ready a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: -2px;
}