/**
 * Dynamic Menu Component Styles
 * CSP Compliant - No inline styles
 * Responsive Design System
 * Tái sử dụng styles từ products-menu.css nhưng generic cho nhiều menu
 */

/* ==========================================================================
   Dynamic Menu - Dynamic Grid Layout with CSS Custom Properties
   ========================================================================== */

.dynamic-menu-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
  /* ✅ CSP: Grid uses CSS custom properties set by JavaScript */
  grid-template-columns: repeat(var(--dynamic-cols, 3), var(--dynamic-col-width, 160px));
}

/* ==========================================================================
   Dynamic Menu Item - Horizontal Layout: Icon + Title
   ========================================================================== */

.dynamic-menu-item {
  display: flex;
  align-items: center;
  gap: var(--grid-gap-mobile);
  padding: 8px 12px;
  border-radius: var(--border-radius-md);
  /* ✅ PERFORMANCE: Chỉ animate background-color và color, không phải "all" */
  transition: background-color var(--transition-base) ease-out,
    color var(--transition-base) ease-out;
  text-decoration: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
}

.dynamic-menu-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.dynamic-menu-item-active {
  background-color: var(--primary-light);
  color: var(--primary-hover);
  font-weight: var(--font-weight-medium);
}

.dynamic-menu-item-active .dynamic-menu-title {
  color: var(--primary-hover);
}

/* ==========================================================================
   Dynamic Menu Icon & Title
   ========================================================================== */

.dynamic-menu-icon-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  font-size: var(--font-size-base);
}

.dynamic-menu-icon-inline img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.dynamic-menu-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: var(--font-weight-normal);
}

.dynamic-menu-empty {
  padding: 1rem;
  text-align: center;
  color: var(--text-secondary);
}

/* ==========================================================================
   Dynamic Menu Dropdown
   ========================================================================== */

[id^="menu-"][id$="-content"] {
  min-width: 560px;
  /* Tương đương 3 cột x 160px + gap + padding */
  max-width: 1200px;
  /* Tương đương 5 cột x 220px + gap + padding */
  /* Đảm bảo chữ luôn hiển thị đầy đủ */
  overflow: visible;
  z-index: var(--z-index-dropdown);
  /* Sử dụng CSS variable từ navigation.css */
}

.dynamic-menu-dropdown {
  position: fixed;
  background-color: var(--bg-primary);
  border: 1px solid #e5e7eb;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  margin-top: 0.25rem;
  /* ✅ PERFORMANCE: Chỉ animate opacity, không phải "all" - giảm repaint */
  transition: opacity 150ms ease-out;
  opacity: 0;
  z-index: var(--z-index-dropdown);
  /* ✅ PERFORMANCE: Hint browser về properties sẽ thay đổi */
  will-change: opacity;
  /* ✅ PERFORMANCE: Isolate rendering để tránh reflow toàn bộ page */
  contain: layout style paint;
  /* ✅ PERFORMANCE: Tối ưu rendering để tránh flicker */
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
}

.dynamic-menu-dropdown:not(.hidden) {
  opacity: 1;
}

/* ✅ CSP: Dropdown positioning using CSS custom properties */
/* ✅ PERFORMANCE: Không transition width/left/top - chỉ set trực tiếp để tránh lag */
.dropdown-positioned {
  width: var(--dropdown-width, 560px) !important;
  min-width: var(--dropdown-min-width, 560px) !important;
  left: var(--dropdown-left, 50%) !important;
  top: var(--dropdown-top, 100%) !important;
  height: auto !important;
  transform: translateX(0) !important;
  /* ✅ PERFORMANCE: Không transition layout properties - chỉ opacity với timing tối ưu */
  transition: opacity 150ms ease-out;
  /* ✅ PERFORMANCE: Tối ưu rendering để tránh flicker */
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ✅ CSP: Dropdown visible state */
.dropdown-visible {
  opacity: 1 !important;
}

/* ==========================================================================
   Dynamic Menu Button & Icon
   ========================================================================== */

[id^="menu-"][id$="-btn"] {
  position: relative;
}

[id^="menu-"][id$="-icon"] {
  transition: transform var(--transition-base);
}

/* ✅ CSP: Use class for rotation instead of inline style */
[id^="menu-"][id$="-icon"].icon-rotated {
  transform: rotate(180deg);
}

[id^="menu-"]:hover [id$="-icon"],
[id^="menu-"][data-menu-open="true"] [id$="-icon"] {
  transform: rotate(180deg);
}

/* ==========================================================================
   Responsive Design - Mobile First
   ========================================================================== */

/* Mobile: < 640px */
@media (max-width: 639px) {
  [id^="menu-"][id$="-content"] {
    min-width: 100%;
    max-width: 100%;
    left: 0 !important;
    right: 0 !important;
    margin-left: 0 !important;
  }

  .dynamic-menu-grid {
    grid-template-columns: 1fr !important;
    /* Single column on mobile */
  }

  .dynamic-menu-item {
    padding: 12px 16px;
    /* Larger padding for mobile touch */
  }
}

/* Tablet: 640px - 1023px */
@media (min-width: 640px) and (max-width: 1023px) {
  [id^="menu-"][id$="-content"] {
    min-width: 480px;
    max-width: 800px;
  }

  .dynamic-menu-item {
    padding: 10px 14px;
  }
}

/* Desktop: >= 1024px */
@media (min-width: 1024px) {
  [id^="menu-"][id$="-content"] {
    min-width: 560px;
    max-width: 1200px;
  }
}