/**
 * 6th of October University (O6U) E-Learning Portal
 * Design System, Glassmorphic Theme, Bilingual (RTL/LTR) & Dark Mode Engine
 */

:root {
  /* O6U University Color Identity */
  --o6u-primary: #003366;
  --o6u-primary-dark: #002244;
  --o6u-primary-light: #0B4F8A;
  --o6u-primary-rgb: 0, 51, 102;
  --o6u-primary-glow: rgba(11, 79, 138, 0.25);

  --o6u-accent: #D4AF37;
  --o6u-accent-hover: #F59E0B;
  --o6u-accent-rgb: 212, 175, 55;
  --o6u-accent-light: rgba(212, 175, 55, 0.15);

  /* Supportive Neutrals */
  --o6u-bg: #F8FAFC;
  --o6u-surface: #FFFFFF;
  --o6u-surface-raised: #FFFFFF;
  --o6u-border: #E2E8F0;
  --o6u-border-subtle: #F1F5F9;
  
  --o6u-text-main: #0F172A;
  --o6u-text-secondary: #475569;
  --o6u-text-muted: #64748B;
  --o6u-text-light: #94A3B8;

  /* Status Accents */
  --o6u-emerald: #10B981;
  --o6u-emerald-light: rgba(16, 185, 129, 0.12);
  --o6u-violet: #8B5CF6;
  --o6u-violet-light: rgba(139, 92, 246, 0.12);
  --o6u-amber: #F59E0B;
  --o6u-amber-light: rgba(245, 158, 11, 0.12);
  --o6u-rose: #EF4444;
  --o6u-rose-light: rgba(239, 68, 68, 0.12);
  --o6u-cyan: #06B6D4;
  --o6u-cyan-light: rgba(6, 182, 212, 0.12);

  /* Glassmorphism Tokens */
  --o6u-card-bg: rgba(255, 255, 255, 0.88);
  --o6u-card-border: rgba(226, 232, 240, 0.85);
  --o6u-card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --o6u-card-shadow-hover: 0 20px 30px -10px rgba(0, 51, 102, 0.12), 0 12px 16px -8px rgba(0, 0, 0, 0.04);
  --o6u-glass-blur: blur(14px);
  --o6u-radius: 16px;
  --o6u-radius-sm: 10px;
  --o6u-radius-lg: 20px;

  /* Typography */
  --o6u-font-en: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --o6u-font-ar: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, sans-serif;

  /* Transition Timing */
  --o6u-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --o6u-transition-fast: all 0.15s ease-in-out;
}

/* ==========================================================================
   Dark Theme Tokens
   ========================================================================== */
[data-theme="dark"],
body.dark-mode {
  --o6u-bg: #0B1120;
  --o6u-surface: #131D31;
  --o6u-surface-raised: #1E293B;
  --o6u-border: #1E293B;
  --o6u-border-subtle: #182338;
  
  --o6u-text-main: #F8FAFC;
  --o6u-text-secondary: #CBD5E1;
  --o6u-text-muted: #94A3B8;
  --o6u-text-light: #64748B;

  --o6u-card-bg: rgba(19, 29, 49, 0.82);
  --o6u-card-border: rgba(255, 255, 255, 0.09);
  --o6u-card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.45), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --o6u-card-shadow-hover: 0 20px 35px -10px rgba(11, 79, 138, 0.35), 0 12px 16px -8px rgba(0, 0, 0, 0.4);

  --bs-body-bg: #0B1120;
  --bs-body-color: #F8FAFC;
}

/* ==========================================================================
   Global Typography & Direction
   ========================================================================== */
html, body {
  min-height: 100%;
  background-color: var(--o6u-bg);
  color: var(--o6u-text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html[dir="rtl"], body.rtl {
  font-family: var(--o6u-font-ar);
  direction: rtl;
  text-align: right;
}

html[dir="ltr"], body.ltr {
  font-family: var(--o6u-font-en);
  direction: ltr;
  text-align: left;
}

/* Headings */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--o6u-text-main);
  font-weight: 700;
  letter-spacing: -0.015em;
}

html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3 {
  letter-spacing: 0;
  font-weight: 700;
}

/* ==========================================================================
   Serenity Layout Overhaul (Header & Sidebar)
   ========================================================================== */
.s-sidebar-header {
  background: linear-gradient(135deg, var(--o6u-primary-dark) 0%, var(--o6u-primary) 65%, var(--o6u-primary-light) 100%) !important;
  border-bottom: 2px solid rgba(212, 175, 55, 0.4) !important;
  box-shadow: 0 4px 20px rgba(0, 34, 68, 0.25);
  backdrop-filter: var(--o6u-glass-blur);
  height: 64px !important;
  padding: 0 1.25rem !important;
  z-index: 1045 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

/* Sidebar Toggle Button in Header (Always Visible on all screen sizes) */
.o6u-sidebar-toggle-btn,
.s-sidebar-toggler,
#s-sidebar-toggler,
header .s-sidebar-toggler {
  visibility: visible !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 40px !important;
  min-width: 40px !important;
  height: 40px !important;
  background: rgba(255, 255, 255, 0.16) !important;
  border: 1px solid rgba(255, 255, 255, 0.28) !important;
  border-radius: 10px !important;
  color: #FFFFFF !important;
  cursor: pointer !important;
  font-size: 1.15rem !important;
  margin: 0 !important;
  margin-inline-end: 10px !important;
  padding: 0 !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  opacity: 1 !important;
  z-index: 1050 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.o6u-sidebar-toggle-btn:hover,
.s-sidebar-toggler:hover,
#s-sidebar-toggler:hover,
header .s-sidebar-toggler:hover {
  background: rgba(255, 255, 255, 0.3) !important;
  color: var(--o6u-accent) !important;
  border-color: var(--o6u-accent) !important;
  transform: scale(1.06) !important;
}

/* Force override of Serenity's desktop hidden toggler rule */
@media (min-width: 1200px) {
  .o6u-sidebar-toggle-btn,
  .s-sidebar-toggler,
  #s-sidebar-toggler,
  header .s-sidebar-toggler {
    visibility: visible !important;
    display: inline-flex !important;
    width: 40px !important;
    min-width: 40px !important;
    height: 40px !important;
    opacity: 1 !important;
  }
}

.s-sidebar-header-branding {
  display: flex;
  align-items: center;
  gap: 10px;
}

.s-sidebar-header-title {
  color: #FFFFFF !important;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
}

.o6u-header-badge {
  background: linear-gradient(135deg, var(--o6u-accent) 0%, var(--o6u-accent-hover) 100%);
  color: #002244;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  margin-inline-start: 8px;
  letter-spacing: 0.05em;
  display: inline-block;
}

.s-sidebar-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.s-sidebar-header-link {
  color: #FFFFFF !important;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  transition: var(--o6u-transition);
  text-decoration: none !important;
}

.s-sidebar-header-link:hover {
  background: rgba(255, 255, 255, 0.24);
  transform: translateY(-2px);
  color: var(--o6u-accent) !important;
  border-color: var(--o6u-accent);
}

/* ==========================================================================
   Sidebar: High Contrast & Dimensions
   ========================================================================== */
.s-sidebar {
  width: 260px;
  position: fixed !important;
  top: 64px !important;
  bottom: 0 !important;
  height: calc(100vh - 64px) !important;
  z-index: 1040 !important;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1), transform 0.35s ease !important;
  overflow: visible !important;
  display: flex !important;
  flex-direction: column !important;
}

.s-sidebar,
.s-sidebar-pane {
  background: #FFFFFF !important;
}

.s-sidebar-pane {
  width: 100% !important;
  height: 100% !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  position: relative !important;
  display: flex !important;
  flex-direction: column !important;
}

[data-theme="dark"] .s-sidebar,
[data-theme="dark"] .s-sidebar-pane,
body.dark-mode .s-sidebar,
body.dark-mode .s-sidebar-pane {
  background: #0B192C !important;
}

/* Floating Edge Toggle Button */
.o6u-sidebar-edge-toggle {
  position: absolute;
  top: 18px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%);
  border: 2px solid #FFFFFF;
  color: #D4AF37;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  cursor: pointer;
  z-index: 1060;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, background 0.2s ease;
  outline: none;
  padding: 0;
}

html[dir="ltr"] .o6u-sidebar-edge-toggle,
body.ltr .o6u-sidebar-edge-toggle {
  right: -13px;
}

html[dir="rtl"] .o6u-sidebar-edge-toggle,
body.rtl .o6u-sidebar-edge-toggle {
  left: -13px;
}

.o6u-sidebar-edge-toggle:hover {
  background: #002244;
  color: #FFFFFF;
  transform: scale(1.2);
}

/* Sidebar Brand Box */
.s-sidebar-brand-box {
  background: #FFFFFF;
  border-color: #E2E8F0 !important;
  transition: var(--o6u-transition);
}
  background: #FFFFFF;
  border-color: #E2E8F0 !important;
  transition: var(--o6u-transition);
}

[data-theme="dark"] .s-sidebar-brand-box,
body.dark-mode .s-sidebar-brand-box {
  background: #0B192C !important;
  border-color: #1E293B !important;
}

[data-theme="dark"] .s-sidebar-brand-text .text-dark,
body.dark-mode .s-sidebar-brand-text .text-dark {
  color: #FFFFFF !important;
}

/* Sidebar Search */
.s-sidebar-search {
  background: #F8FAFC !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 10px;
  padding: 8px 12px;
  transition: var(--o6u-transition);
}

[data-theme="dark"] .s-sidebar-search,
body.dark-mode .s-sidebar-search {
  background: #131D31 !important;
  border-color: #1E293B !important;
}

.s-sidebar-search:focus-within {
  background: #FFFFFF !important;
  border-color: var(--o6u-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.15);
}

.s-sidebar-search-input {
  background: transparent !important;
  color: #0F172A !important;
  border: none !important;
  outline: none !important;
  font-size: 0.88rem;
  font-weight: 500;
}

[data-theme="dark"] .s-sidebar-search-input,
body.dark-mode .s-sidebar-search-input {
  color: #F8FAFC !important;
}

.s-sidebar-search-input::placeholder {
  color: #94A3B8 !important;
}

.s-sidebar-search-icon {
  color: var(--o6u-primary-light) !important;
  margin-inline-end: 8px;
}

/* Sidebar Menu Links (High Contrast) */
.s-sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.s-sidebar-link {
  color: #334155 !important; /* High contrast Slate-700 */
  border-radius: 12px;
  margin: 4px 10px;
  padding: 10px 14px !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none !important;
  cursor: pointer;
}

[data-theme="dark"] .s-sidebar-link,
body.dark-mode .s-sidebar-link {
  color: #CBD5E1 !important;
}

/* Hover State */
.s-sidebar-link:hover {
  background: #F1F5F9 !important;
  color: #003366 !important;
  transform: translateX(4px);
}

html[dir="rtl"] .s-sidebar-link:hover,
body.rtl .s-sidebar-link:hover {
  transform: translateX(-4px);
}

[data-theme="dark"] .s-sidebar-link:hover,
body.dark-mode .s-sidebar-link:hover {
  background: #1E293B !important;
  color: #60A5FA !important;
}

/* Active State */
.s-sidebar-item.active > .s-sidebar-link {
  background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%) !important;
  color: #FFFFFF !important;
  font-weight: 700;
  border-radius: 12px !important;
  box-shadow: 0 4px 14px rgba(0, 51, 102, 0.28) !important;
  transform: none !important;
}

.s-sidebar-item.active > .s-sidebar-link .s-sidebar-icon {
  color: #D4AF37 !important;
}

.s-sidebar-item.active > .s-sidebar-link .s-sidebar-menu-toggle {
  color: #FFFFFF !important;
}

/* Sidebar Icons */
.s-sidebar-icon {
  color: var(--o6u-primary-light) !important;
  font-size: 1.15rem;
  margin-inline-end: 12px;
  width: 24px;
  text-align: center;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

[data-theme="dark"] .s-sidebar-icon,
body.dark-mode .s-sidebar-icon {
  color: var(--o6u-accent) !important;
}

.s-sidebar-link:hover .s-sidebar-icon {
  transform: scale(1.12);
}

/* Sub-Menu Toggle Chevron */
.s-sidebar-menu-toggle {
  margin-inline-start: auto;
  color: #94A3B8;
  font-size: 0.82rem;
  transition: transform 0.3s ease;
}

.s-sidebar-link[aria-expanded="true"] .s-sidebar-menu-toggle {
  transform: rotate(90deg);
}

html[dir="rtl"] .s-sidebar-link[aria-expanded="true"] .s-sidebar-menu-toggle,
body.rtl .s-sidebar-link[aria-expanded="true"] .s-sidebar-menu-toggle {
  transform: rotate(-90deg);
}

/* Nested Sub-Menus */
.s-sidebar-menu .s-sidebar-menu {
  padding-inline-start: 16px;
  margin: 2px 10px;
  border-inline-start: 2px solid #E2E8F0;
}

[data-theme="dark"] .s-sidebar-menu .s-sidebar-menu,
body.dark-mode .s-sidebar-menu .s-sidebar-menu {
  border-inline-start-color: #1E293B;
}

.s-sidebar-menu .s-sidebar-menu .s-sidebar-link {
  font-size: 0.88rem;
  padding: 8px 12px !important;
  margin: 2px 0;
}

/* ==========================================================================
   RTL / LTR Directional Docking & Layout Alignment
   ========================================================================== */
/* LTR (English) */
html[dir="ltr"] .s-sidebar,
body.ltr .s-sidebar {
  left: 0 !important;
  right: auto !important;
  border-right: 1px solid #E2E8F0 !important;
  border-left: none !important;
  box-shadow: 4px 0 20px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] html[dir="ltr"] .s-sidebar,
[data-theme="dark"] body.ltr .s-sidebar,
body.dark-mode.ltr .s-sidebar {
  border-right-color: #1E293B !important;
}

html[dir="ltr"] .s-main,
body.ltr .s-main {
  margin-left: 260px !important;
  margin-right: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  transition: margin 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Collapsed LTR */
html[dir="ltr"] body.s-sidebar-pane-collapsed .s-main,
html[dir="ltr"] body.sidebar-collapsed .s-main {
  margin-left: 72px !important;
  margin-right: 0 !important;
}

/* RTL (Arabic) */
html[dir="rtl"] .s-sidebar,
body.rtl .s-sidebar {
  right: 0 !important;
  left: auto !important;
  border-left: 1px solid #E2E8F0 !important;
  border-right: none !important;
  box-shadow: -4px 0 20px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] html[dir="rtl"] .s-sidebar,
[data-theme="dark"] body.rtl .s-sidebar,
body.dark-mode.rtl .s-sidebar {
  border-left-color: #1E293B !important;
}

html[dir="rtl"] .s-main,
body.rtl .s-main {
  margin-right: 260px !important;
  margin-left: 0 !important;
  padding-right: 0 !important;
  padding-left: 0 !important;
  transition: margin 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Collapsed RTL */
html[dir="rtl"] body.s-sidebar-pane-collapsed .s-main,
html[dir="rtl"] body.sidebar-collapsed .s-main {
  margin-right: 72px !important;
  margin-left: 0 !important;
}

/* ==========================================================================
   Smooth Collapsible Sidebar (.collapsed / .s-sidebar-pane-collapsed)
   ========================================================================== */
body.s-sidebar-pane-collapsed .s-sidebar,
body.sidebar-collapsed .s-sidebar,
.s-sidebar.collapsed {
  width: 72px !important;
}

body.s-sidebar-pane-collapsed .s-sidebar-brand-text,
body.s-sidebar-pane-collapsed .s-sidebar-link-text,
body.s-sidebar-pane-collapsed .s-sidebar-menu-toggle,
body.s-sidebar-pane-collapsed .s-sidebar-search,
body.sidebar-collapsed .s-sidebar-brand-text,
body.sidebar-collapsed .s-sidebar-link-text,
body.sidebar-collapsed .s-sidebar-menu-toggle,
body.sidebar-collapsed .s-sidebar-search,
.s-sidebar.collapsed .s-sidebar-brand-text,
.s-sidebar.collapsed .s-sidebar-link-text,
.s-sidebar.collapsed .s-sidebar-menu-toggle,
.s-sidebar.collapsed .s-sidebar-search {
  display: none !important;
  opacity: 0;
}

body.s-sidebar-pane-collapsed .s-sidebar-brand-box,
body.sidebar-collapsed .s-sidebar-brand-box,
.s-sidebar.collapsed .s-sidebar-brand-box {
  justify-content: center !important;
  padding: 0.85rem 0.5rem !important;
}

body.s-sidebar-pane-collapsed .s-sidebar-brand-content,
body.sidebar-collapsed .s-sidebar-brand-content,
.s-sidebar.collapsed .s-sidebar-brand-content {
  display: none !important;
}

body.s-sidebar-pane-collapsed .s-sidebar-collapse-toggle,
body.sidebar-collapsed .s-sidebar-collapse-toggle,
.s-sidebar.collapsed .s-sidebar-collapse-toggle {
  display: inline-flex !important;
  margin: 0 auto !important;
  width: 38px !important;
  height: 38px !important;
  background: #F1F5F9 !important;
  color: #003366 !important;
  border-radius: 8px !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] body.s-sidebar-pane-collapsed .s-sidebar-collapse-toggle,
[data-theme="dark"] body.sidebar-collapsed .s-sidebar-collapse-toggle,
[data-theme="dark"] .s-sidebar.collapsed .s-sidebar-collapse-toggle {
  background: #1E293B !important;
  color: #D4AF37 !important;
}

body.s-sidebar-pane-collapsed .s-sidebar-icon,
body.sidebar-collapsed .s-sidebar-icon,
.s-sidebar.collapsed .s-sidebar-icon {
  margin: 0 auto !important;
  font-size: 1.25rem !important;
}

body.s-sidebar-pane-collapsed .s-sidebar-link,
body.sidebar-collapsed .s-sidebar-link,
.s-sidebar.collapsed .s-sidebar-link {
  justify-content: center !important;
  padding: 12px 0 !important;
  margin: 6px 10px !important;
}

/* Tooltip on collapsed item hover */
body.s-sidebar-pane-collapsed .s-sidebar-item,
body.sidebar-collapsed .s-sidebar-item {
  position: relative;
}

body.s-sidebar-pane-collapsed .s-sidebar-item:hover::after,
body.sidebar-collapsed .s-sidebar-item:hover::after {
  content: attr(data-title);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #0F172A;
  color: #FFFFFF;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 1060;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

html[dir="ltr"] body.s-sidebar-pane-collapsed .s-sidebar-item:hover::after,
html[dir="ltr"] body.sidebar-collapsed .s-sidebar-item:hover::after {
  left: 78px;
}

html[dir="rtl"] body.s-sidebar-pane-collapsed .s-sidebar-item:hover::after,
html[dir="rtl"] body.sidebar-collapsed .s-sidebar-item:hover::after {
  right: 78px;
}


/* ==========================================================================
   Interactive Language & Theme Switchers
   ========================================================================== */
.o6u-quick-toggle-btn {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--o6u-transition);
  outline: none;
}

.o6u-quick-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--o6u-accent);
  border-color: var(--o6u-accent);
  transform: translateY(-2px);
}

.o6u-quick-toggle-btn .flag-icon {
  font-size: 1.1rem;
}

/* ==========================================================================
   Glassmorphism & Soft-Neumorphic Cards
   ========================================================================== */
.o6u-glass-card {
  background: var(--o6u-card-bg);
  backdrop-filter: var(--o6u-glass-blur);
  -webkit-backdrop-filter: var(--o6u-glass-blur);
  border: 1px solid var(--o6u-card-border);
  border-radius: var(--o6u-radius);
  box-shadow: var(--o6u-card-shadow);
  transition: var(--o6u-transition);
  position: relative;
  overflow: hidden;
}

.o6u-glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--o6u-card-shadow-hover);
  border-color: rgba(212, 175, 55, 0.35);
}

.o6u-glass-card-sm {
  border-radius: var(--o6u-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Metric KPI Accent Card Borders */
.o6u-kpi-card {
  position: relative;
  overflow: hidden;
  padding: 1.6rem;
  border-radius: var(--o6u-radius);
}

.o6u-kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--kpi-accent, var(--o6u-primary-light)), transparent);
}

.o6u-kpi-card.kpi-blue { --kpi-accent: #0B4F8A; }
.o6u-kpi-card.kpi-gold { --kpi-accent: #D4AF37; }
.o6u-kpi-card.kpi-emerald { --kpi-accent: #10B981; }
.o6u-kpi-card.kpi-violet { --kpi-accent: #8B5CF6; }

.o6u-kpi-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--o6u-transition);
  flex-shrink: 0;
}

.o6u-glass-card:hover .o6u-kpi-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

html[dir="rtl"] .o6u-glass-card:hover .o6u-kpi-icon-wrap {
  transform: scale(1.1) rotate(-5deg);
}

.o6u-kpi-value {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--o6u-text-main);
  letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}

.o6u-kpi-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--o6u-text-muted);
  margin-bottom: 4px;
}

.o6u-kpi-badge {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Hero Welcome Banner (Canvas / Moodle Style)
   ========================================================================== */
.o6u-hero-banner {
  background: linear-gradient(135deg, #002244 0%, #003366 50%, #0B4F8A 100%);
  border-radius: var(--o6u-radius-lg);
  padding: 2.25rem 2.5rem;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
  box-shadow: 0 15px 35px -10px rgba(0, 34, 68, 0.35);
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.o6u-hero-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

html[dir="rtl"] .o6u-hero-banner::after {
  right: auto;
  left: -10%;
}

.o6u-hero-content {
  position: relative;
  z-index: 2;
}

.o6u-hero-role-pill {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--o6u-accent);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
  margin-bottom: 12px;
}

.o6u-hero-title {
  color: #FFFFFF;
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.o6u-hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.02rem;
  max-width: 650px;
  margin-bottom: 1.5rem;
}

.o6u-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.o6u-btn-gold {
  background: linear-gradient(135deg, var(--o6u-accent) 0%, var(--o6u-accent-hover) 100%);
  color: #002244;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.35);
  transition: var(--o6u-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none !important;
}

.o6u-btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.45);
  color: #00162B;
}

.o6u-btn-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 12px;
  padding: 10px 20px;
  transition: var(--o6u-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none !important;
}

.o6u-btn-glass:hover {
  background: rgba(255, 255, 255, 0.28);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================================
   Moodle-Style Course Cards
   ========================================================================== */
.o6u-course-card {
  background: var(--o6u-card-bg);
  border: 1px solid var(--o6u-card-border);
  border-radius: var(--o6u-radius);
  overflow: hidden;
  transition: var(--o6u-transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--o6u-card-shadow);
}

.o6u-course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--o6u-card-shadow-hover);
  border-color: rgba(11, 79, 138, 0.3);
}

.o6u-course-banner {
  height: 120px;
  background: linear-gradient(135deg, var(--o6u-primary) 0%, var(--o6u-primary-light) 100%);
  position: relative;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.o6u-course-banner.pattern-1 { background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%); }
.o6u-course-banner.pattern-2 { background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%); }
.o6u-course-banner.pattern-3 { background: linear-gradient(135deg, #5B21B6 0%, #8B5CF6 100%); }
.o6u-course-banner.pattern-4 { background: linear-gradient(135deg, #9A3412 0%, #F97316 100%); }
.o6u-course-banner.pattern-5 { background: linear-gradient(135deg, #1E293B 0%, #475569 100%); }
.o6u-course-banner.pattern-6 { background: linear-gradient(135deg, #831843 0%, #EC4899 100%); }

.o6u-course-code-badge {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 6px;
  align-self: flex-start;
  letter-spacing: 0.04em;
}

.o6u-course-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.o6u-course-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--o6u-text-main);
  margin-bottom: 8px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.7em;
}

.o6u-course-faculty {
  font-size: 0.85rem;
  color: var(--o6u-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.o6u-course-doctor {
  font-size: 0.85rem;
  color: var(--o6u-text-secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.o6u-course-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--o6u-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.o6u-course-progress {
  height: 6px;
  border-radius: 3px;
  background-color: var(--o6u-border);
  overflow: hidden;
  margin-bottom: 10px;
}

.o6u-course-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--o6u-accent) 0%, var(--o6u-accent-hover) 100%);
  border-radius: 3px;
}

/* ==========================================================================
   Leaderboard Widget (Top Active Instructors)
   ========================================================================== */
.o6u-leaderboard-item {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--o6u-border);
  transition: var(--o6u-transition);
}

[data-theme="dark"] .o6u-leaderboard-item {
  background: rgba(255, 255, 255, 0.03);
}

.o6u-leaderboard-item:hover {
  background: var(--o6u-surface);
  transform: translateX(4px);
  border-color: var(--o6u-accent);
}

html[dir="rtl"] .o6u-leaderboard-item:hover {
  transform: translateX(-4px);
}

.o6u-rank-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  margin-inline-end: 12px;
  flex-shrink: 0;
}

.o6u-rank-1 { background: #FEF08A; color: #854D0E; border: 2px solid #FACC15; }
.o6u-rank-2 { background: #E2E8F0; color: #334155; border: 2px solid #94A3B8; }
.o6u-rank-3 { background: #FED7AA; color: #9A3412; border: 2px solid #FB923C; }
.o6u-rank-default { background: var(--o6u-border); color: var(--o6u-text-muted); }

/* ==========================================================================
   Quick Actions Panel
   ========================================================================== */
.o6u-action-btn {
  background: var(--o6u-surface);
  border: 1px solid var(--o6u-border);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--o6u-text-main);
  text-decoration: none !important;
  transition: var(--o6u-transition);
  font-weight: 600;
}

.o6u-action-btn:hover {
  background: var(--o6u-primary);
  color: #FFFFFF !important;
  border-color: var(--o6u-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -5px var(--o6u-primary-glow);
}

.o6u-action-btn .action-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--o6u-border-subtle);
  color: var(--o6u-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--o6u-transition);
  flex-shrink: 0;
}

.o6u-action-btn:hover .action-icon {
  background: rgba(255, 255, 255, 0.2);
  color: var(--o6u-accent);
}

/* ==========================================================================
   Loading Skeleton & Shimmer Effects
   ========================================================================== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.o6u-skeleton {
  background: linear-gradient(90deg, var(--o6u-border) 25%, var(--o6u-border-subtle) 50%, var(--o6u-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
}

/* Entrance Animations */
@keyframes o6uFadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.o6u-animate-fadein {
  animation: o6uFadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.o6u-delay-1 { animation-delay: 0.1s; }
.o6u-delay-2 { animation-delay: 0.2s; }
.o6u-delay-3 { animation-delay: 0.3s; }
.o6u-delay-4 { animation-delay: 0.4s; }

/* ==========================================================================
   Responsive Overrides & Chart Containers
   ========================================================================== */
.o6u-chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

@media (max-width: 768px) {
  .o6u-hero-banner {
    padding: 1.5rem;
  }
  .o6u-hero-title {
    font-size: 1.45rem;
  }
  .o6u-chart-container {
    height: 240px;
  }
}

/* ==========================================================================
   Internal Pages & Main Content Area
   ========================================================================== */
section.content {
  padding: 1.5rem 1.75rem !important;
  background-color: var(--o6u-bg) !important;
  min-height: calc(100vh - 64px) !important;
}

.content-header {
  padding: 0 0 1.25rem 0 !important;
  margin-bottom: 0.5rem !important;
}

.content-header > h1 {
  font-size: 1.65rem !important;
  font-weight: 800 !important;
  color: var(--o6u-primary) !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

[data-theme="dark"] .content-header > h1,
body.dark-mode .content-header > h1 {
  color: #F8FAFC !important;
}

/* ==========================================================================
   Serenity DataGrid: Glassmorphic Card Container
   ========================================================================== */
.s-DataGrid,
.grid-container {
  background: #FFFFFF !important;
  border: 1px solid var(--o6u-border) !important;
  border-radius: var(--o6u-radius) !important;
  box-shadow: var(--o6u-card-shadow) !important;
  padding: 1.5rem !important;
  margin-bottom: 2rem !important;
  transition: var(--o6u-transition) !important;
  position: relative !important;
}

[data-theme="dark"] .s-DataGrid,
[data-theme="dark"] .grid-container,
body.dark-mode .s-DataGrid,
body.dark-mode .grid-container {
  background: #131D31 !important;
  border-color: #1E293B !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.45) !important;
}

/* Grid Title Bar */
.grid-title {
  border-bottom: 1px solid var(--o6u-border) !important;
  padding-bottom: 1rem !important;
  margin-bottom: 1.25rem !important;
}

[data-theme="dark"] .grid-title,
body.dark-mode .grid-title {
  border-color: #1E293B !important;
}

.grid-title .title-text {
  font-size: 1.35rem !important;
  font-weight: 800 !important;
  color: var(--o6u-primary) !important;
  display: inline-flex !important;
  align-items: center !important;
  border-inline-start: 4px solid var(--o6u-accent) !important;
  padding-inline-start: 12px !important;
  letter-spacing: -0.01em !important;
}

[data-theme="dark"] .grid-title .title-text,
body.dark-mode .grid-title .title-text {
  color: #F8FAFC !important;
}

/* ==========================================================================
   Toolbar & Action Buttons (.s-Toolbar, .tool-button)
   ========================================================================== */
.s-Toolbar {
  margin-bottom: 1rem !important;
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}

.s-Toolbar .buttons-outer {
  border: none !important;
  background: transparent !important;
}

.s-Toolbar .buttons-inner {
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin: 0 !important;
}

.s-Toolbar .tool-button {
  background: #F8FAFC !important;
  border: 1px solid #CBD5E1 !important;
  border-radius: 10px !important;
  color: #334155 !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  padding: 7px 16px !important;
  cursor: pointer !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  margin: 0 !important;
}

[data-theme="dark"] .s-Toolbar .tool-button,
body.dark-mode .s-Toolbar .tool-button {
  background: #1E293B !important;
  border-color: #334155 !important;
  color: #CBD5E1 !important;
}

.s-Toolbar .tool-button:hover {
  background: var(--o6u-primary) !important;
  color: #FFFFFF !important;
  border-color: var(--o6u-primary) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.25) !important;
}

.s-Toolbar .tool-button .button-inner {
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.s-Toolbar .tool-button i,
.s-Toolbar .tool-button .button-icon {
  color: var(--o6u-primary) !important;
  transition: color 0.2s ease !important;
}

.s-Toolbar .tool-button:hover i,
.s-Toolbar .tool-button:hover .button-icon {
  color: #FFFFFF !important;
}

[data-theme="dark"] .s-Toolbar .tool-button i,
[data-theme="dark"] .s-Toolbar .tool-button .button-icon,
body.dark-mode .s-Toolbar .tool-button i,
body.dark-mode .s-Toolbar .tool-button .button-icon {
  color: var(--o6u-accent) !important;
}

/* Add / New Button (Primary Accent) */
.s-Toolbar .tool-button.add-button {
  background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(212, 175, 55, 0.4) !important;
  box-shadow: 0 4px 14px rgba(0, 51, 102, 0.28) !important;
}

.s-Toolbar .tool-button.add-button:hover {
  background: linear-gradient(135deg, #002244 0%, #003366 100%) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(0, 51, 102, 0.38) !important;
  color: var(--o6u-accent) !important;
}

.s-Toolbar .tool-button.add-button i.fa,
.s-Toolbar .tool-button.add-button i,
.s-Toolbar .tool-button.add-button .button-inner:before {
  color: var(--o6u-accent) !important;
}

/* Breadcrumbs */
.breadcrumb {
  background: transparent !important;
  padding: 0 !important;
  margin-bottom: 0.75rem !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

.breadcrumb-item a {
  color: var(--o6u-primary-light) !important;
  text-decoration: none !important;
}

.breadcrumb-item.active,
.breadcrumb-item:last-child {
  color: var(--o6u-primary) !important;
  font-weight: 800 !important;
}

[data-theme="dark"] .breadcrumb-item a {
  color: #93C5FD !important;
}

[data-theme="dark"] .breadcrumb-item.active,
[data-theme="dark"] .breadcrumb-item:last-child {
  color: #F8FAFC !important;
}

/* ==========================================================================
   Quick Search Bar (.s-QuickSearchBar, .s-QuickSearchInput)
   ========================================================================== */
.s-QuickSearchBar {
  display: inline-flex !important;
  align-items: center !important;
  background: #FFFFFF !important;
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 10px !important;
  padding: 0 8px !important;
  height: 40px !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03) !important;
  transition: all 0.2s ease !important;
  margin: 0 !important;
}

[data-theme="dark"] .s-QuickSearchBar,
body.dark-mode .s-QuickSearchBar {
  background: #0B192C !important;
  border-color: #1E293B !important;
}

.s-QuickSearchBar:focus-within {
  border-color: var(--o6u-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.15) !important;
}

.s-QuickSearchBar .s-QuickSearchInput {
  border: none !important;
  background: transparent !important;
  color: #0F172A !important;
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  height: 100% !important;
  padding: 0 8px !important;
  outline: none !important;
}

[data-theme="dark"] .s-QuickSearchBar .s-QuickSearchInput,
body.dark-mode .s-QuickSearchBar .s-QuickSearchInput {
  color: #F8FAFC !important;
}

.s-QuickSearchBar .s-QuickSearchInput::placeholder {
  color: #94A3B8 !important;
}

.s-QuickSearchBar .quick-search-icon {
  color: var(--o6u-primary-light) !important;
  font-size: 0.95rem !important;
  display: inline-flex !important;
  align-items: center !important;
}

a.quick-search-field {
  background: rgba(11, 79, 138, 0.08) !important;
  color: var(--o6u-primary) !important;
  border-radius: 6px !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  padding: 3px 8px !important;
  text-decoration: none !important;
  margin-inline-start: 6px !important;
}

[data-theme="dark"] a.quick-search-field,
body.dark-mode a.quick-search-field {
  background: rgba(212, 175, 55, 0.15) !important;
  color: var(--o6u-accent) !important;
}

/* ==========================================================================
   Quick Filters Bar (.quick-filters-bar, .select2)
   ========================================================================== */
.quick-filters-bar {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 0.75rem 0 !important;
  margin: 0.5rem 0 1.25rem 0 !important;
  border-top: 1px dashed var(--o6u-border) !important;
  border-bottom: 1px dashed var(--o6u-border) !important;
}

[data-theme="dark"] .quick-filters-bar,
body.dark-mode .quick-filters-bar {
  border-color: #1E293B !important;
}

.quick-filter-item {
  margin: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.quick-filter-item > span.caption {
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  color: #475569 !important;
}

[data-theme="dark"] .quick-filter-item > span.caption,
body.dark-mode .quick-filter-item > span.caption {
  color: #94A3B8 !important;
}

/* Generic Inputs and Selects inside Quick Filters */
.quick-filter-item input,
.quick-filter-item select,
.quick-filter-item .s-QuickFilterInput {
  background-color: #FFFFFF !important;
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 8px !important;
  height: 38px !important;
  padding: 6px 12px !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  color: #0F172A !important;
  outline: none !important;
  transition: all 0.2s ease !important;
}

[data-theme="dark"] .quick-filter-item input,
[data-theme="dark"] .quick-filter-item select,
[data-theme="dark"] .quick-filter-item .s-QuickFilterInput,
body.dark-mode .quick-filter-item input,
body.dark-mode .quick-filter-item select,
body.dark-mode .quick-filter-item .s-QuickFilterInput {
  background-color: #131D31 !important;
  border-color: #334155 !important;
  color: #F8FAFC !important;
}

.quick-filter-item input:focus,
.quick-filter-item select:focus,
.quick-filter-item .s-QuickFilterInput:focus {
  border-color: var(--o6u-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.15) !important;
}

/* Select2 Form Controls in Filters */
.select2-container--default .select2-selection--single {
  background-color: #FFFFFF !important;
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 8px !important;
  height: 38px !important;
  display: flex !important;
  align-items: center !important;
  transition: all 0.2s ease !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single,
body.dark-mode .select2-container--default .select2-selection--single {
  background-color: #131D31 !important;
  border-color: #334155 !important;
}

.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--o6u-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.15) !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: #0F172A !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  line-height: 36px !important;
  padding: 0 10px !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered,
body.dark-mode .select2-container--default .select2-selection--single .select2-selection__rendered {
  color: #F8FAFC !important;
}

.select2-dropdown {
  background: #FFFFFF !important;
  border: 1px solid var(--o6u-border) !important;
  border-radius: 12px !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15) !important;
  padding: 6px !important;
  overflow: hidden !important;
}

[data-theme="dark"] .select2-dropdown,
body.dark-mode .select2-dropdown {
  background: #131D31 !important;
  border-color: #1E293B !important;
}

.select2-results__option {
  border-radius: 8px !important;
  padding: 8px 12px !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  color: var(--o6u-text-main) !important;
}

.select2-container--default .select2-results__option--highlighted[aria-selected],
.select2-container--default .select2-results__option--selected {
  background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%) !important;
  color: #FFFFFF !important;
}

/* ==========================================================================
   Serenity SleekGrid: Headers, Rows & Cells
   ========================================================================== */
.slick-header {
  background: #F1F5F9 !important;
  border-bottom: 2px solid var(--o6u-primary) !important;
  border-top: none !important;
}

[data-theme="dark"] .slick-header,
body.dark-mode .slick-header {
  background: #1E293B !important;
  border-bottom: 2px solid var(--o6u-accent) !important;
}

.slick-header-columns {
  background: transparent !important;
}

.slick-header-column,
.slick-header-column.ui-state-default {
  background: transparent !important;
  border-right: 1px solid #E2E8F0 !important;
  border-left: none !important;
  padding: 10px 12px !important;
  font-weight: 800 !important;
  font-size: 0.88rem !important;
  color: var(--o6u-primary) !important;
  font-family: var(--o6u-font-ar), var(--o6u-font-en) !important;
}

[data-theme="dark"] .slick-header-column,
[data-theme="dark"] .slick-header-column.ui-state-default,
body.dark-mode .slick-header-column,
body.dark-mode .slick-header-column.ui-state-default {
  color: #F8FAFC !important;
  border-right-color: #334155 !important;
}

html[dir="rtl"] .slick-header-column {
  border-left: 1px solid #E2E8F0 !important;
  border-right: none !important;
}

.slick-sort-indicator {
  color: var(--o6u-accent) !important;
}

/* Rows & Cells */
.slick-row {
  height: 44px !important;
  line-height: 44px !important;
  border: none !important;
  transition: background 0.15s ease !important;
}

.slick-row.even {
  background: #FFFFFF !important;
}

.slick-row.odd {
  background: #F8FAFC !important;
}

[data-theme="dark"] .slick-row.even,
body.dark-mode .slick-row.even {
  background: #131D31 !important;
}

[data-theme="dark"] .slick-row.odd,
body.dark-mode .slick-row.odd {
  background: #0E1726 !important;
}

/* Hover Row */
.slick-row:hover,
.slick-row.active:hover {
  background: rgba(11, 79, 138, 0.08) !important;
}

[data-theme="dark"] .slick-row:hover,
body.dark-mode .slick-row:hover {
  background: rgba(212, 175, 55, 0.1) !important;
}

/* Active / Selected Row */
.slick-row.active,
.slick-row.selected {
  background: rgba(0, 51, 102, 0.12) !important;
}

.slick-cell {
  border-bottom: 1px solid #E2E8F0 !important;
  border-right: 1px solid rgba(241, 245, 249, 0.9) !important;
  border-left: none !important;
  color: #334155 !important;
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  padding: 0 12px !important;
}

[data-theme="dark"] .slick-cell,
body.dark-mode .slick-cell {
  border-bottom-color: #1E293B !important;
  border-right-color: #1E293B !important;
  color: #CBD5E1 !important;
}

html[dir="rtl"] .slick-cell {
  border-left: 1px solid rgba(241, 245, 249, 0.9) !important;
  border-right: none !important;
}

/* Cell Hyperlinks */
.slick-cell a {
  color: var(--o6u-primary-light) !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  transition: color 0.15s ease !important;
}

.slick-cell a:hover {
  color: var(--o6u-primary-dark) !important;
  text-decoration: underline !important;
}

[data-theme="dark"] .slick-cell a,
body.dark-mode .slick-cell a {
  color: #60A5FA !important;
}

/* Checkboxes */
.slick-cell input[type="checkbox"],
.check-box {
  accent-color: var(--o6u-primary) !important;
  width: 18px !important;
  height: 18px !important;
  border-radius: 4px !important;
  cursor: pointer !important;
}

/* ==========================================================================
   Pagination Footer (.s-SlickPager)
   ========================================================================== */
.s-SlickPager,
.slick-pager {
  background: #FFFFFF !important;
  border-top: 1px solid var(--o6u-border) !important;
  border-radius: 0 0 var(--o6u-radius) var(--o6u-radius) !important;
  padding: 12px 16px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-top: 0.5rem !important;
}

[data-theme="dark"] .s-SlickPager,
[data-theme="dark"] .slick-pager,
body.dark-mode .s-SlickPager,
body.dark-mode .slick-pager {
  background: #131D31 !important;
  border-top-color: #1E293B !important;
}

.slick-pager .slick-pager-status {
  color: #64748B !important;
  font-size: 0.85rem !important;
  font-weight: 600 !important;
}

.slick-pg-btn {
  border-radius: 6px !important;
  color: var(--o6u-primary) !important;
  cursor: pointer !important;
  padding: 4px 8px !important;
}

.slick-pg-btn:hover {
  background: #F1F5F9 !important;
}

/* ==========================================================================
   Entity Dialogs & Form Modals (.ui-dialog, .s-EntityDialog)
   ========================================================================== */
.ui-dialog.s-Dialog {
  border-radius: 16px !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4) !important;
  border: 1px solid var(--o6u-border) !important;
  overflow: hidden !important;
  background: #FFFFFF !important;
  padding: 0 !important;
}

[data-theme="dark"] .ui-dialog.s-Dialog,
body.dark-mode .ui-dialog.s-Dialog {
  background: #131D31 !important;
  border-color: #1E293B !important;
}

/* Dialog Header */
.ui-dialog-titlebar {
  background: linear-gradient(135deg, var(--o6u-primary-dark) 0%, var(--o6u-primary) 100%) !important;
  border: none !important;
  border-radius: 16px 16px 0 0 !important;
  padding: 14px 20px !important;
  color: #FFFFFF !important;
}

.ui-dialog-title {
  color: #FFFFFF !important;
  font-weight: 800 !important;
  font-size: 1.15rem !important;
  letter-spacing: 0.01em !important;
}

.ui-dialog-titlebar-close {
  background: rgba(255, 255, 255, 0.15) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  border-radius: 8px !important;
  color: #FFFFFF !important;
  width: 32px !important;
  height: 32px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
}

.ui-dialog-titlebar-close:hover {
  background: rgba(255, 255, 255, 0.3) !important;
  color: var(--o6u-accent) !important;
}

/* Dialog Toolbar (Save, Apply, Delete) */
.ui-dialog .s-Toolbar {
  background: #F8FAFC !important;
  border-bottom: 1px solid #E2E8F0 !important;
  padding: 10px 16px !important;
  margin: 0 !important;
}

[data-theme="dark"] .ui-dialog .s-Toolbar,
body.dark-mode .ui-dialog .s-Toolbar {
  background: #1E293B !important;
  border-color: #334155 !important;
}

.ui-dialog .tool-button.save-and-close-button {
  background: linear-gradient(135deg, #003366 0%, #0B4F8A 100%) !important;
  color: #FFFFFF !important;
  border: none !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 10px rgba(0, 51, 102, 0.25) !important;
}

.ui-dialog .tool-button.save-and-close-button i.fa {
  color: var(--o6u-accent) !important;
}

.ui-dialog .tool-button.apply-changes-button {
  background: #FFFFFF !important;
  border: 1.5px solid #CBD5E1 !important;
  color: #003366 !important;
  font-weight: 700 !important;
}

.ui-dialog .tool-button.delete-button {
  background: #EF4444 !important;
  color: #FFFFFF !important;
  border: none !important;
  font-weight: 700 !important;
}

/* PropertyGrid Form Fields & Labels */
.s-PropertyGrid .category-title {
  color: var(--o6u-primary) !important;
  font-weight: 800 !important;
  font-size: 1.05rem !important;
  border-bottom: 2px solid var(--o6u-accent) !important;
  padding-bottom: 6px !important;
  margin-top: 1rem !important;
}

[data-theme="dark"] .s-PropertyGrid .category-title,
body.dark-mode .s-PropertyGrid .category-title {
  color: var(--o6u-accent) !important;
  border-bottom-color: var(--o6u-primary-light) !important;
}

.s-PropertyGrid .field .caption {
  color: #334155 !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
}

[data-theme="dark"] .s-PropertyGrid .field .caption,
body.dark-mode .s-PropertyGrid .field .caption {
  color: #CBD5E1 !important;
}

.s-PropertyGrid input.editor,
.s-PropertyGrid select.editor,
.s-PropertyGrid textarea.editor {
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 8px !important;
  padding: 8px 12px !important;
  font-size: 0.9rem !important;
  transition: all 0.2s ease !important;
}

.s-PropertyGrid input.editor:focus,
.s-PropertyGrid select.editor:focus,
.s-PropertyGrid textarea.editor:focus {
  border-color: var(--o6u-primary-light) !important;
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.15) !important;
}

[data-theme="dark"] .s-PropertyGrid input.editor,
[data-theme="dark"] .s-PropertyGrid select.editor,
[data-theme="dark"] .s-PropertyGrid textarea.editor,
body.dark-mode .s-PropertyGrid input.editor,
body.dark-mode .s-PropertyGrid select.editor,
body.dark-mode .s-PropertyGrid textarea.editor {
  background-color: #1E293B !important;
  border-color: #334155 !important;
  color: #F8FAFC !important;
}