/* ========================================
   PROFESSIONAL DARK THEME - GLOBAL STYLES
   Complete dark theme for membership platform
   NO WHITE BACKGROUNDS - Sophisticated Design
   ======================================== */

/* ========================================
   BODY & MAIN LAYOUT
   ======================================== */

body {
    background-color: var(--bg-dark, #121212) !important;
    color: var(--text-primary, #e8e8e8);
}

.mdk-drawer-layout__content,
.page-content,
.main-content {
    background-color: var(--bg-primary, #1a1a1a) !important;
}

.page,
.page__container,
.container-fluid {
    background-color: var(--bg-primary, #1a1a1a) !important;
    color: var(--text-primary, #e8e8e8);
}

/* MDK Layout specific */
.mdk-header-layout,
.mdk-header-layout__content,
.mdk-drawer-layout,
.mdk-drawer-layout__content {
    background-color: var(--bg-primary, #1a1a1a) !important;
}

/* ========================================
   NAVIGATION BAR - CLEAN & MINIMAL
   Remove all orange borders/outlines
   ======================================== */

/* Top navbar - sophisticated dark */
#default-navbar,
.navbar {
    background-color: var(--bg-primary, #1a1a1a) !important;
    border-bottom: 1px solid var(--border-subtle, #2a2a2a);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
    border: none !important; /* REMOVE ALL BORDERS */
}

/* Keep ONLY the logo/brand orange */
.navbar-brand {
    color: var(--text-primary, #e8e8e8) !important;
    font-weight: 600;
    border: none !important;
}

/* Navigation links - clean, no borders */
.navbar-nav .nav-link {
    color: var(--text-secondary, #b0b0b0) !important;
    border: none !important;
    transition: color var(--transition-base, 0.2s ease);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--text-primary-bright, #f0f0f0) !important;
    background-color: transparent;
}

.navbar-nav .nav-link.active {
    color: var(--accent-orange, #E77D01) !important;
}

/* Search bar - dark themed */
.search-form,
.navbar .search-form {
    background-color: var(--bg-elevated, #2a2a2a) !important;
    border: 1px solid var(--border-secondary, #404040) !important;
    border-radius: var(--radius-md, 6px);
    padding: 0.375rem 0.75rem !important;
}

.search-form .form-control {
    background-color: transparent !important;
    border: none !important;
    color: var(--text-primary, #e8e8e8) !important;
}

.search-form .form-control::placeholder {
    color: var(--text-muted, #7a7a7a) !important;
}

.search-form .btn {
    color: var(--text-secondary, #b0b0b0) !important;
    border: none !important;
}

.search-form .btn:hover {
    color: var(--accent-orange, #E77D01) !important;
}

/* Remove any navbar borders */
.navbar-toggler {
    border: none !important;
    color: var(--text-primary, #e8e8e8) !important;
}

/* ========================================
   CARDS & PANELS - MODERN DESIGN
   ======================================== */

.card {
    background-color: var(--bg-card, #242424);
    border: 1px solid var(--border-primary, #3a3a3a);
    color: var(--text-primary, #e8e8e8);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.3));
    border-radius: var(--radius-lg, 8px);
}

.card-header {
    background-color: var(--bg-elevated, #2a2a2a);
    border-bottom: 1px solid var(--border-primary, #3a3a3a);
    color: var(--text-primary, #e8e8e8);
    padding: var(--spacing-lg, 24px);
}

.card-footer {
    background-color: var(--bg-elevated, #2a2a2a);
    border-top: 1px solid var(--border-primary, #3a3a3a);
    color: var(--text-secondary, #b0b0b0);
    padding: var(--spacing-lg, 24px);
}

.card-body {
    background-color: var(--bg-card, #242424);
    padding: var(--spacing-lg, 24px);
}

.card-title {
    color: var(--text-primary-bright, #f0f0f0);
    font-weight: 600;
    font-size: 1.125rem;
}

.card-subtitle {
    color: var(--text-tertiary, #9e9e9e);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

.card-text {
    color: var(--text-secondary, #b0b0b0);
    line-height: 1.6;
}

/* ========================================
   BREADCRUMB - MINIMALIST
   ======================================== */

.breadcrumb {
    background-color: transparent !important;
    border: none;
    padding: 1rem 0;
    margin-bottom: var(--spacing-lg, 24px);
}

.breadcrumb-item,
.breadcrumb-item span {
    color: var(--text-tertiary, #9e9e9e) !important;
    font-size: 0.875rem;
}

.breadcrumb-item.active,
.breadcrumb-item.active span {
    color: var(--text-secondary, #b0b0b0) !important;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-disabled, #6e6e6e) !important;
}

/* ========================================
   PAGE TITLES & HEADINGS
   ======================================== */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-primary-bright, #f0f0f0) !important;
    font-weight: 600;
}

h1, .h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xl, 32px);
}

h2, .h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg, 24px);
}

.page-title,
.section-title {
    color: var(--text-primary-bright, #f0f0f0) !important;
}

/* ========================================
   PAGE STRUCTURE & CONTAINERS
   ======================================== */

/* Main page wrapper */
.page,
.page__container,
.container-fluid {
    background-color: var(--bg-primary, #1a1a1a) !important;
    color: var(--text-primary, #e0e0e0);
}

/* MDK Layout specific */
.mdk-header-layout,
.mdk-header-layout__content,
.mdk-drawer-layout,
.mdk-drawer-layout__content {
    background-color: var(--bg-primary, #1a1a1a) !important;
}

/* ========================================
   CARDS & PANELS
   ======================================== */

.card {
    background-color: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-primary, #404040);
    color: var(--text-primary, #e0e0e0);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.3));
}

.card-header {
    background-color: var(--bg-elevated, #333333);
    border-bottom: 1px solid var(--border-primary, #404040);
    color: var(--text-primary, #e0e0e0);
}

.card-footer {
    background-color: var(--bg-elevated, #333333);
    border-top: 1px solid var(--border-primary, #404040);
    color: var(--text-secondary, #b0b0b0);
}

.card-body {
    background-color: var(--bg-card, #2a2a2a);
}

.card-title {
    color: var(--text-primary, #e0e0e0);
}

.card-subtitle,
.card-text {
    color: var(--text-secondary, #b0b0b0);
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */

.navbar,
.header,
.top-bar {
    background-color: var(--bg-primary, #1a1a1a) !important;
    border-bottom: 1px solid var(--border-primary, #404040);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.3));
}

.navbar-brand {
    color: var(--text-primary, #e0e0e0) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary, #b0b0b0) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--text-primary, #e0e0e0) !important;
}

.navbar-nav .nav-link.active {
    color: var(--accent-orange, #E77D01) !important;
}

/* ========================================
   BUTTONS - MODERN & ACCESSIBLE
   ======================================== */

/* Primary Button (Blue) */
.btn-primary {
    background-color: var(--accent-blue, #3b82f6);
    border-color: var(--accent-blue, #3b82f6);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md, 6px);
    font-weight: 500;
    transition: all var(--transition-base, 0.2s ease);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--accent-blue-hover, #2563eb);
    border-color: var(--accent-blue-hover, #2563eb);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--bg-elevated-hover, #2d2d2d);
    border-color: var(--border-secondary, #404040);
    color: var(--text-primary, #e8e8e8);
    border-radius: var(--radius-md, 6px);
    transition: all var(--transition-base, 0.2s ease);
}

.btn-secondary:hover {
    background-color: var(--bg-interactive-hover, #353535);
    color: var(--text-primary-bright, #f0f0f0);
}

/* Link Buttons */
.btn-link {
    color: var(--text-secondary, #b0b0b0) !important;
    border: none;
}

.btn-link:hover {
    color: var(--text-primary, #e8e8e8) !important;
}

/* ========================================
   LIST GROUPS - COURSE ITEMS
   ======================================== */

.list-group {
    background-color: transparent;
}

.list-group-item {
    background-color: var(--bg-card, #1a1a1a) !important;
    border: 1px solid var(--border-primary, #3a3a3a);
    color: var(--text-primary, #e8e8e8);
    transition: all var(--transition-base, 0.2s ease);
    padding: 1rem 1.25rem;
}

.list-group-item:first-child {
    border-top-left-radius: var(--radius-lg, 8px);
    border-top-right-radius: var(--radius-lg, 8px);
}

.list-group-item:last-child {
    border-bottom-left-radius: var(--radius-lg, 8px);
    border-bottom-right-radius: var(--radius-lg, 8px);
}

.list-group-item:hover {
    background-color: var(--bg-elevated-hover, #2d2d2d);
    border-color: var(--border-secondary, #404040);
}

.list-group-item.active {
    background-color: var(--bg-elevated, #2a2a2a);
    border-color: var(--border-secondary, #404040);
    color: var(--text-primary-bright, #f0f0f0);
    position: relative;
}

/* Left accent for active items */
.list-group-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-orange, #E77D01), var(--accent-orange-hover, #D16D01));
}

.list-group-item-action:focus,
.list-group-item-action:hover {
    background-color: var(--bg-elevated-hover, #2d2d2d);
    color: var(--text-primary-bright, #f0f0f0);
}

/* ========================================
   VIDEO/MODULE PAGE - CRITICAL STYLING
   ======================================== */

/* Video container */
.embed-responsive {
    background-color: var(--bg-darkest, #0a0a0a);
    border-radius: var(--radius-lg, 8px);
    overflow: hidden;
}

.embed-responsive-item,
iframe {
    border: none;
    background-color: var(--bg-darkest, #0a0a0a);
}

/* Video player card */
.col-md-8 > .card,
.video-card {
    background-color: var(--bg-card, #242424);
    border: 1px solid var(--border-primary, #3a3a3a);
}

/* Video description area */
#card-body,
.video-description {
    background-color: var(--bg-card, #242424) !important;
    color: var(--text-secondary, #b0b0b0) !important;
    padding: var(--spacing-lg, 24px);
    line-height: 1.6;
}

/* Video title */
.video-title,
.module-title {
    color: var(--text-primary-bright, #f0f0f0) !important;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md, 16px);
}

/* Lesson list (videos list) */
.list-group-item.videos {
    background-color: var(--bg-card, #242424);
    border-color: var(--border-primary, #3a3a3a);
    transition: all var(--transition-base, 0.2s ease);
}

.list-group-item.videos:hover {
    background-color: var(--bg-elevated, #2a2a2a);
}

.list-group-item.videos.active {
    background-color: var(--bg-elevated-hover, #2d2d2d);
    border-left: 3px solid var(--accent-orange, #E77D01);
}

/* Video link text */
.videoId {
    color: var(--text-primary, #e8e8e8) !important;
    font-weight: 500;
    transition: color var(--transition-base, 0.2s ease);
}

.videoId:hover {
    color: var(--text-primary-bright, #f0f0f0) !important;
    text-decoration: none;
}

.videoId.text-white {
    color: #ffffff !important;
}

/* Video index number */
.index {
    color: var(--text-tertiary, #9e9e9e) !important;
    font-weight: 600;
    font-size: 0.875rem;
}

.list-group-item.active .index {
    color: var(--accent-orange, #E77D01) !important;
}

/* Video duration */
.duration {
    color: var(--text-muted, #7a7a7a) !important;
    font-size: 0.8125rem;
}

.list-group-item.active .duration {
    color: var(--text-secondary, #b0b0b0) !important;
}

/* Video thumbnail */
.thumbnail,
#thumbnail {
    background-color: var(--bg-darkest, #0a0a0a);
    border-radius: var(--radius-md, 6px);
}

/* Video play button overlay */
.video-play-button {
    background-color: rgba(231, 125, 1, 0.9);
    border-radius: 50%;
    transition: all var(--transition-base, 0.2s ease);
}

.video-play-button:hover {
    background-color: var(--accent-orange, #E77D01);
    transform: scale(1.1);
}

/* ========================================
   INSTRUCTOR PROFILE SECTION
   ======================================== */

.instructor-card,
.profile-card {
    background-color: var(--bg-elevated, #2a2a2a);
    border: 1px solid var(--border-primary, #3a3a3a);
    border-radius: var(--radius-lg, 8px);
    padding: var(--spacing-lg, 24px);
}

.instructor-name {
    color: var(--text-primary-bright, #f0f0f0);
    font-weight: 600;
}

.instructor-title {
    color: var(--text-tertiary, #9e9e9e);
    font-size: 0.875rem;
}

/* Social media icons */
.social-icons a {
    background-color: var(--bg-card, #242424);
    border: 1px solid var(--border-primary, #3a3a3a);
    color: var(--text-secondary, #b0b0b0);
    transition: all var(--transition-base, 0.2s ease);
}

.social-icons a:hover {
    background-color: var(--bg-elevated-hover, #2d2d2d);
    color: var(--text-primary, #e8e8e8);
    transform: translateY(-2px);
}

/* ========================================
   COURSE SPECIFIC ELEMENTS
   ======================================== */

/* Course Cards */
.course-card {
    background-color: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-primary, #404040);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.course-card:hover {
    border-color: var(--accent-orange, #E77D01);
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.4));
    transform: translateY(-2px);
}

.course-title {
    color: var(--text-primary, #e0e0e0);
}

.course-meta,
.course-description {
    color: var(--text-secondary, #b0b0b0);
}

.course-progress {
    background-color: var(--bg-elevated, #333333);
}

.course-progress-bar {
    background-color: var(--accent-orange, #E77D01);
}

/* Lesson List */
.lesson-item {
    background-color: var(--bg-card, #2a2a2a);
    border-bottom: 1px solid var(--border-light, #353535);
    color: var(--text-secondary, #b0b0b0);
    padding: 1rem;
    transition: background-color 0.2s ease;
}

.lesson-item:hover {
    background-color: var(--hover-bg, #353535);
}

.lesson-item.completed {
    color: var(--text-primary, #e0e0e0);
}

.lesson-item.completed .lesson-icon {
    color: #10b981;
}

.lesson-item.active {
    background-color: var(--accent-orange-light, rgba(231, 125, 1, 0.1));
    border-left: 3px solid var(--accent-orange, #E77D01);
    color: var(--text-primary, #e0e0e0);
}

/* ========================================
   CALENDAR COMPONENT
   ======================================== */

.fc {
    background-color: var(--bg-card, #2a2a2a);
}

.fc-toolbar-title {
    color: var(--text-primary, #e0e0e0);
}

.fc-button {
    background-color: var(--bg-elevated, #333333);
    border-color: var(--border-secondary, #4a4a4a);
    color: var(--text-primary, #e0e0e0);
}

.fc-button:hover {
    background-color: var(--hover-bg, #353535);
    border-color: var(--border-secondary, #4a4a4a);
}

.fc-button-primary:not(:disabled).fc-button-active {
    background-color: var(--accent-blue, #3b82f6);
    border-color: var(--accent-blue, #3b82f6);
}

.fc-daygrid-day {
    background-color: var(--bg-card, #2a2a2a);
    border-color: var(--border-light, #353535);
}

.fc-daygrid-day-number {
    color: var(--text-primary, #e0e0e0);
}

.fc-col-header-cell {
    background-color: var(--bg-elevated, #333333);
    color: var(--text-secondary, #b0b0b0);
}

.fc-daygrid-day.fc-day-today {
    background-color: rgba(59, 130, 246, 0.1);
}

.fc-event {
    background-color: var(--accent-orange, #E77D01);
    border-color: var(--accent-orange, #E77D01);
}

/* ========================================
   IFRAME & CALENDAR CONTAINERS
   ======================================== */

iframe {
    border: 1px solid var(--border-primary, #404040) !important;
    border-radius: 8px;
    background-color: var(--bg-card, #2a2a2a);
}

.responsive-iframe-container {
    background-color: var(--bg-card, #2a2a2a);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-primary, #404040);
}

/* Google Calendar specific overrides */
.responsive-iframe-container iframe {
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.3));
}

/* ========================================
   SCROLLBARS (GLOBAL)
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary, #1a1a1a);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary, #4a4a4a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary, #9e9e9e);
}

/* ========================================
   LINKS
   ======================================== */

a {
    color: var(--accent-blue, #3b82f6);
    text-decoration: none;
}

a:hover {
    color: var(--accent-blue-hover, #2563eb);
    text-decoration: underline;
}

/* Exception: No underline on navbar buttons */
.navbar-ultra-modern a,
.navbar-ultra-modern a:hover,
.navbar-ultra-modern a:focus,
.navbar-ultra-modern a:active {
    text-decoration: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

/* ========================================
   BORDERS & DIVIDERS
   ======================================== */

hr,
.divider {
    border-color: var(--border-primary, #404040);
    opacity: 1;
}

/* ========================================
   TOOLTIPS & POPOVERS
   ======================================== */

.tooltip-inner {
    background-color: var(--bg-elevated, #333333);
    color: var(--text-primary, #e0e0e0);
}

.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--bg-elevated, #333333);
}

.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: var(--bg-elevated, #333333);
}

.popover {
    background-color: var(--bg-elevated, #333333);
    border-color: var(--border-primary, #404040);
}

.popover-header {
    background-color: var(--bg-card, #242424);
    color: var(--text-primary, #e0e0e0);
    border-bottom: 1px solid var(--border-primary, #404040);
}

.popover-body {
    color: var(--text-secondary, #b0b0b0);
}

/* ========================================
   DASHBOARD SPECIFIC
   ======================================== */

.dashboard-widget {
    background-color: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-primary, #404040);
    border-radius: 12px;
    padding: 1.5rem;
}

.dashboard-stat-value {
    color: var(--text-primary, #e0e0e0);
    font-size: 2rem;
    font-weight: 700;
}

.dashboard-stat-label {
    color: var(--text-secondary, #b0b0b0);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-chart {
    background-color: var(--bg-card, #2a2a2a);
    border-radius: 8px;
}

/* ========================================
   LOADING & SPINNERS
   ======================================== */

.spinner-border,
.spinner-grow {
    color: var(--accent-blue, #3b82f6);
}

.spinner-border-orange,
.spinner-grow-orange {
    color: var(--accent-orange, #E77D01);
}

/* ========================================
   EMPTY STATES
   ======================================== */

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-tertiary, #9e9e9e);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted, #757575);
    margin-bottom: 1rem;
}

.empty-state-title {
    color: var(--text-secondary, #b0b0b0);
    font-size: 1.25rem;
    font-weight: 600;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-muted {
    color: var(--text-muted, #757575) !important;
}

.text-light {
    color: var(--text-secondary, #b0b0b0) !important;
}

.bg-dark {
    background-color: var(--bg-primary, #1a1a1a) !important;
}

.bg-light {
    background-color: var(--bg-elevated, #333333) !important;
}

.border {
    border-color: var(--border-primary, #404040) !important;
}

.border-light {
    border-color: var(--border-light, #353535) !important;
}

/* ========================================
   BOOTSTRAP OVERRIDES - NO WHITE BACKGROUNDS
   ======================================== */

/* Remove ALL white backgrounds */
.bg-white {
    background-color: var(--bg-card, #242424) !important;
}

.bg-light {
    background-color: var(--bg-secondary, #1e1e1e) !important;
}

.bg-gray-100,
.bg-gray-200 {
    background-color: var(--bg-elevated, #2a2a2a) !important;
}

/* Text color overrides */
.text-dark {
    color: var(--text-primary, #e8e8e8) !important;
}

.text-muted {
    color: var(--text-tertiary, #9e9e9e) !important;
}

.text-muted-light {
    color: var(--text-muted, #7a7a7a) !important;
}

.text-white {
    color: #ffffff !important;
}

/* Border overrides */
.border {
    border-color: var(--border-primary, #3a3a3a) !important;
}

.border-light {
    border-color: var(--border-subtle, #2a2a2a) !important;
}

/* ========================================
   COURSE THUMBNAILS & IMAGES
   ======================================== */

.course-image,
.course-thumbnail,
.lesson-image,
.module-image {
    background-color: var(--bg-darkest, #0a0a0a);
    border: 1px solid var(--border-primary, #3a3a3a);
    border-radius: var(--radius-md, 6px);
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   ADDITIONAL OVERRIDES
   ======================================== */

/* Ensure row backgrounds are transparent */
.row {
    background-color: transparent;
}

/* Column backgrounds */
.col, .col-lg-7, .col-lg-5, .col-lg-8, .col-lg-4, .col-md-12, .col-md-8, .col-md-4,
[class*="col-"] {
    background-color: transparent;
}

/* Material Icons in dark theme */
.material-icons {
    color: inherit;
}

/* Alert boxes */
.alert {
    border-radius: var(--radius-lg, 8px);
    border: 1px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green, #10b981);
    color: var(--accent-green, #10b981);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue, #3b82f6);
    color: var(--accent-blue, #3b82f6);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--accent-yellow, #f59e0b);
    color: var(--accent-yellow, #f59e0b);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red, #ef4444);
    color: var(--accent-red, #ef4444);
}

/* ========================================
   SCROLLBAR CUSTOMIZATION
   ======================================== */

/* Main scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark, #121212);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated, #2a2a2a);
    border-radius: 6px;
    border: 2px solid var(--bg-dark, #121212);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-subtle, #333333);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .card {
        margin-bottom: var(--spacing-md, 16px);
    }
    
    .card-body {
        padding: var(--spacing-md, 16px);
    }
    
    .stats-card .stat-value {
        font-size: 1.5rem;
    }
    
    h1, .h1 {
        font-size: 1.75rem;
    }
    
    h2, .h2 {
        font-size: 1.375rem;
    }
}

/* ========================================
   REMOVE CALENDAR COMPONENT
   Hide calendar if present
   ======================================== */

.calendar-container,
.responsive-iframe-container:has(iframe[src*="calendar.google.com"]) {
    display: none !important;
}

/* If you want to keep calendar but style it dark */
.responsive-iframe-container {
    background-color: var(--bg-card, #242424);
    padding: var(--spacing-lg, 24px);
    border-radius: var(--radius-lg, 8px);
    border: 1px solid var(--border-primary, #3a3a3a);
}

.responsive-iframe-container iframe {
    border: none;
    border-radius: var(--radius-md, 6px);
}

/* ========================================
   FOCUS & ACCESSIBILITY
   ======================================== */

*:focus {
    outline: none;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px var(--focus-ring, rgba(59, 130, 246, 0.4));
    outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --border-primary: #555555;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    body {
        background-color: #ffffff;
        color: #000000;
    }
    
    .sidebar,
    .navbar,
    .btn,
    .breadcrumb {
        display: none;
    }
    
    .card {
        border: 1px solid #000000;
        box-shadow: none;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card, #242424) 25%,
        var(--bg-elevated, #2a2a2a) 50%,
        var(--bg-card, #242424) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   COLLAPSE/ACCORDION - FULL ORANGE BACKGROUND FOR EXPANDED
   ======================================== */

/* Remove any unwanted borders from collapse elements */
.collapse,
.collapsing,
.accordion .card,
.accordion-item {
    border-bottom: none !important;
}

/* FOND ORANGE ADOUCI pour les thèmes ouverts - VERSION RAFFINÉE */
.sidebar .sidebar-js-collapse[aria-expanded="true"],
.sidebar .sidebar-menu-button[aria-expanded="true"],
.sidebar-js-collapse[aria-expanded="true"],
.sidebar-menu-button[aria-expanded="true"],
a.sidebar-js-collapse[aria-expanded="true"],
a.sidebar-menu-button[aria-expanded="true"] {
    background: linear-gradient(90deg, 
        rgba(231, 125, 1, 0.15) 0%, 
        rgba(231, 125, 1, 0.08) 100%
    ) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
    border-left: 3px solid rgba(231, 125, 1, 0.6) !important;
    border-radius: var(--radius-lg, 8px) !important;
}

/* Fond orange adouci au survol - légèrement plus visible */
.sidebar .sidebar-js-collapse[aria-expanded="true"]:hover,
.sidebar .sidebar-menu-button[aria-expanded="true"]:hover,
.sidebar-js-collapse[aria-expanded="true"]:hover,
.sidebar-menu-button[aria-expanded="true"]:hover,
a.sidebar-js-collapse[aria-expanded="true"]:hover,
a.sidebar-menu-button[aria-expanded="true"]:hover {
    background: linear-gradient(90deg, 
        rgba(231, 125, 1, 0.22) 0%, 
        rgba(231, 125, 1, 0.12) 100%
    ) !important;
    color: #ffffff !important;
    box-shadow: none !important;
}

/* Ensure all text is white on orange background */
.sidebar-js-collapse[aria-expanded="true"] *,
.sidebar-menu-button[aria-expanded="true"] *,
a.sidebar-js-collapse[aria-expanded="true"] *,
a.sidebar-menu-button[aria-expanded="true"] * {
    color: #ffffff !important;
}

/* Remove any ::before pseudo-elements that might interfere */
.sidebar-js-collapse[aria-expanded="true"]::before,
.sidebar-menu-button.sidebar-js-collapse[aria-expanded="true"]::before,
a.sidebar-js-collapse[aria-expanded="true"]::before {
    display: none !important;
    content: none !important;
}

/* ========================================
   DASHBOARD CARDS - DARK THEME FIX
   Remove ALL white backgrounds
   ======================================== */

/* Main dashboard cards - "Cours suivis" and "Rapport" */
.card {
    background-color: var(--bg-card, #1e1e1e) !important;
    border: 1px solid var(--border-subtle, #3a3a3a) !important;
    border-radius: var(--radius-lg, 8px) !important;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.3)) !important;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all var(--transition-base, 0.2s ease);
}

.card:hover {
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.4)) !important;
    border-color: var(--border-secondary, #404040) !important;
}

/* Card header */
.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid var(--border-divider, #2d2d2d) !important;
    padding: 1.5rem !important;
}

/* Card title */
.card-title {
    color: var(--text-primary, #e8e8e8) !important;
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    margin-bottom: 0.25rem !important;
    letter-spacing: -0.02em;
}

/* Card subtitle */
.card-subtitle {
    color: var(--text-muted, #7a7a7a) !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    margin-bottom: 0 !important;
}

/* Card body */
.card-body {
    background-color: transparent !important;
    color: var(--text-secondary, #b0b0b0) !important;
    padding: 1.5rem !important;
}

/* ============================================
   DASHBOARD LIST GROUPS - COURSE ITEMS
   ============================================ */

/* List group container */
.list-group {
    background-color: transparent !important;
}

/* Individual list items - course items */
.list-group-item {
    background-color: var(--bg-card, #1a1a1a) !important;
    border: none !important;
    border-bottom: 1px solid var(--border-divider, #2d2d2d) !important;
    color: var(--text-primary, #e8e8e8) !important;
    padding: 1rem 1.5rem !important;
    transition: all var(--transition-base, 0.2s ease) !important;
}

.list-group-item:last-child {
    border-bottom: none !important;
}

.list-group-item:hover {
    background-color: var(--bg-hover, #2d2d2d) !important;
    transform: translateX(2px) !important;
}

/* List group fit (no padding) */
.list-group-fit .list-group-item {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
}

/* Media elements in list items */
.list-group-item .media {
    align-items: center;
}

.list-group-item .media-body {
    color: var(--text-primary, #e8e8e8) !important;
}

/* ============================================
   DASHBOARD STATISTICS - RAPPORT CARD
   ============================================ */

/* Statistics rows */
.list-group-item.stat-row,
.list-group-item[class*="stat"],
.card .list-group .list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    cursor: default !important;
}

/* Stat labels (left side) */
.list-group-item strong,
.list-group-item .stat-label {
    color: var(--text-secondary, #b0b0b0) !important;
    font-size: 0.9375rem !important;
    font-weight: 500 !important;
    user-select: none !important;
}

/* Stat values (right side) */
.list-group-item .badge,
.list-group-item .stat-value,
.list-group-item span:last-child {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    user-select: none !important;
}

/* Colored stat values */
.badge-success,
.stat-value.success,
.list-group-item .badge.badge-success {
    background-color: transparent !important;
    color: var(--accent-green, #10b981) !important;
}

.badge-danger,
.stat-value.danger,
.list-group-item .badge.badge-danger {
    background-color: transparent !important;
    color: var(--accent-red, #ef4444) !important;
}

.badge-warning,
.stat-value.warning,
.list-group-item .badge.badge-warning {
    background-color: transparent !important;
    color: var(--accent-orange, #E77D01) !important;
}

.badge-info,
.stat-value.info,
.list-group-item .badge.badge-info {
    background-color: transparent !important;
    color: var(--accent-blue, #3b82f6) !important;
}

/* Make rapport card non-selectable */
.card:has(.card-title:contains("Rapport")),
.card .list-group {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* ============================================
   BUTTONS - MODERN ORANGE
   ============================================ */

/* Primary buttons with orange */
.btn-primary,
.btn.btn-primary,
button.btn-primary,
a.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange, #E77D01) 0%, var(--accent-orange, #E77D01) 100%) !important;
    border: none !important;
    border-radius: var(--radius-md, 6px) !important;
    color: #ffffff !important;
    font-size: 0.9375rem !important;
    font-weight: 500 !important;
    padding: 0.625rem 1.25rem !important;
    transition: all var(--transition-base, 0.2s ease) !important;
    box-shadow: 0 2px 6px rgba(231, 125, 1, 0.25) !important;
    cursor: pointer !important;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Hover state */
.btn-primary:hover,
.btn.btn-primary:hover,
button.btn-primary:hover,
a.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-orange-hover, #E77D01) 0%, var(--accent-orange-hover, #E77D01) 100%) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(231, 125, 1, 0.35) !important;
    color: #ffffff !important;
}

/* Active/pressed state */
.btn-primary:active,
.btn.btn-primary:active,
button.btn-primary:active,
a.btn-primary:active {
    background: var(--accent-orange-active, #e66a2d) !important;
    transform: translateY(0) !important;
    box-shadow: 0 1px 3px rgba(231, 125, 1, 0.2) !important;
}

/* Focus state */
.btn-primary:focus,
.btn.btn-primary:focus {
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(231, 125, 1, 0.25) !important;
}

/* Small buttons */
.btn-sm.btn-primary {
    font-size: 0.875rem !important;
    padding: 0.5rem 1rem !important;
}

/* ============================================
   MEDIA COMPONENTS - ALIGN & SPACING
   ============================================ */

.media {
    display: flex;
    align-items: flex-start;
}

.media-body {
    flex: 1;
    color: var(--text-primary, #e8e8e8) !important;
}

.media-right {
    margin-left: auto;
    padding-left: 1rem;
}

/* ============================================
   DASHBOARD SPECIFIC OVERRIDES
   ============================================ */

/* Ensure no white backgrounds anywhere */
.row .col-lg-7 .card,
.row .col-lg-5 .card,
.dashboard .card,
[class*="dashboard"] .card {
    background-color: var(--bg-card, #1e1e1e) !important;
}

/* Course list specific styling */
.card .list-group-item a {
    color: var(--text-primary, #e8e8e8) !important;
    text-decoration: none !important;
    transition: color var(--transition-fast, 0.15s ease);
}

.card .list-group-item a:hover {
    color: var(--accent-orange, #E77D01) !important;
}

/* Card spacing */
.card + .card {
    margin-top: 1.5rem;
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        padding: 1.25rem !important;
    }
    
    .card-body {
        padding: 1.25rem !important;
    }
}

@media (max-width: 767px) {
    .card-title {
        font-size: 1.125rem !important;
    }
    
    .card-subtitle {
        font-size: 0.6875rem !important;
    }
    
    .list-group-item {
        padding: 0.875rem 1.25rem !important;
    }
}

/* ============================================
   ACCESSIBILITY & UX IMPROVEMENTS
   ============================================ */

/* Smooth scrolling for card content */
.card {
    scroll-behavior: smooth;
}

/* Focus visible for keyboard navigation */
.card:focus-visible {
    outline: 2px solid var(--accent-orange, #E77D01);
    outline-offset: 2px;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .card,
    .list-group-item,
    .btn-primary {
        transition: none !important;
    }
}

/* ========================================
   MES COURS PAGE - MODERN DARK THEME
   Horizontal Course Cards Layout
   ======================================== */

/* Page Container */
.mes-cours-page,
.course-page-container {
    background-color: var(--bg-primary, #1a1a1a) !important;
    min-height: 100vh;
    padding: 2.5rem 1.25rem;
}

/* Page Header */
.page-header {
    max-width: 1000px;
    margin: 0 auto 2rem auto;
}

.page-title {
    color: var(--text-primary, #e8e8e8) !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    margin-bottom: 0.5rem !important;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-tertiary, #9e9e9e) !important;
    font-size: 1rem !important;
    margin: 0 !important;
}

/* Course List Container */
.course-list,
.card-columns {
    max-width: 1000px !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    column-count: 1 !important; /* Override Bootstrap card-columns */
}

/* Individual Course Card - HORIZONTAL LAYOUT */
.course-list .card,
.card-columns .card {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    
    background-color: var(--bg-card, #242424) !important;
    border: 1px solid var(--border-subtle, #3a3a3a) !important;
    border-radius: var(--radius-lg, 8px) !important;
    padding: 1.25rem 1.5rem !important;
    margin-bottom: 0 !important;
    
    transition: all var(--transition-base, 0.2s ease) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2) !important;
    
    /* Override Bootstrap card-columns behavior */
    page-break-inside: auto !important;
    break-inside: auto !important;
    column-span: none !important;
    width: 100% !important;
}

.course-list .card:hover,
.card-columns .card:hover {
    background-color: var(--bg-elevated, #2a2a2a) !important;
    border-color: var(--border-secondary, #404040) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}

/* Course Card Header - Left Side Info */
.course-list .card-header,
.card-columns .card-header {
    flex: 1 !important;
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Media Container */
.course-list .media,
.card-columns .media {
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
}

/* Course Thumbnail/Image */
.course-list .media-left,
.card-columns .media-left {
    flex-shrink: 0 !important;
}

.course-list .media-left img,
.card-columns .media-left img {
    width: 60px !important;
    height: 60px !important;
    border-radius: var(--radius-md, 6px) !important;
    object-fit: cover !important;
    background-color: var(--bg-elevated, #2d2d2d) !important;
    transition: transform var(--transition-base, 0.2s ease) !important;
}

.course-list .card:hover .media-left img,
.card-columns .card:hover .media-left img {
    transform: scale(1.05) !important;
}

/* Course Info - Title */
.course-list .media-body,
.card-columns .media-body {
    flex: 1 !important;
}

.course-list .card-title,
.card-columns .card-title {
    color: var(--text-primary, #e8e8e8) !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
    line-height: 1.4 !important;
}

.course-list .card-title a,
.card-columns .card-title a {
    color: var(--text-primary, #e8e8e8) !important;
    text-decoration: none !important;
    transition: color var(--transition-fast, 0.15s ease) !important;
}

.course-list .card-title a:hover,
.card-columns .card-title a:hover {
    color: #E77D01 !important;
}

/* Course Card Footer - Right Side Button */
.course-list .card-footer,
.card-columns .card-footer {
    flex-shrink: 0 !important;
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin-left: 1.25rem !important;
}

/* "Continuer" Button - Modern Orange */
.course-list .btn-primary,
.card-columns .btn-primary,
.btn-continuer {
    /* Colors */
    background: linear-gradient(135deg, #E77D01 0%, #E77D01 100%) !important;
    color: #ffffff !important;
    border: none !important;
    
    /* Layout */
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.625rem 1.5rem !important;
    
    /* Styling */
    border-radius: var(--radius-md, 6px) !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    
    /* Effects */
    cursor: pointer !important;
    transition: all var(--transition-base, 0.2s ease) !important;
    box-shadow: 0 2px 8px rgba(255, 136, 0, 0.25) !important;
}

.course-list .btn-primary:hover,
.card-columns .btn-primary:hover,
.btn-continuer:hover {
    background: linear-gradient(135deg, #E77D01 0%, #E77D01 100%) !important;
    color: #ffffff !important;
    transform: translateX(4px) !important;
    box-shadow: 0 4px 12px rgba(255, 136, 0, 0.35) !important;
}

.course-list .btn-primary:active,
.card-columns .btn-primary:active,
.btn-continuer:active {
    background: #e67a00 !important;
    transform: translateX(2px) !important;
    box-shadow: 0 1px 4px rgba(255, 136, 0, 0.2) !important;
}

/* Button Icon */
.course-list .btn-primary .material-icons,
.card-columns .btn-primary .material-icons {
    font-size: 1.125rem !important;
    transition: transform var(--transition-base, 0.2s ease) !important;
}

.course-list .btn-primary:hover .material-icons,
.card-columns .btn-primary:hover .material-icons {
    transform: translateX(4px) !important;
}

/* Empty State (No Courses) */
.empty-state {
    text-align: center !important;
    padding: 3.75rem 1.25rem !important;
    color: var(--text-tertiary, #9e9e9e) !important;
    max-width: 1000px !important;
    margin: 0 auto !important;
}

.empty-state h3 {
    color: var(--text-secondary, #b0b0b0) !important;
    font-size: 1.5rem !important;
    margin-bottom: 1rem !important;
}

.empty-state p {
    color: var(--text-muted, #7a7a7a) !important;
    font-size: 1rem !important;
}

/* ========================================
   ULTRA-MODERN NAVBAR - 2025 PREMIUM DESIGN
   Glassmorphism, Animations, Premium Feel
   ======================================== */

/* Force navbar to stay above ALL elements */
.navbar-ultra-modern,
nav.navbar-ultra-modern,
#navbarUltra {
    z-index: 999999 !important;
    pointer-events: auto !important;
}

/* Force all child elements to be clickable */
.navbar-ultra-modern *,
.navbar-ultra-modern button,
.navbar-ultra-modern a,
.navbar-ultra-modern input {
    pointer-events: auto !important;
}

/* Override any conflicting headers */
.mdk-header,
.mdk-header--fixed,
[data-primary],
.header,
.page-header {
    z-index: 1 !important;
}

/* Ensure dropdowns from navbar are above everything */
.navbar-ultra-modern .dropdown-menu-ultra {
    z-index: 9999999 !important;
}

/* Adjust body for floating navbar */
body {
    padding-top: 88px; /* Height + margin + extra space */
}

@media (max-width: 768px) {
    body {
        padding-top: 76px;
    }
}

/* ========================================
   MAIN NAVBAR - GLASSMORPHISM FLOATING
   ======================================== */

.navbar-ultra-modern {
    position: fixed;
    top: 12px;
    left: 16px;
    right: 16px;
    z-index: 9999 !important;
    
    height: 68px;
    padding: 0 24px;
    
    /* Glassmorphism Effect */
    background: rgba(26, 26, 26, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    
    /* Premium Shadows */
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.5),
        0 8px 32px rgba(0, 0, 0, 0.6),
        0 2px 8px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    
    /* Entrance Animation */
    animation: navbarEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    
    /* Smooth transitions */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Navbar hidden state (scroll down) */
.navbar-ultra-modern.hidden {
    transform: translateY(-120px);
    opacity: 0;
    pointer-events: none;
}

/* Entrance animation keyframes */
@keyframes navbarEntrance {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Disable text selection on navbar */
.navbar-ultra-modern,
.navbar-ultra-modern * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

/* Allow selection in search */
.navbar-ultra-modern .search-input {
    user-select: text;
    -webkit-user-select: text;
}

/* ========================================
   LEFT SECTION - GRADIENT LOGO
   ======================================== */

/* Left group container - Toggle button + Brand */
.navbar-ultra-modern .navbar-left-group {
    display: flex;
    align-items: center;
    gap: 8px; /* Minimal spacing between toggle and brand */
}

/* Toggle button for sidebar */
.navbar-ultra-modern .navbar-toggler {
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    
    color: rgba(255, 255, 255, 0.6);
    
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.navbar-ultra-modern .navbar-toggler:hover {
    background: rgba(45, 45, 45, 0.8);
    border-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

.navbar-ultra-modern .navbar-toggler:active {
    transform: translateY(0) scale(0.98);
}

.navbar-ultra-modern .navbar-toggler .material-icons {
    font-size: 24px;
}

.navbar-brand-ultra {
    font-family: 'Satoshi', 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-decoration: none !important;
    white-space: nowrap;
    margin: 0;
    padding: 0 20px;
    height: 44px;
    position: relative;
    overflow: hidden;
    
    /* Style identique au bouton "Mes cours" */
    background: linear-gradient(135deg, #E77D01 0%, #E77D01 100%);
    border: none;
    border-radius: 12px;
    
    /* Texte blanc */
    color: #ffffff;
    
    /* Affichage flex pour l'icône et le texte */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    
    /* Box shadow identique */
    box-shadow: 
        0 4px 16px rgba(231, 125, 1, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
    
    /* Animations */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

/* Icône dashboard */
.navbar-brand-ultra .material-icons {
    font-size: 18px;
    color: #ffffff;
}

/* Animated shine effect - identique au bouton "Mes cours" */
.navbar-brand-ultra::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.navbar-brand-ultra:hover {
    transform: translateY(-2px) scale(1.02);
    color: #ffffff !important;
    text-decoration: none !important;
    
    /* Box shadow identique au hover de "Mes cours" */
    box-shadow: 
        0 0 0 4px rgba(231, 125, 1, 0.2),
        0 8px 28px rgba(231, 125, 1, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.4);
}

.navbar-brand-ultra:hover::before {
    left: 100%;
}

.navbar-brand-ultra:active {
    transform: translateY(0) scale(0.98);
}

/* Enhanced gradient animation with shimmer effect */
@keyframes gradientShift {
    0% { 
        background-position: 0% center;
    }
    50% { 
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}

/* ========================================
   CENTER SECTION - PREMIUM SEARCH
   ======================================== */

.navbar-search-ultra {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-wrapper-ultra {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

/* Search submit button - invisible but functional */
.search-submit-ultra {
    position: absolute;
    left: 0;
    top: 0;
    width: 44px;
    height: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-submit-ultra:hover {
    background: transparent;
}

.search-submit-ultra .search-icon-ultra {
    pointer-events: none;
}

.search-input-ultra {
    width: 100%;
    height: 44px;
    padding: 0 48px 0 44px;
    
    /* Glassmorphism */
    background: rgba(30, 30, 30, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    
    color: #e8e8e8;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    
    box-shadow: 
        inset 0 1px 2px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(0, 0, 0, 0.2);
    
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.search-input-ultra::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* Focus state - premium glow */
.search-input-ultra:focus {
    background: rgba(35, 35, 35, 0.8);
    border-color: #E77D01;
    transform: translateY(-2px);
    box-shadow: 
        0 0 0 3px rgba(231, 125, 1, 0.15),
        0 8px 24px rgba(231, 125, 1, 0.2),
        inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Search icon */
.search-icon-ultra {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.4);
    font-size: 20px;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.search-input-ultra:focus ~ .search-submit-ultra .search-icon-ultra,
.search-submit-ultra:hover .search-icon-ultra {
    color: #E77D01;
    transform: translateY(-50%) scale(1.1);
}

/* Keyboard shortcut badge */
.search-kbd-ultra {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.search-input-ultra:focus ~ .search-kbd-ultra {
    opacity: 0;
}

/* ========================================
   RIGHT SECTION - PREMIUM ACTIONS
   ======================================== */

.navbar-actions-ultra {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Icon button base */
.icon-btn-ultra {
    position: relative;
    width: 44px;
    height: 44px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    
    color: rgba(255, 255, 255, 0.6);
    font-size: 20px;
    
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
    
    /* Force no underline or border-bottom */
    text-decoration: none !important;
    border-bottom: none !important;
}

.icon-btn-ultra:hover {
    background: rgba(45, 45, 45, 0.8);
    border-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    text-decoration: none !important;
    border-bottom: none !important;
}

.icon-btn-ultra:active {
    transform: translateY(0) scale(0.98);
}

/* Remove underline from material icons inside icon buttons */
.icon-btn-ultra .material-icons {
    text-decoration: none !important;
}

/* Administration button - Fix underline only, no color changes */
.admin-btn-ultra,
.admin-btn-ultra:link,
.admin-btn-ultra:visited,
.admin-btn-ultra:hover,
.admin-btn-ultra:active,
.admin-btn-ultra:focus {
    text-decoration: none !important;
    outline: none !important;
    border-bottom: none !important;
}

.admin-btn-ultra .material-icons {
    text-decoration: none !important;
}

.admin-btn-ultra:hover .material-icons {
    text-decoration: none !important;
}

/* Favoris button - same style as admin */
.favoris-btn-ultra,
.favoris-btn-ultra:link,
.favoris-btn-ultra:visited,
.favoris-btn-ultra:hover,
.favoris-btn-ultra:active,
.favoris-btn-ultra:focus {
    text-decoration: none !important;
    outline: none !important;
    border-bottom: none !important;
}

.favoris-btn-ultra .material-icons {
    text-decoration: none !important;
    color: #fbbf24;
}

.favoris-btn-ultra:hover .material-icons {
    text-decoration: none !important;
    color: #f59e0b;
}

/* Notification badge */
.notification-badge-ultra {
    position: absolute;
    top: -4px;
    right: -4px;
    
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: 2px solid rgba(10, 10, 10, 0.9);
    border-radius: 10px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    
    /* Pulse animation */
    animation: badgePulse 2s ease-in-out infinite;
    
    box-shadow: 
        0 2px 8px rgba(239, 68, 68, 0.6),
        0 0 0 4px rgba(239, 68, 68, 0.2);
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 
            0 2px 8px rgba(239, 68, 68, 0.6),
            0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 
            0 2px 12px rgba(239, 68, 68, 0.8),
            0 0 0 6px rgba(239, 68, 68, 0);
    }
}

/* Profile avatar */
.profile-avatar-ultra {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
    
    border: 2px solid rgba(255, 255, 255, 0.06);
    
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

.profile-avatar-ultra:hover {
    border-color: #E77D01;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 0 0 3px rgba(231, 125, 1, 0.3),
        0 8px 20px rgba(0, 0, 0, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
    animation: avatarGlow 2s ease-in-out infinite;
}

@keyframes avatarGlow {
    0%, 100% {
        box-shadow: 
            0 0 0 3px rgba(231, 125, 1, 0.3),
            0 8px 20px rgba(0, 0, 0, 0.5);
    }
    50% {
        box-shadow: 
            0 0 0 3px rgba(231, 125, 1, 0.6),
            0 8px 24px rgba(231, 125, 1, 0.3);
    }
}

/* Default profile icon */
.profile-icon-default-ultra {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    
    background: linear-gradient(135deg, #E77D01, #E77D01);
    border: 2px solid rgba(255, 255, 255, 0.06);
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    box-shadow: 
        0 4px 12px rgba(231, 125, 1, 0.3),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

.profile-icon-default-ultra:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 0 0 3px rgba(231, 125, 1, 0.3),
        0 8px 20px rgba(231, 125, 1, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

/* "Mes cours" premium button */
.btn-mes-cours-ultra {
    position: relative;
    padding: 0 24px;
    height: 44px;
    
    background: linear-gradient(135deg, #E77D01 0%, #E77D01 100%);
    border: none;
    border-radius: 12px;
    
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    
    display: inline-flex;
    align-items: center;
    gap: 8px;
    
    cursor: pointer;
    text-decoration: none !important;
    white-space: nowrap;
    overflow: hidden;
    
    box-shadow: 
        0 4px 16px rgba(231, 125, 1, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
    
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animated shine effect */
.btn-mes-cours-ultra::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-mes-cours-ultra:hover {
    transform: translateY(-2px) scale(1.02);
    color: #ffffff;
    text-decoration: none !important;
    box-shadow: 
        0 0 0 4px rgba(231, 125, 1, 0.2),
        0 8px 28px rgba(231, 125, 1, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.4);
}

.btn-mes-cours-ultra:hover::before {
    left: 100%;
}

.btn-mes-cours-ultra:active {
    transform: translateY(0) scale(0.98);
}

.btn-mes-cours-ultra .material-icons {
    font-size: 18px;
}

/* ========================================
   PREMIUM DROPDOWNS - GLASSMORPHISM
   ======================================== */

.dropdown-ultra {
    position: relative;
}

.dropdown-menu-ultra {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    
    min-width: 280px;
    padding: 8px;
    
    /* Glassmorphism */
    background: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.5),
        0 16px 48px rgba(0, 0, 0, 0.8),
        0 8px 24px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.96);
    transform-origin: top right;
    
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10000 !important;
    pointer-events: auto !important;
}

.dropdown-menu-ultra.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Dropdown arrow */
.dropdown-menu-ultra::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    
    width: 12px;
    height: 12px;
    
    background: rgba(20, 20, 20, 0.9);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    
    transform: rotate(45deg);
    
    backdrop-filter: blur(24px);
}

/* Dropdown items */
.dropdown-item-ultra {
    display: flex;
    align-items: center;
    gap: 12px;
    
    padding: 12px 16px;
    
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none !important;
    
    border-radius: 10px;
    
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.dropdown-item-ultra:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transform: translateX(4px);
    text-decoration: none !important;
}

.dropdown-item-ultra .material-icons {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
}

.dropdown-item-ultra:hover .material-icons {
    color: #E77D01;
}

/* Remove underline on all child elements */
.dropdown-item-ultra span {
    text-decoration: none !important;
}

.dropdown-item-ultra:hover span {
    text-decoration: none !important;
}

/* Danger item (logout) */
.dropdown-item-ultra.danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.dropdown-item-ultra.danger:hover .material-icons {
    color: #ef4444;
}

/* Divider */
.dropdown-divider-ultra {
    height: 1px;
    margin: 8px 0;
    background: rgba(255, 255, 255, 0.08);
}

/* Notification dropdown specific */
.notification-dropdown-ultra {
    min-width: 360px;
    max-height: 480px;
    overflow-y: auto;
}

.notification-item-ultra {
    padding: 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.notification-item-ultra:hover {
    background: rgba(255, 255, 255, 0.06);
}

.notification-item-ultra.unread {
    background: rgba(231, 125, 1, 0.08);
    border-left: 3px solid #E77D01;
}

.notification-header-ultra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.notification-title-ultra {
    font-size: 14px;
    font-weight: 600;
    color: #e8e8e8;
}

.notification-time-ultra {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.notification-message-ultra {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}

.notification-footer-ultra {
    padding: 12px 16px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 8px;
}

.notification-footer-ultra a {
    color: #E77D01;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.notification-footer-ultra a:hover {
    color: #E77D01;
}

/* Custom scrollbar for dropdowns */
.notification-dropdown-ultra::-webkit-scrollbar {
    width: 6px;
}

.notification-dropdown-ultra::-webkit-scrollbar-track {
    background: transparent;
}

.notification-dropdown-ultra::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.notification-dropdown-ultra::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .navbar-ultra-modern {
        top: 8px;
        left: 12px;
        right: 12px;
        height: 60px;
        padding: 0 16px;
        gap: 12px;
    }
    
    .navbar-brand-ultra {
        font-size: 18px;
    }
    
    /* Sur mobile, cacher le texte et garder uniquement l'icône */
    .navbar-brand-ultra span:not(.material-icons) {
        display: none;
    }
    
    .navbar-brand-ultra {
        padding: 0;
        width: 44px;
        height: 44px;
        justify-content: center;
        gap: 0;
    }
    
    .navbar-search-ultra {
        flex: 1;
        max-width: none;
    }
    
    .search-input-ultra {
        height: 40px;
        font-size: 13px;
    }
    
    .navbar-actions-ultra {
        gap: 8px;
    }
    
    .icon-btn-ultra,
    .profile-avatar-ultra,
    .profile-icon-default-ultra {
        width: 40px;
        height: 40px;
    }
    
    .btn-mes-cours-ultra {
        padding: 0 18px;
        height: 40px;
        font-size: 13px;
    }
    
    .search-kbd-ultra {
        display: none;
    }
}

@media (max-width: 480px) {
    .navbar-ultra-modern {
        gap: 8px;
        padding: 0 12px;
    }
    
    /* Sur très petit écran, garder uniquement l'icône */
    .navbar-brand-ultra span:not(.material-icons) {
        display: none;
    }
    
    .navbar-brand-ultra {
        padding: 0;
        width: 40px;
        height: 40px;
        justify-content: center;
        gap: 0;
    }
    
    /* Collapse search to icon */
    .navbar-search-ultra {
        display: none;
    }
    
    /* Show icon only for button */
    .btn-mes-cours-ultra span {
        display: none;
    }
    
    .btn-mes-cours-ultra {
        padding: 0;
        width: 40px;
        justify-content: center;
    }
    
    .icon-btn-ultra,
    .profile-avatar-ultra,
    .profile-icon-default-ultra,
    .btn-mes-cours-ultra {
        width: 36px;
        height: 36px;
    }
    
    .notification-badge-ultra {
        min-width: 16px;
        height: 16px;
        font-size: 9px;
    }
}

/* Very small screens */
@media (max-width: 380px) {
    .navbar-actions-ultra {
        gap: 4px;
    }
}