/* Hide footer */
.md-footer {
    display: none;
}
footer {
    display: none;
}

/* Custom color theme - #262262 */
:root {
    --md-primary-fg-color: #262262;
    --md-primary-fg-color--light: #3a3a7a;
    --md-primary-fg-color--dark: #1a1a4a;
    --md-accent-fg-color: #262262;
    --md-accent-fg-color--transparent: rgba(38, 34, 98, 0.1);
}

/* Dark mode custom colors */
[data-md-color-scheme="slate"] {
    --md-primary-fg-color: #262262;
    --md-primary-fg-color--light: #3a3a7a;
    --md-primary-fg-color--dark: #1a1a4a;
    --md-accent-fg-color: #262262;
    --md-accent-fg-color--transparent: rgba(38, 34, 98, 0.1);
}

/* 2-column grid layout for index page */
.training-grid {
    display: grid;
    gap: 1.25rem;
    margin: 2rem 0;
}

.training-card {
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    padding: 1.25rem;
    transition: all 0.2s ease;
    position: relative;
    min-height: 180px;
    display: flex;
    flex-direction: column;
}

.training-card:hover {
    box-shadow: 0 2px 8px rgba(38, 34, 98, 0.08);
    border-color: var(--md-primary-fg-color--light);
}

.training-card h3 {
    color: var(--md-primary-fg-color);
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
}

.training-card .speaker {
    color: var(--md-default-fg-color--light);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.training-card .description {
    color: var(--md-default-fg-color--light);
    margin-bottom: 1rem;
    line-height: 1.4;
    font-size: 0.9rem;
    flex-grow: 1;
}

.training-card .card-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.btn-primary {
    background: var(--md-primary-fg-color);
    color: white !important;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    text-decoration: none !important;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--md-primary-fg-color--dark);
    color: white !important;
    text-decoration: none !important;
}

.btn-secondary {
    background: transparent;
    color: var(--md-primary-fg-color) !important;
    border: 1px solid var(--md-primary-fg-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none !important;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: var(--md-primary-fg-color);
    color: white !important;
    text-decoration: none !important;
}

/* Enhanced TOC styling */
.md-nav--secondary {
    border-left: 2px solid var(--md-primary-fg-color--transparent);
}

.md-nav--secondary .md-nav__title {
    font-weight: 600;
    color: var(--md-primary-fg-color);
    padding-left: 1rem;
}

.md-nav--secondary .md-nav__item {
    padding-left: 0.5rem;
}

.md-nav--secondary .md-nav__link {
    color: var(--md-default-fg-color--light);
    transition: color 0.2s ease;
}

.md-nav--secondary .md-nav__link:hover {
    color: var(--md-primary-fg-color);
}

.md-nav--secondary .md-nav__link--active {
    color: var(--md-primary-fg-color);
    font-weight: 500;
}

/* Page navigation */
.page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 3rem 0 2rem;
    padding: 1.5rem;
    background: var(--md-code-bg-color);
    border-radius: 12px;
    border-left: 4px solid var(--md-primary-fg-color);
}

.page-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-nav .nav-item.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Speaker header */
.speaker-header {
    background: linear-gradient(135deg, var(--md-primary-fg-color--transparent), rgba(255, 255, 255, 0.1));
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--md-primary-fg-color);
}

.speaker-header .speaker-name {
    color: var(--md-primary-fg-color);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.speaker-header .speaker-name::before {
    font-size: 1.2rem;
}

/* Progress indicator */
.progress-indicator {
    background: var(--md-code-bg-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    text-align: center;
}

.progress-bar {
    background: var(--md-default-fg-color--lightest);
    height: 8px;
    border-radius: 4px;
    margin: 1rem 0;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, var(--md-primary-fg-color), var(--md-primary-fg-color--light));
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Welcome section styling */
.welcome-section {
    background: var(--md-code-bg-color);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
    text-align: center;
    border-left: 4px solid var(--md-primary-fg-color);
}

.welcome-section h1 {
    color: var(--md-primary-fg-color);
    margin-bottom: 0.5rem;
    font-size: 2rem;
    font-weight: 600;
}

.welcome-section .subtitle {
    color: var(--md-default-fg-color--light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Responsive design */
@media (max-width: 1200px) {
    .training-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .training-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .page-nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .training-card {
        min-height: auto;
    }
}

/* Ensure TOC is always visible on larger screens */
@media (min-width: 76.25em) {
    .md-nav--secondary {
        position: sticky;
        top: 1rem;
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
    }
}

/* Custom scrollbar for TOC */
.md-nav--secondary::-webkit-scrollbar {
    width: 4px;
}

.md-nav--secondary::-webkit-scrollbar-track {
    background: var(--md-default-fg-color--lightest);
}

.md-nav--secondary::-webkit-scrollbar-thumb {
    background: var(--md-primary-fg-color--transparent);
    border-radius: 2px;
}

.md-nav--secondary::-webkit-scrollbar-thumb:hover {
    background: var(--md-primary-fg-color);
}

.external-link {
  color: #e65100;
  background-color: #fffde7;
  padding: 2px 6px;
  border-radius: 4px;
  text-decoration: underline;
  border-left: 3px solid #ffeb3b;
}

.external-link:hover {
  background-color: #fff8e1;
  transform: translateY(-1px);
  transition: all 0.2s ease;
}

iframe[src*="youtube"] {
  border: none;
}