/* Slide presentation styles */
.slides-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
}

.slides {
    position: relative;
    width: 100%;
}

/* Individual slide styling */
.slide {
    display: none;
    min-height: 100vh;
    padding: 4rem;
    box-sizing: border-box;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    scroll-snap-align: start;
}

.slide.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Title slide special styling */
.slide.title-slide {
    text-align: center;
}

.slide.title-slide h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #d0d0d0;
    padding-bottom: 1.2rem;
}

.slide.title-slide h2 {
    font-size: 1.8rem;
    color: #666;
    font-weight: normal;
    margin-bottom: 2rem;
    border-bottom: none;
    padding-bottom: 0;
}

.slide.title-slide .author {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Slide content wrapper */
.slide-content {
    width: 100%;
}

/* Speaker notes */
.slide-notes {
    display: none;
    margin-top: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
}

.notes-header {
    font-weight: bold;
    color: #856404;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.slide-notes p {
    font-size: 1rem;
    line-height: 1.6;
    color: #666;
}

.slide-notes ul, .slide-notes ol {
    font-size: 1rem;
    color: #666;
}

/* Show notes in document view */
.slides-container.doc-view .slide-notes {
    display: block;
}

/* Regular slide content */
.slide h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    border-bottom: 3px solid #333;
    padding-bottom: 1rem;
}

.slide:not(.title-slide) h2 {
    font-size: 2.4rem;
    margin: 2rem 0 2.5rem 0;
    color: #444;
    border-bottom: 2px solid #d0d0d0;
    padding-bottom: 1.2rem;
}

.slide h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem 0;
    color: #555;
}

/* When h3 immediately follows h2, style it as a subtitle */
.slide:not(.title-slide) h2 + h3 {
    font-size: 1.8rem;
    color: #666;
    font-weight: normal;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: none;
    padding-bottom: 0;
    text-align: right;
}

.slide p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.slide ul, .slide ol {
    font-size: 1.2rem;
    line-height: 2;
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.slide li {
    margin-bottom: 0.5rem;
}

.slide code {
    background: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 1.1rem;
}

.slide pre {
    background: #f4f4f4;
    padding: 1.5rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.slide pre code {
    background: none;
    padding: 0;
    font-size: 1rem;
}

/* Mermaid diagram styling in slides */
.slide .mermaid {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    margin: 2rem 0;
}

.slide .mermaid svg {
    max-width: 100%;
    height: auto;
}

.slide blockquote {
    border-left: 4px solid #0066cc;
    padding-left: 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: #555;
}

/* Navigation controls */
.slide-nav {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.slide-nav button {
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
    background: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.slide-nav button:hover:not(:disabled) {
    background: #0052a3;
}

.slide-nav button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#slide-counter {
    font-size: 1rem;
    font-weight: bold;
    min-width: 60px;
    text-align: center;
}

/* Document view mode */
.slides-container.doc-view .slides {
    display: block;
}

.slides-container.doc-view .slide {
    display: block !important;
    min-height: auto;
    padding: 3rem 4rem;
    border-bottom: 2px solid #eee;
}

.slides-container.doc-view .slide:last-child {
    border-bottom: none;
}

.slides-container.doc-view .slide-nav button:not(#toggle-view) {
    display: none;
}

.slides-container.doc-view #slide-counter {
    display: none;
}

/* Print styles */
@media print {
    .slide {
        display: block !important;
        page-break-after: always;
        min-height: auto;
        padding: 2rem;
    }
    
    .slide-nav {
        display: none;
    }
    
    .slide h1 {
        font-size: 2rem;
    }
    
    .slide.title-slide h1 {
        font-size: 2.5rem;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .slide {
        padding: 2rem;
    }
    
    .slide h1 {
        font-size: 2rem;
    }
    
    .slide.title-slide h1 {
        font-size: 2.5rem;
    }
    
    .slide-nav {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem;
    }
    
    .slide-nav button {
        padding: 0.4rem 0.8rem;
        font-size: 1rem;
    }
}