/* HoloCodec Presentation Styles */
:root {
    --primary-color: #00d9ff;
    --secondary-color: #ff006e;
    --accent-color: #ffbe0b;
    --dark-bg: #0a0e27;
    --code-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.slide-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

h2 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

p, li {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

ul {
    margin-left: 2rem;
}

code {
    font-family: 'Fira Code', 'Courier New', monospace;
    background: var(--code-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--primary-color);
    font-size: 0.95em;
}

pre {
    background: var(--code-bg);
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1rem 0;
}

pre code {
    background: none;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.accent {
    color: var(--accent-color);
    font-weight: 600;
}

.secondary {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Navigation */
.slide-nav {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 1000;
}

.nav-btn {
    background: rgba(0, 217, 255, 0.2);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.4);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slide-counter {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    color: var(--text-secondary);
    font-size: 1rem;
    z-index: 1000;
}

/* Feature boxes */
.feature-box {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    backdrop-filter: blur(10px);
}

.stat-box {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 190, 11, 0.1) 100%);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Badges */
.badge {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    p, li { font-size: 1rem; }
}

@media (max-width: 768px) {
    .slide-container {
        padding: 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.1rem; }
    p, li { font-size: 0.95rem; }
    
    .slide-nav {
        bottom: 1rem;
        right: 1rem;
        gap: 0.5rem;
    }
    
    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .slide-counter {
        bottom: 1rem;
        left: 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    pre code { font-size: 0.75rem; }
}