/* Shared Slide Framework Styles */
:root {
    --primary: #D97706;
    --primary-light: #FBBF24;
    --bg-dark: #0F172A;
    --bg-card: #1E293B;
    --bg-code: #0D1117;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-green: #10B981;
    --accent-blue: #3B82F6;
    --accent-purple: #8B5CF6;
    --accent-pink: #EC4899;
    --border: #334155;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* Side Navigation Dock */
.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 280px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: 1.5rem 0;
}

.side-nav.open {
    transform: translateX(0);
}

.side-nav-header {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

.side-nav-header h2 {
    font-size: 1rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-section {
    padding: 0.5rem 0;
}

.nav-section-title {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.75rem 1.5rem 0.5rem;
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
    color: var(--text-secondary);
    gap: 0.75rem;
}

.nav-item:hover {
    background: rgba(217, 119, 6, 0.1);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(217, 119, 6, 0.15);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.nav-item-number {
    font-size: 0.7rem;
    color: var(--text-muted);
    min-width: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.nav-toggle {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 1001;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.nav-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
}

/* Main Slide Container */
.slides-container {
    height: calc(100vh - 60px);
    overflow: hidden;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 3rem;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    overflow-y: auto;
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.slide.prev {
    transform: translateX(-100%);
}

.slide-content {
    max-width: 1000px;
    width: 100%;
    max-height: 100%;
}

/* Slide Typography */
.slide-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.badge-orange { background: rgba(217, 119, 6, 0.2); color: var(--primary-light); }
.badge-green { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.badge-blue { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.badge-purple { background: rgba(139, 92, 246, 0.2); color: var(--accent-purple); }
.badge-pink { background: rgba(236, 72, 153, 0.2); color: var(--accent-pink); }

.slide h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.slide h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.slide h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.slide p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.slide ul {
    list-style: none;
    margin: 1.5rem 0;
}

.slide li {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.slide li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Code Blocks */
.code-block {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    margin: 1rem 0;
    overflow-x: auto;
    white-space: pre;
}

.code-inline {
    background: var(--bg-code);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
    color: var(--primary-light);
}

/* Feature Cards Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.feature-card h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
    color: var(--text-muted);
}

/* Keyboard Shortcut Style */
.kbd {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.25rem 0.6rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: 0 2px 0 var(--border);
}

/* Shortcuts Grid */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-radius: 8px;
}

.shortcut-item .keys {
    flex-shrink: 0;
}

.shortcut-item .desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Progress Bar */
.progress-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    z-index: 100;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-dark);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 1.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 120px;
}

.slide-counter {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    color: var(--text-primary);
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    gap: 0.5rem;
}

.nav-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.nav-btn:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
}

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

.nav-btn svg {
    width: 18px;
    height: 18px;
}

/* Title Slide Special */
.title-slide .slide-content {
    text-align: center;
}

.title-slide h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.title-slide .subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.title-slide .author {
    font-size: 1rem;
    color: var(--text-muted);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border: 1px solid rgba(217, 119, 6, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.highlight-box p {
    color: var(--text-primary);
    margin-bottom: 0;
}

/* Quote style */
.quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-secondary);
    border-left: 4px solid var(--primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

/* Table styles */
.slide table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.slide th, .slide td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border);
}

.slide th {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
}

.slide td {
    color: var(--text-secondary);
}

.slide tr:nth-child(even) td {
    background: rgba(30, 41, 59, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .slide {
        padding: 1.5rem;
    }
    .slide h1 {
        font-size: 2rem;
    }
    .slide h2 {
        font-size: 1.5rem;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
    .side-nav {
        width: 100%;
    }
}

/* Keyboard hints */
.keyboard-hint {
    position: fixed;
    bottom: 80px;
    right: 2rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
}

.keyboard-hint span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}