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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    color: #333;
    overflow: hidden;
    height: 100vh;
}

/* Slide Navigation */
.slide-nav {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.nav-btn {
    background: #667eea;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: #5a6fd8;
    transform: scale(1.1);
}

.slide-counter {
    font-weight: 600;
    color: #333;
    min-width: 60px;
    text-align: center;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    z-index: 999;
}

.progress {
    height: 100%;
    background: #fff;
    width: 20%;
    transition: width 0.3s ease;
}

/* Presentation Container */
.presentation {
    position: relative;
    width: 100%;
    height: 100vh;
}

/* Slide Styles */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s ease;
    padding: 60px 40px 40px 40px;
    pointer-events: none;
}

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

.slide-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    color: white;
}

/* Title Slide */
.slide-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInDown 0.8s ease-out;
}

.slide-subtitle {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.slide-presenter {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.slide-date {
    font-size: 1.2rem;
    opacity: 0.8;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.title-time-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

/* Content Slides */
.slide-header {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInDown 0.6s ease-out;
}

/* Reduce header margin for Q&A slide */
#slide-8 .slide-header {
    margin-bottom: 2rem;
}

.slide-lead {
    font-size: 1.8rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

/* Concepts Grid (Slide 3) */
.concepts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.concept-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.concept-card:nth-child(1) {
    animation-delay: 0.1s;
}

.concept-card:nth-child(2) {
    animation-delay: 0.2s;
}

.concept-card:nth-child(3) {
    animation-delay: 0.3s;
}

.concept-card:nth-child(4) {
    animation-delay: 0.4s;
}

.concept-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.concept-number {
    position: absolute;
    top: -15px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.concept-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.concept-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
    color: white;
}

/* Highlights Section */
.slide-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 2.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.highlight-item:nth-child(1) {
    animation-delay: 0.1s;
}

.highlight-item:nth-child(2) {
    animation-delay: 0.2s;
}

.highlight-item:nth-child(3) {
    animation-delay: 0.3s;
}

.highlight-item:hover {
    transform: translateY(-10px);
}

.highlight-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #fff;
}

.highlight-item p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Showcase Section */
.slide-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    text-align: left;
    margin-top: 1.5rem;
}

.showcase-left {
    animation: slideInLeft 0.8s ease-out 0.3s backwards;
}

.showcase-right {
    animation: slideInRight 0.8s ease-out 0.4s backwards;
}

.showcase-left h3,
.showcase-right h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.showcase-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.showcase-list li {
    padding: 0.6rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.15rem;
}

.showcase-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: bold;
    font-size: 1.5rem;
}

.showcase-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.tech-item {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    font-size: 1rem;
    color: white;
    text-align: center;
    font-weight: 500;
}

/* Website Preview / Browser Mockup */
.website-preview {
    margin-bottom: 1.5rem;
}

.browser-mockup {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.browser-bar {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.browser-dots {
    display: flex;
    gap: 0.4rem;
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
}

.browser-dots span:nth-child(1) {
    background: #ff5f56;
}

.browser-dots span:nth-child(2) {
    background: #ffbd2e;
}

.browser-dots span:nth-child(3) {
    background: #27c93f;
}

.browser-url {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.4rem 0.75rem;
    border-radius: 5px;
    color: white;
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.9;
}

.browser-content {
    background: rgba(255, 255, 255, 0.05);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.website-screenshot {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 200px;
}

.preview-placeholder {
    text-align: center;
    padding: 2rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

.preview-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.preview-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.preview-subtext {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Demo Section */
.demo-subtitle {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #fff;
    opacity: 0.9;
    animation: fadeIn 0.6s ease-out 0.2s backwards;
}

.demo-description {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.6s ease-out 0.3s backwards;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.demo-feature {
    background: rgba(255, 255, 255, 0.15);
    padding: 2.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.demo-feature:nth-child(1) {
    animation-delay: 0.4s;
}

.demo-feature:nth-child(2) {
    animation-delay: 0.5s;
}

.demo-feature:nth-child(3) {
    animation-delay: 0.6s;
}

.feature-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.demo-feature:nth-child(1) .feature-icon-large {
    animation-delay: 0s;
}

.demo-feature:nth-child(2) .feature-icon-large {
    animation-delay: 0.5s;
}

.demo-feature:nth-child(3) .feature-icon-large {
    animation-delay: 1s;
}

.demo-feature h4 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #fff;
}

.demo-feature p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Schedule Section */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.session-mini {
    background: rgba(255, 255, 255, 0.15);
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: transform 0.3s ease;
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.session-mini:nth-child(1) { animation-delay: 0.1s; }
.session-mini:nth-child(2) { animation-delay: 0.15s; }
.session-mini:nth-child(3) { animation-delay: 0.2s; }
.session-mini:nth-child(4) { animation-delay: 0.25s; }
.session-mini:nth-child(5) { animation-delay: 0.3s; }
.session-mini:nth-child(6) { animation-delay: 0.35s; }
.session-mini:nth-child(7) { animation-delay: 0.4s; }
.session-mini:nth-child(8) { animation-delay: 0.45s; }
.session-mini:nth-child(9) { animation-delay: 0.5s; }
.session-mini:nth-child(10) { animation-delay: 0.55s; }

.session-mini:hover {
    transform: translateY(-5px);
}

.session-mini.current {
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid #4ade80;
    transform: scale(1.05);
}

.session-mini h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #fff;
    font-weight: 600;
}

.session-mini p {
    font-size: 0.9rem;
    opacity: 0.8;
    color: #fff;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .slide-title {
        font-size: 3rem;
    }

    .slide-header {
        font-size: 2.5rem;
    }

    .slide-highlights,
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .slide-showcase {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .schedule-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Concepts grid to single column on tablets */
    .concepts-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* GitHub features to 2 columns */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        overflow-y: auto;
        overflow-x: hidden;
        height: auto;
        min-height: 100vh;
    }

    .slide {
        padding: 100px 20px 40px 20px;
        position: relative;
        height: auto;
        min-height: 100vh;
        transform: none;
    }

    .slide.active {
        transform: none;
    }

    .slide-content {
        overflow-y: visible;
        max-height: none;
    }

    .slide-title {
        font-size: 2.5rem;
    }

    .slide-header {
        font-size: 2rem;
    }

    .slide-lead {
        font-size: 1.4rem;
    }

    .schedule-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .slide-nav {
        position: fixed;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        right: auto;
        padding: 8px 15px;
        z-index: 1000;
    }

    .nav-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }

    .time-block-inline {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
    }

    /* Sessions grid to single column */
    .sessions-grid {
        grid-template-columns: 1fr;
    }

    /* GitHub features to single column */
    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Flow diagram vertical on mobile */
    .flow-diagram {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }

    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }

    .flow-step {
        min-width: 100%;
    }

    /* Time blocks responsive */
    .schedule-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Browser mockup adjustments */
    .browser-mockup {
        font-size: 0.9rem;
    }

    .browser-url {
        font-size: 0.75rem;
    }

    /* Concept cards adjustments */
    .concept-card {
        padding: 1.5rem;
    }

    .concept-card h3 {
        font-size: 1.3rem;
    }

    .concept-card p {
        font-size: 1rem;
    }

    /* Modal adjustments */
    .modal-content {
        width: 95%;
        max-height: 85vh;
    }

    .modal-header {
        padding: 1.5rem;
    }

    .modal-header h2 {
        font-size: 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    /* GitHub links to single column */
    .github-links {
        grid-template-columns: 1fr;
    }

    /* Increase button touch targets */
    .copy-prompt-btn,
    .tips-btn,
    .view-original-prompt-btn {
        padding: 1rem 1.75rem;
        font-size: 1.1rem;
        min-height: 48px;
    }

    .btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .slide-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .slide-header {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    .slide-subtitle {
        font-size: 1.5rem;
    }

    .slide-presenter {
        font-size: 1.2rem;
    }

    .slide-date {
        font-size: 1rem;
    }

    .schedule-grid {
        grid-template-columns: 1fr;
    }

    .showcase-links {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }

    /* Time blocks single column */
    .schedule-grid-compact {
        grid-template-columns: 1fr;
    }

    /* Smaller font sizes for readability */
    .concept-card h3 {
        font-size: 1.2rem;
    }

    .concept-card p {
        font-size: 0.95rem;
    }

    .demo-feature h4 {
        font-size: 1.3rem;
    }

    .demo-feature p {
        font-size: 1rem;
    }

    /* Session cards adjustments */
    .session-card h5 {
        font-size: 1.1rem;
    }

    .session-card .speaker {
        font-size: 0.9rem;
    }

    .session-card .description {
        font-size: 0.85rem;
    }

    /* Feature cards adjustments */
    .feature-card h4 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.85rem;
    }

    /* Flow adjustments */
    .flow-step {
        padding: 1rem;
    }

    .flow-label {
        font-size: 1rem;
    }

    .flow-icon {
        font-size: 2.5rem;
    }

    /* Prompt box adjustments */
    .prompt-box h3 {
        font-size: 1.5rem;
    }

    .prompt-section h4 {
        font-size: 1.2rem;
    }

    .prompt-section p {
        font-size: 1rem;
    }

    /* Modal for very small screens */
    .modal-header h2 {
        font-size: 1.25rem;
    }

    .tips-section h3 {
        font-size: 1.3rem;
    }

    .example-prompt {
        font-size: 0.8rem;
    }

    /* Navigation improvements */
    .slide-counter {
        font-size: 0.9rem;
    }

    /* Tech grid full width items */
    .tech-grid {
        grid-template-columns: 1fr;
    }

    /* Concept number badge smaller */
    .concept-number {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
        top: -12px;
        right: 15px;
    }
}

/* Copy Prompt Button */
.copy-prompt-btn {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto 1rem auto;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 0.6s ease-out 0.2s backwards;
}

.copy-prompt-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.copy-prompt-btn:active {
    transform: translateY(0);
}

.copy-icon {
    font-size: 1.2rem;
}

/* Prompt Box Styles (Slide 5) */
.prompt-box {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(225deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(315deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        rgba(255, 255, 255, 0.1);
    background-size: 40px 40px;
    background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: left;
    max-height: calc(100vh - 220px);
    overflow-y: auto;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.prompt-box h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.prompt-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.prompt-section h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.prompt-section p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.schedule-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

/* Schedule Table Styles */
.schedule-table {
    width: 100%;
    overflow-x: auto;
    margin-top: 1rem;
}

.schedule-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.schedule-table thead {
    background: rgba(255, 255, 255, 0.2);
}

.schedule-table th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.schedule-table td {
    padding: 0.6rem 0.75rem;
    color: #fff;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.schedule-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Row color coding */
.schedule-table .food-row {
    background: rgba(251, 146, 60, 0.15);
}

.schedule-table .intro-row {
    background: rgba(59, 130, 246, 0.15);
}

.schedule-table .session-row {
    background: rgba(168, 85, 247, 0.15);
}

.schedule-table .break-row {
    background: rgba(156, 163, 175, 0.15);
}

.schedule-table .lunch-row {
    background: rgba(34, 197, 94, 0.15);
}

.schedule-table .plenary-row {
    background: rgba(236, 72, 153, 0.15);
}

.schedule-table .voting-row {
    background: rgba(245, 158, 11, 0.15);
}

.schedule-table .closing-row {
    background: rgba(139, 92, 246, 0.15);
}

.schedule-table .highlight-row {
    background: rgba(52, 211, 153, 0.25);
    border: 1px solid rgba(52, 211, 153, 0.5);
}

.time-block {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.4;
    border-left: 4px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.time-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Morning - Food & Coffee (Warm orange) */
.time-block.morning-food {
    background: rgba(251, 146, 60, 0.25);
    border-left-color: #fb923c;
}

/* Morning - Intro & Ice Breaker (Bright blue) */
.time-block.morning-intro {
    background: rgba(59, 130, 246, 0.25);
    border-left-color: #3b82f6;
}

/* Morning Sessions (Purple) */
.time-block.morning-session {
    background: rgba(168, 85, 247, 0.25);
    border-left-color: #a855f7;
}

/* Lunch (Green) */
.time-block.lunch {
    background: rgba(34, 197, 94, 0.25);
    border-left-color: #22c55e;
}

/* Afternoon Sessions (Pink) */
.time-block.afternoon-session {
    background: rgba(236, 72, 153, 0.25);
    border-left-color: #ec4899;
}

/* Plenary (Gold/Yellow) */
.time-block.afternoon-plenary {
    background: rgba(234, 179, 8, 0.25);
    border-left-color: #eab308;
}

/* Closing Activities (Teal) */
.time-block.afternoon-closing {
    background: rgba(20, 184, 166, 0.25);
    border-left-color: #14b8a6;
}

.sessions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.session-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 1.25rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.session-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.session-card h5 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.session-card .speaker {
    font-size: 0.95rem;
    font-weight: 600;
    color: #4ade80;
    margin-bottom: 0.5rem;
}

.session-card .description {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.4;
}

/* GitHub Pages Styles (Slide 6) */
.github-pages-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-height: calc(100vh - 220px);
    overflow-y: auto;
    padding-right: 1rem;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.github-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.link-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.link-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.link-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #fff;
}

/* GitHub Flow Diagram */
.github-flow {
    margin-bottom: 2rem;
}

.github-flow h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: white;
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    min-width: 120px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.flow-step:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.flow-icon {
    font-size: 3rem;
    animation: float 3s ease-in-out infinite;
}

.flow-step:nth-child(1) .flow-icon {
    animation-delay: 0s;
}

.flow-step:nth-child(3) .flow-icon {
    animation-delay: 0.5s;
}

.flow-step:nth-child(5) .flow-icon {
    animation-delay: 1s;
}

.flow-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    text-align: center;
}

.flow-arrow {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: bold;
    animation: slideRight 2s ease-in-out infinite;
}

@keyframes slideRight {
    0%, 100% {
        transform: translateX(0);
        opacity: 0.7;
    }
    50% {
        transform: translateX(5px);
        opacity: 1;
    }
}

.github-features h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-card p {
    font-size: 0.95rem;
    opacity: 0.85;
    line-height: 1.4;
}

.github-perfect-for {
    text-align: center;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
}

.github-perfect-for p {
    margin: 0;
}

@media (max-width: 1200px) {
    .sessions-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .github-links {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .schedule-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Scrollbar styling for better appearance */
.prompt-box::-webkit-scrollbar,
.github-pages-layout::-webkit-scrollbar {
    width: 8px;
}

.prompt-box::-webkit-scrollbar-track,
.github-pages-layout::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.prompt-box::-webkit-scrollbar-thumb,
.github-pages-layout::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.prompt-box::-webkit-scrollbar-thumb:hover,
.github-pages-layout::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* View Original Prompt Button */
.view-original-prompt-btn {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto 1rem auto;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 0.6s ease-out 0.2s backwards;
}

.view-original-prompt-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.view-original-prompt-btn:active {
    transform: translateY(0);
}

.prompt-icon {
    font-size: 1.2rem;
}

/* Q&A Slide Styles */
.qa-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.qa-section {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease-out;
}

.qa-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    animation: float 3s ease-in-out infinite;
}

.qa-section h3 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: white;
}

.qa-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.suggestion-list {
    list-style: none;
    text-align: left;
    display: inline-block;
    margin: 0 auto;
}

.suggestion-list li {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.suggestion-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #fbbf24;
}

.qa-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.time-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.time-block-inline {
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
}

.time-block-inline.primary-time {
    background: rgba(59, 130, 246, 0.3);
    border: 2px solid #3b82f6;
    color: white;
}

.time-block-inline.overflow-time {
    background: rgba(139, 92, 246, 0.3);
    border: 2px solid #8b5cf6;
    color: white;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 1.1rem;
    color: white;
    margin: 0.3rem 0;
}

.contact-info p:first-child {
    font-size: 1.3rem;
    font-weight: bold;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    max-width: 900px;
    max-height: 90vh;
    width: 90%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.modal-header {
    padding: 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: white;
    font-size: 2rem;
    margin: 0;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.modal-body::-webkit-scrollbar {
    width: 10px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.copy-modal-btn {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.copy-modal-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

#originalPromptText {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

/* Tips Button */
.tips-btn {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto 1.5rem auto;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fadeInDown 0.6s ease-out 0.2s backwards;
}

.tips-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.tips-btn:active {
    transform: translateY(0);
}

.tips-icon {
    font-size: 1.2rem;
}

/* Tips Modal Content */
.tips-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tips-section h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tips-section p {
    color: white;
    font-size: 1.05rem;
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.tips-examples {
    margin-top: 1rem;
}

.tips-examples h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

.example-prompt {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border-left: 3px solid #4ade80;
}

.tips-highlight {
    background: rgba(74, 222, 128, 0.2);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #4ade80;
    margin-top: 1rem;
}

.tips-highlight strong {
    color: #4ade80;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.tip-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem;
    border-radius: 6px;
    color: white;
    line-height: 1.5;
}

.tip-item strong {
    color: #4ade80;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}