/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8f9fa;
    height: 100vh;
    overflow: hidden;
    position: relative;
    cursor: none; /* Hide default cursor for custom cursor */
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

.cursor-pointer {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 16px solid #000000;
    position: absolute;
    top: -16px;
    left: -8px;
    z-index: 2;
}

.cursor-label {
    background: #00C781;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
    position: absolute;
    top: 0px;
    left: 0px;
    transition: background-color 0.3s ease, opacity 0.3s ease;
    z-index: 1;
    text-align: center;
    line-height: 1.3;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.2px;
}

.cursor-label.fade-out {
    opacity: 0;
}

.cursor-label.fade-in {
    opacity: 1;
}

/* FigJam-Style Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
    z-index: -2;
}

/* Radial fade effect for grid */
body::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(ellipse at center, transparent 0%, transparent 30%, rgba(248, 249, 250, 0.8) 70%, rgba(248, 249, 250, 1) 100%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

/* Convex lens effect */
.canvas::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80vw;
    height: 80vh;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

/* Top Bar */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.top-left {
    font-weight: 600;
    flex: 1;
}

.top-center {
    font-family: 'Inter', sans-serif;
    color: #333;
    text-align: center;
    flex: 2;
    font-weight: 500;
}

.top-right {
    font-family: 'Courier New', monospace;
    color: #666;
    text-align: right;
    flex: 1;
}

/* Main Canvas */
.canvas {
    position: relative;
    width: 100vw;
    height: 100vh;
    padding-top: 40px;
    padding-bottom: 100px; /* Increased to prevent content behind nav */
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Page Content */
.page-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    overflow-y: auto; /* Enable scrolling */
    padding: 60px 20px 120px 20px; /* Top padding for breathing room, bottom padding for nav */
}

.page-content.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* Central Introduction Text */
.intro-section {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    max-width: 600px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.intro-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: #333;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.intro-subtitle {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: #666;
    line-height: 1.4;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.intro-description {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: #888;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* Enhanced Sticky Notes */
.sticky-note {
    position: absolute;
    width: 220px;
    min-height: 160px;
    padding: 18px;
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    cursor: grab;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: rotate(-1deg);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    z-index: 10;
    user-select: none;
    animation: stickyNoteEntrance 0.8s ease-out both;
}

.sticky-note:nth-child(1) { animation-delay: 0.1s; }
.sticky-note:nth-child(2) { animation-delay: 0.2s; }
.sticky-note:nth-child(3) { animation-delay: 0.3s; }
.sticky-note:nth-child(4) { animation-delay: 0.4s; }
.sticky-note:nth-child(5) { animation-delay: 0.5s; }

@keyframes stickyNoteEntrance {
    from {
        opacity: 0;
        transform: rotate(-1deg) scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: rotate(-1deg) scale(1) translateY(0);
    }
}

.sticky-note:active {
    cursor: grabbing;
}

.sticky-note:hover {
    transform: rotate(0deg) scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    z-index: 20;
}

.sticky-note::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 24px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 8px 8px 0 0;
}

.note-content h3 {
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.note-content p {
    color: #555;
    font-size: 13px;
}

/* Work vs Personal Side - Proper Visibility Management */
.work-note {
    opacity: 1;
    transform: rotate(-1deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.personal-note {
    opacity: 0;
    transform: rotate(1deg) scale(0.8);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

.canvas.personal-mode .work-note {
    opacity: 0;
    transform: rotate(-1deg) scale(0.8);
    display: none;
}

.canvas.personal-mode .personal-note {
    opacity: 1;
    transform: rotate(1deg) scale(1);
    display: block;
}

/* TV Sticky Note */
.tv-note {
    width: 280px;
    min-height: 200px;
    background: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.4);
    position: relative;
    overflow: visible;
}

.tv-note::before {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px 15px 0 0;
}

.tv-screen {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    border: 2px solid #444;
}

.tv-static {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.03) 2px,
        rgba(255, 255, 255, 0.03) 4px
    );
    animation: tvFlicker 0.1s infinite;
    pointer-events: none;
}

@keyframes tvFlicker {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.1; }
}

.tv-content h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 10px;
    text-align: center;
}

.tv-content p {
    color: #ccc;
    text-align: center;
    font-size: 14px;
}

.tv-antenna {
    position: absolute;
    top: -15px;
    width: 2px;
    height: 20px;
    background: #666;
    border-radius: 1px;
}

.tv-antenna.left {
    left: 30px;
    transform: rotate(-15deg);
}

.tv-antenna.right {
    right: 30px;
    transform: rotate(15deg);
}

.tv-antenna::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -1px;
    width: 4px;
    height: 4px;
    background: #999;
    border-radius: 50%;
}

/* Spotify-Style Music Player Sticky Note */
.music-player-note {
    width: 280px;
    min-height: 120px;
    background: linear-gradient(135deg, #1db954 0%, #1ed760 100%);
    color: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(29, 185, 84, 0.3);
}

.music-player-note::before {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px 12px 0 0;
}

.music-player-note .note-content h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 15px;
}

.music-player-note .note-content p {
    color: rgba(255, 255, 255, 0.9);
}

.music-player-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.album-cover {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.song-info {
    flex: 1;
}

.song-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    color: white;
}

.artist-name {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.music-controls {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.music-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
    font-size: 14px;
}

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

/* Enhanced Side Toggle Button */
.side-toggle {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 15px 20px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.side-toggle:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) scale(1.05);
}

.work-toggle {
    right: 20px;
}

.personal-toggle {
    left: 20px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.canvas.personal-mode .work-toggle {
    opacity: 0;
    pointer-events: none;
}

.canvas.personal-mode .personal-toggle {
    opacity: 1;
    pointer-events: all;
}

/* Navigation Menu */
.nav-menu {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-item {
    background: none;
    border: none;
    padding: 8px 16px;
    border-radius: 15px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #333;
    transform: translateY(-1px);
}

.nav-item.active {
    background: #333;
    color: white;
}

/* Page-specific content */
.about-content, .works-content, .resume-content, .naytv-content {
    max-width: 1200px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
}

.page-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Works Page Specific Styles */
.works-header {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.email-link {
    color: #333;
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.2s ease;
}

.email-link:hover {
    color: #666;
}

/* New 2-Column Project Grid Layout */
.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.project-box {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    min-height: 500px;
    cursor: pointer;
}

.project-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.image-placeholder {
    font-size: 4rem;
    color: white;
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.project-overlay h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.project-overlay p {
    color: #666;
    line-height: 1.3;
    font-size: 0.85rem;
    margin: 0;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.5rem;
}

.tag {
    background: rgba(0, 0, 0, 0.1);
    color: #555;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Project Detail Page Styles */
.project-detail-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.back-button {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 12px 20px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.back-button:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.project-embed-container {
    width: 100%;
    min-height: 80vh;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}







.project-embed-placeholder {
    text-align: center;
    color: #666;
    padding: 4rem 2rem;
}

.project-embed-placeholder h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.project-embed-placeholder p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* Legacy Project Grid (keeping for other pages if needed) */
.project-grid-legacy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.project-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.project-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.project-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Content styling */
.about-content p, .works-content p, .resume-content p, .naytv-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.about-content h3, .works-content h3, .resume-content h3, .naytv-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin: 2rem 0 1rem 0;
}

.about-content ul, .works-content ul, .resume-content ul, .naytv-content ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.about-content li, .works-content li, .resume-content li, .naytv-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.about-content a, .works-content a, .resume-content a, .naytv-content a {
    color: #333;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.about-content a:hover, .works-content a:hover, .resume-content a:hover, .naytv-content a:hover {
    color: #666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .intro-title {
        font-size: 2.5rem;
    }
    
    .intro-subtitle {
        font-size: 1.2rem;
    }
    
    .intro-description {
        font-size: 1rem;
    }
    
    .sticky-note {
        width: 180px;
        min-height: 140px;
        padding: 15px;
    }
    
    .music-player-note {
        width: 240px;
        min-height: 100px;
    }
    
    .tv-note {
        width: 240px;
        min-height: 180px;
    }
    
    .nav-menu {
        bottom: 10px;
        padding: 10px 15px;
    }
    
    .nav-item {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .side-toggle {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .top-center {
        font-size: 12px;
    }
    
    .top-right {
        font-size: 11px;
    }
    
    /* Works page responsive */
    .works-header {
        font-size: 1rem;
        padding: 0 10px;
        margin-bottom: 2rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .project-box {
        min-height: 400px;
    }
    
    .project-image {
        height: 300px;
    }
    
    .project-thumbnail {
        height: 300px;
    }
    
    .image-placeholder {
        font-size: 3rem;
    }
    
    .project-overlay {
        padding: 0.8rem;
    }
    
    .project-overlay h3 {
        font-size: 1rem;
        margin-bottom: 0.4rem;
    }
    
    .project-overlay p {
        font-size: 0.8rem;
    }
    
    .project-tags {
        gap: 0.2rem;
        margin-top: 0.4rem;
    }
    
    .tag {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }
    
    /* Project detail page responsive */
    .project-detail-content {
        padding: 0 15px;
    }
    
    .back-button {
        padding: 10px 16px;
        font-size: 13px;
        margin-bottom: 1.5rem;
    }
    
    .project-embed-container {
        padding: 1.5rem;
        min-height: 60vh;
    }
    

    
    .project-embed-placeholder {
        padding: 2rem 1rem;
    }
    
    .project-embed-placeholder h2 {
        font-size: 1.5rem;
    }
    
    .project-embed-placeholder p {
        font-size: 1rem;
    }
    
    .page-content {
        padding: 50px 15px 100px 15px;
    }
}

/* Enhanced dragging styles */
.sticky-note.dragging {
    opacity: 0.9;
    transform: rotate(0deg) scale(1.05);
    z-index: 1000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: none;
}

/* Show default cursor on interactive elements */
.sticky-note, .nav-item, .side-toggle {
    cursor: grab;
}

.sticky-note:active, .nav-item:active, .side-toggle:active {
    cursor: grabbing;
} 

/* Syncin Case Study Styles */
.syncin-case-study {
    width: 100%;
    height: calc(100vh - 120px);
    position: relative;
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Sticky Header Bar */
.syncin-header-bar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* macOS-style Control Buttons */
.macos-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.control-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn.red {
    background: #ff5f56;
    box-shadow: 0 1px 3px rgba(255, 95, 86, 0.3);
}

.control-btn.yellow {
    background: #ffbd2e;
    box-shadow: 0 1px 3px rgba(255, 189, 46, 0.3);
}

.control-btn.green {
    background: #27ca3f;
    box-shadow: 0 1px 3px rgba(39, 202, 63, 0.3);
}

.control-btn:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* Syncin Controls Layout */
.syncin-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    justify-content: center;
}

/* Video Buttons */
.video-buttons {
    display: flex;
    gap: 12px;
}

.video-btn {
    background: rgba(0, 0, 0, 0.08);
    color: #333;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.video-btn:hover {
    background: rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Zoom Controls */
.zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.zoom-btn {
    background: rgba(0, 0, 0, 0.08);
    border: none;
    border-radius: 6px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
}

.zoom-btn:hover {
    background: rgba(0, 0, 0, 0.15);
    transform: scale(1.05);
}

.zoom-btn:active {
    transform: scale(0.95);
}

.zoom-btn:disabled,
.zoom-btn[style*="opacity: 0.5"] {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    pointer-events: none;
}

.zoom-level {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    min-width: 45px;
    text-align: center;
}

/* Image Container */
.syncin-image-container {
    width: 100%;
    height: calc(100% - 60px);
    overflow: auto;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
    background: #f8f9fa;
}

.syncin-detail-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    transform-origin: center center;
    cursor: zoom-in;
}

.syncin-detail-image:hover {
    transform: scale(1.01);
}

/* Enhanced Zoom Functionality */
.syncin-image-container.zoomed {
    cursor: grab;
}

.syncin-image-container.zoomed:active {
    cursor: grabbing;
}

/* Responsive Design for Syncin Case Study */
@media (max-width: 768px) {
    .syncin-case-study {
        height: calc(100vh - 100px);
    }
    
    .syncin-header-bar {
        height: 50px;
        padding: 0 15px;
    }
    
    .control-btn {
        width: 10px;
        height: 10px;
    }
    
    .syncin-controls {
        gap: 15px;
    }
    
    .video-buttons {
        gap: 8px;
    }
    
    .video-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .zoom-controls {
        padding: 4px 8px;
        gap: 6px;
    }
    
    .zoom-btn {
        width: 24px;
        height: 24px;
        font-size: 14px;
    }
    
    .zoom-level {
        font-size: 12px;
        min-width: 40px;
    }
    
    .syncin-image-container {
        height: calc(100% - 50px);
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .syncin-header-bar {
        flex-direction: column;
        height: 80px;
        padding: 10px 15px;
    }
    
    .syncin-controls {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .video-buttons {
        justify-content: center;
    }
    
    .zoom-controls {
        justify-content: center;
    }
    
    .syncin-image-container {
        height: calc(100% - 80px);
    }
}

/* Project Title in Header */
.project-title {
    flex: 1;
    text-align: center;
}

.project-title h3 {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

/* PDF Viewer Styles */
.pdf-viewer-container {
    width: 100%;
    height: calc(100vh - 120px);
    position: relative;
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* PDF Header Bar */
.pdf-header-bar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pdf-title {
    flex: 1;
    text-align: center;
}

.pdf-title h3 {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.pdf-controls {
    display: flex;
    align-items: center;
}

.pdf-btn {
    background: rgba(0, 0, 0, 0.08);
    color: #333;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 6px;
}

.pdf-btn:hover {
    background: rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* PDF Embed Container */
.pdf-embed-container {
    width: 100%;
    height: calc(100% - 60px);
    position: relative;
    background: white;
}

.pdf-iframe {
    border: none;
    display: block;
    background: white;
}

/* Responsive Design for PDF Viewer */
@media (max-width: 768px) {
    .pdf-viewer-container {
        height: calc(100vh - 100px);
    }
    
    .pdf-header-bar {
        height: 50px;
        padding: 0 15px;
    }
    
    .pdf-title h3 {
        font-size: 14px;
    }
    
    .pdf-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .pdf-embed-container {
        height: calc(100% - 50px);
    }
}

@media (max-width: 480px) {
    .pdf-header-bar {
        flex-direction: column;
        height: 80px;
        padding: 10px 15px;
        justify-content: center;
        gap: 10px;
    }
    
    .pdf-title {
        order: 1;
    }
    
    .pdf-controls {
        order: 2;
    }
    
    .pdf-embed-container {
        height: calc(100% - 80px);
    }
}

/* Doodle Pen Button Styles */
.doodle-pen-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
}

.doodle-pen-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
}

.doodle-pen-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 1);
}

.doodle-pen-btn.active {
    background: #00C781;
    color: white;
    transform: scale(1.05);
}

/* Color Palette */
.color-palette {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.color-palette.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.color-option.selected {
    border-color: #333;
    transform: scale(1.1);
    box-shadow: 0 0 0 2px rgba(51, 51, 51, 0.3);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Doodle Canvas */
#doodleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#doodleCanvas.active {
    pointer-events: all;
    opacity: 1;
}

/* Pen Cursor */
.pen-cursor {
    cursor: crosshair !important;
}

.pen-cursor * {
    cursor: crosshair !important;
}

/* Responsive Design for Doodle Pen */
@media (max-width: 768px) {
    .doodle-pen-container {
        bottom: 20px;
        right: 20px;
    }
    
    .doodle-pen-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .color-palette {
        bottom: 60px;
        padding: 10px;
        gap: 6px;
    }
    
    .color-option {
        width: 28px;
        height: 28px;
    }
}