:root {
    --bg-color: #8E2DE2;
    --bg-gradient: linear-gradient(to right, #4A00E0, #8E2DE2);
    --window-bg: #EAEAEA;
    --text-color: #333333;
    --accent-color: #CC0000;
    --code-comment: #6a737d;
    --code-keyword: #d73a49;
    --code-string: #032f62;
    --tab-bg: #d1d1d1;
    --tab-active-bg: #EAEAEA;
    --border-color: #c0c0c0;
    --font-mono: 'Fira Code', 'Courier New', monospace;
}

body.dark-mode {
    --bg-gradient: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    --window-bg: #1e1e1e;
    --text-color: #f0f0f0;
    --accent-color: #ff4757;
    --code-comment: #8b949e;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --tab-bg: #2d2d2d;
    --tab-active-bg: #1e1e1e;
    --border-color: #333;
}

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

body {
    font-family: var(--font-mono);
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--text-color);
    transition: background 0.5s ease;
}

.mac-window {
    background: var(--window-bg);
    width: 100%;
    max-width: 1200px;
    /* Increased width for better tab view */
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 90vh;
    transition: background 0.3s ease;
}

.title-bar {
    background: var(--tab-bg);
    padding: 8px 15px;
    display: flex;
    align-items: center;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.buttons {
    display: flex;
    gap: 8px;
    z-index: 10;
}

.buttons div {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.close {
    background: #ff5f56;
}

.minimize {
    background: #ffbd2e;
}

.maximize {
    background: #27c93f;
}

.window-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--code-comment);
    opacity: 0.7;
}

.theme-toggle {
    margin-left: auto;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0.2s;
    font-size: 1rem;
    z-index: 10;
}

.theme-toggle:hover {
    opacity: 1;
}

/* Tabs */
.tab-bar {
    display: flex;
    background: var(--tab-bg);
    padding: 5px 10px 0 10px;
    /* Top tabs */
    overflow-x: auto;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    padding: 8px 15px;
    background: var(--tab-bg);
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    margin-right: 2px;
    display: flex;
    align-items: center;
    /* Center items vertically */
    gap: 10px;
    opacity: 0.7;
    transition: all 0.2s;
    border: 1px solid transparent;
    border-bottom: none;
    min-width: 150px;
    justify-content: space-between;
}

.tab.active {
    background: var(--window-bg);
    opacity: 1;
    border-color: var(--border-color);
}

.tab:hover:not(.active) {
    background: rgba(0, 0, 0, 0.05);
    /* Slight hover effect */
}

body.dark-mode .tab:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
}

.tab-close {
    font-size: 0.7rem;
    opacity: 0.5;
    padding: 2px;
    border-radius: 50%;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

.tab-close:hover {
    background: rgba(0, 0, 0, 0.1);
    opacity: 1;
}

body.dark-mode .tab-close:hover {
    background: rgba(255, 255, 255, 0.2);
}


.content-container {
    padding: 0;
    flex: 1;
    overflow-y: auto;
    background: var(--window-bg);
}

.tab-content {
    display: none;
    padding: 40px;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Nav */
.nav-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    flex-wrap: wrap;
    gap: 20px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
}

.nav-item .label {
    color: var(--code-comment);
    margin-bottom: 2px;
}

.nav-item .link {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.nav-item .link:hover {
    border-bottom: 1px solid var(--text-color);
}

/* Hero */
.hero-section {
    display: flex;
    align-items: center;
    gap: 40px;
}

/* Profile Picture Flip Styles */
/* Profile Picture Flip Styles */
.profile-flip-container {
    perspective: 1000px;
    width: 200px;
    height: 200px;
    position: relative;
    cursor: pointer;
    margin-bottom: 2rem;
    border-radius: 50%;
    /* Ensure no background/border on container to avoid "white circle" */
    background: transparent;
    -webkit-user-drag: none;
    user-select: none;
}

.profile-flip-container:active {
    transform: scale(0.98);
    /* Subtle click feedback */
}

.flipper {
    transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
    transform-style: preserve-3d;
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.flipper .front,
.flipper .back {
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    /* Border and shadow moved to the images or a wrapper inside, but putting on faces works too */
    border: 4px solid #fff;
    /* White border as requested */
    box-sizing: border-box;
    /* Include border in size */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    background-color: transparent;
    /* Fallback background */
}

.flipper .front {
    z-index: 2;
    transform: rotateY(0deg);
}

.flipper .back {
    transform: rotateY(180deg);
}

.flipper.flipped {
    transform: rotateY(180deg);
}

.status-ring {
    position: absolute;
    bottom: 15px;
    /* Fixed pixel value for better stability than % */
    right: 15px;
    width: 20px;
    height: 20px;
    background-color: #4CAF50;
    border: 3px solid var(--window-bg);
    border-radius: 50%;
    z-index: 20;
    /* Ensure high z-index */
    pointer-events: none;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    /* Add shadow for visibility on light backgrounds */
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
    pointer-events: none;
    -webkit-user-drag: none;
}

.flip-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    /* Centered overlay */
    background: rgba(0, 0, 0, 0.6);
    /* Slightly transparent black */
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
    white-space: nowrap;
    z-index: 20;
    /* Ensure it's on top of everything */
    backdrop-filter: blur(2px);
    /* Nice touch for overlay */
}

.flip-hint.visible {
    opacity: 1;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.hero-text h2 {
    font-size: 1.2rem;
    color: var(--code-comment);
    margin-bottom: 15px;
    font-weight: 400;
}

.hero-text .tagline {
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
    border-left: 3px solid var(--accent-color);
    border-left: 3px solid var(--accent-color);
    padding-left: 10px;
}

.hero-links {
    margin-top: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-links a {
    color: var(--code-comment);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.hero-links a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Read More Button */
.read-more-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    padding: 5px 0;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.read-more-btn:hover {
    text-decoration: underline;
}

.hidden-item {
    display: none;
}

/* Sections */
section {
    margin-bottom: 50px;
}

.divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 40px 0;
}

h3 {
    font-size: 1.1rem;
    color: var(--code-comment);
    margin-bottom: 20px;
    font-weight: normal;
}

.code-block {
    background: rgba(0, 0, 0, 0.05);
    /* Adaptive bg */
    padding: 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.6;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

body.dark-mode .code-block {
    background: rgba(255, 255, 255, 0.05);
}

.bio {
    line-height: 1.7;
    max-width: 800px;
}

/* Experience & Lists */
.exp-item,
.project-card,
.vol-item {
    margin-bottom: 30px;
}

.exp-item .time {
    font-size: 0.85rem;
    color: var(--code-comment);
    margin-bottom: 5px;
}

.exp-item h4,
.project-card h4,
.vol-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.role {
    color: var(--code-comment);
    font-weight: normal;
    font-size: 0.95rem;
    margin-left: 5px;
}

.exp-item ul,
.project-card ul,
.vol-item ul {
    list-style-type: none;
    padding-left: 0;
}

.exp-item li,
.project-card li,
.vol-item li,
.awards-section li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.6;
}

.exp-item li::before,
.project-card li::before,
.vol-item li::before,
.awards-section li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.skill-category {
    background: var(--window-bg);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.skill-category strong {
    color: var(--accent-color);
}

/* Projects */
.project-card {
    background: var(--window-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-stack {
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text-color);
}

body.dark-mode .tech-stack {
    background: rgba(255, 255, 255, 0.1);
}

.project-card a {
    color: var(--code-keyword);
    text-decoration: none;
}

/* Hobbies */
.hobbies-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.hobby-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hobby-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.hobby-btn i {
    font-size: 0.9rem;
}

/* Writings */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.blog-item {
    display: flex;
    gap: 20px;
    align-items: baseline;
    padding: 10px;
    border-radius: 6px;
    transition: background 0.2s;
}

.blog-item:hover {
    background: rgba(0, 0, 0, 0.03);
}

body.dark-mode .blog-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.blog-item .date {
    font-size: 0.85rem;
    color: var(--code-comment);
    min-width: 100px;
}

.blog-link {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px dotted var(--code-comment);
}

.blog-link:hover {
    color: var(--accent-color);
    border-bottom: 1px solid var(--accent-color);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 80px;
    color: var(--code-comment);
    font-size: 0.85rem;
}

.footer i {
    color: var(--accent-color);
}

/* Scrollbar styling */
.content-container::-webkit-scrollbar {
    width: 8px;
}

.content-container::-webkit-scrollbar-track {
    background: var(--window-bg);
}

.content-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.content-container::-webkit-scrollbar-thumb:hover {
    background: var(--code-comment);
}

/* Production Modal Styles */
.production-modal {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-color);
}

.prod-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.prod-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.prod-type {
    background: var(--accent-color);
    color: var(--window-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.video-container {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
    background: #000;
    border-radius: 4px;
    overflow: hidden;
}

.prod-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
}

@media (max-width: 768px) {
    body {
        padding: 0;
        align-items: flex-start;
        /* Remove vertical centering */
        background: var(--window-bg);
        /* Match window bg to avoid gaps */
    }

    .mac-window {
        height: 100vh;
        /* Full viewport height */
        max-width: 100%;
        width: 100%;
        border-radius: 0;
        box-shadow: none;
        display: flex;
        flex-direction: column;
    }

    .tab-bar {
        padding-top: 10px;
        /* Ensure distinct background for tab bar on mobile if needed */
        border-bottom: 1px solid var(--border-color);
    }

    .tab {
        padding: 10px 15px;
        /* Larger touch targets */
        min-width: auto;
        /* Allow tabs to be smaller if needed, or flexible */
        flex-shrink: 0;
        /* Prevent squishing */
    }

    .content-container {
        scrollbar-width: none;
        /* Hide scrollbar Firefox */
    }

    .content-container::-webkit-scrollbar {
        display: none;
        /* Hide scrollbar Chrome/Safari */
    }

    .tab-content {
        padding: 20px;
        /* Reduced padding */
        padding-bottom: 80px;
        /* Extra space for bottom scrolling */
    }

    /* Hero adjustments */
    .hero-section {
        flex-direction: column;
        text-align: center;
        gap: 25px;
        margin-top: 20px;
    }

    .profile-flip-container {
        margin: 0 auto 1.5rem auto;
        width: 160px;
        /* Slightly smaller profile pic */
        height: 160px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
        /* Smaller heading */
        word-break: break-word;
    }

    .hero-text h2 {
        font-size: 1rem;
    }

    .hero-links {
        justify-content: center;
        gap: 12px;
    }

    /* Navigation */
    .nav-header {
        flex-direction: column;
        align-items: stretch;
        /* Full width items */
        text-align: left;
        gap: 15px;
        background: rgba(0, 0, 0, 0.03);
        padding: 15px;
        border-radius: 8px;
    }

    .nav-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        border-bottom: 1px dotted var(--border-color);
        padding-bottom: 5px;
    }

    .nav-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .nav-item .label {
        margin-bottom: 0;
        font-size: 0.8rem;
    }

    /* Grids */
    .skills-grid {
        grid-template-columns: 1fr;
        /* Stack skills */
    }

    .hobbies-grid {
        justify-content: center;
    }

    .hobby-btn {
        width: 100%;
        /* Full width buttons for ease of tapping */
        justify-content: center;
    }

    /* Modals/Dialogs */
    .production-modal {
        padding: 10px 0;
        /* Maximize space */
    }

    .prod-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .video-container {
        height: 200px;
        /* Smaller video height */
    }

    .project-card,
    .exp-item,
    .vol-item {
        padding: 15px;
        /* Use internal padding if card style is used */
    }
}
/* Timeline Graph Styles */
.timeline-container {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-color);
}

.graph-svg {
    width: 100%;
    height: 400px;
    overflow: visible;
    margin-top: 20px;
}

.graph-axis {
    stroke: var(--border-color);
    stroke-width: 1;
}

.graph-text {
    fill: var(--code-comment);
    font-size: 10px;
    font-family: var(--font-mono);
}

.graph-line {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 5px var(--accent-color));
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s ease-out forwards;
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

.graph-point {
    fill: var(--window-bg);
    stroke: var(--accent-color);
    stroke-width: 2;
    cursor: pointer;
    transition: all 0.2s;
}

.graph-point:hover {
    r: 8;
    fill: var(--accent-color);
    stroke: #fff;
}

.graph-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    border: 1px solid var(--accent-color);
    max-width: 250px;
    z-index: 100;
}

.grid-line {
    stroke: var(--border-color);
    stroke-opacity: 0.2;
    stroke-dasharray: 4;
}

.stats-header {
    text-align: center;
    margin-bottom: 20px;
}

.stats-header h2 {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.stats-header p {
    color: var(--code-comment);
}

/* Mobile Optimization for Timeline */
@media (max-width: 768px) {
    .mobile-hint {
        display: block !important;
    }
    
    .graph-scroll-wrapper {
        border: 1px dashed var(--border-color);
        border-radius: 8px;
        background: rgba(0,0,0,0.02);
    }
    
    /* Adjust tooltip position logic if possible, or ensure z-index is high */
    .graph-tooltip {
        position: fixed; /* Fix to screen on mobile to avoid overflow issues */
        top: auto !important;
        left: 50% !important;
        bottom: 20px !important;
        transform: translateX(-50%);
        width: 90%;
        text-align: center;
        z-index: 1000;
        pointer-events: none;
    }
}