@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

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

:root {
    --primary-color: #000000;
    --bg-color: #ffffff;
    --border-color: #000000;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-light: rgba(0, 0, 0, 0.5);
    --hover-bg: rgba(0, 0, 0, 0.02);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-color);
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px 0;
}

.changing-emoji {
    font-size: clamp(3rem, 6vw, 5rem);
    display: block;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.resume-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--bg-color);
    padding: 10px 20px;
    border: none;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.resume-btn:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.role {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-weight: 400;
}

.contact-info {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
    line-height: 1.8;
}

.first-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.skills-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.experience-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.github-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.projects-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.achievements-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    border: 1px solid var(--border-color);
    padding: 25px;
    background: var(--bg-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 200px;
    position: relative;
}

.card:hover {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
}

.card-content {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
    overflow-y: auto;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.skill-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-color);
    text-align: center;
    position: relative;
    color: var(--primary-color);
}

.skill-item:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.timeline-item {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 15px;
    border: 1px solid transparent;
}

.timeline-item:hover {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.item-header {
    margin-bottom: 12px;
}

.item-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.item-date {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 400;
}

.item-description {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.item-description ul {
    margin-left: 20px;
    margin-top: 8px;
}

.item-description li {
    margin-bottom: 6px;
}

.music-player {
    position: relative;
}

.music-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.music-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.music-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.music-artwork {
    width: 250px;
    height: 250px;
    background: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-color);
}

.music-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.control-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 50px;
    color: var(--primary-color);
}

.control-btn:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.control-btn.active {
    background: var(--primary-color);
    color: var(--bg-color);
}

.track-info {
    font-size: 0.75rem;
    color: var(--text-light);
    padding: 10px 0;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.location-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    padding: 4px 0;
}

.github-contributions {
    display: grid;
    grid-template-columns: repeat(53, 1fr);
    gap: 3px;
    margin-top: 15px;
    padding: 20px;
    background: #f8f9fa;
}

.contribution-day {
    width: 12px;
    height: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.contribution-day:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.contribution-0 { background-color: #ebedf0; }
.contribution-1 { background-color: #9be9a8; }
.contribution-2 { background-color: #40c463; }
.contribution-3 { background-color: #30a14e; }
.contribution-4 { background-color: #216e39; }

.github-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.github-legend {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 3px;
}

.legend-square {
    width: 10px;
    height: 10px;
}

.project-card {
    border: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    position: relative;
    background: var(--bg-color);
}

.project-card:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.project-emoji {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}

.project-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.project-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.achievement-card {
    border: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    background: var(--bg-color);
}

.achievement-card:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.achievement-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.achievement-text {
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

.load-more-btn {
    background: var(--bg-color);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 24px;
    margin: 20px auto;
    display: block;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.load-more-btn:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.tooltip {
    position: fixed;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    color: var(--primary-color);
    border: 1px solid var(--glass-border);
    padding: 12px 16px;
    font-size: 0.8rem;
    line-height: 1.4;
    max-width: 300px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.tooltip.show {
    opacity: 1;
    visibility: visible;
}

.skill-usage {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 0.75rem;
    font-weight: 500;
    color: #333333;
}

.project-links {
    margin-top: 10px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.project-link {
    color: #0066cc;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.project-link:hover {
    background: rgba(0, 102, 204, 0.2);
    text-decoration: underline;
}

.project-skills {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 0.75rem;
    font-weight: 500;
    color: #333333;
}

.experience-skills {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 0.75rem;
    font-weight: 500;
    color: #333333;
}

@media (max-width: 768px) {
    .first-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .card {
        padding: 20px;
        min-height: 160px;
    }

    .github-contributions {
        grid-template-columns: repeat(26, 1fr);
        gap: 2px;
        padding: 15px;
    }

    .contribution-day {
        width: 10px;
        height: 10px;
    }

    .skills-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .resume-btn {
        position: static;
        margin: 0 auto 20px auto;
        display: block;
        text-align: center;
    }

    .changing-emoji {
        font-size: 2.5rem;
    }

    .tooltip {
        max-width: 250px;
        font-size: 0.75rem;
    }

    .header {
        padding: 20px 0;
        margin-bottom: 30px;
    }

    .contact-info {
        font-size: 0.8rem;
        text-align: center;
    }

    .music-artwork {
        width: 200px;
        height: 200px;
        font-size: 1.5rem;
    }

    .player-controls {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 15px 0;
        margin-bottom: 25px;
    }
    
    .card {
        padding: 15px;
        min-height: 140px;
    }

    .first-row {
        gap: 12px;
    }

    .projects-grid,
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .github-contributions {
        grid-template-columns: repeat(20, 1fr);
        gap: 1px;
        padding: 10px;
    }

    .contribution-day {
        width: 8px;
        height: 8px;
    }

    .skills-list {
        grid-template-columns: 1fr;
    }

    .tooltip {
        max-width: 200px;
        font-size: 0.7rem;
        padding: 10px 12px;
    }

    .name {
        font-size: 2rem;
    }

    .role {
        font-size: 1rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-content {
        font-size: 0.8rem;
    }

    .music-artwork {
        width: 315px;
        height: 315px;
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
}

audio {
    display: none;
}