/* ============================================
   Game Development Portfolio - Styles
   ============================================ */

/* CSS Variables for easy theming */
:root {
    /* Main theme colors - Green/Blue/Yellow scheme */
    --primary-color: #69b6da;        /* Vibrant green */
    --secondary-color: #000000;      /* Cyan blue */
    --accent-color: #5188a1;         /* Golden yellow */
    
    /* Background colors - Darker for higher contrast */
    --dark-bg: #000000;              /* Very dark green-tinted black */
    --card-bg: #0b1522;              /* Dark charcoal */
    --bg-dark-alt: #000000;          /* Alternate dark background */
    
    /* Text colors - Brighter for higher contrast */
    --text-primary: #f9fafb;         /* Near white */
    --text-secondary: #d1d5db;       /* Light gray */
    
    /* Special colors */
    --success-color: #10b981;        /* Green (same as primary) */
    --success-dark: #059669;         /* Darker green */
    --success-darker: #047857;       /* Darkest green */
    --itch-color: #fa5454;           /* Itch.io red */
    --itch-light: #ff5a5f;           /* Lighter red */
    --close-button-red: #ef4444;     /* Saturated red for close buttons */
    --white: #ffffff;
    --black: #000000;
    
    /* Shadows and effects */
    --shadow: rgba(0, 0, 0, 0.4);
    --shadow-medium: rgba(0, 0, 0, 0.6);
    --shadow-heavy: rgba(0, 0, 0, 0.85);
    --shadow-light: rgba(0, 0, 0, 0.9);
    --shadow-lighter: rgba(0, 0, 0, 0.96);
    
    /* Overlay and transparency effects - Updated for new colors */
    --overlay-light: rgba(255, 255, 255, 0.1);
    --primary-overlay-10: rgba(16, 185, 129, 0.1);    /* Green overlays */
    --primary-overlay-15: rgba(16, 185, 129, 0.15);
    --primary-overlay-20: rgba(16, 185, 129, 0.2);
    --primary-overlay-30: rgba(16, 185, 129, 0.3);
    --primary-overlay-40: rgba(16, 185, 129, 0.4);
    --primary-overlay-50: rgba(16, 185, 129, 0.5);
    --secondary-overlay-10: rgba(6, 182, 212, 0.1);   /* Cyan overlays */
    --secondary-overlay-15: rgba(6, 182, 212, 0.15);
    --accent-overlay-10: rgba(251, 191, 36, 0.1);     /* Yellow overlays */
    --accent-overlay-40: rgba(251, 191, 36, 0.4);
    --accent-overlay-50: rgba(251, 191, 36, 0.5);
    --accent-overlay-60: rgba(251, 191, 36, 0.6);
    
    /* Timing */
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--bg-dark-alt) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header Styles */
header {
    background: color-mix(in srgb, var(--dark-bg) 90%, transparent);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px var(--shadow);
}

header h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 0.0rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Navigation / Filter Buttons */
nav {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-buttons button {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.filter-buttons button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.filter-buttons button:hover::before {
    left: 100%;
}

.filter-buttons button:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

.filter-buttons button.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px rgba(0, 247, 255, 0.4);
}

/* Main Content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Project Card */
.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 247, 255, 0.4);
}

.project-card.hidden {
    display: none;
}

.project-thumbnail {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    background: rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid var(--primary-color);
}

.collab-badge {
    background: color-mix(in srgb, var(--success-color) 20%, transparent);
    color: var(--success-color);
    border-color: var(--success-color);
    font-weight: 700;
}

.project-description {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 20px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 2px solid var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close {
    position: sticky;
    float: right;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-primary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-bg);
    border-radius: 50%;
    transition: var(--transition);
    z-index: 10;
    margin-bottom: -40px;
    line-height: 0;
    padding-bottom: 5px;
}

.close:hover {
    background: var(--close-button-red);
}

#modal-body {
    padding: 3rem;
}

.modal-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.modal-images img {
    width: 100%;
    border-radius: 10px;
    border: 2px solid var(--primary-color);
    transition: var(--transition);
    cursor: pointer;
}

.modal-images img:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 247, 255, 0.4);
}

.zoomable-image {
    cursor: zoom-in;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 1.5rem 0;
}

/* Playable Game Section */
.modal-play-section {
    text-align: center;
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 15px;
    border: 2px solid var(--primary-color);
}

.play-game-btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--success-color), var(--success-dark));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--success-color) 40%, transparent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.play-game-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px color-mix(in srgb, var(--success-color) 60%, transparent);
    background: linear-gradient(135deg, var(--success-dark), var(--success-darker));
}

.play-hint {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* Itch.io Section */
.modal-itch-section {
    text-align: center;
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, color-mix(in srgb, var(--itch-color) 10%, transparent), color-mix(in srgb, var(--itch-light) 10%, transparent));
    border-radius: 15px;
    border: 2px solid var(--itch-color);
}

.modal-itch-section h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.modal-itch-section iframe {
    max-width: 100%;
    margin: 0 auto;
    display: block;
}

.itch-link-btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--itch-color), var(--itch-light));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--itch-color) 40%, transparent);
}

.itch-link-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px color-mix(in srgb, var(--itch-color) 60%, transparent);
}

/* Downloadable Assets Section */
.modal-assets {
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 15px;
    border: 2px solid var(--accent-color);
}

.modal-assets h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.assets-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.sprite-showcase {
    margin: 2rem 0;
}

.sprite-showcase h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
}

.sprite-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    background: var(--dark-bg);
    border-radius: 10px;
    margin-top: 1rem;
}

.sprite-item {
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    background: var(--card-bg);
    padding: 0.5rem;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
}

.sprite-item:hover {
    border-color: var(--accent-color);
    transform: scale(1.2);
    box-shadow: 0 5px 20px rgba(236, 72, 153, 0.4);
    z-index: 10;
}

.download-note {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
}

.download-note a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.download-note a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.assets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.asset-category {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--accent-color);
}

.asset-category h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.download-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(236, 72, 153, 0.5);
}

/* My Role Section */
.modal-my-role {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    border-radius: 12px;
    border: 2px solid var(--primary-color);
    border-left: 5px solid var(--primary-color);
}

.modal-my-role h3 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.my-role-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-tech {
    margin-top: 2rem;
}

.modal-tech h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.modal-links {
    margin-top: 2rem;
}

.modal-links h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.modal-link {
    display: inline-block;
    margin: 0.5rem 1rem 0.5rem 0;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.modal-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 247, 255, 0.4);
}

/* Image Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.2s ease-out;
}

.lightbox.active {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 2rem;
}

.lightbox-close {
    position: absolute;
    right: 2rem;
    top: 2rem;
    font-size: 3rem;
    font-weight: bold;
    color: var(--text-primary);
    cursor: pointer;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--dark-bg) 80%, transparent);
    border-radius: 50%;
    transition: var(--transition);
    z-index: 2001;
    border: 2px solid var(--primary-color);
    line-height: 0;
    padding-bottom: 10px;
}

.lightbox-close:hover {
    background: var(--close-button-red);
    box-shadow: 0 5px 20px rgba(239, 68, 68, 0.6);
}

#lightbox-img {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px var(--shadow-heavy);
    animation: zoomIn 0.3s ease-out;
    image-rendering: auto;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-caption {
    margin-top: 1.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
    text-align: center;
    background: color-mix(in srgb, var(--dark-bg) 80%, transparent);
    padding: 1rem 2rem;
    border-radius: 25px;
    border: 2px solid var(--primary-color);
    max-width: 80%;
}

/* Collaborators Section */
.modal-collaborators {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, color-mix(in srgb, var(--success-color) 10%, transparent), color-mix(in srgb, var(--success-dark) 10%, transparent));
    border-radius: 15px;
    border: 2px solid var(--success-color);
}

.modal-collaborators h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.collaborator-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.collaborator-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--success-color);
    transition: var(--transition);
}

.collaborator-card:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px color-mix(in srgb, var(--success-color) 40%, transparent);
}

.collaborator-link {
    display: block;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
}

.collaborator-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: 0.5rem;
}

.collaborator-role {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.collaborator-itch {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* Skills Section */
.skills-section {
    margin: 4rem 0;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 20px;
    border: 2px solid var(--primary-color);
}

.skills-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.skill-category li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Contact Section */
.contact-section {
    text-align: center;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    margin: 4rem 0;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 247, 255, 0.4);
}

#email-link {
    transition: all 0.3s ease;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: var(--dark-bg);
    color: var(--text-secondary);
    border-top: 2px solid var(--primary-color);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-buttons button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    #modal-body {
        padding: 2rem 1.5rem;
    }

    .modal-title {
        font-size: 2rem;
    }

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

    .contact-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    main {
        padding: 2rem 1rem;
    }

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

    .modal-content {
        margin: 1rem;
    }
}