/* Portfolio Game-Style Layout CSS */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

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

body {
    font-family: 'Press Start 2P', cursive;
    background: #000;
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Portfolio Container */
.portfolio-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 10;
}

/* Header with Game-Style Navigation */
.portfolio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid #333;
}

.logo-section {
    flex: 0 0 auto;
}

.logo-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    border: 3px solid #fff;
}

/* Category Switcher - Game Style */
.category-switcher {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    justify-content: center;
}

.nav-arrow {
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    border: 3px solid #fff;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Press Start 2P', cursive;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-arrow:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.5);
}

.category-buttons {
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 15px;
    border: 2px solid #333;
}

.category-btn {
    background: transparent;
    border: 2px solid #666;
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    text-transform: uppercase;
}

.category-btn:hover {
    border-color: #4a90e2;
    color: #4a90e2;
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.tagline {
    flex: 0 0 auto;
    text-align: right;
    max-width: 300px;
}

.tagline p {
    font-size: 8px;
    color: #999;
    line-height: 1.4;
}

/* Main Content Layout */
.portfolio-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    min-height: 600px;
}

/* Left Side - Main Display */
.main-display {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #333;
    border-radius: 20px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

#selected-item-display {
    width: 100%;
    height: 400px;
    background: #111;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 2px solid #333;
    position: relative;
    overflow: hidden;
}

.default-content {
    text-align: center;
    color: #666;
}

.default-content h2 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #999;
}

.default-content p {
    font-size: 10px;
    line-height: 1.6;
}

#main-video, #main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.item-info {
    padding: 20px 0;
}

.item-info h3 {
    font-size: 14px;
    color: #4a90e2;
    margin-bottom: 10px;
}

.item-info p {
    font-size: 9px;
    line-height: 1.6;
    color: #ccc;
    margin-bottom: 8px;
}

#item-meta {
    color: #4a90e2;
    font-size: 8px;
}

/* Right Side - Items List */
.items-list {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #333;
    border-radius: 20px;
    padding: 20px;
    max-height: 600px;
    overflow-y: auto;
}

.category-list {
    display: none;
}

.category-list.active {
    display: block;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #333;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.list-item:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #4a90e2;
    transform: translateX(5px);
}

.list-item.selected {
    background: linear-gradient(45deg, rgba(74, 144, 226, 0.2), rgba(44, 90, 160, 0.2));
    border-color: #4a90e2;
    transform: translateX(5px);
}

.item-name {
    font-size: 9px;
    color: #fff;
    flex: 1;
}

.item-year {
    font-size: 8px;
    color: #999;
    margin-left: 10px;
}

/* Custom Scrollbar */
.items-list::-webkit-scrollbar {
    width: 8px;
}

.items-list::-webkit-scrollbar-track {
    background: #111;
    border-radius: 4px;
}

.items-list::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    border-radius: 4px;
}

.items-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #2c5aa0, #4a90e2);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .portfolio-content {
        grid-template-columns: 1.5fr 1fr;
        gap: 30px;
    }
    
    .category-btn {
        padding: 10px 15px;
        font-size: 9px;
    }
}

@media (max-width: 900px) {
    .portfolio-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .category-switcher {
        order: 2;
    }
    
    .tagline {
        order: 3;
        max-width: none;
        text-align: center;
    }
    
    .portfolio-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .items-list {
        max-height: 400px;
    }
}

@media (max-width: 600px) {
    .category-buttons {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .category-btn {
        padding: 8px 12px;
        font-size: 8px;
    }
    
    .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    #selected-item-display {
        height: 300px;
    }
    
    .item-info h3 {
        font-size: 12px;
    }
    
    .item-info p {
        font-size: 8px;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    border-top-color: #4a90e2;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hover Effects for Media */
#main-video:hover, #main-image:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* Focus States for Accessibility */
.category-btn:focus,
.nav-arrow:focus,
.list-item:focus {
    outline: 2px solid #4a90e2;
    outline-offset: 2px;
}

/* Blue Progress Scroll Bar for entire page */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #111;
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    border-radius: 6px;
    border: 2px solid #111;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #2c5aa0, #1a4480);
}

::-webkit-scrollbar-corner {
    background: #111;
}

/* Firefox scrollbar styling */
html {
    scrollbar-width: thin;
    scrollbar-color: #4a90e2 #111;
}

/* Progress indicator at top of page */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #2c5aa0);
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 2px 10px rgba(74, 144, 226, 0.5);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #4a90e2, #2c5aa0);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-family: 'Press Start 2P', cursive;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: linear-gradient(45deg, #2c5aa0, #1a4480);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.5);
}

.scroll-to-top::before {
    content: '↑';
    display: block;
    line-height: 1;
}

/* PDF Display Support */
#main-pdf {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 15px;
    display: none;
}

.pdf-message {
    text-align: center;
    color: #4a90e2;
    padding: 40px 20px;
}

.pdf-message h3 {
    font-size: 14px;
    margin-bottom: 15px;
}

.pdf-message p {
    font-size: 10px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.pdf-message a {
    color: #4a90e2;
    text-decoration: underline;
    font-size: 9px;
}

.pdf-message a:hover {
    color: #2c5aa0;
}

/* Responsive scroll button */
@media (max-width: 768px) {
    .scroll-to-top {
        width: 50px;
        height: 50px;
        font-size: 16px;
        bottom: 20px;
        right: 20px;
    }
}