:root {
    --transition-speed: 0.3s;
    --font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";    
    
    --main-bg: #0d1117; 
    --text-color: #f0f6fc;
    --glass-bg: rgba(255, 255, 255, 0.05); 
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.4);
    
}

body.light-mode {
    --main-bg: #e6e8eb; 
    --text-color: #1a1d21;
    --glass-bg: rgba(255, 255, 255, 0.5); 
    --glass-border: rgba(200, 200, 200, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--main-bg);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.main-container {
    width: 90%;
    max-width: 1400px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr; 
    gap: 20px;
        grid-template-areas: 
        "about spotify movies"
        "about equipment movies";
        
    grid-template-rows: auto 1fr;
}

#about-me { grid-area: about; }
#spotify-playlist { grid-area: spotify; }
#equipment-list { grid-area: equipment; }
#top-movies { grid-area: movies; }

.card {
    border-radius: 24px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    background-color: var(--glass-bg);
    
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 
        10px 10px 30px 0px var(--glass-shadow), 
        inset -5px -5px 15px 0px var(--glass-border), 
        inset 5px 5px 10px 0px var(--glass-border);  
    
    transition: box-shadow var(--transition-speed), background-color var(--transition-speed), border-color var(--transition-speed);
}

.card:hover {
    box-shadow: 
        15px 15px 40px 0px var(--glass-shadow),
        inset -8px -8px 20px 0px var(--glass-border),
        inset 8px 8px 15px 0px var(--glass-border);
}

.card h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 700;
}



.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--glass-border);
}

.profile-desc {
    margin-bottom: 30px;
    line-height: 1.6;
}

.social-links {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.social-btn {
    display: block;
    width: 100%;
    padding: 12px;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: transform 0.2s;
    background-size: 200% auto; 
}
.social-btn:hover {
    transform: translateY(-3px);
    background-position: right center; 
}

#social-yt { background-image: linear-gradient(to right, #FF0000 0%, #cc0000 51%, #FF0000 100%); }
#social-fb { background-image: linear-gradient(to right, #0078FF 0%, #00c6ff 51%, #0078FF 100%); }
#social-insta { background-image: linear-gradient(to right, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
#social-linkedin { background-image: linear-gradient(to right, #0077b5 0%, #00a0dc 51%, #0077b5 100%); }

.spotify-card {
    overflow: hidden;
    padding: 0;
}

.spotify-card iframe {
    width: 100%;
    height: 100%;
}

.equipment-categories {
    list-style: none;
}

.equipment-categories > li {
    margin-bottom: 10px;
    padding: 10px 15px;
    border-radius: 10px;
    cursor: pointer;
    background: rgba(255,255,255,0.03);
    transition: background 0.2s;
}

.equipment-categories > li:hover {
    background: rgba(255,255,255,0.08);
}

.category-title {
    font-weight: 600;
    display: block;
    font-size: 1.1rem;
}


.specs-list {
    max-height: 0;
    overflow: hidden; 
    list-style: disc inside;
    margin-left: 10px;
    font-size: 0.95rem;
    opacity: 0;
    
    transition: max-height 0.4s ease-out, padding 0.4s ease-out, opacity 0.4s ease-out;
}

.equipment-categories > li:hover .specs-list {
    max-height: 1000px; 
    padding-top: 10px;
    opacity: 1;
}

.specs-list li {
    padding: 4px 0;
}

.movie-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.movie-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
}

.movie-poster-placeholder {
    width: 60px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #888;
    font-size: 0.8rem;
}

.rating {
    margin-top: 5px;
    font-size: 1.1rem;
    color: #ffd700;
}
.movie-item {
    display: flex; 
    align-items: center;
    gap: 15px; 
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05); 
}

.movie-poster {
    width: 60px; 
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0; 
}

.movie-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.movie-info h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.rating {
    margin-top: 5px;
    font-size: 1rem;
    color: #ffcc00; 
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding: 15px;
    font-size: 0.9rem;
    color: #888;
}

.glass-btn {
    padding: 10px 20px;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-speed);
    
    backdrop-filter: blur(5px);
    box-shadow: 3px 3px 10px 0px var(--glass-shadow);
}

.glass-btn:hover {
    box-shadow: 5px 5px 15px 0px var(--glass-shadow);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "spotify"
            "about"
            "equipment"
            "movies";
    }
}