:root {
    --primary-color: #007bff;
    --secondary-color: #00d4ff;
    --accent-color: #ff6b6b;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 15px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    margin-bottom: 25px;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.title-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.logo img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    margin-bottom: 0;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.5);
}

.site-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1rem;
    opacity: 0.8;
}

.categories {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 20px 20px 20px 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    overflow: visible;
}

.category:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.category.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.category h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    text-align: center;
    font-weight: 600;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.button {
    position: relative;
    overflow: visible; 
    margin: 3px 0;
}

.button a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.button.primary a {
    background: var(--text-primary);
    color: var(--bg-primary);
    font-weight: 600;
}

.button.support a {
    background: linear-gradient(45deg, var(--accent-color), #ff8a8a);
}

.button a:hover {
    transform: translateY(-3px); /* Zmenšený z -2px na -3px pre lepší efekt */
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.button a:active {
    transform: translateY(0);
}

.button a i {
    font-size: 1.2rem;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.button.social a {
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 14px;
}

.button.social a span {
    display: none;
}

.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pop-out {
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.pop-out-delay-1 { animation-delay: 0.1s; }
.pop-out-delay-2 { animation-delay: 0.2s; }
.pop-out-delay-3 { animation-delay: 0.3s; }
.pop-out-delay-4 { animation-delay: 0.4s; }
.pop-out-delay-5 { animation-delay: 0.5s; }

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .title-container {
        gap: 15px; /* Zmenšené na mobile */
    }
    
    .logo img {
        width: 50px; /* Ešte menšie na mobile */
        height: 50px;
    }
    
    .site-title h1 {
        font-size: 2rem;
    }
    
    .category {
        padding: 16px;
    }
    
    .header {
        margin-bottom: 20px;
        padding: 15px 0;
    }
    
    .categories {
        gap: 16px;
    }
    
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}