/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: #ff6b6b;
}

.nav {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: inherit;
}

.filter-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: #667eea;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.login-link {
    background: #4ecdc4;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-link:hover {
    background: #45b7b8;
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

.logout-btn {
    background: #ff6b6b;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.logout-btn:hover {
    background: #ff5252;
}

/* Main content */
.main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-info {
    padding: 1.5rem;
}

.gallery-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.gallery-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.gallery-item-category {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 1rem;
}

.gallery-item-category.sweets {
    background: #ff6b6b;
}

.gallery-item-category.cats {
    background: #4ecdc4;
}

/* Loading */
.loading {
    text-align: center;
    padding: 4rem 0;
    color: white;
}

.loading i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ff6b6b;
}

.loading p {
    font-size: 1.2rem;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 90%;
    max-height: 90%;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-content img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-info {
    padding: 2rem;
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.modal-info p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer i {
    color: #ff6b6b;
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }

/* Responsive design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .modal-content {
        margin: 10% auto;
        max-width: 95%;
    }
    
    .modal-info {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
}