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

body {
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
    overflow-x: hidden;
}

/* Gallery Container */
.gallery-container {
    padding: 20px;
    min-height: 100vh;
}

/* Masonry Grid */
.masonry-grid {
    column-count: 1;
    column-gap: 10px;
    padding: 10px;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 10px;
    cursor: pointer;
    transition: transform 0.2s ease;
    border-radius: 8px;
    overflow: hidden;
}

.masonry-item:hover {
    transform: scale(1.02);
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Responsive columns */
@media (min-width: 480px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (min-width: 768px) {
    .masonry-grid {
        column-count: 3;
    }
}

@media (min-width: 1024px) {
    .masonry-grid {
        column-count: 4;
    }
}

@media (min-width: 1440px) {
    .masonry-grid {
        column-count: 5;
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    text-align: center;
    top: 50%;
    transform: translateY(-50%);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.2s ease;
}

.close-btn:hover {
    color: #ccc;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.lightbox-filename {
    margin-top: 20px;
    font-size: 18px;
    color: #fff;
    text-align: center;
}

/* Admin Panel Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #000;
}

.login-form {
    background-color: #111;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-form h2 {
    margin-bottom: 30px;
    color: #fff;
}

.login-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    background-color: #222;
    color: #fff;
    font-size: 16px;
}

.login-form button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.login-form button:hover {
    background-color: #0056b3;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 14px;
}

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

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #333;
}

.admin-header h1 {
    color: #fff;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.welcome-text {
    color: #ccc;
    font-size: 14px;
}

.view-gallery-btn,
.logout-btn {
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}

.view-gallery-btn {
    background-color: #28a745;
    color: #fff;
    margin-right: 10px;
}

.logout-btn {
    background-color: #dc3545;
    color: #fff;
}

.view-gallery-btn:hover {
    background-color: #218838;
}

.logout-btn:hover {
    background-color: #c82333;
}

.message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.upload-section,
.management-section {
    background-color: #111;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.upload-section h2,
.management-section h2 {
    margin-bottom: 20px;
    color: #fff;
}

.upload-area {
    border: 2px dashed #444;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #007bff;
}

.upload-text p {
    color: #ccc;
    font-size: 18px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.admin-image-item {
    background-color: #222;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.admin-image-item:hover {
    transform: translateY(-5px);
}

.admin-image-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-info {
    padding: 15px;
}

.image-info p {
    margin-bottom: 8px;
    color: #ccc;
}

.image-actions {
    padding: 15px;
    display: flex;
    gap: 10px;
}

.rename-btn,
.delete-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 14px;
}

.rename-btn {
    background-color: #ffc107;
    color: #000;
}

.delete-btn {
    background-color: #dc3545;
    color: #fff;
}

.rename-btn:hover {
    background-color: #e0a800;
}

.delete-btn:hover {
    background-color: #c82333;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: #111;
    margin: 15% auto;
    padding: 30px;
    border-radius: 10px;
    width: 100%;
    max-width: 500px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: #fff;
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #fff;
}

.modal-content label {
    display: block;
    margin-bottom: 10px;
    color: #ccc;
}

.modal-content input {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    background-color: #222;
    color: #fff;
    font-size: 16px;
}

.modal-content button {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.modal-content button:hover {
    background-color: #0056b3;
}