body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

.video-gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.video {
    position: relative;
    flex: 0 1 450px;
    margin: 0.5rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.video:hover {
    transform: scale(1.02);
}

.video iframe {
    width: 100%;
    height: 253px;
    border-bottom: 1px solid #ddd;
}

.video h3 {
    margin: 0;
    padding: 0.5rem;
    font-size: 1.2rem;
    text-align: center;
    background: #f9f9f9;
}

.video-caption {
    margin: 0;
    padding: 0.5rem;
    font-size: 1.2rem;
    text-align: center;
    background: #f9f9f9;
}

.delete-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ff4d4d;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 5px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.delete-button:hover {
    background: #e60000;
}

.container {
    max-width: none;
    background: none;
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0;
}

.form-card {
    max-width: 800px;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 1rem;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.video-list {
    margin-top: 2rem;
}

.video-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.video-item iframe {
    flex: 1;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.video-item .video-details {
    flex: 1;
    margin-left: 1rem;
}

.video-item h3 {
    margin: 0 0 0.5rem;
}

.video-item button {
    background-color: #ff4d4d;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    padding: 0.5rem 1rem;
    margin-top: 0.5rem;
}

.video-item button:hover {
    background-color: #e60000;
}

.logout-button {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 0.5rem 1rem;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.logout-button:hover {
    background-color: #555;
}

.form-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
}

.form-card .form-group {
    margin-bottom: 1rem;
}

.form-card .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-card .form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.add-button {
    display: block;
    width: 100%;
    padding: 0.5rem;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

.add-button:hover {
    background-color: #45a049;
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f9f9f9;
}

.login-container form {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 300px;
    text-align: center;
}

.login-container input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.login-container button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

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

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;
}

.alert-danger {
    color: #a94442;
    background-color: #f2dede;
    border-color: #ebccd1;
}

.alert-info {
    color: #31708f;
    background-color: #d9edf7;
    border-color: #bce8f1;
}

.video-details p {
    font-size: 1rem;
    color: #555;
    margin: 0.5rem 0;
}

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    min-width: 250px;
    padding: 15px;
    border-radius: 5px;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1050;
    display: none;
}

.toast-success {
    background-color: #28a745;
}

.toast-danger {
    background-color: #dc3545;
}

.toast.show {
    display: block;
    animation: fadeInOut 5s;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(20px); }
    10%, 90% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(20px); }
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.modal-dialog {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    width: 400px;
    max-width: 90%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.3s ease-in-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.modal-title {
    font-size: 18px;
    font-weight: bold;
    margin: 0;
}

.modal-body {
    font-size: 16px;
    color: #555;
    margin-bottom: 15px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-footer .btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.modal-footer .btn-primary {
    background-color: #007bff;
    color: #fff;
}

.modal-footer .btn-primary:hover {
    background-color: #0056b3;
}

.modal-footer .btn-secondary {
    background-color: #6c757d;
    color: #fff;
}

.modal-footer .btn-secondary:hover {
    background-color: #5a6268;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 600px) {
    .video-gallery {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .video iframe {
        height: 200px;
    }

    .video h3 {
        font-size: 1rem;
        padding: 0.5rem;
    }

    .container {
        padding: 1rem;
    }

    .form-group input {
        font-size: 1rem;
        padding: 0.4rem;
    }

    .video-item {
        flex-direction: column;
        align-items: center;
    }

    .video-item iframe {
        width: 100%;
        height: 150px;
    }

    .video-item div {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .video-item h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .video-item button {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
        margin-top: 0.5rem;
    }
}

@media (min-width: 768px) {
    .video-list {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .video-item {
        flex: 0 1 calc(50% - 1rem); /* Two columns with spacing */
        display: flex;
        flex-direction: row;
        align-items: flex-start;
    }

    .video-item .video-details {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        margin-left: 1rem;
    }

    .video-item h3 {
        margin-bottom: auto;
    }

    .video-item button {
        align-self: flex-start;
        margin-top: 1rem;
    }
}