body {
    font-family: 'Arial', sans-serif;
    background-color: #282c34;
    color: #f5f5f5;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #3c4049;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    max-width: 1000px; /* Increased width for better visibility */
    width: 100%;
    transition: transform 0.3s;
}

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

h1 {
    text-align: center;
    color: #61dafb;
    margin-bottom: 25px;
    font-size: 2em;
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

input[type="file"] {
    border: 2px solid #61dafb;
    border-radius: 8px;
    padding: 12px;
    background-color: #444a54;
    color: #f5f5f5;
    cursor: pointer;
    transition: border-color 0.3s, background-color 0.3s;
}

input[type="file"]:hover {
    border-color: #21a1f1;
    background-color: #3b3f48;
}

input[type="submit"] {
    border: none;
    border-radius: 8px;
    padding: 15px;
    background-color: #61dafb;
    color: #282c34;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
}

input[type="submit"]:hover {
    background-color: #21a1f1;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.flash-messages {
    list-style-type: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.flash-messages li {
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid transparent;
    border-radius: 6px;
    color: #f5f5f5;
    transition: background-color 0.3s, border-color 0.3s;
}

.flash-messages li.success {
    background-color: #28a745;
    border-color: #218838;
}

.flash-messages li.info {
    background-color: #17a2b8;
    border-color: #138496;
}

.flash-messages li.warning {
    background-color: #ffc107;
    border-color: #e0a800;
    color: #212529;
}

flash-messages li.error {
    background-color: #dc3545;
    border-color: #c82333;
}

.window-container {
    display: flex;
    gap: 20px;
    margin-top: 25px;
}

.window {
    flex: 1;
    border: 2px solid #61dafb;
    padding: 15px;
    height: 400px;
    overflow-y: scroll;
    background-color: #444a54;
    border-radius: 8px;
    transition: border-color 0.3s, background-color 0.3s;
    max-width: 45%; /* Increased width for better visibility */
}

.window:hover {
    border-color: #21a1f1;
    background-color: #3b3f48;
}

.window:last-child {
    margin-right: 0;
}