:root {
    --primary-color: #1e3a8a;
    --secondary-color: #f8fafc;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --light-text-color: #9ca3af;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

h1 {
    color: var(--primary-color);
}

.file-drop {
    border: 2px dashed var(--accent-color);
    border-radius: 10px;
    padding: 30px;
    margin: 20px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.file-drop:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.file-drop input[type="file"] {
    display: none;
}

.file-drop label {
    cursor: pointer;
    color: var(--accent-color);
    font-weight: bold;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #1e40af;
}

button:disabled {
    background-color: #93c5fd;
    cursor: not-allowed;
}

#downloadLink {
    display: inline-block;
    margin-top: 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

#downloadLink:hover {
    text-decoration: underline;
}

.preview img {
    max-width: 100%;
    border-radius: 5px;
    margin-top: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.status-message {
    margin: 20px 0;
    padding: 10px;
    border-radius: 5px;
}

.status-success {
    background-color: #d1fae5;
    color: #065f46;
}

.status-error {
    background-color: #fee2e2;
    color: #b91c1c;
}

.info-box {
    background-color: #eef2ff;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    text-align: left;
    color: var(--light-text-color);
}