:root {
    --primary-color: #F91A2D;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --card-bg: #fff;
    --border-color: #e0e0e0;
    --secondary-text: #666;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --hover-bg: #f1f3ff;
    --r-bg: #E1E1E2;
}

.dark-mode {
    --primary-color: #5d7dff;
    --text-color: #f0f0f0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --border-color: #333;
    --secondary-text: #aaa;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --hover-bg: #2a2a3a;
    --r-bg: #000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: "Montserrat Alternates", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .upload-container {
        padding: 30px 20px;
    }
    .comparison {
        flex-direction: column;
        gap: 20px;
    }
    .action-buttons {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
}