/* Global Styles */
:root {
    --primary-color: #4CAF50;
    --secondary-color: #555;
    --background-color: #f4f4f4;
    --card-background: #fff;
    --text-color: #333;
    --shadow-color: rgba(0,0,0,0.1);
}

/* Base Styles */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Layout */
main {
    flex: 1;
    padding: 20px;
    /* max-width: 1200px;
    margin: 0 auto; */
}

/* Buttons */
.button {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    border: none;
    font-size: 16px;
}

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

/* Cards */
.card {
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 2px 4px var(--shadow-color);
    padding: 20px;
    margin-bottom: 20px;
}

/* Forms */
.input-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.input-group label {
    margin-bottom: 5px;
    font-weight: bold;
}

.input-group input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    main {
        padding: 10px;
    }
    
    .card {
        margin-bottom: 15px;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}