body {
    font-family: 'Segoe UI', sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: auto;
}

h1 {
    margin-bottom: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #757575;
    color: white;
}

td, th {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}

tr:hover {
    background: #f1f1f1;
}

input, select {
    padding: 8px;
    width: 100%;
    margin-top: 5px;
    margin-bottom: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    background: #2d89ef;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1b5fbf;
}

.nav {
    margin-bottom: 20px;
}

.nav a {
    text-decoration: none;
    margin-right: 10px;
    color: #2d89ef;
    font-weight: bold;
}

.badge {
    padding: 5px 10px;
    border-radius: 6px;
    color: white;
}

.gold { background: gold; color: black; }
.silver { background: silver; }
.bronze { background: #cd7f32; }