/* style.css */
:root {
    --primary-color: #007bff;
    --secondary-color: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --card-bg: #ffffff;
    --text-color: #333;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    color: var(--text-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.dashboard-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 20px auto;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

/* Grid layout for different card sizes */
.metrics-card {
    grid-column: span 3; /* Full width for metrics */
}

.list-card {
    grid-column: span 3; /* Full width for the list */
}

.metrics-grid {
    display: flex;
    justify-content: space-around;
    margin-bottom: 15px;
}

.metric {
    text-align: center;
    padding: 10px 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    flex-grow: 1;
    margin: 0 5px;
}

.big-number {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
    margin: 5px 0 0;
}

/* Forms and Inputs */
form label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

form input, form button {
    width: 90%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

form button {
    background-color: var(--success-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

form button:hover {
    background-color: #1e7e34;
}

/* Tables */
#studentTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

#studentTable th, #studentTable td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

#studentTable th {
    background-color: #eee;
    color: var(--primary-color);
}