body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f9;
}

/* Login */
.login-body {
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: #fff;
    padding: 30px;
    width: 300px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.login-box h2 {
    text-align: center;
}

.login-box input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
}

.login-box button {
    width: 100%;
    padding: 10px;
    background: #007bff;
    border: none;
    color: #fff;
    cursor: pointer;
}

.error {
    color: red;
    text-align: center;
}

/* Topbar */
.topbar {
    background: #222;
    color: #fff;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu a {
    color: #fff;
    margin-left: 15px;
    text-decoration: none;
}

.menu .logout {
    color: #ff5252;
}

/* Container */
.container {
    padding: 20px;
}

/* Dashboard Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    border-radius: 5px;
}

.card h3 {
    margin: 0;
    color: #555;
}

.card p {
    font-size: 24px;
    margin-top: 10px;
    color: #007bff;
}

/* Footer */
.footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}