body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Login Card */
.login-card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 350px;
    text-align: center;
    border-top: 5px solid #105b3f;
}
.login-card img {
    height: 80px;
    margin-bottom: 15px;
}
.login-card h2 {
    margin-top: 0;
    color: #333;
    margin-bottom: 30px;
}

/* Form Inputs */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
    font-size: 0.9em;
}
.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

/* Buttons & Alerts */
.login-btn {
    background-color: #105b3f;
    color: white;
    border: none;
    padding: 12px;
    width: 100%;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}
.login-btn:hover {
    background-color: #0c442f;
}
.error-box {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 0.9em;
    display: none;
}

/* Footer */
.footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}